Combivent Respimat 1-year Safety Study in Patients With Chronic Obstructive Pulmonary Disease

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
Boehringer Ingelheim Pharmaceuticals
ClinicalTrials.gov Identifier:
NCT01019694
First received: November 16, 2009
Last updated: February 13, 2013
Last verified: February 2013
Results First Received: April 5, 2012  
Study Type: Interventional
Study Design: Allocation: Randomized;   Endpoint Classification: Safety Study;   Intervention Model: Parallel Assignment;   Masking: Open Label;   Primary Purpose: Treatment
Condition: Pulmonary Disease, Chronic Obstructive
Interventions: Drug: Combivent CFC-MDI
Drug: Combivent Respimat 20/100 mcg
Drug: Atrovent HFA 42 mcg + Albuterol HFA 200 mcg

  Participant Flow
  Hide Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
No text entered.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
No text entered.

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Participant Flow:   Overall Study
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
STARTED     157 [1]   156 [1]   157 [1]
COMPLETED     133     118     110  
NOT COMPLETED     24     38     47  
Adverse Event                 12                 16                 19  
Protocol Violation                 2                 6                 4  
Lost to Follow-up                 5                 3                 3  
Withdrawal by Subject                 4                 6                 12  
Not treated                 0                 2                 3  
Other reason (not specified)                 1                 5                 6  
[1] 2 pats. in Comb. Inh. Aero. and 3 pats. in Atro+Alb not treated and excluded from the Treated Set



  Baseline Characteristics
  Hide Baseline Characteristics

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid
Total Total of all reporting groups

Baseline Measures
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols     Total  
Number of Participants  
[units: participants]
  157     154     154     465  
Age  
[units: years]
Mean ± Standard Deviation
  63.0  ± 8.2     62.6  ± 8.9     63.0  ± 9.3     62.9  ± 8.8  
Age, Customized  
[units: participants]
       
>= 40 to < 65 years     90     91     82     263  
>= 65 to < 75 years     51     47     58     156  
>= 75 years     16     16     14     46  
Gender  
[units: participants]
       
Female     65     70     57     192  
Male     92     84     97     273  
Race/Ethnicity, Customized  
[units: participants]
       
American Indian or Alaskan Native     0     0     1     1  
Black / African American     9     11     9     29  
White     148     143     144     435  
Height  
[units: centimeters]
Mean ± Standard Deviation
  170.6  ± 9.6     170.6  ± 10.4     171.1  ± 10.4     170.8  ± 10.1  
Smoking History  
[units: participants]
       
Ex-smoker     83     61     79     223  
Currently smokes     74     93     75     242  
Smoking History (pack years)  
[units: pack years]
Mean ± Standard Deviation
  53.6  ± 24.5     53.6  ± 29.7     55.6  ± 25.4     54.3  ± 26.6  
Chronic Obstructive Pulmonary Disease (COPD) Duration  
[units: years]
Mean ± Standard Deviation
  8.1  ± 6.7     7.3  ± 6.1     7.5  ± 5.8     7.6  ± 6.2  



  Outcome Measures
  Hide All Outcome Measures

1.  Primary:   Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48   [ Time Frame: 48 weeks ]

Measure Type Primary
Measure Title Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Measure Description Patient acceptability was assessed with the Performance Domain score from the PASAPQ. The score is a mean of 7 items on a scale from 0 (very dissatisfied) to 100 (very satisfied).
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  134     125     110  
Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  87.9  ± 1.27     78.3  ± 1.31     81.7  ± 1.37  


Statistical Analysis 1 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 9.6
95% Confidence Interval ( 6.02 to 13.19 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0009
Mean Difference (Final Values) [4] 6.2
95% Confidence Interval ( 2.57 to 9.91 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



2.  Secondary:   Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3   [ Time Frame: 3 weeks ]

Measure Type Secondary
Measure Title Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Measure Description Patient acceptability was assessed with the Performance Domain score from the PASAPQ. The score is a mean of 7 items on a scale from 0 (very dissatisfied) to 100 (very satisfied).
Time Frame 3 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     152     153  
Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  84.7  ± 1.07     79.4  ± 1.09     77.3  ± 1.08  


Statistical Analysis 1 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0006
Mean Difference (Final Values) [4] 5.3
95% Confidence Interval ( 2.29 to 8.28 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 7.4
95% Confidence Interval ( 4.41 to 10.39 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



3.  Secondary:   Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12   [ Time Frame: 12 weeks ]

Measure Type Secondary
Measure Title Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Measure Description Patient acceptability was assessed with the Performance Domain score from the PASAPQ. The score is a mean of 7 items on a scale from 0 (very dissatisfied) to 100 (very satisfied).
Time Frame 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  149     148     146  
Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  85.9  ± 1.14     78.0  ± 1.15     76.3  ± 1.16  


Statistical Analysis 1 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 7.9
95% Confidence Interval ( 4.71 to 11.09 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 9.6
95% Confidence Interval ( 6.44 to 12.83 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



4.  Secondary:   Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24   [ Time Frame: 24 weeks ]

Measure Type Secondary
Measure Title Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Measure Description Patient acceptability was assessed with the Performance Domain score from the PASAPQ. The score is a mean of 7 items on a scale from 0 (very dissatisfied) to 100 (very satisfied).
Time Frame 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  142     142     130  
Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  86.6  ± 1.15     77.5  ± 1.16     78.9  ± 1.19  


Statistical Analysis 1 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 9.2
95% Confidence Interval ( 5.94 to 12.37 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 7.7
95% Confidence Interval ( 4.44 to 10.96 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



5.  Secondary:   Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36   [ Time Frame: 36 weeks ]

Measure Type Secondary
Measure Title Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Measure Description Patient acceptability was assessed with the Performance Domain score from the PASAPQ. The score is a mean of 7 items on a scale from 0 (very dissatisfied) to 100 (very satisfied).
Time Frame 36 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  136     132     119  
Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  88.2  ± 1.22     76.9  ± 1.24     80.5  ± 1.29  


Statistical Analysis 1 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 11.3
95% Confidence Interval ( 7.90 to 14.76 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Performance Domain Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 7.7
95% Confidence Interval ( 4.23 to 11.23 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



6.  Secondary:   Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3   [ Time Frame: 3 weeks ]

Measure Type Secondary
Measure Title Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Measure Description Patient satisfaction was assessed by asking: "Overall, how satisfied are you with your inhaler?". Responses were made on a scale from 1 (very dissatisfied) to 7 (very satisfied).
Time Frame 3 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     152     153  
Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  6.2  ± 0.08     6.1  ± 0.08     5.9  ± 0.08  


Statistical Analysis 1 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.1167
Mean Difference (Final Values) [4] 0.2
95% Confidence Interval ( -0.05 to 0.42 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 3
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0026
Mean Difference (Final Values) [4] 0.4
95% Confidence Interval ( 0.13 to 0.59 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



7.  Secondary:   Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12   [ Time Frame: 12 weeks ]

Measure Type Secondary
Measure Title Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Measure Description Patient satisfaction was assessed by asking: "Overall, how satisfied are you with your inhaler?". Responses were made on a scale from 1 (very dissatisfied) to 7 (very satisfied).
Time Frame 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  149     149     146  
Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  6.2  ± 0.09     6.0  ± 0.09     5.8  ± 0.09  


Statistical Analysis 1 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.2826
Mean Difference (Final Values) [4] 0.1
95% Confidence Interval ( -0.11 to 0.38 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0013
Mean Difference (Final Values) [4] 0.4
95% Confidence Interval ( 0.16 to 0.66 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



8.  Secondary:   Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24   [ Time Frame: 24 weeks ]

Measure Type Secondary
Measure Title Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Measure Description Patient satisfaction was assessed by asking: "Overall, how satisfied are you with your inhaler?". Responses were made on a scale from 1 (very dissatisfied) to 7 (very satisfied).
Time Frame 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  142     142     130  
Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  6.3  ± 0.08     6.0  ± 0.08     5.8  ± 0.09  


Statistical Analysis 1 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0023
Mean Difference (Final Values) [4] 0.4
95% Confidence Interval ( 0.13 to 0.59 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] < 0.0001
Mean Difference (Final Values) [4] 0.5
95% Confidence Interval ( 0.25 to 0.71 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



9.  Secondary:   Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36   [ Time Frame: 36 weeks ]

Measure Type Secondary
Measure Title Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Measure Description Patient satisfaction was assessed by asking: "Overall, how satisfied are you with your inhaler?". Responses were made on a scale from 1 (very dissatisfied) to 7 (very satisfied).
Time Frame 36 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  136     132     119  
Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  6.4  ± 0.08     6.0  ± 0.09     5.9  ± 0.09  


Statistical Analysis 1 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0006
Mean Difference (Final Values) [4] 0.4
95% Confidence Interval ( 0.18 to 0.65 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 36
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0004
Mean Difference (Final Values) [4] 0.4
95% Confidence Interval ( 0.20 to 0.68 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



10.  Secondary:   Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Measure Description Patient satisfaction was assessed by asking: "Overall, how satisfied are you with your inhaler?". Responses were made on a scale from 1 (very dissatisfied) to 7 (very satisfied).
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  134     125     110  
Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  6.3  ± 0.09     6.1  ± 0.09     6.0  ± 0.09  


Statistical Analysis 1 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0673
Mean Difference (Final Values) [4] 0.2
95% Confidence Interval ( -0.02 to 0.47 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Overall Satisfaction Score From the Patient Satisfaction and Preference Questionnaire (PASAPQ) at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0245
Mean Difference (Final Values) [4] 0.3
95% Confidence Interval ( 0.04 to 0.54 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



11.  Secondary:   Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 3   [ Time Frame: 3 weeks ]

Measure Type Secondary
Measure Title Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 3
Measure Description CCQ symptom domain score assessed patient feelings or limitations due to their COPD on a scale from 0 (not limited) to 6 (totally limited).
Time Frame 3 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     152     153  
Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 3  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  2.7  ± 0.07     2.7  ± 0.07     2.8  ± 0.07  


Statistical Analysis 1 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 3
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.5695
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.24 to 0.13 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 3
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3093
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.28 to 0.09 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



12.  Secondary:   Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 12   [ Time Frame: 12 weeks ]

Measure Type Secondary
Measure Title Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 12
Measure Description CCQ symptom domain score assessed patient feelings or limitations due to their COPD on a scale from 0 (not limited) to 6 (totally limited).
Time Frame 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  150     149     146  
Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 12  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  2.8  ± 0.08     2.9  ± 0.08     2.8  ± 0.08  


Statistical Analysis 1 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.3578
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.31 to 0.11 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.7433
Mean Difference (Final Values) [4] 0.0
95% Confidence Interval ( -0.18 to 0.25 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



13.  Secondary:   Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 24   [ Time Frame: 24 weeks ]

Measure Type Secondary
Measure Title Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 24
Measure Description CCQ symptom domain score assessed patient feelings or limitations due to their COPD on a scale from 0 (not limited) to 6 (totally limited).
Time Frame 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  142     142     130  
Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 24  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  2.7  ± 0.08     2.8  ± 0.08     2.8  ± 0.08  


Statistical Analysis 1 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.524
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.29 to 0.15 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3171
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.34 to 0.11 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



14.  Secondary:   Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 36   [ Time Frame: 36 weeks ]

Measure Type Secondary
Measure Title Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 36
Measure Description CCQ symptom domain score assessed patient feelings or limitations due to their COPD on a scale from 0 (not limited) to 6 (totally limited).
Time Frame 36 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  136     132     119  
Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 36  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  2.7  ± 0.09     2.8  ± 0.09     2.7  ± 0.09  


Statistical Analysis 1 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 36
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.2499
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.38 to 0.10 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 36
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6144
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.31 to 0.18 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



15.  Secondary:   Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 48   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 48
Measure Description CCQ symptom domain score assessed patient feelings or limitations due to their COPD on a scale from 0 (not limited) to 6 (totally limited).
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  134     125     110  
Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 48  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  2.8  ± 0.09     2.7  ± 0.09     2.9  ± 0.09  


Statistical Analysis 1 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.5142
Mean Difference (Final Values) [4] 0.1
95% Confidence Interval ( -0.16 to 0.33 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Clinical COPD Questionnaire (CCQ) Symptom Domain Score at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.2691
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.39 to 0.11 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



16.  Secondary:   Physician's Global Evaluation at Week 3   [ Time Frame: 3 weeks ]

Measure Type Secondary
Measure Title Physician's Global Evaluation at Week 3
Measure Description Physicians evaluated the patient's overall clinical condition on a scale ranging from "poor" (score 1 or 2) to "excellent" (score 7 or 8).
Time Frame 3 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     152     152  
Physician's Global Evaluation at Week 3  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  5.0  ± 0.07     5.1  ± 0.07     5.1  ± 0.07  


Statistical Analysis 1 for Physician's Global Evaluation at Week 3
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.6236
Mean Difference (Final Values) [4] 0.0
95% Confidence Interval ( -0.23 to 0.14 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Physician's Global Evaluation at Week 3
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3342
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.28 to 0.09 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



17.  Secondary:   Physician's Global Evaluation at Week 12   [ Time Frame: 12 weeks ]

Measure Type Secondary
Measure Title Physician's Global Evaluation at Week 12
Measure Description Physicians evaluated the patient's overall clinical condition on a scale ranging from "poor" (score 1 or 2) to "excellent" (score 7 or 8).
Time Frame 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  150     148     146  
Physician's Global Evaluation at Week 12  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  5.1  ± 0.08     5.2  ± 0.08     5.0  ± 0.08  


Statistical Analysis 1 for Physician's Global Evaluation at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.1884
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.36 to 0.07 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Physician's Global Evaluation at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6978
Mean Difference (Final Values) [4] 0.0
95% Confidence Interval ( -0.17 to 0.26 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



18.  Secondary:   Physician's Global Evaluation at Week 24   [ Time Frame: 24 weeks ]

Measure Type Secondary
Measure Title Physician's Global Evaluation at Week 24
Measure Description Physicians evaluated the patient's overall clinical condition on a scale ranging from "poor" (score 1 or 2) to "excellent" (score 7 or 8).
Time Frame 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  142     142     130  
Physician's Global Evaluation at Week 24  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  5.1  ± 0.08     5.2  ± 0.08     5.2  ± 0.08  


Statistical Analysis 1 for Physician's Global Evaluation at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.4197
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.32 to 0.13 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Physician's Global Evaluation at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3949
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.33 to 0.13 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



19.  Secondary:   Physician's Global Evaluation at Week 36   [ Time Frame: 36 weeks ]

Measure Type Secondary
Measure Title Physician's Global Evaluation at Week 36
Measure Description Physicians evaluated the patient's overall clinical condition on a scale ranging from "poor" (score 1 or 2) to "excellent" (score 7 or 8).
Time Frame 36 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  136     132     118  
Physician's Global Evaluation at Week 36  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  5.1  ± 0.09     5.2  ± 0.09     5.2  ± 0.09  


Statistical Analysis 1 for Physician's Global Evaluation at Week 36
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.299
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.38 to 0.12 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Physician's Global Evaluation at Week 36
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.1404
Mean Difference (Final Values) [4] -0.2
95% Confidence Interval ( -0.44 to 0.06 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



20.  Secondary:   Physician's Global Evaluation at Week 48   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Physician's Global Evaluation at Week 48
Measure Description Physicians evaluated the patient's overall clinical condition on a scale ranging from "poor" (score 1 or 2) to "excellent" (score 7 or 8).
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  133     125     108  
Physician's Global Evaluation at Week 48  
[units: unit on a scale]
Least Squares Mean ± Standard Error
  5.2  ± 0.09     5.3  ± 0.09     5.1  ± 0.10  


Statistical Analysis 1 for Physician's Global Evaluation at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.463
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.36 to 0.16 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Physician's Global Evaluation at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3824
Mean Difference (Final Values) [4] 0.1
95% Confidence Interval ( -0.15 to 0.38 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



21.  Secondary:   Change From Baseline in FEV1 at Day 1   [ Time Frame: baseline, day 1 ]

Measure Type Secondary
Measure Title Change From Baseline in FEV1 at Day 1
Measure Description Change from test-day baseline in Forced Expiratory Volume in 1 second (FEV1) at 1 hour post dose on test day 1.
Time Frame baseline, day 1  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     154     154  
Change From Baseline in FEV1 at Day 1  
[units: liters]
Least Squares Mean ± Standard Error
  0.22  ± 0.15     0.21  ± 0.15     0.21  ± 0.15  


Statistical Analysis 1 for Change From Baseline in FEV1 at Day 1
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.8282
Mean Difference (Final Values) [4] 0.0
95% Confidence Interval ( -0.036 to 0.045 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FEV1 at Day 1
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6587
Mean Difference (Final Values) [4] 0.01
95% Confidence Interval ( -0.032 to 0.050 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



22.  Secondary:   Change From Baseline in FEV1 at Week 12   [ Time Frame: baseline, 12 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FEV1 at Week 12
Measure Description Change from test-day baseline in Forced Expiratory Volume in 1 second (FEV1) at 1 hour post dose at Week 12
Time Frame baseline, 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  145     144     136  
Change From Baseline in FEV1 at Week 12  
[units: liters]
Least Squares Mean ± Standard Error
  0.23  ± 0.16     0.19  ± 0.16     0.20  ± 0.17  


Statistical Analysis 1 for Change From Baseline in FEV1 at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.1185
Mean Difference (Final Values) [4] 0.04
95% Confidence Interval ( -0.009 to 0.081 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FEV1 at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.2651
Mean Difference (Final Values) [4] 0.03
95% Confidence Interval ( -0.020 to 0.072 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



23.  Secondary:   Change From Baseline in FEV1 at Week 24   [ Time Frame: baseline, 24 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FEV1 at Week 24
Measure Description Change from test-day baseline in Forced Expiratory Volume in 1 second (FEV1) at 1 hour post dose at Week 24
Time Frame baseline, 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  138     134     124  
Change From Baseline in FEV1 at Week 24  
[units: liters]
Least Squares Mean ± Standard Error
  0.20  ± 0.16     0.21  ± 0.16     0.21  ± 0.17  


Statistical Analysis 1 for Change From Baseline in FEV1 at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.5852
Mean Difference (Final Values) [4] -0.01
95% Confidence Interval ( -0.058 to 0.033 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FEV1 at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.7242
Mean Difference (Final Values) [4] -0.01
95% Confidence Interval ( -0.054 to 0.038 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



24.  Secondary:   Change From Baseline in FEV1 at Week 48   [ Time Frame: baseline, 48 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FEV1 at Week 48
Measure Description Change from test-day baseline in Forced Expiratory Volume in 1 second (FEV1) at 1 hour post dose at Week 48
Time Frame baseline, 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  133     121     108  
Change From Baseline in FEV1 at Week 48  
[units: liters]
Least Squares Mean ± Standard Error
  0.22  ± 0.19     0.16  ± 0.19     0.23  ± 0.20  


Statistical Analysis 1 for Change From Baseline in FEV1 at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0328
Mean Difference (Final Values) [4] 0.06
95% Confidence Interval ( 0.005 to 0.110 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  No text entered.
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FEV1 at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.8896
Mean Difference (Final Values) [4] -0.00
95% Confidence Interval ( -0.058 to 0.050 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



25.  Secondary:   Change From Baseline in FVC at Day 1   [ Time Frame: baseline, day 1 ]

Measure Type Secondary
Measure Title Change From Baseline in FVC at Day 1
Measure Description Change from test-day baseline in Forced Vital Capacity (FVC) at 1 hour post dose on test day 1.
Time Frame baseline, day 1  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     154     154  
Change From Baseline in FVC at Day 1  
[units: liters]
Least Squares Mean ± Standard Error
  0.37  ± 0.26     0.34  ± 0.27     0.36  ± 0.27  


Statistical Analysis 1 for Change From Baseline in FVC at Day 1
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.402
Mean Difference (Final Values) [4] 0.03
95% Confidence Interval ( -0.042 to 0.105 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FVC at Day 1
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.659
Mean Difference (Final Values) [4] 0.02
95% Confidence Interval ( -0.057 to 0.090 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



26.  Secondary:   Change From Baseline in FVC at Week 12   [ Time Frame: baseline, 12 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FVC at Week 12
Measure Description Change from test-day baseline in Forced Vital Capacity (FVC) at 1 hour post dose at Week 12
Time Frame baseline, 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  145     144     136  
Change From Baseline in FVC at Week 12  
[units: liters]
Least Squares Mean ± Standard Error
  0.38  ± 0.27     0.31  ± 0.27     0.35  ± 0.27  


Statistical Analysis 1 for Change From Baseline in FVC at Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.0893
Mean Difference (Final Values) [4] 0.06
95% Confidence Interval ( -0.010 to 0.139 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FVC at Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.5424
Mean Difference (Final Values) [4] 0.02
95% Confidence Interval ( -0.052 to 0.099 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



27.  Secondary:   Change From Baseline in FVC at Week 24   [ Time Frame: baseline, 24 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FVC at Week 24
Measure Description Change from test-day baseline in Forced Vital Capacity (FVC) at 1 hour post dose at Week 24
Time Frame baseline, 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  138     134     124  
Change From Baseline in FVC at Week 24  
[units: liters]
Least Squares Mean ± Standard Error
  0.33  ± 0.30     0.35  ± 0.30     0.35  ± 0.31  


Statistical Analysis 1 for Change From Baseline in FVC at Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.6396
Mean Difference (Final Values) [4] -0.02
95% Confidence Interval ( -0.104 to 0.064 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FVC at Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6455
Mean Difference (Final Values) [4] -0.02
95% Confidence Interval ( -0.106 to 0.066 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



28.  Secondary:   Change From Baseline in FVC at Week 48   [ Time Frame: baseline, 48 weeks ]

Measure Type Secondary
Measure Title Change From Baseline in FVC at Week 48
Measure Description Change from test-day baseline in Forced Vital Capacity (FVC) at 1 hour post dose at Week 48
Time Frame baseline, 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  133     121     108  
Change From Baseline in FVC at Week 48  
[units: liters]
Least Squares Mean ± Standard Error
  0.35  ± 0.32     0.30  ± 0.33     0.37  ± 0.34  


Statistical Analysis 1 for Change From Baseline in FVC at Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.2596
Mean Difference (Final Values) [4] 0.05
95% Confidence Interval ( -0.038 to 0.141 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Change From Baseline in FVC at Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6659
Mean Difference (Final Values) [4] -0.02
95% Confidence Interval ( -0.112 to 0.071 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



29.  Secondary:   Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 3   [ Time Frame: 3 weeks ]

Measure Type Secondary
Measure Title Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 3
Measure Description No text entered.
Time Frame 3 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     151     152  
Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 3  
[units: number of puffs]
Least Squares Mean ± Standard Error
  1.7  ± 0.10     1.8  ± 0.11     1.7  ± 0.11  


Statistical Analysis 1 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 3
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.476
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.40 to 0.19 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 3
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.6976
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.35 to 0.23 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



30.  Secondary:   Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 12   [ Time Frame: 12 weeks ]

Measure Type Secondary
Measure Title Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 12
Measure Description No text entered.
Time Frame 12 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  147     149     145  
Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 12  
[units: number of puffs]
Least Squares Mean ± Standard Error
  1.9  ± 0.14     1.9  ± 0.14     1.7  ± 0.14  


Statistical Analysis 1 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 12
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.9506
Mean Difference (Final Values) [4] -0.0
95% Confidence Interval ( -0.40 to 0.37 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 12
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.2362
Mean Difference (Final Values) [4] 0.2
95% Confidence Interval ( -0.15 to 0.62 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



31.  Secondary:   Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 24   [ Time Frame: 24 weeks ]

Measure Type Secondary
Measure Title Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 24
Measure Description No text entered.
Time Frame 24 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  142     143     129  
Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 24  
[units: number of puffs]
Least Squares Mean ± Standard Error
  2.1  ± 0.15     2.0  ± 0.15     1.6  ± 0.16  


Statistical Analysis 1 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 24
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.5645
Mean Difference (Final Values) [4] 0.1
95% Confidence Interval ( -0.30 to 0.54 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 24
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.0163
Mean Difference (Final Values) [4] 0.5
95% Confidence Interval ( 0.10 to 0.95 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



32.  Secondary:   Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 36   [ Time Frame: 36 weeks ]

Measure Type Secondary
Measure Title Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 36
Measure Description No text entered.
Time Frame 36 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  136     131     116  
Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 36  
[units: number of puffs]
Least Squares Mean ± Standard Error
  1.9  ± 0.15     2.1  ± 0.15     1.8  ± 0.16  


Statistical Analysis 1 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 36
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.4339
Mean Difference (Final Values) [4] -0.2
95% Confidence Interval ( -0.60 to 0.26 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 36
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.4886
Mean Difference (Final Values) [4] 0.2
95% Confidence Interval ( -0.28 to 0.59 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



33.  Secondary:   Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 48   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 48
Measure Description No text entered.
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  133     122     110  
Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 48  
[units: number of puffs]
Least Squares Mean ± Standard Error
  2.0  ± 0.16     2.1  ± 0.16     1.8  ± 0.16  


Statistical Analysis 1 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 48
Groups [1] Combivent Respimat vs. Combivent Inhalation Aerosol
Method [2] Mixed Models Analysis
P Value [3] 0.7637
Mean Difference (Final Values) [4] -0.1
95% Confidence Interval ( -0.50 to 0.37 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Combivent Inhalation Aerosol
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.

Statistical Analysis 2 for Mean Number of Puffs of Daily Rescue Medication Use in Two Weeks Prior to Week 48
Groups [1] Combivent Respimat vs. Atrovent + Albuterol Aerosols
Method [2] Mixed Models Analysis
P Value [3] 0.3755
Mean Difference (Final Values) [4] 0.2
95% Confidence Interval ( -0.24 to 0.65 )
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  Comparison of Combivent Respimat versus Atrovent + Albuterol Aerosols
[2] Other relevant information, such as adjustments or degrees of freedom:
  Adjusted for baseline and baseline-by-test-day interaction
[3] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
  No text entered.
[4] Other relevant estimation information:
  No text entered.



34.  Secondary:   Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations
Measure Description No text entered.
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     154     154  
Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations  
[units: participants]
     
None     118     113     110  
1 exacerbation     27     32     37  
2 exacerbations     7     9     5  
3 exacerbations     3     0     2  
4 exacerbations     1     0     0  
5 or more exacerbations     1     0     0  

No statistical analysis provided for Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations



35.  Secondary:   Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations Leading to Hospitalization   [ Time Frame: 48 weeks ]

Measure Type Secondary
Measure Title Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations Leading to Hospitalization
Measure Description No text entered.
Time Frame 48 weeks  
Safety Issue No  

Population Description
Explanation of how the number of participants for analysis was determined. Includes whether analysis was per protocol, intention to treat, or another method. Also provides relevant details such as imputation technique, as appropriate.
Treated Set is defined as all patients who were randomized and received study drug

Reporting Groups
  Description
Combivent Respimat ipratropium/albuterol 20/100 micrograms (mcg) 4 per day (qid)
Combivent Inhalation Aerosol ipratropium bromide and albuterol sulfate 36/206 mcg qid
Atrovent + Albuterol Aerosols ipratropium bromide 34 mcg, albuterol sulfate 180 mcg qid

Measured Values
    Combivent Respimat     Combivent Inhalation Aerosol     Atrovent + Albuterol Aerosols  
Number of Participants Analyzed  
[units: participants]
  157     154     154  
Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations Leading to Hospitalization  
[units: participants]
     
None     147     148     146  
1 exacerbation     9     6     8  
2 exacerbations     0     0     0  
3 or more exacerbations     1     0     0  

No statistical analysis provided for Number of Patients Having Chronic Obstructive Pulmonary Disease (COPD) Exacerbations Leading to Hospitalization




  Serious Adverse Events


  Other Adverse Events


  More Information
  Hide More Information

Certain Agreements:  
Principal Investigators are NOT employed by the organization sponsoring the study.
There IS an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
The agreement is:
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is less than or equal to 60 days. The sponsor cannot require changes to the communication and cannot extend the embargo.
unchecked The only disclosure restriction on the PI is that the sponsor can review results communications prior to public release and can embargo communications regarding trial results for a period that is more than 60 days but less than or equal to 180 days. The sponsor cannot require changes to the communication and cannot extend the embargo.


Limitations and Caveats
Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
No text entered.  


Results Point of Contact:  
Name/Title: Boehringer Ingelheim Call Center
Organization: Boehringer Ingelheim Pharmaceuticals
phone: 1-800-243-0127
e-mail: clintriage.rdg@boehringer-ingelheim.com


No publications provided


Responsible Party: Boehringer Ingelheim Pharmaceuticals
ClinicalTrials.gov Identifier: NCT01019694     History of Changes
Other Study ID Numbers: 1012.62
Study First Received: November 16, 2009
Results First Received: April 5, 2012
Last Updated: February 13, 2013
Health Authority: United States: Food and Drug Administration