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Study of MK0476 in Adult Patients With Acute Asthma
This study has been completed.
Study NCT00442338   Information provided by Merck
First Received: February 27, 2007   Last Updated: November 6, 2009   History of Changes
Study Type: Interventional
Study Design: Randomized, Open Label, Active Control, Parallel Assignment
Condition: Asthma
Interventions: Drug: montelukast
Drug: Comparator: Aminophylline

  Participant Flow
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Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Phase III. Studied period: March 12, 2007 (date study drug was first administered to first patient) to August 1, 2007 (date study drug was last administered to last patient). Study was conducted at 31 clinical sites.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
Patients with acute exacerbation of bronchial asthma received standard treatments of inhaled β-agonist or oxygen inhalation to treat the acute exacerbations during the 60 minutes in the screening period before the study randomization.

Reporting Groups
  Description
Montelukast 7 mg Montelukast 7 mg Intravenous Administration
Montelukast 14 mg Montelukast 14 mg Intravenous Administration
Aminophylline 250 mg No text entered.

Participant Flow:   Overall Study
  Montelukast 7 mg Montelukast 14 mg Aminophylline 250 mg
STARTED   30     30     31  
COMPLETED   30     30     31  
NOT COMPLETED   0     0     0  



  Baseline Characteristics
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Reporting Groups
  Description
Montelukast 7 mg Montelukast 7 mg Intravenous Administration
Montelukast 14 mg Montelukast 14 mg Intravenous Administration
Aminophylline 250 mg No text entered.

Baseline Measures
  Montelukast 7 mg Montelukast 14 mg Aminophylline 250 mg Total
Number of Participants  
[units: participants]
30 30 31 91
Age  
[units: years]
Mean ± Standard Deviation
56.0 ± 12.3 56.7 ± 15.2 55.4 ± 14.5 56.0 ± 13.9
Gender  
[units: participants]
       
Female 22 24 16 62
Male 8 6 15 29
Asthma Attack Severity based on Asthma Prevention and Management Guideline 2003, Japan[1]
[units: participants]
       
Mild 21 18 26 65
Moderate 9 12 5 26
Severe 0 0 0 0
Serious 0 0 0 0
Baseline Forced Expiratory Volume in One Second (FEV1)  
[units: Liter]
Mean ± Standard Deviation
1.4 ± 0.3 1.2 ± 0.3 1.4 ± 0.5 1.3 ± 0.4
Duration of Asthma  
[units: Years]
Mean ± Standard Deviation
14.9 ± 10.4 13.9 ± 11.5 16.7 ± 14.1 15.2 ± 12.0
[1] Mild (Peak Expiratory Flow: 70%-80%), Moderate (Peak Expiratory Flow: 50%-70%), Severe (Peak Expiratory Flow: <=50%) or Serious (Peak Expiratory Flow: incapable measurement, cyanosis, head trip, disturbed consciousness, incontinence or asphyxia)



  Outcome Measures

1.  Primary:   Improvement in Forced Expiratory Volume in One Second (FEV1) Within the First 60 Minutes After Administration   [ 60 minutes after drug administration ]


  Serious Adverse Events
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  Other Adverse Events
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Time Frame No text entered.
Additional Description No text entered.

Frequency Threshold
Threshold above which other adverse events are reported   5%  

Reporting Groups
  Description
Montelukast 7 mg Montelukast 7 mg Intravenous Administration
Montelukast 14 mg Montelukast 14 mg Intravenous Administration
Aminophylline 250 mg No text entered.

Other Adverse Events
  Montelukast 7 mg Montelukast 14 mg Aminophylline 250 mg
Total, other (not including serious) adverse events      
# participants affected 5   1   3  
Gastrointestinal disorders      
Diarrhea   *
      # participants affected / at risk

2/30 (6.67%)  

0/30 (0.00%)  

0/31 (0.00%)  
General disorders      
Oedema   *
      # participants affected / at risk

2/30 (6.67%)  

0/30 (0.00%)  

0/31 (0.00%)  
Investigations      
Glucose urine present   *
      # participants affected / at risk

2/30 (6.67%)  

1/30 (3.33%)  

1/31 (3.23%)  
White blood cell count increased   *
      # participants affected / at risk

0/30 (0.00%)  

0/30 (0.00%)  

2/31 (6.45%)  
* Indicates events were collected by non-systematic assessment.


  More Information
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Certain Agreements:  
All Principal Investigators ARE employed by the organization sponsoring the study.


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: Executive Vice President, Clinical and Quantitative Sciences
Organization: Merck & Co., Inc.
phone: 1-800-672-6372


No publications provided


Responsible Party: Merck & Co., Inc. ( Executive Vice President, Clinical and Quantitative Sciences )
Study ID Numbers: 2007_007, MK0476-334
Study First Received: February 27, 2007
Results First Received: May 22, 2009
Last Updated: November 6, 2009
ClinicalTrials.gov Identifier: NCT00442338     History of Changes
Health Authority: Japan: Pharmaceuticals and Medical Devices Agency