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Safety and Efficacy of Exenatide Once Weekly Versus Liraglutide in Subjects With Type 2 Diabetes

This study has been completed.
Sponsor:
ClinicalTrials.gov Identifier:
NCT01029886
First Posted: December 10, 2009
Last Update Posted: April 9, 2015
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
Collaborator:
Eli Lilly and Company
Information provided by (Responsible Party):
AstraZeneca
Results First Submitted: February 14, 2012  
Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: None (Open Label);   Primary Purpose: Treatment
Condition: Type 2 Diabetes Mellitus
Interventions: Drug: exenatide once weekly
Drug: liraglutide

  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
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Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
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Reporting Groups
  Description
Exenatide Once Weekly Subcutaneous injection, 2mg, once weekly
Liraglutide Once Daily Subcutaneous injection, forced titration to 1.8mg, once daily

Participant Flow:   Overall Study
    Exenatide Once Weekly   Liraglutide Once Daily
STARTED   461   451 
Intent to Treat (ITT)   461   450 
COMPLETED   400   391 
NOT COMPLETED   61   60 
Adverse Event                12                25 
Lost to Follow-up                1                0 
Physician Decision                2                6 
Protocol Violation                17                5 
Withdrawal by Subject                8                18 
Entry Criteria Not Met                13                5 
Sponsor Decision                1                0 
Loss Glucose Control                7                1 



  Baseline Characteristics
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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.
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Reporting Groups
  Description
Exenatide Once Weekly Subcutaneous injection, 2mg, once weekly
Liraglutide Once Daily Subcutaneous injection, forced titration to 1.8mg, once daily
Total Total of all reporting groups

Baseline Measures
   Exenatide Once Weekly   Liraglutide Once Daily   Total 
Overall Participants Analyzed 
[Units: Participants]
 461   450   911 
Age 
[Units: Participants]
     
<=18 years   0   0   0 
Between 18 and 65 years   386   360   746 
>=65 years   75   90   165 
Age 
[Units: Years]
Mean (Standard Deviation)
 56.6  (9.43)   56.7  (9.59)   56.6  (9.51) 
Gender 
[Units: Participants]
     
Female   207   205   412 
Male   254   245   499 
Glycosylated hemoglobin (HbA1c) 
[Units: Percentage of total hemoglobin]
Mean (Standard Deviation)
 8.45  (1.014)   8.43  (0.996)   8.44  (1.004) 
Weight 
[Units: Kg]
Mean (Standard Deviation)
 90.88  (19.472)   91.13  (19.118)   91.00  (19.288) 
Background Oral Antidiabetic Agent (OAD) 
[Units: Participants]
     
Metformin (MET)   150   136   286 
Sulfonylurea (SU)   18   18   36 
Pioglitazone (PIO)   1   0   1 
MET+SU   275   277   552 
MET+PIO   16   18   34 
MET+SU+PIO   1   1   2 


  Outcome Measures
  Show All Outcome Measures

1.  Primary:   Change in HbA1c From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

2.  Secondary:   Percentage of Patients Achieving HbA1c <7.0% at Week 26   [ Time Frame: Baseline, Week 26 ]

3.  Secondary:   Change in Fasting Serum Glucose From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

4.  Secondary:   Change in Body Weight From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

5.  Secondary:   Change in Total Cholesterol From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

6.  Secondary:   Change in High-Density Lipoprotein Cholesterol (HDL-C) From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]
  Hide Outcome Measure 6

Measure Type Secondary
Measure Title Change in High-Density Lipoprotein Cholesterol (HDL-C) From Baseline to Week 26
Measure Description Change in HDL-C from baseline to the treatment endpoint at Week 26.
Time Frame Baseline, Week 26  

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.
ITT Population. All observed data from all scheduled visits (including early termination visits) were included in the MMRM analysis. Data collected at the early termination visits were mapped into the following scheduled visits.

Reporting Groups
  Description
Exenatide Once Weekly Subcutaneous injection, 2mg, once weekly
Liraglutide Once Daily Subcutaneous injection, forced titration to 1.8mg, once daily

Measured Values
   Exenatide Once Weekly   Liraglutide Once Daily 
Participants Analyzed 
[Units: Participants]
 402   386 
Change in High-Density Lipoprotein Cholesterol (HDL-C) From Baseline to Week 26 
[Units: mmol/L]
Least Squares Mean (Standard Error)
 0.02  (0.01)   0.02  (0.01) 


Statistical Analysis 1 for Change in High-Density Lipoprotein Cholesterol (HDL-C) From Baseline to Week 26
Groups [1] All groups
Statistical Test Type [2] Superiority or Other
Statistical Method [3] Mixed Models Analysis
P Value [4] 0.832
Least Squares Mean Difference [5] 0.00
95% Confidence Interval -0.02 to 0.02
Standard Error of the mean (0.01)
[1] Additional details about the analysis, such as null hypothesis and power calculation:
  MMRM model includes treatment, baseline HDL-C, HbA1c stratum, country, background OAD, week of visit, and treatment-by-week interaction as fixed effects and subject and error as random effects.
[2] Details of power calculation, definition of non-inferiority margin, and other key parameters:
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[3] Other relevant method information, such as adjustments or degrees of freedom:
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[4] Additional information, such as whether or not the p-value is adjusted for multiple comparisons and the a priori threshold for statistical significance:
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[5] Other relevant estimation information:
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7.  Secondary:   Ratio of Fasting Triglycerides at Week 26 to Baseline   [ Time Frame: Baseline, Week 26 ]

8.  Secondary:   Change in Systolic Blood Pressure (SBP) From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

9.  Secondary:   Change in Diastolic Blood Pressure (DBP) From Baseline to Week 26   [ Time Frame: Baseline, Week 26 ]

10.  Secondary:   Assessment of Event Rate of Treatment-emergent Hypoglycemic Events   [ Time Frame: Baseline to Week 26 ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats
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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
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  More Information
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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 Other disclosure agreement that restricts the right of the PI to discuss or publish trial results after the trial is completed.


Results Point of Contact:  
Name/Title: Peter Ohman, Medical Science Director
Organization: AstraZeneca
e-mail: ClinicalTrialTransparency@astrazeneca.com


Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):

Responsible Party: AstraZeneca
ClinicalTrials.gov Identifier: NCT01029886     History of Changes
Other Study ID Numbers: H8O-MC-GWDE
First Submitted: December 8, 2009
First Posted: December 10, 2009
Results First Submitted: February 14, 2012
Results First Posted: March 21, 2012
Last Update Posted: April 9, 2015