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A Pilot Study of Effects of Exenatide on Body Weight in Non-Diabetic, Obese Patients

A Pilot Study of Effects of Exenatide on Body Weight in Non-Diabetic, Obese Patients

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00500370
Enrollment
163
Registered
2007-07-12
Start date
2007-06-30
Completion date
2008-02-29
Last updated
2015-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity

Keywords

exenatide, obesity, diabetes, Amylin, Lilly

Brief summary

This is a multicenter study designed to compare the effect of exenatide plus a lifestyle modification plan versus placebo plus a lifestyle modification plan on weight loss in non-diabetic, obese subjects.

Interventions

DRUGexenatide

subcutaneous injection (5mcg or 10mcg), twice a day

DRUGplacebo

subcutaneous injection (equivalent volume to active dose), twice a day

Sponsors

Eli Lilly and Company
CollaboratorINDUSTRY
AstraZeneca
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
TRIPLE (Subject, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Have a Body Mass Index (BMI) \>= 30kg/m\^2

Exclusion criteria

* Have ever participated in this study previously, or any other study using exenatide (AC2993/LY2148568) or GLP-1 analogs * Have participated in an interventional medical, surgical, or pharmaceutical study (a study in which an experimental, drug, medical, or surgical treatment was given) within 30 days of study start (this criterion includes drugs that have not received regulatory approval for any indication at the time of study entry) * Diagnosis of diabetes mellitus (other than gestational diabetes), or previous use of anti-diabetic medications for \> 3 months * Have had a change in prescribed lipid-lowering or blood pressure agents within 4 weeks of screening * Used drugs for weight loss (e.g., Xenical \[orlistat\], Meridia \[sibutramine\], Acutrim \[phenylpropanolamine\], Accomplia \[rimonabant\], Alli \[low-dose orlistat\], or other similar over-the-counter weight loss remedies or medications) within 3 months of screening * Are actively participating in, or have participated in a formal weight loss program within the last 3 months * Have a history of chronic use of drugs that directly affect gastrointestinal motility, including, but not limited to Reglan (metoclopramide) and chronic macrolide antibiotics * Have been treated with any anti-diabetic medications within 3 months of screening * Are receiving chronic (lasting longer than 2 weeks) systemic glucocorticoid therapy or have received such therapy within the 4 weeks immediately prior to study start * Have had bariatric surgery * Have had an organ transplant

Design outcomes

Primary

MeasureTime frameDescription
Change in Body Weight24 weeksChange in body weight from baseline after 24 weeks of treatment (i.e., body weight at week 24 minus body weight at week 0)

Secondary

MeasureTime frameDescription
Change in Body Mass Index (BMI)24 weeksChange in BMI from baseline after 24 weeks of treatment (i.e., BMI at week 24 minus BMI at week 0)
Change in Waist-to-hip Ratio24 weeksWaist-to-hip ratio at week 24 compared to waist-to-hip ratio at week 0 (i.e., waist-to-hip ratio at week 24 minus waist-to-hip ratio at week 0). Waist-to-hip ratio equals waist circumference at given time point divided by hip circumference at given timepoint.
Percentage of Patients Experiencing >=5% Weight Loss24 weeksPercentage of exenatide and placebo treated patients experiencing \>=5% weight loss after 24 weeks of treatment (i.e., \[weight at week 0 minus weight at week 24\] divided by weight at week 0 times 100% \>=5%)
Change in Total Cholesterol24 weeksChange in total cholesterol from baseline after 24 weeks of treatment (i.e., total cholesterol at week 24 minus total cholesterol at week 0)
Change in High Density Lipoprotein (HDL) Cholesterol24 weeksChange in HDL cholesterol from baseline after 24 weeks of treatment (i.e., HDL cholesterol at week 24 minus HDL cholesterol at week 0)
Ratio of Endpoint (LOCF) to Baseline for Fasting Triglycerides (Logarithmically Transformed)24 weeksRatio of triglycerides at week 24 compared to triglycerides at week 0 (i.e., triglycerides at week 24 divided by triglycerides at week 0)
Change in Low Density Lipoprotein (LDL) Cholesterol24 weeksChange in LDL cholesterol from baseline following 24 weeks of treatment (i.e., LDL cholesterol at week 24 minus LDL cholesterol at week 0)
Change in Glycosylated Hemoglobin (HbA1c)24 weeksChange in HbA1c from baseline following 24 weeks of treatment (i.e., HbA1c at week 24 minus HbA1c at week 0)
Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)24 weeksChange in serum glucose AUC following OGTT (week 24 compared to week 0) (i.e., serum glucose AUC at week 24 minus serum glucose AUC at week 0)
Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Beta Cell (HOMA-B) (Logarithmically Transformed)24 weeksRatio of HOMA-B at week 24 to HOMA-B at week 0 (i.e., HOMA-B at week 24 divided by HOMA-B at week 0). HOMA-B is a measure of beta cell function.
Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Insulin Sensitivity (HOMA-S) (Logarithmically Transformed)24 weeksRatio of HOMA-S at week 24 to HOMA-S at week 0 (i.e., HOMA-S at week 24 divided by HOMA-S at week 0). HOMA-S is a measure of insulin sensitivity.
Incidence of Patients That Demonstrate Overt Signs of Diabetes Mellitus Diagnosis24 weeksNumber of patients in each treatment group that demonstrate overt signs of diabetes mellitus diagnosis by week 24
Incidence of Patients That Demonstrate Normalization of Impaired Fasting Glucose (IFG) and/or Impaired Glucose Tolerance (IGT)24 weeksNumber of patients in each treatment group that demonstrate normalization of IFG and/or IGT by week 24
Change in High Sensitivity C-reactive Protein (hsCRP)24 weeksChange in hsCRP levels from baseline following 24 weeks of treatment (i.e., hsCRP at week 24 minus hsCRP at week 0)
Change in Fasting Serum Glucose24 weeksChange in fasting serum glucose from baseline following 24 weeks of treatment (i.e., fasting serum glucose at week 24 minus fasting serum glucose at week 0)

Countries

Puerto Rico, United States

Participant flow

Recruitment details

Subject recruitment occurred between July 2007 and August 2007 at medical clinics in the United States.

Pre-assignment details

Prior to randomization, subjects participated in a 1-week, single-blind placebo lead-in period.

Participants by arm

ArmCount
Group A (Exenatide)
exenatide 5mcg twice daily for 4 weeks plus lifestyle modification plan (LMP), followed by exenatide 10mcg twice daily for 20 weeks plus LMP
73
Group B (Placebo)
placebo (volume equivalent to exenatide injection) twice daily for 24 weeks plus LMP
79
Total152

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall StudyAdverse Event93
Overall StudyLost to Follow-up1010
Overall StudyProtocol Violation24
Overall StudySponsor Decision20
Overall StudySubject Decision1017

Baseline characteristics

CharacteristicGroup A (Exenatide)Group B (Placebo)Total
Age, Continuous47.01 years
STANDARD_DEVIATION 10.95
45.15 years
STANDARD_DEVIATION 12.74
46.04 years
STANDARD_DEVIATION 11.91
Sex: Female, Male
Female
58 Participants67 Participants125 Participants
Sex: Female, Male
Male
15 Participants12 Participants27 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
60 / 7353 / 79
serious
Total, serious adverse events
0 / 730 / 79

Outcome results

Primary

Change in Body Weight

Change in body weight from baseline after 24 weeks of treatment (i.e., body weight at week 24 minus body weight at week 0)

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Body WeightBaseline (Week 0)109.48 kgStandard Error 2.7
Group A (Exenatide)Change in Body WeightChange at Endpoint (Week 24)-5.06 kgStandard Error 0.49
Group B (Placebo)Change in Body WeightBaseline (Week 0)107.64 kgStandard Error 2.61
Group B (Placebo)Change in Body WeightChange at Endpoint (Week 24)-1.61 kgStandard Error 0.47
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: <0.0001Mixed Model Repeated Measures ANCOVA
Secondary

Change in Body Mass Index (BMI)

Change in BMI from baseline after 24 weeks of treatment (i.e., BMI at week 24 minus BMI at week 0)

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Body Mass Index (BMI)Change at Endpoint (Week 24)-1.83 kg/m^2Standard Error 0.18
Group A (Exenatide)Change in Body Mass Index (BMI)Baseline (Week 0)39.64 kg/m^2Standard Error 0.82
Group B (Placebo)Change in Body Mass Index (BMI)Change at Endpoint (Week 24)-0.58 kg/m^2Standard Error 0.17
Group B (Placebo)Change in Body Mass Index (BMI)Baseline (Week 0)39.39 kg/m^2Standard Error 0.79
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: <0.0001Mixed Model Repeated Measures ANCOVA
Secondary

Change in Fasting Serum Glucose

Change in fasting serum glucose from baseline following 24 weeks of treatment (i.e., fasting serum glucose at week 24 minus fasting serum glucose at week 0)

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Fasting Serum GlucoseBaseline (Week 0)5.37 mmol/LStandard Error 0.07
Group A (Exenatide)Change in Fasting Serum GlucoseChange at Endpoint (Week 24)0.000 mmol/LStandard Error 0.1
Group B (Placebo)Change in Fasting Serum GlucoseBaseline (Week 0)5.37 mmol/LStandard Error 0.07
Group B (Placebo)Change in Fasting Serum GlucoseChange at Endpoint (Week 24)-0.02 mmol/LStandard Error 0.1
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.8479Mixed Model Repeated Measures ANCOVA
Secondary

Change in Glycosylated Hemoglobin (HbA1c)

Change in HbA1c from baseline following 24 weeks of treatment (i.e., HbA1c at week 24 minus HbA1c at week 0)

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Glycosylated Hemoglobin (HbA1c)Change at Endpoint (Week 24)-0.003 percentStandard Error 0.04
Group A (Exenatide)Change in Glycosylated Hemoglobin (HbA1c)Baseline (Week 0)5.61 percentStandard Error 0.04
Group B (Placebo)Change in Glycosylated Hemoglobin (HbA1c)Change at Endpoint (Week 24)0.09 percentStandard Error 0.04
Group B (Placebo)Change in Glycosylated Hemoglobin (HbA1c)Baseline (Week 0)5.58 percentStandard Error 0.04
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.0293Mixed Model Repeated Measures ANCOVA
Secondary

Change in High Density Lipoprotein (HDL) Cholesterol

Change in HDL cholesterol from baseline after 24 weeks of treatment (i.e., HDL cholesterol at week 24 minus HDL cholesterol at week 0)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in High Density Lipoprotein (HDL) CholesterolChange at Endpoint (Week 24)0.004 mmol/LStandard Error 0.03
Group A (Exenatide)Change in High Density Lipoprotein (HDL) CholesterolBaseline (Week 0)1.27 mmol/LStandard Error 0.04
Group B (Placebo)Change in High Density Lipoprotein (HDL) CholesterolChange at Endpoint (Week 24)0.06 mmol/LStandard Error 0.03
Group B (Placebo)Change in High Density Lipoprotein (HDL) CholesterolBaseline (Week 0)1.36 mmol/LStandard Error 0.04
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.1204ANCOVA
Secondary

Change in High Sensitivity C-reactive Protein (hsCRP)

Change in hsCRP levels from baseline following 24 weeks of treatment (i.e., hsCRP at week 24 minus hsCRP at week 0)

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in High Sensitivity C-reactive Protein (hsCRP)Baseline (Week 0)8.61 pmol/LStandard Error 0.91
Group A (Exenatide)Change in High Sensitivity C-reactive Protein (hsCRP)Change at Endpoint (Week 24)-1.31 pmol/LStandard Error 0.85
Group B (Placebo)Change in High Sensitivity C-reactive Protein (hsCRP)Baseline (Week 0)8.03 pmol/LStandard Error 0.9
Group B (Placebo)Change in High Sensitivity C-reactive Protein (hsCRP)Change at Endpoint (Week 24)-0.44 pmol/LStandard Error 0.83
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.2919Mixed Model Repeated Measures ANCOVA
Secondary

Change in Low Density Lipoprotein (LDL) Cholesterol

Change in LDL cholesterol from baseline following 24 weeks of treatment (i.e., LDL cholesterol at week 24 minus LDL cholesterol at week 0)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Low Density Lipoprotein (LDL) CholesterolBaseline (Week 0)2.86 mmol/LStandard Error 0.1
Group A (Exenatide)Change in Low Density Lipoprotein (LDL) CholesterolChange at Endpoint (Week 24)0.20 mmol/LStandard Error 0.09
Group B (Placebo)Change in Low Density Lipoprotein (LDL) CholesterolBaseline (Week 0)2.79 mmol/LStandard Error 0.1
Group B (Placebo)Change in Low Density Lipoprotein (LDL) CholesterolChange at Endpoint (Week 24)0.34 mmol/LStandard Error 0.09
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.1204ANCOVA
Secondary

Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)

Change in serum glucose AUC following OGTT (week 24 compared to week 0) (i.e., serum glucose AUC at week 24 minus serum glucose AUC at week 0)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)Baseline (Week 0)15.73 (mmol*hr)/LStandard Error 0.42
Group A (Exenatide)Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)Change at Endpoint (Week 24)-0.47 (mmol*hr)/LStandard Error 0.37
Group B (Placebo)Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)Baseline (Week 0)15.19 (mmol*hr)/LStandard Error 0.42
Group B (Placebo)Change in Serum Glucose AUC Levels Following Oral Glucose Tolerance Test (OGTT)Change at Endpoint (Week 24)-0.01 (mmol*hr)/LStandard Error 0.37
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.2151ANCOVA
Secondary

Change in Total Cholesterol

Change in total cholesterol from baseline after 24 weeks of treatment (i.e., total cholesterol at week 24 minus total cholesterol at week 0)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Total CholesterolBaseline (Week 0)4.87 mmol/LStandard Error 0.11
Group A (Exenatide)Change in Total CholesterolChange at Endpoint (Week 24)0.19 mmol/LStandard Error 0.11
Group B (Placebo)Change in Total CholesterolBaseline (Week 0)4.88 mmol/LStandard Error 0.1
Group B (Placebo)Change in Total CholesterolChange at Endpoint (Week 24)0.33 mmol/LStandard Error 0.11
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.1808ANCOVA
Secondary

Change in Waist-to-hip Ratio

Waist-to-hip ratio at week 24 compared to waist-to-hip ratio at week 0 (i.e., waist-to-hip ratio at week 24 minus waist-to-hip ratio at week 0). Waist-to-hip ratio equals waist circumference at given time point divided by hip circumference at given timepoint.

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureGroupValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Change in Waist-to-hip RatioBaseline (Week 0)0.90 RatioStandard Error 0.01
Group A (Exenatide)Change in Waist-to-hip RatioChange at Endpoint (Week 24)-0.001 RatioStandard Error 0.01
Group B (Placebo)Change in Waist-to-hip RatioBaseline (Week 0)0.90 RatioStandard Error 0.01
Group B (Placebo)Change in Waist-to-hip RatioChange at Endpoint (Week 24)0.002 RatioStandard Error 0.01
Comparison: Analysis pertains to change at endpoint (Week 24)p-value: 0.6766Mixed Model Repeated Measures ANCOVA
Secondary

Incidence of Patients That Demonstrate Normalization of Impaired Fasting Glucose (IFG) and/or Impaired Glucose Tolerance (IGT)

Number of patients in each treatment group that demonstrate normalization of IFG and/or IGT by week 24

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureValue (NUMBER)
Group A (Exenatide)Incidence of Patients That Demonstrate Normalization of Impaired Fasting Glucose (IFG) and/or Impaired Glucose Tolerance (IGT)13 Participants
Group B (Placebo)Incidence of Patients That Demonstrate Normalization of Impaired Fasting Glucose (IFG) and/or Impaired Glucose Tolerance (IGT)9 Participants
p-value: 0.2593Cochran-Mantel-Haenszel
Secondary

Incidence of Patients That Demonstrate Overt Signs of Diabetes Mellitus Diagnosis

Number of patients in each treatment group that demonstrate overt signs of diabetes mellitus diagnosis by week 24

Time frame: 24 weeks

Population: Intent to Treat population

ArmMeasureValue (NUMBER)
Group A (Exenatide)Incidence of Patients That Demonstrate Overt Signs of Diabetes Mellitus Diagnosis3 Participants
Group B (Placebo)Incidence of Patients That Demonstrate Overt Signs of Diabetes Mellitus Diagnosis2 Participants
p-value: 0.6507Cochran-Mantel-Haenszel
Secondary

Percentage of Patients Experiencing >=5% Weight Loss

Percentage of exenatide and placebo treated patients experiencing \>=5% weight loss after 24 weeks of treatment (i.e., \[weight at week 0 minus weight at week 24\] divided by weight at week 0 times 100% \>=5%)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureValue (NUMBER)
Group A (Exenatide)Percentage of Patients Experiencing >=5% Weight Loss31.5 percentage of patients
Group B (Placebo)Percentage of Patients Experiencing >=5% Weight Loss16.5 percentage of patients
p-value: 0.0393Cochran-Mantel-Haenszel
Secondary

Ratio of Endpoint (LOCF) to Baseline for Fasting Triglycerides (Logarithmically Transformed)

Ratio of triglycerides at week 24 compared to triglycerides at week 0 (i.e., triglycerides at week 24 divided by triglycerides at week 0)

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Ratio of Endpoint (LOCF) to Baseline for Fasting Triglycerides (Logarithmically Transformed)0.99 RatioStandard Error 0.06
Group B (Placebo)Ratio of Endpoint (LOCF) to Baseline for Fasting Triglycerides (Logarithmically Transformed)0.96 RatioStandard Error 0.06
p-value: 0.6651ANCOVA
Secondary

Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Beta Cell (HOMA-B) (Logarithmically Transformed)

Ratio of HOMA-B at week 24 to HOMA-B at week 0 (i.e., HOMA-B at week 24 divided by HOMA-B at week 0). HOMA-B is a measure of beta cell function.

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Beta Cell (HOMA-B) (Logarithmically Transformed)1.06 RatioStandard Error 0.07
Group B (Placebo)Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Beta Cell (HOMA-B) (Logarithmically Transformed)1.08 RatioStandard Error 0.07
p-value: 0.7619ANCOVA
Secondary

Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Insulin Sensitivity (HOMA-S) (Logarithmically Transformed)

Ratio of HOMA-S at week 24 to HOMA-S at week 0 (i.e., HOMA-S at week 24 divided by HOMA-S at week 0). HOMA-S is a measure of insulin sensitivity.

Time frame: 24 weeks

Population: Intent to Treat population; Last Observation Carried Forward

ArmMeasureValue (LEAST_SQUARES_MEAN)Dispersion
Group A (Exenatide)Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Insulin Sensitivity (HOMA-S) (Logarithmically Transformed)0.92 RatioStandard Error 0.08
Group B (Placebo)Ratio of Endpoint (LOCF) to Baseline for Homeostatic Model Assessment-Insulin Sensitivity (HOMA-S) (Logarithmically Transformed)0.91 RatioStandard Error 0.08
p-value: 0.8973ANCOVA

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026