Trial Outcomes & Findings for Efficacy and Safety of Exenatide Once Weekly Suspension in Subjects With Type 2 Diabetes (NCT NCT01652716)

NCT ID: NCT01652716

Last Updated: 2018-07-03

Results Overview

The primary objective of this study was to compare the effect on glycemic control (HbA1c) of exenatide suspension administered once weekly to that achieved by exenatide administered twice daily for 28 weeks in subjects with type 2 diabetes mellitus.

Recruitment status

COMPLETED

Study phase

PHASE3

Target enrollment

377 participants

Primary outcome timeframe

Baseline to Week 28

Results posted on

2018-07-03

Participant Flow

Subjects were randomized across two treatment groups (exenatide once weekly and exenatide twice daily) in a ratio of 3:2 with randomization stratified by diabetes management method at screening, screening haemoglobin A1c (HbA1c) stratum and renal function.

Participant milestones

Participant milestones
Measure
Experimental: Exenatide Once Weekly (QWS) Suspension
Exenatide suspension 2 mg weekly subcutaneous injection for 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide Twice Daily (BID)
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Overall Study
STARTED
229
148
Overall Study
Completed 28-week
197
118
Overall Study
COMPLETED
173
102
Overall Study
NOT COMPLETED
56
46

Reasons for withdrawal

Reasons for withdrawal
Measure
Experimental: Exenatide Once Weekly (QWS) Suspension
Exenatide suspension 2 mg weekly subcutaneous injection for 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide Twice Daily (BID)
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Overall Study
Loss of glucose control
1
0
Overall Study
Administrative
0
2
Overall Study
Investigator decision
1
4
Overall Study
Lost to Follow-up
12
11
Overall Study
Protocol Violation
2
1
Overall Study
Adverse Event
7
10
Overall Study
Withdrawal by Subject
33
18

Baseline Characteristics

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

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Experimental: Exenatide QWS Suspension
n=229 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Total
n=375 Participants
Total of all reporting groups
Age, Continuous
55.6 Years
STANDARD_DEVIATION 9.98 • n=5 Participants
56.5 Years
STANDARD_DEVIATION 9.04 • n=7 Participants
56.0 Years
STANDARD_DEVIATION 9.62 • n=5 Participants
Age, Customized
<65 years
182 Participants
n=5 Participants
118 Participants
n=7 Participants
300 Participants
n=5 Participants
Age, Customized
>=65 years
47 Participants
n=5 Participants
28 Participants
n=7 Participants
75 Participants
n=5 Participants
Sex: Female, Male
Female
81 Participants
n=5 Participants
54 Participants
n=7 Participants
135 Participants
n=5 Participants
Sex: Female, Male
Male
148 Participants
n=5 Participants
92 Participants
n=7 Participants
240 Participants
n=5 Participants
Race/Ethnicity, Customized
Hispanic or Latino
54 Participants
n=5 Participants
34 Participants
n=7 Participants
88 Participants
n=5 Participants
Race/Ethnicity, Customized
Not Hispanic or Latino
174 Participants
n=5 Participants
112 Participants
n=7 Participants
286 Participants
n=5 Participants
Race/Ethnicity, Customized
Unknown
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race/Ethnicity, Customized
White
168 Participants
n=5 Participants
110 Participants
n=7 Participants
278 Participants
n=5 Participants
Race/Ethnicity, Customized
Black or African American
38 Participants
n=5 Participants
23 Participants
n=7 Participants
61 Participants
n=5 Participants
Race/Ethnicity, Customized
Asian
17 Participants
n=5 Participants
8 Participants
n=7 Participants
25 Participants
n=5 Participants
Race/Ethnicity, Customized
Other
3 Participants
n=5 Participants
2 Participants
n=7 Participants
5 Participants
n=5 Participants
Race/Ethnicity, Customized
American Indian or Alaska Native
2 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
Race/Ethnicity, Customized
Native Hawaiian or Other Pacific Islander
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Weight
214.52 lbs
STANDARD_DEVIATION 49.788 • n=5 Participants
213.19 lbs
STANDARD_DEVIATION 40.834 • n=7 Participants
214.00 lbs
STANDARD_DEVIATION 46.445 • n=5 Participants
Baseline HbA1c
8.47 Percentage of total hemoglobin
STANDARD_DEVIATION 1.047 • n=5 Participants
8.51 Percentage of total hemoglobin
STANDARD_DEVIATION 1.004 • n=7 Participants
8.48 Percentage of total hemoglobin
STANDARD_DEVIATION 1.029 • n=5 Participants
HbA1c Stratum
<9.0%
159 Number of subjects
n=5 Participants
97 Number of subjects
n=7 Participants
256 Number of subjects
n=5 Participants
HbA1c Stratum
>=9.0%
68 Number of subjects
n=5 Participants
49 Number of subjects
n=7 Participants
117 Number of subjects
n=5 Participants
HbA1c Stratum
Not Recorded
2 Number of subjects
n=5 Participants
0 Number of subjects
n=7 Participants
2 Number of subjects
n=5 Participants
Fasting plasma glucose
180.92 mg/dL
STANDARD_DEVIATION 44.538 • n=5 Participants
183.77 mg/dL
STANDARD_DEVIATION 46.904 • n=7 Participants
182.03 mg/dL
STANDARD_DEVIATION 45.437 • n=5 Participants
Duration of diabetes
8.55 Years
STANDARD_DEVIATION 6.249 • n=5 Participants
8.47 Years
STANDARD_DEVIATION 5.961 • n=7 Participants
8.52 Years
STANDARD_DEVIATION 6.132 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline to Week 28

Population: Modified Intent-to-Treat: Subjects who were randomized and received at least one dose of study drug

The primary objective of this study was to compare the effect on glycemic control (HbA1c) of exenatide suspension administered once weekly to that achieved by exenatide administered twice daily for 28 weeks in subjects with type 2 diabetes mellitus.

Outcome measures

Outcome measures
Measure
Experimental: Exenatide QWS Suspension
n=229 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Change in HbA1c (Glycosylated Hemoglobin) From Baseline to Week 28
-1.39 Percentage of total hemoglobin
Standard Error 0.0930
-1.02 Percentage of total hemoglobin
Standard Error 0.1147

SECONDARY outcome

Timeframe: Baseline to Week 28

Population: Modified Intent-to-Treat: Subjects who were randomized and received at least one dose of study drug.

Percentage of subjects achieving HbA1c \<7% at Week 28/Study Termination

Outcome measures

Outcome measures
Measure
Experimental: Exenatide QWS Suspension
n=229 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Percentage of Subjects Achieving HbA1c <7% at Week 28
Baseline Yes
3.9 Percentage of subjects
1.4 Percentage of subjects
Percentage of Subjects Achieving HbA1c <7% at Week 28
Baseline No
95.2 Percentage of subjects
98.6 Percentage of subjects
Percentage of Subjects Achieving HbA1c <7% at Week 28
Week 28 Yes
49.3 Percentage of subjects
43.2 Percentage of subjects
Percentage of Subjects Achieving HbA1c <7% at Week 28
Week 28 No
49.8 Percentage of subjects
56.8 Percentage of subjects
Percentage of Subjects Achieving HbA1c <7% at Week 28
Baseline missing
0.9 Percentage of subjects
0 Percentage of subjects

SECONDARY outcome

Timeframe: Baseline to Week 28

Population: Modified Intent-to-Treat: Subjects who were randomized and received at least one dose of study drug.

Change in fasting plasma glucose concentrations from baseline to Week 28/Study Termination

Outcome measures

Outcome measures
Measure
Experimental: Exenatide QWS Suspension
n=229 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Change in Fasting Plasma Glucose Concentrations From Baseline to Week 28
-32.7 mg/dL
Standard Error 3.906
-22.5 mg/dL
Standard Error 4.917

SECONDARY outcome

Timeframe: Baseline to Week 28

Population: Modified Intent-to-Treat: Subjects who were randomized and received at least one dose of study drug.

Change in body weight (kg) from baseline to Week 28/Study Termination.

Outcome measures

Outcome measures
Measure
Experimental: Exenatide QWS Suspension
n=229 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Change in Body Weight (kg) From Baseline to Week 28
-1.49 kg
Standard Error 0.2842
-1.89 kg
Standard Error 0.3640

SECONDARY outcome

Timeframe: Baseline to Week 16

Population: Meal Test Evaluable Subjects: Subjects who were randomized and received at least one dose of study drug and who participated in the meal test at Visit 3 and Visit 13, had adequate and reliable data for the postprandial data evaluation, and had adequate study medication exposure.

Change in 2-hour postprandial glucose concentrations from baseline to Week 16.

Outcome measures

Outcome measures
Measure
Experimental: Exenatide QWS Suspension
n=37 Participants
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=31 Participants
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Change in 2-hour Postprandial Glucose Concentrations From Baseline to Week 16
-87.00 mg/dL
Standard Error 12.8374
-113.74 mg/dL
Standard Error 14.8042

Adverse Events

Experimental: Exenatide QWS Suspension

Serious events: 12 serious events
Other events: 121 other events
Deaths: 0 deaths

Active Comparator: Exenatide BID

Serious events: 17 serious events
Other events: 94 other events
Deaths: 0 deaths

Serious adverse events

Serious adverse events
Measure
Experimental: Exenatide QWS Suspension
n=229 participants at risk
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 participants at risk
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
Infections and infestations
Localised Infection
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Infections and infestations
Salmonellosis
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Infections and infestations
Cellulitis
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Infections and infestations
Septic Shock
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Cardiac disorders
Myocardial Infarction
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Gastrointestinal disorders
Pancreatitis
0.87%
2/229 • Number of events 2 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Gastrointestinal disorders
Diverticular Perforation
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Nervous system disorders
Syncope
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Nervous system disorders
Toxic Encephalopathy
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Skin and subcutaneous tissue disorders
Hidradentis
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
General disorders
Drug Withdrawal Syndrome
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Metabolism and nutrition disorders
Lactic Acidosis
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Basal Cell Carcinoma
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Uterine Leiomyoma
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Renal and urinary disorders
Renal Failure Acute
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Respiratory, thoracic and mediastinal disorders
Acute Pulmonary Oedema
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Gastrointestinal disorders
Umbilical Hernia
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Gastrointestinal disorders
Ascites
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Infections and infestations
Infectious Colitis
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Cardiac disorders
Acute Myocardial Infarction
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Cardiac disorders
Atrial Fibrillation
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Injury, poisoning and procedural complications
Lower Limb Fracture
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Musculoskeletal and connective tissue disorders
Osteoarthritis
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Malignant Melanoma
0.44%
1/229 • Number of events 1 • up to 52 week data reported
0.00%
0/146 • up to 52 week data reported
Neoplasms benign, malignant and unspecified (incl cysts and polyps)
Hepatocellular Carcinoma
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Nervous system disorders
Carotid Artery Stenosis
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
General disorders
Chest Pain
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported
Respiratory, thoracic and mediastinal disorders
Dyspnoea
0.00%
0/229 • up to 52 week data reported
0.68%
1/146 • Number of events 1 • up to 52 week data reported

Other adverse events

Other adverse events
Measure
Experimental: Exenatide QWS Suspension
n=229 participants at risk
Exenatide suspension 2 mg weekly subcutaneous injection 52 weeks (28 weeks plus an additional 24 weeks)
Active Comparator: Exenatide BID
n=146 participants at risk
Exenatide 5 mcg BID for 4 weeks followed by 10 mcg BID for 24 weeks followed by a switch to Exenatide QWS 2mg for at least 24 weeks
General disorders
Injection Site Nodule
15.7%
36/229 • Number of events 37 • up to 52 week data reported
4.1%
6/146 • Number of events 6 • up to 52 week data reported
Gastrointestinal disorders
Nausea
9.6%
22/229 • Number of events 30 • up to 52 week data reported
22.6%
33/146 • Number of events 38 • up to 52 week data reported
Nervous system disorders
Headache
6.1%
14/229 • Number of events 16 • up to 52 week data reported
6.2%
9/146 • Number of events 10 • up to 52 week data reported
Infections and infestations
Upper Respiratory Tract Infection
6.6%
15/229 • Number of events 16 • up to 52 week data reported
5.5%
8/146 • Number of events 9 • up to 52 week data reported
Gastrointestinal disorders
Diarrhoea
6.1%
14/229 • Number of events 23 • up to 52 week data reported
12.3%
18/146 • Number of events 24 • up to 52 week data reported
Gastrointestinal disorders
Vomiting
3.9%
9/229 • Number of events 11 • up to 52 week data reported
7.5%
11/146 • Number of events 11 • up to 52 week data reported
Infections and infestations
Nasopharyngitis
4.8%
11/229 • Number of events 13 • up to 52 week data reported
6.2%
9/146 • Number of events 11 • up to 52 week data reported

Additional Information

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place

Restriction type: LTE60