Trial Outcomes & Findings for Impact of Exenatide on Cardiovascular Exercise Performance in Type 2 Diabetes (NCT NCT01364584)

NCT ID: NCT01364584

Last Updated: 2023-07-12

Results Overview

Subjects' peak oxygen consumption (VO2 peak) will be tested on a stationary bike before and after 3 months of study medication or placebo.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

23 participants

Primary outcome timeframe

Baseline and 3 months

Results posted on

2023-07-12

Participant Flow

Participant milestones

Participant milestones
Measure
Exenatide
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Overall Study
STARTED
11
12
Overall Study
COMPLETED
11
12
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Impact of Exenatide on Cardiovascular Exercise Performance in Type 2 Diabetes

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Total
n=23 Participants
Total of all reporting groups
Age, Continuous
64 years
STANDARD_DEVIATION 7 • n=5 Participants
64 years
STANDARD_DEVIATION 1 • n=7 Participants
64 years
STANDARD_DEVIATION 4 • n=5 Participants
Sex: Female, Male
Female
4 Participants
n=5 Participants
7 Participants
n=7 Participants
11 Participants
n=5 Participants
Sex: Female, Male
Male
7 Participants
n=5 Participants
5 Participants
n=7 Participants
12 Participants
n=5 Participants
Region of Enrollment
United States
11 Participants
n=5 Participants
12 Participants
n=7 Participants
23 Participants
n=5 Participants
Body Mass (kg)
101.7 kilograms
STANDARD_DEVIATION 5.3 • n=5 Participants
87.9 kilograms
STANDARD_DEVIATION 3.3 • n=7 Participants
93.4 kilograms
STANDARD_DEVIATION 16.1 • n=5 Participants
Body Mass Index (kg/m2)
33.9 kilograms per meter squared
STANDARD_DEVIATION 1.0 • n=5 Participants
31.3 kilograms per meter squared
STANDARD_DEVIATION 1.2 • n=7 Participants
32.3 kilograms per meter squared
STANDARD_DEVIATION 3.9 • n=5 Participants
Body Fat (%)
37.7 percentage
STANDARD_DEVIATION 2.3 • n=5 Participants
35.7 percentage
STANDARD_DEVIATION 2.2 • n=7 Participants
36.7 percentage
STANDARD_DEVIATION 7.15 • n=5 Participants
Lean Mass (kg)
61.9 kilograms
STANDARD_DEVIATION 3.9 • n=5 Participants
55.8 kilograms
STANDARD_DEVIATION 2.8 • n=7 Participants
58.1 kilograms
STANDARD_DEVIATION 11.6 • n=5 Participants
Fasting Glucose (mg/dl)
170.5 milligrams per deciliter
STANDARD_DEVIATION 24.2 • n=5 Participants
127.9 milligrams per deciliter
STANDARD_DEVIATION 8.0 • n=7 Participants
147.6 milligrams per deciliter
STANDARD_DEVIATION 59.9 • n=5 Participants
Fasting Insulin (μU/ml)
29.0 microunits per milliliter
STANDARD_DEVIATION 3.7 • n=5 Participants
34.6 microunits per milliliter
STANDARD_DEVIATION 6.4 • n=7 Participants
31.0 microunits per milliliter
STANDARD_DEVIATION 15.1 • n=5 Participants
HbA1c (%)
7.3 percentage of glycated hemoglobin
STANDARD_DEVIATION 1.1 • n=5 Participants
7.2 percentage of glycated hemoglobin
STANDARD_DEVIATION 0.4 • n=7 Participants
7.2 percentage of glycated hemoglobin
STANDARD_DEVIATION 1.1 • n=5 Participants
Total Cholesterol (mg/dl)
156.3 milligrams per deciliter
STANDARD_DEVIATION 9.8 • n=5 Participants
175.3 milligrams per deciliter
STANDARD_DEVIATION 11.7 • n=7 Participants
165.2 milligrams per deciliter
STANDARD_DEVIATION 34.9 • n=5 Participants
LDL Cholesterol (mg/dl)
93.8 milligrams per deciliter
STANDARD_DEVIATION 6.2 • n=5 Participants
97.6 milligrams per deciliter
STANDARD_DEVIATION 7.4 • n=7 Participants
94.4 milligrams per deciliter
STANDARD_DEVIATION 22.1 • n=5 Participants
Triglycerides (mg/dl)
156.8 milligrams per deciliter
STANDARD_DEVIATION 18.3 • n=5 Participants
217.8 milligrams per deciliter
STANDARD_DEVIATION 58.0 • n=7 Participants
190.1 milligrams per deciliter
STANDARD_DEVIATION 136.9 • n=5 Participants
Glycerol (mg/dl)
1.21 milligrams per deciliter
STANDARD_DEVIATION 0.5 • n=5 Participants
1.14 milligrams per deciliter
STANDARD_DEVIATION 0.5 • n=7 Participants
1.16 milligrams per deciliter
STANDARD_DEVIATION 0.5 • n=5 Participants
Free Fatty Acids (mmol/L)
580.8 millimoles per liter
STANDARD_DEVIATION 76.3 • n=5 Participants
500.5 millimoles per liter
STANDARD_DEVIATION 67.8 • n=7 Participants
546.3 millimoles per liter
STANDARD_DEVIATION 228.2 • n=5 Participants
VO2peak (ml/kg/min)
17.5 milliliters per kilogram per minute
STANDARD_DEVIATION 1.0 • n=5 Participants
15.4 milliliters per kilogram per minute
STANDARD_DEVIATION 0.9 • n=7 Participants
16.4 milliliters per kilogram per minute
STANDARD_DEVIATION 3.1 • n=5 Participants
VO2peak (ml/min)
1783 milliliters per minute
STANDARD_DEVIATION 129 • n=5 Participants
1363 milliliters per minute
STANDARD_DEVIATION 95 • n=7 Participants
1554 milliliters per minute
STANDARD_DEVIATION 415 • n=5 Participants
VO2 kinetics tau (sec)
78.2 seconds
STANDARD_DEVIATION 6.8 • n=5 Participants
63.3 seconds
STANDARD_DEVIATION 5.9 • n=7 Participants
71.9 seconds
STANDARD_DEVIATION 19.1 • n=5 Participants
Circumferential Strain
-23.7 percentage difference in circumferences
STANDARD_DEVIATION 5.5 • n=5 Participants
-23.5 percentage difference in circumferences
STANDARD_DEVIATION 5.0 • n=7 Participants
-23.6 percentage difference in circumferences
STANDARD_DEVIATION 5.3 • n=5 Participants
Longitudinal Strain
-17.1 percentage difference in lengths
STANDARD_DEVIATION 3.9 • n=5 Participants
-19.3 percentage difference in lengths
STANDARD_DEVIATION 2.3 • n=7 Participants
-18.2 percentage difference in lengths
STANDARD_DEVIATION 3.4 • n=5 Participants
Stroke Volume (ml/beat)
79.2 milliliters per beat
STANDARD_DEVIATION 22.7 • n=5 Participants
82.5 milliliters per beat
STANDARD_DEVIATION 23.1 • n=7 Participants
81.5 milliliters per beat
STANDARD_DEVIATION 23.1 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline and 3 months

Subjects' peak oxygen consumption (VO2 peak) will be tested on a stationary bike before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Peak Oxygen Consumption (VO2 Peak)
16.6 milliliters per kilogram per minute
Standard Deviation 1.1
16.1 milliliters per kilogram per minute
Standard Deviation 1.1

SECONDARY outcome

Timeframe: Baseline and 3 months

Time to steady state oxygen consumption will be assessed in subject before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Oxygen Uptake Kinetics Steady State Tau
71.4 seconds
Standard Deviation 8.5
67.2 seconds
Standard Deviation 2.7

SECONDARY outcome

Timeframe: Baseline and 3 months

Population: Data unable to be collected on all participants, hence the difference between the overall number of participants analyzed here and the actual number of participants who completed the study

Pulse wave velocity will be measured via sphygmocor before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=6 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=7 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Change From Baseline in Arterial Stiffness
-1.23 meters/second
Standard Deviation 1.27
0.37 meters/second
Standard Deviation 0.89

SECONDARY outcome

Timeframe: Baseline and 3 months

Change in the response of the brachial artery to hyperemia will be assessed before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Change From Baseline in Peak Dilation of Brachial Artery Diameter
Pre-Intervention (Baseline)
0.193 millimeters
Standard Deviation 0.045
0.192 millimeters
Standard Deviation 0.046
Change From Baseline in Peak Dilation of Brachial Artery Diameter
Post-Intervention (3 months)
0.226 millimeters
Standard Deviation 0.057
0.151 millimeters
Standard Deviation 0.026

SECONDARY outcome

Timeframe: Baseline and 3 months

Population: Data not collected

Deoxygenated hemoglobin concentration will be measured using near-infrared spectroscopy during sub-maximal exercise before and after 3 months of study drug administration.

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Circumferential Strain
-25.6 % difference in circumferences
Standard Deviation 1.78
-22.6 % difference in circumferences
Standard Deviation 1.4

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Longitudinal Strain
-18.5 % difference in lengths
Standard Deviation 1.2
-18.3 % difference in lengths
Standard Deviation 0.8

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Stroke Volume
93.3 mL/beat
Standard Deviation 2.8
80.7 mL/beat
Standard Deviation 1.9

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Mitral Valve E Wave Velocity
0.61 centimeters/second
Standard Deviation 0.06
0.78 centimeters/second
Standard Deviation 0.06

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Mitral Valve E:A Wave Velocity
0.85 centimeters/second
Standard Deviation 0.09
0.82 centimeters/second
Standard Deviation 0.06

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Mitral Valve Deceleration Time
234.6 milliseconds
Standard Deviation 17.0
239.8 milliseconds
Standard Deviation 14.6

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Septal E'
0.08 centimeters/second
Standard Deviation 0.01
0.07 centimeters/second
Standard Deviation 0.01

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Septal E:E'
8.3 ratio
Standard Deviation 0.9
12.6 ratio
Standard Deviation 1.4

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Lateral E'
0.09 centimeters/second
Standard Deviation 0.01
0.09 centimeters/second
Standard Deviation 0.01

SECONDARY outcome

Timeframe: Baseline and 3 months

Potential change in cardiac function will be assessed by echocardiography before and after 3 months of study medication or placebo.

Outcome measures

Outcome measures
Measure
Exenatide
n=11 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 Participants
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Echocardiographic Measures - Lateral E:E'
6.7 ratio
Standard Deviation 0.6
8.4 ratio
Standard Deviation 1.2

Adverse Events

Exenatide

Serious events: 3 serious events
Other events: 0 other events
Deaths: 0 deaths

Placebo

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

Serious adverse events

Serious adverse events
Measure
Exenatide
n=11 participants at risk
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of exenatide for 2.5 months Exenatide: Subcutaneous injection 2.5 micrograms (mcg) to 10 mcg twice per day (BID)
Placebo
n=12 participants at risk
Pre-dosed injectable pen (an automatic device which injects under the skin) 10 mcg twice a day of placebo for 2.5 months Placebo: Subcutaneous injection 2.5 mcg-10 mcg BID
Renal and urinary disorders
Renal Neoplasm (Tumor on base of kidney)
9.1%
1/11
0.00%
0/12
Blood and lymphatic system disorders
Eosinophil count increased
9.1%
1/11
0.00%
0/12
Renal and urinary disorders
Bladder Papilloma
9.1%
1/11
0.00%
0/12

Other adverse events

Adverse event data not reported

Additional Information

Judith G Regensteiner, PhD

University of Colorado School of Medicine

Phone: 303-724-2247

Results disclosure agreements

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