Trial Outcomes & Findings for Modulation of Human Myocardial Metabolism by GLP-1 Dose Response (NCT NCT01607450)

NCT ID: NCT01607450

Last Updated: 2016-02-17

Results Overview

Myocardial glucose uptake measured using 18FDG PET, quantified using a 3-compartment model with a lumped constant of 1.0.

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

33 participants

Primary outcome timeframe

After 12 hours of glucagon-like peptide 1 (GLP-1) exposure

Results posted on

2016-02-17

Participant Flow

Participant milestones

Participant milestones
Measure
Lean Placebo
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Mid-Range Dose
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Mid-Range Dose
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Overall Study
STARTED
6
8
7
11
1
0
0
Overall Study
COMPLETED
6
8
7
11
1
0
0
Overall Study
NOT COMPLETED
0
0
0
0
0
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Modulation of Human Myocardial Metabolism by GLP-1 Dose Response

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 0.5 Pmol/kg/Min
n=11 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 0.5 Pmol/kg/Min
n=1 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 4.0 Pmol/kg/Min
GLP-1 High Dose:4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 4.0 Pmol/kg/Min
GLP-1 High Dose:4.0 pmol/kg/min for 12 hours prior to PET study
Total
n=33 Participants
Total of all reporting groups
Age, Continuous
35.5 years
STANDARD_DEVIATION 10.6 • n=5 Participants
38.0 years
STANDARD_DEVIATION 6.0 • n=7 Participants
42 years
STANDARD_DEVIATION 0 • n=5 Participants
46.0 years
STANDARD_DEVIATION 5.8 • n=4 Participants
45.1 years
STANDARD_DEVIATION 7.9 • n=21 Participants
42.7 years
STANDARD_DEVIATION 7.9 • n=24 Participants
Gender
Female
5 participants
n=5 Participants
3 participants
n=7 Participants
0 participants
n=5 Participants
3 participants
n=4 Participants
1 participants
n=21 Participants
12 participants
n=24 Participants
Gender
Male
1 participants
n=5 Participants
8 participants
n=7 Participants
1 participants
n=5 Participants
5 participants
n=4 Participants
6 participants
n=21 Participants
21 participants
n=24 Participants
Region of Enrollment
United States
6 participants
n=5 Participants
11 participants
n=7 Participants
1 participants
n=5 Participants
8 participants
n=4 Participants
7 participants
n=21 Participants
33 participants
n=24 Participants
Body Mass Index (kg/m2)
23.9 kg/m^2
STANDARD_DEVIATION 1.6 • n=5 Participants
23.0 kg/m^2
STANDARD_DEVIATION 1.5 • n=7 Participants
31.0 kg/m^2
STANDARD_DEVIATION 0 • n=5 Participants
22.9 kg/m^2
STANDARD_DEVIATION 1.8 • n=4 Participants
30.3 kg/m^2
STANDARD_DEVIATION 1.7 • n=21 Participants
25.7 kg/m^2
STANDARD_DEVIATION 1.7 • n=24 Participants
HbA1c (%)
5.47 %
STANDARD_DEVIATION 0.40 • n=5 Participants
5.47 %
STANDARD_DEVIATION 0.40 • n=7 Participants
7.0 %
STANDARD_DEVIATION 0 • n=5 Participants
5.56 %
STANDARD_DEVIATION 0.34 • n=4 Participants
8.40 %
STANDARD_DEVIATION 3.02 • n=21 Participants
6.48 %
STANDARD_DEVIATION 1.24 • n=24 Participants

PRIMARY outcome

Timeframe: After 12 hours of glucagon-like peptide 1 (GLP-1) exposure

Myocardial glucose uptake measured using 18FDG PET, quantified using a 3-compartment model with a lumped constant of 1.0.

Outcome measures

Outcome measures
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Low Dose
n=11 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
n=1 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Myocardial Glucose Uptake.
7.46 umol/min/100g
Standard Deviation 8.49
7.22 umol/min/100g
Standard Deviation 9.26
0.05 umol/min/100g
Standard Deviation 0
20.89 umol/min/100g
Standard Deviation 12.47
5.57 umol/min/100g
Standard Deviation 19.39

SECONDARY outcome

Timeframe: After 12 hours of GLP-1 exposure

Myocardial perfusion derived from acetate kinetics

Outcome measures

Outcome measures
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Low Dose
n=11 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
n=1 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Myocardial Blood Flow
34.66 ml/min/100g
Standard Deviation 4.60
44.44 ml/min/100g
Standard Deviation 9.17
47.61 ml/min/100g
Standard Deviation 0
35.30 ml/min/100g
Standard Deviation 7.35
51.19 ml/min/100g
Standard Deviation 19.39

SECONDARY outcome

Timeframe: After 12 hours of GLP-1 exposure

MVO2 derived from acetate kinetics

Outcome measures

Outcome measures
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Low Dose
n=11 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
n=1 Participants
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Myocardial Total Oxidation Rate
15.25 ml/min/100g
Standard Deviation 2.39
30.21 ml/min/100g
Standard Deviation 14.32
65.30 ml/min/100g
Standard Deviation 0
18.57 ml/min/100g
Standard Deviation 3.78
59.85 ml/min/100g
Standard Deviation 30.47

SECONDARY outcome

Timeframe: After 12 hours of GLP-1 exposure

Population: Analyses performed only on the groups with relevant primary outcome data observed

Impedance cardiography-derived measurement of cardiac index, assessed following 12 hour exposure to treatment condition concurrent with the PET measurements.

Outcome measures

Outcome measures
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Cardiac Index
3.00 L/min/m^2
Standard Deviation 0.52
2.88 L/min/m^2
Standard Deviation 0.31
2.90 L/min/m^2
Standard Deviation 0.51

SECONDARY outcome

Timeframe: After 12 hours of GLP-1 exposure

Population: Analyses performed only on the groups with relevant primary outcome data observed

Achieved GLP-1 concentrations at the end of the 12 hour treatment exposure

Outcome measures

Outcome measures
Measure
Lean Saline
n=6 Participants
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 Low Dose
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2DM GLP-1 1.5 Pmol/kg/Min
n=7 Participants
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 High Dose
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
GLP-1 Concentrations
61.7 pmol/L
Standard Deviation 33.5
302.1 pmol/L
Standard Deviation 149.1
307.8 pmol/L
Standard Deviation 86.2

Adverse Events

Lean Saline

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

Lean GLP-1 0.5 Pmol/kg/Min

Serious events: 0 serious events
Other events: 1 other events
Deaths: 0 deaths

Type 2 DM GLP-1 0.5 Pmol/kg/Min

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

Lean GLP-1 1.5 Pmol/kg/Min

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

Type 2 DM GLP-1 1.5 Pmol/kg/Min

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

Lean GLP-1 4.0 Pmol/kg/Min

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

Type 2 DM GLP-1 4.0 Pmol/kg/Min

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

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Lean Saline
n=6 participants at risk
12 hour placebo (saline) infusion prior to PET study Placebo: Saline placebo infusion for 12 hours prior to PET study
Lean GLP-1 0.5 Pmol/kg/Min
n=11 participants at risk
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 0.5 Pmol/kg/Min
n=1 participants at risk
GLP-1 Low Dose: 0.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 1.5 Pmol/kg/Min
n=8 participants at risk
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 1.5 Pmol/kg/Min
n=7 participants at risk
GLP-1 Mid-Range Dose: 1.5 pmol/kg/min for 12 hours prior to PET study
Lean GLP-1 4.0 Pmol/kg/Min
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
Type 2 DM GLP-1 4.0 Pmol/kg/Min
GLP-1 High Dose: 4.0 pmol/kg/min for 12 hours prior to PET study
General disorders
Nausea
0.00%
0/6
9.1%
1/11 • Number of events 1
0.00%
0/1
0.00%
0/8
0.00%
0/7
0/0
0/0

Additional Information

Kieren J Mather MD FRCPC

Indiana University

Phone: 317-278-7826

Results disclosure agreements

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