Trial Outcomes & Findings for Racial Differences in Vagal Control of Glucose Homeostasis (NCT NCT02365285)

NCT ID: NCT02365285

Last Updated: 2019-03-19

Results Overview

Measure F-2 isoprostanes as a marker of oxidation

Recruitment status

COMPLETED

Study phase

PHASE1/PHASE2

Target enrollment

23 participants

Primary outcome timeframe

Baseline to 2 hours

Results posted on

2019-03-19

Participant Flow

52 participants were screen failures and did not receive an intervention.

Participant milestones

Participant milestones
Measure
Galantamine 16 mg Then Placebo (African-American)
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg Then Placebo (White)
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (African-American)
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (White)
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Overall Study
STARTED
7
6
7
3
Overall Study
COMPLETED
7
5
6
1
Overall Study
NOT COMPLETED
0
1
1
2

Reasons for withdrawal

Reasons for withdrawal
Measure
Galantamine 16 mg Then Placebo (African-American)
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg Then Placebo (White)
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (African-American)
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (White)
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Overall Study
Physician Decision
0
1
1
0
Overall Study
Adverse Event
0
0
0
2

Baseline Characteristics

Racial Differences in Vagal Control of Glucose Homeostasis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Galantamine 16 mg Then Placebo (African-American)
n=7 Participants
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg Then Placebo (White)
n=6 Participants
Galantamine 16 mg po one time dose then placebo on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (African-American)
n=7 Participants
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo Then Galantamine 16 mg (White)
n=3 Participants
Placebo capsule po one time dose then Galantamine 16 mg on 2nd visit Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Total
n=23 Participants
Total of all reporting groups
Age, Categorical
<=18 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Age, Categorical
Between 18 and 65 years
7 Participants
n=5 Participants
6 Participants
n=7 Participants
7 Participants
n=5 Participants
3 Participants
n=4 Participants
23 Participants
n=21 Participants
Age, Categorical
>=65 years
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Sex: Female, Male
Female
7 Participants
n=5 Participants
6 Participants
n=7 Participants
7 Participants
n=5 Participants
3 Participants
n=4 Participants
23 Participants
n=21 Participants
Sex: Female, Male
Male
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Black or African American
7 Participants
n=5 Participants
0 Participants
n=7 Participants
7 Participants
n=5 Participants
0 Participants
n=4 Participants
14 Participants
n=21 Participants
Race (NIH/OMB)
White
0 Participants
n=5 Participants
6 Participants
n=7 Participants
0 Participants
n=5 Participants
3 Participants
n=4 Participants
9 Participants
n=21 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
0 Participants
n=4 Participants
0 Participants
n=21 Participants
Region of Enrollment
United States
7 participants
n=5 Participants
6 participants
n=7 Participants
7 participants
n=5 Participants
3 participants
n=4 Participants
23 participants
n=21 Participants

PRIMARY outcome

Timeframe: Baseline to 2 hours

Population: 2 white participants dropped out due to nausea. 1 African-American was withdrawn, MD decision.

Measure F-2 isoprostanes as a marker of oxidation

Outcome measures

Outcome measures
Measure
Galantamine 16 mg (African-American)
n=13 Participants
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg (White)
n=7 Participants
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (African-American)
n=13 Participants
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (White)
n=7 Participants
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Change in Oxidative Stress: Baseline to 2 Hours
-0.003 pg /ml
Standard Deviation 0.012
-0.006 pg /ml
Standard Deviation 0.018
0.01 pg /ml
Standard Deviation 0.018
-0.006 pg /ml
Standard Deviation 0.01

PRIMARY outcome

Timeframe: Baseline to 4 hours

Population: 1 white participant did not have 4 hour F-2 isoprostanes drawn after receiving placebo. 2 white participants dropped out due to nausea. 1 African-American was withdrawn, MD decision.

Measure F-2 isoprostanes as a marker of oxidation

Outcome measures

Outcome measures
Measure
Galantamine 16 mg (African-American)
n=13 Participants
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg (White)
n=7 Participants
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (African-American)
n=13 Participants
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (White)
n=6 Participants
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Change in Oxidative Stress: Baseline to 4 Hours
0 pg/ml
Standard Deviation 0.016
-0.008 pg/ml
Standard Deviation 0.014
0.003 pg/ml
Standard Deviation 0.005
-0.008 pg/ml
Standard Deviation 0.014

Adverse Events

Galantamine 16 mg (African-American)

Serious events: 0 serious events
Other events: 4 other events
Deaths: 0 deaths

Galantamine 16 mg (White)

Serious events: 0 serious events
Other events: 6 other events
Deaths: 0 deaths

Placebo (African-American)

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Placebo (White)

Serious events: 0 serious events
Other events: 2 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Galantamine 16 mg (African-American)
n=14 participants at risk
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Galantamine 16 mg (White)
n=9 participants at risk
Galantamine 16 mg po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (African-American)
n=14 participants at risk
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Placebo (White)
n=9 participants at risk
Placebo capsule po one time dose Intralipid: Intralipid 20% will be infused at 0.8 mL/m2/min for 4h after oral placebo or Galantamine Heparin: heparin bolus of 1000 U will be followed by 200 U/h infusion for 4h after oral placebo or Galantamine
Gastrointestinal disorders
Nausea and Vomiting
21.4%
3/14 • Number of events 3 • Baseline through 2nd study day, usually about 1 month.
55.6%
5/9 • Number of events 5 • Baseline through 2nd study day, usually about 1 month.
14.3%
2/14 • Number of events 2 • Baseline through 2nd study day, usually about 1 month.
11.1%
1/9 • Number of events 1 • Baseline through 2nd study day, usually about 1 month.
General disorders
Lightheadness
0.00%
0/14 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/9 • Baseline through 2nd study day, usually about 1 month.
7.1%
1/14 • Number of events 1 • Baseline through 2nd study day, usually about 1 month.
11.1%
1/9 • Number of events 1 • Baseline through 2nd study day, usually about 1 month.
Gastrointestinal disorders
Abdominal Pain
7.1%
1/14 • Number of events 1 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/9 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/14 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/9 • Baseline through 2nd study day, usually about 1 month.
General disorders
Headache
0.00%
0/14 • Baseline through 2nd study day, usually about 1 month.
11.1%
1/9 • Number of events 1 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/14 • Baseline through 2nd study day, usually about 1 month.
0.00%
0/9 • Baseline through 2nd study day, usually about 1 month.

Additional Information

Cyndya Shibao, MD

Vanderbilt University Medical Center

Phone: 615-322-2318

Results disclosure agreements

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