Trial Outcomes & Findings for Gastrointestinal Hormonal Regulation of Obesity (NCT NCT01146704)

NCT ID: NCT01146704

Last Updated: 2025-02-04

Results Overview

The primary objective is to compare weight loss between each of the two diets, a high-protein diet versus a standard diet.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

31 participants

Primary outcome timeframe

The primary outcome of weight loss is measured at the Baseline at Day 1, and at the end of the 12 months study period for each subject.

Results posted on

2025-02-04

Participant Flow

Participant milestones

Participant milestones
Measure
Standard Diet
Standard protein diet group as control based on 0.5 gram protein per pound of lean body mass with same calories: 15% protein and 55% carbohydrate. Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass: Standard protein diet as control, based on 0.5 gram protein per pound of lean body mass, isocaloric (same number of calories) and consisting of 15% protein and 55% carbohydrate.
High Protein Diet
High protein diet group based on 1 gram of protein per pound of lean body mass: 30% protein and 40% carbohydrate. Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate: High level of protein diet, based on 1 gram of protein per pound of subject's lean body mass, isocaloric (same number of calories) and consisting of 30% protein and 40% carbohydrate.
Overall Study
STARTED
16
15
Overall Study
COMPLETED
16
15
Overall Study
NOT COMPLETED
0
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Gastrointestinal Hormonal Regulation of Obesity

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Standard Diet
n=16 Participants
Standard protein diet group as control based on 0.5 gram protein per pound of lean body mass with same calories: 15% protein and 55% carbohydrate. Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass: Standard protein diet as control, based on 0.5 gram protein per pound of lean body mass, isocaloric (same number of calories) and consisting of 15% protein and 55% carbohydrate.
High Protein Diet
n=15 Participants
High protein diet group based on 1 gram of protein per pound of lean body mass: 30% protein and 40% carbohydrate. Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate: High level of protein diet, based on 1 gram of protein per pound of subject's lean body mass, isocaloric (same number of calories) and consisting of 30% protein and 40% carbohydrate.
Total
n=31 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
Age, Categorical
Between 18 and 65 years
13 Participants
n=5 Participants
12 Participants
n=7 Participants
25 Participants
n=5 Participants
Age, Categorical
>=65 years
3 Participants
n=5 Participants
3 Participants
n=7 Participants
6 Participants
n=5 Participants
Age, Continuous
52.69 years
n=5 Participants
50.26 years
n=7 Participants
51.48 years
n=5 Participants
Sex: Female, Male
Female
8 Participants
n=5 Participants
7 Participants
n=7 Participants
15 Participants
n=5 Participants
Sex: Female, Male
Male
8 Participants
n=5 Participants
8 Participants
n=7 Participants
16 Participants
n=5 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Asian
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=5 Participants
1 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
6 Participants
n=5 Participants
3 Participants
n=7 Participants
9 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
11 Participants
n=7 Participants
20 Participants
n=5 Participants
Race (NIH/OMB)
More than one race
1 Participants
n=5 Participants
0 Participants
n=7 Participants
1 Participants
n=5 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Region of Enrollment
United States
16 Participants
n=5 Participants
15 Participants
n=7 Participants
31 Participants
n=5 Participants
BMI
35.49 kg/m^2
n=5 Participants
30.542 kg/m^2
n=7 Participants
33.02 kg/m^2
n=5 Participants

PRIMARY outcome

Timeframe: The primary outcome of weight loss is measured at the Baseline at Day 1, and at the end of the 12 months study period for each subject.

The primary objective is to compare weight loss between each of the two diets, a high-protein diet versus a standard diet.

Outcome measures

Outcome measures
Measure
Standard Diet
n=16 Participants
Standard protein diet group as control based on 0.5 gram protein per pound of lean body mass with same calories: 15% protein and 55% carbohydrate. Protein powder supplement, standard dosage based on 0.5 gram protein per pound of subject's lean body mass: Standard protein diet as control, based on 0.5 gram protein per pound of lean body mass, isocaloric (same number of calories) and consisting of 15% protein and 55% carbohydrate.
High Protein Diet
n=15 Participants
High protein diet group based on 1 gram of protein per pound of lean body mass: 30% protein and 40% carbohydrate. Protein powder supplement, High Level Protein, based on 1 gram of protein per pound of lean body mass: 25% protein and 45% carbohydrate: High level of protein diet, based on 1 gram of protein per pound of subject's lean body mass, isocaloric (same number of calories) and consisting of 30% protein and 40% carbohydrate.
Change in Body Weight From Baseline to 12 Months
1.09 lbs
Interval 0.0 to 10.0
1.55 lbs
Interval 0.0 to 10.0

SECONDARY outcome

Timeframe: The outcome of efficacy is measured at Day 1 Baseline and at monthly visits during the 12 month study period for each subject.

High-protein diet promotes sensitivity to cholecystokinin and shifts the cecal microbiome without altering brain inflammation in diet-induced obesity

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: Safety variables are measured at the time any adverse events occur, and vital signs, concomitant medications and physical examination results are measured at Baseline on Day 1 and monthly throughout the 12 month study period for each subject.

High-protein diet promotes sensitivity to cholecystokinin and shifts the cecal microbiome without altering brain inflammation in diet-induced obesity

Outcome measures

Outcome data not reported

SECONDARY outcome

Timeframe: 1 year

Patients enrolled with a history of NAFLD will be assessed for improvement in NAFLD Fibrosis scoring index and other imaging parameters if performed as standard clinical care.

Outcome measures

Outcome data not reported

Adverse Events

Standard Diet

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

High Protein Diet

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

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Joseph Pisegna

Department of Veterans Affairs, VAGLAHS

Phone: 3104783711

Results disclosure agreements

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