Trial Outcomes & Findings for Leptin in Human Energy and Neuroendocrine Homeostasis (NCT NCT00265980)

NCT ID: NCT00265980

Last Updated: 2019-09-18

Results Overview

To measure the metabolic changes associated with maintenance of a reduced body weight (in kcal/day)

Recruitment status

TERMINATED

Study phase

NA

Target enrollment

22 participants

Primary outcome timeframe

Baseline, 11 weeks, 18 weeks

Results posted on

2019-09-18

Participant Flow

Participant milestones

Participant milestones
Measure
Leptin Depletion Study Participants (Total)
Each of the 22 participant went through the stages (arms) of obtaining the initial weight (Weight Initial), reducing weight maintenance (placebo injection), and repletion of leptin (leptin injection).
Overall Study
STARTED
22
Overall Study
Weight Initial
22
Overall Study
Weight -10% Placebo
22
Overall Study
Weight -10% Leptin
22
Overall Study
COMPLETED
22
Overall Study
NOT COMPLETED
0

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Leptin in Human Energy and Neuroendocrine Homeostasis

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Leptin Depletion Study Participants (Total)
n=22 Participants
Each of the 22 participant went through the stages (arms) of obtaining the initial weight (Weight Initial), reducing weight maintenance (placebo injection), and repletion of leptin (leptin injection).
Age, Customized
Age
34.2 years
STANDARD_DEVIATION 8.1 • n=5 Participants
Sex: Female, Male
Female
13 Participants
n=5 Participants
Sex: Female, Male
Male
9 Participants
n=5 Participants
Region of Enrollment
United States
22 participants
n=5 Participants
Fa-free mass (FFM)
62.4 kg
STANDARD_DEVIATION 14.3 • n=5 Participants

PRIMARY outcome

Timeframe: Baseline, 11 weeks, 18 weeks

To measure the metabolic changes associated with maintenance of a reduced body weight (in kcal/day)

Outcome measures

Outcome measures
Measure
Leptin Depletion Study Participants (Total)
n=22 Participants
Each of the 22 participant went through the stages (arms) of obtaining the initial weight (Weight Initial), reducing weight maintenance (placebo injection), and repletion of leptin (leptin injection).
Total Energy Expenditure (TEE)
Weight initial
3131 kcal/day
Standard Deviation 500
Total Energy Expenditure (TEE)
Weight -10% placebo
2457 kcal/day
Standard Deviation 410
Total Energy Expenditure (TEE)
Weight -10% leptin
2766 kcal/day
Standard Deviation 799

SECONDARY outcome

Timeframe: Baseline, 11 weeks, 18 weeks

To measure the total energy expenditure/fat-free mass (FFM) (in kcal/kg).

Outcome measures

Outcome measures
Measure
Leptin Depletion Study Participants (Total)
n=22 Participants
Each of the 22 participant went through the stages (arms) of obtaining the initial weight (Weight Initial), reducing weight maintenance (placebo injection), and repletion of leptin (leptin injection).
TEE/FFM
Weight initial
51.1 kcal/kg
Standard Deviation 6.3
TEE/FFM
Weight -10% placebo
41.7 kcal/kg
Standard Deviation 6.2
TEE/FFM
Weight -10% leptin
48.1 kcal/kg
Standard Deviation 12.7

Adverse Events

Leptin Depletion Study Participants (Total)

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

Michael Rosenbaum, MD

Professor of Pediatrics and Medicine at the Columbia University

Phone: 212-305-9949

Results disclosure agreements

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