Trial Outcomes & Findings for Weight Regain Treatment Post-Bariatric Surgery (NCT NCT04662801)

NCT ID: NCT04662801

Last Updated: 2023-11-13

Results Overview

BMI is calculated using measured height and weight- kg/m2.

Recruitment status

COMPLETED

Study phase

PHASE2/PHASE3

Target enrollment

26 participants

Primary outcome timeframe

Post-treatment (3 months)

Results posted on

2023-11-13

Participant Flow

Participant milestones

Participant milestones
Measure
Behavioral Weight Loss
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Overall Study
STARTED
12
10
Overall Study
COMPLETED
9
7
Overall Study
NOT COMPLETED
3
3

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Weight Regain Treatment Post-Bariatric Surgery

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Behavioral Weight Loss
n=12 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=10 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Total
n=22 Participants
Total of all reporting groups
Age, Continuous
51.17 years
STANDARD_DEVIATION 11.01 • n=5 Participants
46.5 years
STANDARD_DEVIATION 7.71 • n=7 Participants
49.05 years
STANDARD_DEVIATION 9.73 • n=5 Participants
Sex: Female, Male
Female
10 Participants
n=5 Participants
8 Participants
n=7 Participants
18 Participants
n=5 Participants
Sex: Female, Male
Male
2 Participants
n=5 Participants
2 Participants
n=7 Participants
4 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
2 Participants
n=5 Participants
0 Participants
n=7 Participants
2 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
10 Participants
n=5 Participants
10 Participants
n=7 Participants
20 Participants
n=5 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=5 Participants
0 Participants
n=7 Participants
0 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
0 Participants
n=7 Participants
0 Participants
n=5 Participants
Race (NIH/OMB)
Black or African American
2 Participants
n=5 Participants
3 Participants
n=7 Participants
5 Participants
n=5 Participants
Race (NIH/OMB)
White
9 Participants
n=5 Participants
7 Participants
n=7 Participants
16 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
12 participants
n=5 Participants
10 participants
n=7 Participants
22 participants
n=5 Participants

PRIMARY outcome

Timeframe: Post-treatment (3 months)

Population: Participants with complete data at follow up.

BMI is calculated using measured height and weight- kg/m2.

Outcome measures

Outcome measures
Measure
Behavioral Weight Loss
n=9 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=7 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Body Mass Index
39.12 kg/m2
Standard Deviation 4.57
40.48 kg/m2
Standard Deviation 4.89

SECONDARY outcome

Timeframe: Post-treatment (3 months)

Population: Participants with complete data at follow up- 1 participant did not complete questionnaires in the Behavioral Weight Loss + Medication group at follow up.

Eating-disorder psychopathology is a continuous variable as assessed by the global score of the Eating Disorder Examination/Eating Disorder Examination-Questionnaire. Scores range from 0-6 (0=no eating-disorder psychopathology; 6=severe eating-disorder psychopathology).

Outcome measures

Outcome measures
Measure
Behavioral Weight Loss
n=9 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=6 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Eating Disorder Psychopathology
1.53 units on a scale
Standard Deviation 0.80
1.46 units on a scale
Standard Deviation 0.94

SECONDARY outcome

Timeframe: Post-treatment (3 months)

Population: Participants with complete data at follow up- 1 participant did not complete questionnaires in the Behavioral Weight Loss + Medication group at follow up.

Food craving will be assessed by the Food Craving Inventory (FCI). FCI scores range from 1-5, with higher scores indicative of greater craving.

Outcome measures

Outcome measures
Measure
Behavioral Weight Loss
n=9 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=6 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Food Craving
1.65 units on a scale
Standard Deviation 0.49
1.57 units on a scale
Standard Deviation 0.29

SECONDARY outcome

Timeframe: Post-treatment (3 months)

Population: Participants with complete data at follow up- 1 participant did not complete questionnaires in the Behavioral Weight Loss + Medication group at follow up.

Depressive symptoms will be assessed by the Patient Health Questionnaire-9. The range is 0-27, which higher scores indicative of greater depressive symptomatology

Outcome measures

Outcome measures
Measure
Behavioral Weight Loss
n=9 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=6 Participants
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Depressive Symptoms
3.89 units on a scale
Standard Deviation 5.21
3.67 units on a scale
Standard Deviation 2.58

Adverse Events

Behavioral Weight Loss

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

Behavioral Weight Loss + Medication

Serious events: 0 serious events
Other events: 7 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Behavioral Weight Loss
n=12 participants at risk
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Responder: BWL continued: Participants categorized as experiencing early weight loss at the end of the first month of treatment will continue with BWL for the remainder of treatment.
Behavioral Weight Loss + Medication
n=10 participants at risk
Behavioral Weight Loss (BWL): All participants will receive twelve weeks of BWL treatment. Early Non-responder: BWL continued with medication added: Participants categorized as not experiencing early weight loss at the end of the first month of treatment will continue BWL plus a weight loss medication (Naltrexone Bupropion) for the remainder of treatment.
Gastrointestinal disorders
Diarrhea
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
30.0%
3/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
Gastrointestinal disorders
Constipation
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
40.0%
4/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
Gastrointestinal disorders
Nausea
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
50.0%
5/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
General disorders
Dizziness
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
30.0%
3/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
General disorders
Dry mouth
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
50.0%
5/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
General disorders
Headache
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
30.0%
3/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
General disorders
Insomnia
0.00%
0/12 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.
20.0%
2/10 • Up to 3 months
Adverse events were collected for both arms however, the on label listed potential side effects for the drug were used to assess participants in the '+ drug' arm systematically.

Additional Information

Dr Valentina Ivezaj, Assistant Professor of Psychiatry

Yale School of Medicine

Phone: +1 (203) 785-7807

Results disclosure agreements

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