- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05157698
Pharmacological and Behavioral Treatment After Bariatric Surgery
Behavioral and Pharmacological Treatments to Enhance Weight Outcomes After Metabolic and Bariatric Surgery
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Study Type
Enrollment (Estimated)
Phase
- Phase 2
- Phase 3
Contacts and Locations
Study Contact
- Name: Carlos M Grilo, Ph.D.
- Phone Number: 203-785-7210
- Email: carlos.grilo@yale.edu
Study Contact Backup
- Name: Valentina Ivezaj, Ph.D.
- Phone Number: 203-785-7210
- Email: valentina.ivezaj@yale.edu
Study Locations
-
-
Connecticut
-
New Haven, Connecticut, United States, 06519
- Recruiting
- Yale School of Medicine
-
Contact:
- Valentina Ivezaj, PhD
- Phone Number: 203-785-7807
- Email: valentina.ivezaj@yale.edu
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Provision of signed and dated informed consent form
- Stated willingness to comply with all study procedures and availability for the duration of the study (up to 18 months: 6-month treatment plus 12-month follow up)
- Have a BMI ≥30 (or BMI ≥27 with a medical comorbidity) and BMI ≤50 kg/m2
- Have had laparoscopic Roux-en-Y gastric bypass or sleeve gastrectomy
- Suboptimal weight outcomes after MBS
- Be an otherwise healthy subject without uncontrolled medical problems, as determined by the study physician and medical co-investigators (physical examination, laboratory studies).
- Have had a physical in the past year
- Read, comprehend, and write English at a sufficient level to complete study-related materials.
- For females of reproductive potential: use of highly effective contraception and agreement to use such a method during study participation
- For males of reproductive potential: use of condoms or other methods to ensure effective contraception with partner
Exclusion Criteria:
- Has a predisposition to seizures (e.g., subject with a history or evidence of seizure disorder, febrile seizures during childhood, brain tumor, cerebrovascular disease, or significant head trauma; has a family history of idiopathic seizure disorder or is currently being treated with medications or treatment regimens that lower seizure threshold).
- Has a history of anorexia nervosa or history of bulimia nervosa.
- Is currently taking a medication that is a contraindication to NB medication (e.g., MAOI, opiates).
- Is currently using other medications for weight loss.
- Has a history of allergy or sensitivity to bupropion or naltrexone.
- Has a co-existing psychiatric condition that requires hospitalization or more intensive treatment (such as bipolar mood disorders, psychotic illnesses, or severe depression)
- Has untreated hypertension with a seated systolic blood pressure > 160 mmHg, diastolic blood pressure > 100 mmHg, or heart rate > 100 beats/minute.
- Has a history of congenital heart disease, cardiovascular disease, cardiac arrhythmias requiring medication, or a history of cerebrovascular pathology including stroke.
- Has current uncontrolled hypertension.
- Has current uncontrolled Type I or Type 2 diabetes mellitus.
- Has untreated hypothyroidism with a TSH > 1.5 times the upper limit of normal for the test laboratory with repeat value that also exceeds this limit.
- Has gallbladder disease.
- Has a history of severe renal, hepatic, neurological, chronic pulmonary disease, or any other unstable medical disorder.
- Has a recent history of drug or alcohol dependence.
- Is currently in active effective treatment for eating or weight loss such as behavioral weight loss of FDA-approved weight loss medications.
- Is currently participating in another clinical study in which the subject is or will be exposed to an investigational or a non-investigational drug or device.
- Is breast-feeding or is pregnant or is not using a reliable form of birth control.
- Reports active suicidal or homicidal ideation.
- Has poor eye health
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Quadruple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: BWL + NB medication
Participants randomly assigned to this arm will receive 6 months of Behavioral Weight Loss (BWL) counseling and NB medication.
The naltrexone and bupropion will be taken daily in pill form.
|
Participants in this intervention will take active naltrexone and bupropion pills.
Participants in this intervention will receive behavioral weight loss treatment.
|
Experimental: BWL + Placebo
Participants randomly assigned to this arm will receive 6 months of Behavioral Weight Loss (BWL) counseling and placebo.
Placebo will be inactive and taken daily in pill form.
|
Participants in this intervention will receive behavioral weight loss treatment.
Participants in this intervention will take inactive (placebo) pills.
|
Experimental: NB medication
Participants randomly assigned to this arm will receive 6 months of NB medication taken daily in pill form.
|
Participants in this intervention will take active naltrexone and bupropion pills.
|
Placebo Comparator: Placebo
Participants randomly assigned to this arm will receive 6 months of placebo.
Placebo will be inactive and taken daily in pill form.
|
Participants in this intervention will take inactive (placebo) pills.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Body Mass Index (BMI)
Time Frame: Baseline to after the 6-month treatment
|
BMI is calculated using measured height and weight
|
Baseline to after the 6-month treatment
|
Change in Body Mass Index (BMI)
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
BMI is calculated using measured height and weight
|
From post-treatment (6-months) to the 12-month follow-up
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Total cholesterol
Time Frame: From baseline at study enrollment to after the 6-month treatment
|
Total cholesterol will be measured by bloodwork.
|
From baseline at study enrollment to after the 6-month treatment
|
Change in Total cholesterol
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
Total cholesterol will be measured by bloodwork.
|
From post-treatment (6-months) to the 12-month follow-up
|
Change in HbA1C
Time Frame: From baseline at study enrollment to after the 6-month treatment
|
HbA1C will be measured by bloodwork. HbA1C |
From baseline at study enrollment to after the 6-month treatment
|
Change in HbA1C
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
HbA1C will be measured by bloodwork. HbA1C |
From post-treatment (6-months) to the 12-month follow-up
|
Change in Glucose
Time Frame: From baseline at study enrollment to after the 6-month treatment
|
Glucose will be measured by bloodwork.
|
From baseline at study enrollment to after the 6-month treatment
|
Change in Glucose
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
Glucose will be measured by bloodwork.
|
From post-treatment (6-months) to the 12-month follow-up
|
Change in Loss-of-Control Eating Frequency
Time Frame: From baseline interview at study enrollment to after the 6-month treatment
|
Loss-of-control eating frequency is a continuous variable of loss-of-control eating episodes .during the past 28 days assessed using the Eating Disorder Examination interview
|
From baseline interview at study enrollment to after the 6-month treatment
|
Change in Loss-of-Control Eating Frequency
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
Loss-of-control eating frequency is a continuous variable of loss-of-control eating episodes during the past 28 days assessed using the Eating Disorder Examination interview.
|
From post-treatment (6-months) to the 12-month follow-up
|
Change in Eating Disorder Psychopathology
Time Frame: From baseline interview at study enrollment to after the 6-month treatment
|
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).
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From baseline interview at study enrollment to after the 6-month treatment
|
Change in Eating Disorder Psychopathology
Time Frame: From post-treatment (6-months) to the 12-month 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).
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From post-treatment (6-months) to the 12-month follow-up
|
Change in Food Craving
Time Frame: From baseline interview at study enrollment to after the 6-month treatment
|
Food craving is a continuous variable of food craving as assessed by the Food Craving Inventory.
Scores range from 0-5 (0=no food craving; 5=greatest food craving).
|
From baseline interview at study enrollment to after the 6-month treatment
|
Change in Food Craving
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
Food craving is a continuous variable of food craving as assessed by the Food Craving Inventory.
Scores range from 0-5 (0=no food craving; 5=greatest food craving).
|
From post-treatment (6-months) to the 12-month follow-up
|
Change in Depressive Symptoms
Time Frame: From baseline interview at study enrollment to after the 6-month treatment
|
Depressive Symptoms [ Time Frame: From baseline interview at study enrollment to after the 6-month treatment ] Depressive symptoms is a continuous variable of depressive symptomatology as assessed by the self-report measure, the Patient Health Questionnaire - 9. Total scores range from 0-27 (0=no depressive symptoms, 27=greater depressive symptoms). Depressive symptoms is a continuous variable of depressive symptomatology as assessed by the self-report measure, the Patient Health Questionnaire - 9. Total scores range from 0-27 (0=no depressive symptoms, 27=greater depressive symptoms). |
From baseline interview at study enrollment to after the 6-month treatment
|
Change in Depressive Symptoms
Time Frame: From post-treatment (6-months) to the 12-month follow-up
|
Depressive Symptoms [ Time Frame: From baseline interview at study enrollment to after the 6-month treatment ] Depressive symptoms is a continuous variable of depressive symptomatology as assessed by the self-report measure, the Patient Health Questionnaire - 9. Total scores range from 0-27 (0=no depressive symptoms, 27=greater depressive symptoms). Depressive symptoms is a continuous variable of depressive symptomatology as assessed by the self-report measure, the Patient Health Questionnaire - 9. Total scores range from 0-27 (0=no depressive symptoms, 27=greater depressive symptoms). |
From post-treatment (6-months) to the 12-month follow-up
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Valentina Ivezaj, Ph.D., Yale School of Medicine
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Peripheral Nervous System Agents
- Enzyme Inhibitors
- Sensory System Agents
- Psychotropic Drugs
- Neurotransmitter Uptake Inhibitors
- Membrane Transport Modulators
- Antidepressive Agents
- Dopamine Agents
- Narcotic Antagonists
- Cytochrome P-450 Enzyme Inhibitors
- Antidepressive Agents, Second-Generation
- Cytochrome P-450 CYP2D6 Inhibitors
- Alcohol Deterrents
- Dopamine Uptake Inhibitors
- Naltrexone
- Bupropion
Other Study ID Numbers
- 2000029934
- 1R01DK125650-01A1 (U.S. NIH Grant/Contract)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
product manufactured in and exported from the U.S.
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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