Behavioral and Pharmacologic Treatment of Binge Eating and Obesity: Specialist Treatment

NCT ID: NCT03063606

Last Updated: 2024-02-01

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2/PHASE3

Total Enrollment

31 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-09-05

Study Completion Date

2022-12-16

Brief Summary

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This study will test the effectiveness of cognitive-behavioral therapy as a specialist treatment for binge eating disorder (BED) in patients with obesity. This is a controlled test of whether, amongst non-responders to acute treatments, cognitive-behavioral therapy augments on-going blinded pharmacotherapy (either naltrexone/bupropion or placebo), compared with no additional behavioral treatment .

Detailed Description

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Binge eating disorder (BED), the most prevalent formal eating disorder, is associated strongly with obesity and bio-psychosocial impairment. Improved treatments for patients with obesity and BED are needed that can produce sustained clinical outcomes and promote weight loss. This study (specialist treatment) RCT will provide new and novel findings from a controlled test, amongst non-responders to acute treatments, whether cognitive-behavioral therapy augments on-going blinded pharmacotherapy (naltrexone/bupropion or placebo) compared with on-going pharmacotherapy alone (without added cognitive-behavioral therapy).

Conditions

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Binge-Eating Disorder Obesity

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Cognitive-Behavioral Therapy (CBT)

CBT is a "specialist" focal treatment with three overlapping phases. (1) Establishing a collaborative therapeutic relationship while focusing on educating patients about the nature of binge eating and factors thought to maintain the problem. Specific behavioral strategies (e.g., self-monitoring) are used to help patients identify problematic eating behaviors while establishing a normal structured eating pattern. (2) Integrating cognitive restructuring procedures, focusing on helping patients learn to identify and challenge maladaptive cognitions regarding eating and weight/shape and thoughts that trigger binge eating. (3) Maintaining change and preventing relapse.

Group Type EXPERIMENTAL

Cognitive-Behavioral Therapy (CBT)

Intervention Type BEHAVIORAL

CBT specialist treatment

NB Medication (on-going from acute treatment)

Intervention Type DRUG

Naltrexone/bupropion combination (on-going blinded pharmacotherapy from acute treatment consisting of either naltrexone/bupropion or placebo)

Naltrexone/bupropion (NB) (on-going from acute stage)

Participants will continue acute blinded pharmacotherapy (consisting of either naltrexone/bupropion combination or placebo), but without added cognitive-behavioral therapy.

Group Type ACTIVE_COMPARATOR

NB Medication (on-going from acute treatment)

Intervention Type DRUG

Naltrexone/bupropion combination (on-going blinded pharmacotherapy from acute treatment consisting of either naltrexone/bupropion or placebo)

Interventions

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Cognitive-Behavioral Therapy (CBT)

CBT specialist treatment

Intervention Type BEHAVIORAL

NB Medication (on-going from acute treatment)

Naltrexone/bupropion combination (on-going blinded pharmacotherapy from acute treatment consisting of either naltrexone/bupropion or placebo)

Intervention Type DRUG

Other Intervention Names

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Contrave

Eligibility Criteria

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Inclusion Criteria

* Participated in acute treatment for binge-eating disorder and obesity;
* Did not have a positive response to acute treatment;
* Available for the duration of the treatment and follow-up (20 months);
* Read, comprehend, and write English at a sufficient level to complete study-related materials; and
* Able to travel to study location (New Haven, CT) for weekly visits.

Exclusion Criteria

* Currently taking anti-depressant medications;
* Currently taking opioid pain medications or drugs;
* Currently taking medications that influence eating/weight;
* History of seizures;
* Current substance use disorder or other severe psychiatric disturbance (e.g., suicidality);
* Past or current anorexia nervosa, bulimia nervosa;
* Pregnant or breastfeeding;
* Medical status judged by study physician as contraindication.
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NIH

Sponsor Role collaborator

Yale University

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Carlos M Grilo, PhD

Role: PRINCIPAL_INVESTIGATOR

Yale University

Locations

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Yale School of Medicine

New Haven, Connecticut, United States

Site Status

Countries

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United States

Provided Documents

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Document Type: Study Protocol and Statistical Analysis Plan

View Document

Other Identifiers

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R01DK049587

Identifier Type: NIH

Identifier Source: secondary_id

View Link

1506016065-S

Identifier Type: -

Identifier Source: org_study_id

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