Integrated Treatment for Comorbid Depression and Obesity in Adolescents

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE1

Total Enrollment

36 participants

Study Classification

INTERVENTIONAL

Study Start Date

2009-12-31

Study Completion Date

2013-12-31

Brief Summary

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Lifetime prevalence of major depression is estimated at 28% by age 18 (Lewinsohn et al., 1999), with higher cumulative rates in females (35%) than males (19%). Approximately 17% of children and adolescents in the United States are obese as defined by a BMI above the 95th percentile, with more than 30% falling between the 85th and 95th percentiles (Ogden et al., 2008). Overweight children and adolescents are at increased risk for type 2 diabetes (Pinhas-Hamiel et al., 1996) and overwhelming risk for adult obesity (Guo et al., 1994). There is a substantial percentage of adolescents who are both overweight and depressed with estimates from clinical samples averaging 25%. Treatment of teens with comorbid medical and psychiatric conditions such as overweight/obesity and depression has received little to no attention in the psychosocial treatment research literature. Due to the large number of adolescents who are both depressed and overweight, developing a behavioral treatment that addresses both problems simultaneously has important public health significance. The purpose of this proposal is to combine treatments for depression and overweight to address these co-occurring conditions in one intervention. The long-term objectives of this research are to develop efficient and effective treatments for co-occurring physical and emotional disorders. The research program will be divided into 3 major phases: a development phase (Stage 1a), a pilot study phase (Stage 1b), and a revision phase. During the development phase (Stage 1a), a treatment for overweight teens and CBT treatment for depressed teens will be adapted into one integrated protocol that addresses depression using CBT techniques, an exercise component, and advice regarding healthy eating. As part of this phase, we will adapt existing intervention manuals and therapist training materials, and gain some initial clinical experience with the intervention via an open trial with 6 teens. During the randomized pilot study phase (Stage 1b), the integrated intervention will be compared to a control group receiving CBT treatment for depression alone (N=40 in total). During the pilot phase, the feasibility and acceptability of administering the program will be assessed. In addition, we will compare change in depressed mood at end of treatment and 6 month follow-up periods across the two groups. During the revision phase, the intervention manual will be further developed and refined, based on experiences and observations made during the development and pilot study phases.

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Detailed Description

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Conditions

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Depression Overweight

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Participants

Study Groups

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CBT for depression and healthy lifestyle plus exercise

CBT treatment for depressed teens will be adapted into one integrated protocol that addresses depression using CBT techniques, an exercise component, and advice regarding healthy eating.

Group Type EXPERIMENTAL

CBT for depression and healthy lifestyle plus exercise

Intervention Type BEHAVIORAL

CBT treatment for depressed teens will be adapted into one integrated protocol that addresses depression using CBT techniques, an exercise component, and advice regarding healthy eating.

CBT for depression

CBT for depression only

Group Type ACTIVE_COMPARATOR

CBT for depression

Intervention Type BEHAVIORAL

Standard CBT treatment for depressed teens that addresses depression using CBT techniques only

Interventions

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CBT for depression and healthy lifestyle plus exercise

CBT treatment for depressed teens will be adapted into one integrated protocol that addresses depression using CBT techniques, an exercise component, and advice regarding healthy eating.

Intervention Type BEHAVIORAL

CBT for depression

Standard CBT treatment for depressed teens that addresses depression using CBT techniques only

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

Adolescents must: 1) be between the ages of 12 and 18 years (18 year olds must still be in high school and living at home); 2) be at or above the 85th percentile with reference to age and gender-specific Body Mass Index (BMI); 3) have at least one parent available to participate in the treatment protocol; 4) speak English; 5) agree to study participation and random assignment; and 6) be available for follow-up. In order to meet the depressed mood criterion, adolescents must have a primary diagnosis of major depressive disorder (single or recurrent), based on the KSADS-PL with a CGI-Severity ≥ 3 for depression and CDRS ≥ 36. Participants must be healthy, as established by their primary care physician, in order to participate in the exercise program -

Exclusion Criteria

Adolescents will be excluded if: 1) they are currently receiving psychotherapy or participating in another weight loss program (only can have been in a weight loss program in the past); 2) they have a medical condition that would interfere with the prescribed dietary plan or participation in physical activity; 3) they are developmentally delayed such that the intervention materials will not be appropriate; 4) they are actively suicidal at intake; 5) they have not been on a stable dose of a psychostimulant for 6 months to ensure that a recently prescribed psychostimulant is not contributing to weight loss; 6) teens on an SSRI will not be allowed to participate due to potential effects of medication on weight loss; 7) they have a substance abuse or dependence diagnosis; or 8) they have failed a medication or psychotherapy trial for depression in the past.

Minimum Eligible Age

12 Years

Maximum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No