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Behavior therapy and pharmacotherapy for obesity
Archives of General Psychiatry
|July 1, 1981
Summary
Behavior therapy for obesity is more effective long-term than pharmacotherapy. Combining treatments initially showed greater weight loss but led to faster weight regain, diminishing long-term benefits.
Area of Science:
- Behavioral Medicine
- Pharmacology
- Obesity Research
Background:
- Obesity is a complex health issue requiring effective, sustainable treatment strategies.
- Behavior therapy and pharmacotherapy are common obesity interventions.
- Understanding the long-term comparative efficacy of these treatments is crucial.
Purpose of the Study:
- To compare the six-month and one-year post-treatment effects of behavior therapy, pharmacotherapy (fenfluramine hydrochloride), and their combination for obesity treatment.
- To evaluate the long-term weight management outcomes of different obesity interventions.
Main Methods:
- A randomized controlled trial involving 120 women with obesity.
- Interventions included behavior therapy alone, fenfluramine hydrochloride alone, combined therapy, and a waiting-list control group.
- Weight changes were assessed at six months and one year post-treatment.
Main Results:
- Initially, combined therapy and pharmacotherapy resulted in significantly greater weight loss than behavior therapy alone.
- At one-year follow-up, behavior therapy patients showed less weight regain compared to pharmacotherapy and combined-treatment groups.
- Pharmacotherapy appeared to accelerate weight regain, potentially compromising the sustained benefits of behavior therapy.
Conclusions:
- While pharmacotherapy and combined treatments yield greater initial weight loss, behavior therapy alone demonstrates superior long-term weight maintenance.
- Adding pharmacotherapy to behavior therapy may diminish its long-term effectiveness in obesity management.