Zonisamide in the treatment of bulimia nervosa: an open-label, pilot, prospective study.

Int J Eat Disord

Lindner Center of HOPE, Mason, Ohio; Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati College of Medicine, Cincinnati, Ohio.

Published: November 2013

AI Article Synopsis

  • The study aimed to preliminarily evaluate the effectiveness of zonisamide for treating bulimia nervosa over a 12-week open-label trial.
  • Zonisamide significantly reduced binge-purge episode frequency and associated behaviors, showing improvement in clinical severity and depressive symptoms, while not affecting weight.
  • Although effective, the trial faced a high discontinuation rate, indicating potential challenges in treatment adherence.

Article Abstract

Objective: To assess preliminarily the effectiveness of zonisamide in bulimia nervosa.

Method: This was an open-label, prospective, 12-week, flexible dose study of zonisamide in bulimia nervosa. The primary outcome was binge-purge episode frequency.

Results: Twelve individuals received zonisamide, 10 completed at least one post-baseline evaluation, and six completed the study. Mean dose at endpoint was 420 (SD = 215) mg/day. Zonisamide was associated with significant reductions in frequency of binge-purge episodes and binge-purge days as well as measures of binge eating behavior, purging behavior, clinical severity, obsessive-compulsive features, and depressive symptoms. Weight was unchanged.

Discussion: In this open-label trial, zonisamide was effective in bulimia nervosa, but associated with a high discontinuation rate.

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http://dx.doi.org/10.1002/eat.22159DOI Listing

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