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Keywords:

  • memantine;
  • binge eating disorder;
  • obesity;
  • BMI

Abstract

Objective:

To assess preliminarily the efficacy of memantine in binge eating disorder.

Method:

This was an open-label, 12-week, flexible-dose (5–20 mg/day) trial of memantine in binge eating disorder. The primary outcome was frequency of binge days. Secondary outcomes included frequency of binge episodes, body-mass index (BMI), weight, Clinical Global Impressions Severity (CGI-S), Three Factor Eating Questionnaire (TFEQ), Montgomery–Asberg Depression Rating Scale (MADRS), Hamilton Anxiety Rating Scale (HAM-A), and Sheehan Disability Scale (SDS). Longitudinal random regression analysis was performed for frequency of binge days and episodes, BMI, weight, and CGI-S; analysis of baseline to endpoint change was performed for all outcomes.

Results:

Sixteen individuals received memantine; 15 completed at least one postbaseline evaluation, 9 completed the study. Mean dose at endpoint was 18.3 mg/day. Memantine was associated with significant reductions in frequency of binge days and episodes, severity of illness (p < .001 for both analyses), disinhibition on the TFEQ (p = .015), and disability on the SDS (p < .05 for three subscales). There was no significant change in BMI, weight, MADRS, HAM-A, and TFEQ cognitive restraint and hunger.

Conclusion:

In this open-label trial, memantine was well tolerated and effective in reducing binge eating, severity of illness, and disability, but had little effect on BMI and weight. © 2008 by Wiley Periodicals, Inc. Int J Eat Disord 2008