A Randomized Controlled Two-Stage Trial in the Treatment of Bulimia Nervosa, Comparing CBT Versus Motivational Enhancement in Phase 1 Followed by Group Versus Individual CBT in Phase 2

Melanie A. Katzman, Nuria Bara-Carril, Sophia Rabe-Hesketh, Ulrike Schmidt, Nicholas Troop, Janet Treasure

Research output: Contribution to journalArticlepeer-review

34 Citations (Scopus)
166 Downloads (Pure)

Abstract

Objective: To conduct a randomized, controlled, two-stage trial in the treatment of bulimia nervosa, comparing cognitive-behavioral therapy (CBT) versus motivational enhancement in Phase 1 followed by group versus individual CBT in Phase 2. Methods: A total of 225 patients with bulimia nervosa or eating disorder not otherwise specified (EDNOS) were recruited into a randomized controlled trial lasting 12 weeks with follow-ups at 1 year and 2.5 years. Results: Patients improved significantly across all of the interventions with no differences in outcome or treatment adherence. Including motivational enhancement therapy rather than a CBT first phase of treatment did not affect outcome. Conclusions: Outcome differences between individual and group CBT were minor, suggesting that group treatment prefaced by a short individual intervention may be a cost-effective alternative to purely individual treatment.

Original languageEnglish
Pages (from-to)656-663
Number of pages8
JournalPsychosomatic medicine
Volume72
Issue number7
DOIs
Publication statusPublished - Sept 2010

Keywords

  • bulimia nervosa
  • group cognitive-behavioral therapy
  • motivational enhancement therapy
  • randomized controlled trial
  • COGNITIVE-BEHAVIORAL THERAPY
  • FACE-TO-FACE
  • EATING-DISORDERS
  • SELF-HELP
  • PSYCHOTHERAPY
  • MULTICENTER
  • INTERVIEW
  • EFFICACY
  • DESIGN
  • SAMPLE

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