A Randomized Controlled Trial of Psychoanalytic Psychotherapy or Cognitive-Behavioral Therapy for Bulimia Nervosa
2014
Objective:The authors compared psychoanalytic psychotherapy and cognitive-behavioral therapy (CBT) in the treatment of bulimia nervosa.Method:A randomized controlled trial was conducted in which 70 patients with bulimia nervosa received either 2 years of weekly psychoanalytic psychotherapy or 20 sessions of CBT over 5 months. The main outcome measure was the Eating Disorder Examination interview, which was administered blind to treatment condition at baseline, after 5 months, and after 2 years. The primary outcome analyses were conducted using logistic regression analysis.Results:Both treatments resulted in improvement, but a marked difference was observed between CBT and psychoanalytic psychotherapy. After 5 months, 42% of patients in CBT (N=36) and 6% of patients in psychoanalytic psychotherapy (N=34) had stopped binge eating and purging (odds ratio=13.40, 95% confidence interval [CI]=2.45–73.42; p<0.01). At 2 years, 44% in the CBT group and 15% in the psychoanalytic psychotherapy group had stopped bing...
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