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OBJECTIVE: Recovery from anorexia nervosa is confounded by intrusive anorectic cognitions and rituals. It has been observed that olanzapine, an atypical antipsychotic, can reduce this anorexic rumination. A pilot study was designed to test the effectiveness of olanzapine in this role. METHODS: A randomized trial of olanzapine versus chlorpromazine, with anorexic rumination as the primary outcome, was conducted. Of the 26 patients who presented, 15 were randomized in a balanced block design, eight to olanzapine and seven to chlorpromazine. RESULTS: Only the olanzapine group had a significant reduction in the degree of rumination. CONCLUSION: Olanzapine may be of benefit in anorexia nervosa by causing a reduction in anorexic rumination.
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Mondraty et al. (2005) studied this question.
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