Reversal of olanzapine-induced weight gain in a patient with schizophrenia by switching to asenapine: a case report
Authors Okazaki K, Yamamuro K, Kishimoto T
Received 8 August 2017
Accepted for publication 13 October 2017
Published 21 November 2017 Volume 2017:13 Pages 2837—2840
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Amy Norman
Peer reviewer comments 4
Editor who approved publication: Dr Taro Kishi
Kosuke Okazaki, Kazuhiko Yamamuro, Toshifumi Kishimoto
Department of Psychiatry, Nara Medical University School of Medicine, Kashihara, Japan
Aims: Antipsychotics are effective for treating schizophrenia, but atypical antipsychotics can cause several adverse side effects including weight gain, hyperprolactinemia, and extrapyramidal symptoms. Moreover, weight gain increases the risk of metabolic diseases.
Methods: We treated a case of olanzapine-induced weight gain in a 41-year-old man with schizophrenia by switching his medication from olanzapine to asenapine.
Results: The weight gain improved after switching the medication, from 80.3 to 75.0 kg, a weight loss of 6.6%, and there was no significant worsening of psychological symptoms or other adverse effects.
Conclusions: Asenapine might be effective for treating patients with schizophrenia who experience olanzapine-induced weight gain.
Keywords: olanzapine, weight gain, schizophrenia, asenapine
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