Effect of Adenine on Clozapine-induced Neutropenia in Patients with Schizophrenia: A Preliminary Study

Ippei Takeuchi, Taro Kishi, Manako Hanya, Junji Uno, Kiyoshi Fujita, Hiroyuki Kamei

研究成果: Article査読

1 被引用数 (Scopus)

抄録

Objective: This study examined the utility of adenine for preventing clozapine-induced neutropenia. Methods: This retrospective study examined the effect of adenine on clozapine-induced neutropenia in patients with treatment- resistant schizophrenia and was conducted at Okehazama Hospital in Japan from July 2010 to June 2013. Adenine was available for use from June 2011 onwards. Twenty-one patients started receiving clozapine treatment from July 2010 to April 2011 (the pre-adenine adoption group), and 47 patients started receiving it from May 2011 to June 2013 (the post-adenine adoption group). The effects of adenine were assessed based on changes in the patients' leukocyte counts and the frequency of treatment discontinuation due to clozapine-induced neutropenia. Results: Sixty-eight patients were treated with clozapine from July 2010 to June 2013. Of the 21 patients in the pre-adenine adoption group, 4 discontinued treatment due to clozapine-induced neutropenia, whereas only 2 of the 47 patients in the post-adenine adoption group discontinued treatment. The frequency of treatment discontinuation due to clozapine-induced neutropenia was significantly lower in post-adenine adoption group than in the pre-adenine adoption group (p=0.047). Conclusion: Adenine decreased the frequency of treatment discontinuation due to clozapine-induced neutropenia. Our data suggest that combined treatment with clozapine and adenine is a safe and effective strategy against treatment-resistant schizophrenia.

本文言語English
ページ(範囲)157-162
ページ数6
ジャーナルClinical Psychopharmacology and Neuroscience
13
2
DOI
出版ステータスPublished - 01-08-2015
外部発表はい

All Science Journal Classification (ASJC) codes

  • 精神医学および精神衛生
  • 行動神経科学
  • 薬理学(医学)

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