期刊
JOURNAL OF OBSESSIVE-COMPULSIVE AND RELATED DISORDERS
卷 2, 期 1, 页码 48-52出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jocrd.2012.10.003
关键词
N-acetylcysteine; Glutamate; Obsessive compulsive disorder; Treatment-resistance; Augmentation
类别
Background: Evidence-based, first-line treatments for obsessive compulsive disorder, (OCD) include the serotonin reuptake inhibitors (SRI), however, 40-60% of OCD patients do not respond. A wide variety of agents have been examined as adjuncts to standard SRI treatment in cases of treatment resistance, however, no gold-standard approach has been identified. Glutamate dysfunction is now thought to have a role in OCD, and use of glutamatergic treatment agents may hold promise. N-acetylcysteine (NAC) is an amino acid derivative of cysteine, available as a health supplement. It has shown efficacy in OCD-spectrum disorders and in 1 case report of treatment resistant OCD. Method: A retrospective chart review of 6 treatment resistant OCD patients, who had been treated with NAC for 6-12 weeks. Symptom severity was evaluated at regular clinic visits. Results: Five of 6 patients took NAC for 12 weeks. The mean endpoint dose was 2833.3 +/- 408.2 mg/day. Only 1/6 patients responded to treatment with NAC; two patients reported a worsening of symptoms; no patients reported adverse events. Conclusions: NAC was not effective in this sample of treatment-refractory OCD patients. Whether this result was a function of the mechanism of action of NAC or of the pathophysiology of treatment refractory OCD, remains unclear. (C) 2012 Elsevier Inc. All rights reserved.
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