The relationship of plasma clomipramine and n-desmethylclomipramine to response in obsessive-compulsive disorder

M. Mavissakalian, B. Jones, S. Olson, J. M. Perel

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

The clinical significance of the effects of pharmacotherapy and the relationship between plasma tricyclic concentrations and outcome in 33 obsessive-compulsive disorder (OCD) patients who completed 10 weeks of treatment with clomipramine (239.4 ± 57.0 mg/day) were analyzed. Results revealed that at the end of treatment, OCD symptoms had decreased to a subclinical level in 15 (47%) patients and that nearly 33 percent o the sample was virtually symptom free. However, 1 out of 4 patients failed to improve. Analysis of plasma levels (clomipramine 169.9 ± 102.1 ng/ml; N-desmethylclomipramine 379.0 ± 160.6 ng/ml) revealed that responders had significantly higher clomipramine levels and a trend toward lower desmethylclomipramine/clomipramine ratios. A significant degree of correlation was also obtained between plasma levels of clomipramine, but not N-desmethylclomipramine, and post-treatment outcome measures.

Original languageEnglish (US)
Pages (from-to)119-122
Number of pages4
JournalPsychopharmacology bulletin
Volume26
Issue number1
StatePublished - 1990

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