Augmentation of clozapine with aripiprazole in severe psychotic bipolar and schizoaffective disorders: a pilot study.

Clinical Practice and Epidemiology in Mental Health : CP & EMH
Alessandra BenedettiGiovanni Battista Cassano

Abstract

To evaluate the efficacy and safety of the augmentation of clozapine with aripiprazole in patients with treatment-resistant schizoaffective and psychotic bipolar disorders in a retrospective manner. Pharmacodynamic and pharmacokinetic interactions between the two drugs were also investigated. Three men and 4 women (median age 36 and 40 years, respectively) who had mean scores at BPRS and CGI-Severity of 59.1+/-12.0 and 5.4+/-0.5, respectively, were treated with clozapine (mean dose 292.9+/-220.7 mg/day). Patients received an adjunctive treatment with aripiprazole (mean dose 6.8 +/- 3.7 mg/day). Clozapine, norclozapine and aripiprazole plasma levels were measured by means of a high performance liquid chromatograpy with UV detection. Total scores at BPRS decreased significantly (from 59.1+/-12.0 to 51.1+/-15.6, p=0.007) after aripirazole augmentation. In particular, the factors "thought disorder" (from 10.4+/-4.4 to 9.0+/-4.5, p=.047) and "anergia" (from 10.0+/-2.7 to 8.0+/-2.4, p=.018) significantly improved. Concomitant administration of aripiprazole and clozapine did not result in an increase in side effects over the period of treatment. Dose-normalized plasma levels of both clozapine and norclozapine and the clozapine/norcloz...Continue Reading

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Jun 16, 2012·Neuropsychiatric Disease and Treatment·Nilufar Mossaheb, Rainer M Kaufmann
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