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Int Clin Psychopharmacol. 2006 Jan;21(1):49-56.

A double-blind, controlled study of sertindole versus risperidone in the treatment of moderate-to-severe schizophrenia.

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Hôpital Sainte Marguerite, Service de Psychiatrie, Marseille, France.


Sertindole is a non-sedating atypical antipsychotic effective in the management of schizophrenia and is associated with placebo-level incidence of extrapyramidal symptoms (EPS). In this randomized, double-blind, parallel-group, flexible-dose, multi-centre study, the efficacy and tolerability of sertindole was directly compared with another atypical antipsychotic in patients with schizophrenia. A total of 187 patients were randomly assigned to treatment with sertindole (12-24 mg/day, n=98) or risperidone (4-10 mg/day, n=89) for 12 weeks. Although early termination reduced the power of the study, some significant between-group differences were evident. Sertindole reduced the mean Positive and Negative Syndrome Scale total scores to a greater extent than risperidone, and the difference reached statistical significance at endpoint for the Observed Cases (OC) dataset. Moreover, sertindole was superior for the treatment of negative symptoms compared to risperidone (P<0.05, Last Observation Carried Forward and OC). Both treatment groups were similarly effective in improving Clinical Global Impression (Severity and Improvement), the Drug Attitude Inventory and Global Assessment of Functioning scores. Sertindole and risperidone were both well tolerated. Numerically, fewer patients in the sertindole group (19%) reported EPS-related adverse events than in the risperidone group (28%), although significantly more sertindole-treated patients reported QT prolongation and abnormal ejaculation volume (P<0.05). In conclusion, sertindole was well tolerated and demonstrated clinically relevant efficacy advantages over risperidone.

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