Abstract
The efficacy and safety of timiperone, a new butyrophenone derivative, in schizophrenia as compared with haloperidol were assessed in a multi-clinic double-blind controlled study in a total of 206 patients.
The patients were given timiperone (1·0 mg/tablet) or haloperidol (1·5 mg/tablet) in a daily dose of 1–3 tablets for the first day, then up to a maximum of 12 tablets depending on symptoms for 12 weeks.
Timiperone was found to be significantly superior to haloperidol in the final global improvement rating and in the general usefulness rating.
In the over-all safety rating there were no statistically significant differences between the two drug treatments. With regard to analysis by stratification timiperone was superior to haloperidol in improving abnormal experiences such as hallucination and delusion as well as deficiency of initiative and blunted affect.
From these results it is considered that timiperone could be superior to haloperidol in the treatment of schizophrenia.
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