# Antipsychotic Polypharmacy in Schizophrenia

> **NCT00493233** · NA · COMPLETED · sponsor: **Centre for Addiction and Mental Health** · enrollment: 100 (estimated)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** 2 antipsychotic medications (combinations of olanzapine, risperidone, clozapine, seroquel, haldol, perphenazine)
- **DRUG:** main antipsychotic medication and placebo

## Key facts

- **NCT ID:** NCT00493233
- **Lead sponsor:** Centre for Addiction and Mental Health
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2006-11
- **Primary completion:** 2008-12
- **Final completion:** —
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2009-05-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00493233

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00493233, "Antipsychotic Polypharmacy in Schizophrenia". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT00493233. Licensed CC0.

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