# Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia

> **NCT00169091** · PHASE4 · TERMINATED · sponsor: **Harvard Medical School (HMS and HSDM)** · enrollment: 32 (actual)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** Clozapine
- **DRUG:** Haloperidol

## Key facts

- **NCT ID:** NCT00169091
- **Lead sponsor:** Harvard Medical School (HMS and HSDM)
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 1996-03
- **Primary completion:** 2003-09
- **Final completion:** 2003-10
- **Target enrollment:** 32 (ACTUAL)
- **Last updated:** 2015-04-07

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00169091

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00169091, "Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia". Retrieved via AI Analytics 2026-07-19 from https://api.ai-analytics.org/clinical/NCT00169091. Licensed CC0.

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