# A Study of the Effectiveness and Safety of Risperidone Compared With Haloperidol in Patients With Chronic Schizophrenia

> **NCT00249119** · PHASE3 · COMPLETED · sponsor: **Janssen, LP** · enrollment: 1579 (actual)

## Conditions studied

- Schizophrenia
- Psychotic Disorder

## Interventions

- **DRUG:** risperidone

## Key facts

- **NCT ID:** NCT00249119
- **Lead sponsor:** Janssen, LP
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** —
- **Primary completion:** —
- **Final completion:** 1991-12
- **Target enrollment:** 1579 (ACTUAL)
- **Last updated:** 2011-02-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00249119

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00249119, "A Study of the Effectiveness and Safety of Risperidone Compared With Haloperidol in Patients With Chronic Schizophrenia". Retrieved via AI Analytics 2026-08-01 from https://api.ai-analytics.org/clinical/NCT00249119. Licensed CC0.

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