# Risperidone and Olanzapine for the Schizophrenic Patients With Neuroleptic-Induced Tardive Dyskinesia

> **NCT00621998** · PHASE4 · COMPLETED · sponsor: **Taoyuan Psychiatric Center, Ministry of Health and Welfare, Executive Yuan, R.O.C. Taiwan** · enrollment: 60 (actual)

## Conditions studied

- Neuroleptic-Induced Tardive Dyskinesia

## Interventions

- **DRUG:** risperidone
- **DRUG:** olanzapine

## Key facts

- **NCT ID:** NCT00621998
- **Lead sponsor:** Taoyuan Psychiatric Center, Ministry of Health and Welfare, Executive Yuan, R.O.C. Taiwan
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2000-07
- **Primary completion:** 2003-12
- **Final completion:** 2004-06
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2008-02-22

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00621998

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00621998, "Risperidone and Olanzapine for the Schizophrenic Patients With Neuroleptic-Induced Tardive Dyskinesia". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00621998. Licensed CC0.

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