# Add-On Therapy to Risperidonein Schizophrenia

> **NCT01189006** · PHASE2,PHASE3 · COMPLETED · sponsor: **National Cheng-Kung University Hospital** · enrollment: 161 (actual)

## Conditions studied

- Schizophrenia

## Interventions

- **DRUG:** Dextromethorphan

## Key facts

- **NCT ID:** NCT01189006
- **Lead sponsor:** National Cheng-Kung University Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-01
- **Primary completion:** 2008-12
- **Final completion:** 2008-12
- **Target enrollment:** 161 (ACTUAL)
- **Last updated:** 2013-02-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01189006

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01189006, "Add-On Therapy to Risperidonein Schizophrenia". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT01189006. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*