# A Dose Finding Study of Preladenant (SCH 420814) for the Treatment of Parkinson's Disease (PD) in Japanese Patients (P06402)

> **NCT01294800** · PHASE2 · COMPLETED · sponsor: **Merck Sharp & Dohme LLC** · enrollment: 450 (actual)

## Conditions studied

- Parkinson's Disease

## Interventions

- **DRUG:** Preladenant
- **DRUG:** Placebo tablet to match Preladenant

## Key facts

- **NCT ID:** NCT01294800
- **Lead sponsor:** Merck Sharp & Dohme LLC
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-02-25
- **Primary completion:** 2013-06-01
- **Final completion:** 2013-06-01
- **Target enrollment:** 450 (ACTUAL)
- **Last updated:** 2018-11-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01294800

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01294800, "A Dose Finding Study of Preladenant (SCH 420814) for the Treatment of Parkinson's Disease (PD) in Japanese Patients (P06402)". Retrieved via AI Analytics 2026-09-06 from https://api.ai-analytics.org/clinical/NCT01294800. Licensed CC0.

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