# A Study of Istradefylline (KW-6002) for the Treatment of Parkinson's Disease in Patients Taking Levodopa

> **NCT00199355** · PHASE2 · COMPLETED · sponsor: **Kyowa Kirin Co., Ltd.** · enrollment: 75 (—)

## Conditions studied

- Parkinson's Disease

## Interventions

- **DRUG:** Istradefylline (KW-6002)

## Key facts

- **NCT ID:** NCT00199355
- **Lead sponsor:** Kyowa Kirin Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2005-04
- **Primary completion:** 2006-03
- **Final completion:** 2006-03
- **Target enrollment:** 75 (—)
- **Last updated:** 2014-05-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00199355

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00199355, "A Study of Istradefylline (KW-6002) for the Treatment of Parkinson's Disease in Patients Taking Levodopa". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00199355. Licensed CC0.

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