# An Extension of Istradefylline in North American Parkinson's Disease Patients Who Have Completed Study 6002-INT-001

> **NCT00199381** · PHASE3 · TERMINATED · sponsor: **Kyowa Kirin, Inc.** · enrollment: 504 (actual)

## Conditions studied

- Parkinson's Disease

## Interventions

- **DRUG:** Istradefylline

## Key facts

- **NCT ID:** NCT00199381
- **Lead sponsor:** Kyowa Kirin, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2005-10
- **Primary completion:** 2008-10
- **Final completion:** 2008-10
- **Target enrollment:** 504 (ACTUAL)
- **Why stopped:** Additional long-term safety data no longer needed
- **Last updated:** 2024-05-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00199381

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00199381, "An Extension of Istradefylline in North American Parkinson's Disease Patients Who Have Completed Study 6002-INT-001". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT00199381. Licensed CC0.

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