Long Term Study of Istradefylline in Subjects With Moderate to Severe Parkinson's Disease
Public ClinicalTrials.gov record NCT02610231. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 3, Long-term, Open-label Study of Istradefylline in Subjects With Moderate to Severe Parkinson's Disease
Study identification
- NCT ID
- NCT02610231
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Enrollment
- 239 participants
Conditions and interventions
Conditions
Interventions
- Istradefylline 20 mg or 40 mg Drug
Drug
Eligibility (public fields only)
- Age range
- 30 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 30, 2015
- Primary completion
- Dec 19, 2017
- Completion
- Dec 19, 2017
- Last update posted
- Apr 24, 2024
2015 – 2017
United States locations
- U.S. sites
- 23
- U.S. states
- 13
- U.S. cities
- 23
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Kyowa PD Site | Phoenix | Arizona | 85004 | — |
| Kyowa PD Site | Sun City | Arizona | 85351 | — |
| Kyowa PD Site | Tucson | Arizona | 85724 | — |
| Kyowa PD Site | Fountain Valley | California | 92708 | — |
| Kyowa PD Site | Los Angeles | California | 90048 | — |
| Kyowa PD Site | Oxnard | California | 93030 | — |
| Kyowa PD Site | Torrance | California | 90505 | — |
| Kyowa PD Site | Englewood | Colorado | 80113 | — |
| Kyowa PD Site | Danbury | Connecticut | 06810 | — |
| Kyowa PD Site | Boca Raton | Florida | 33486 | — |
| Kyowa PD Site | Port Charlotte | Florida | 33952 | — |
| Kyowa PD Site | Tampa | Florida | 33647 | — |
| Kyowa PD Site | Atlanta | Georgia | 30329 | — |
| Kyowa PD Site | Augusta | Georgia | 29841 | — |
| Kyowa PD Site | Des Moines | Iowa | 50309 | — |
| Kyowa PD Site | Kansas City | Kansas | 66160 | — |
| Kyowa PD Site | Boston | Massachusetts | 02215 | — |
| Kyowa PD Site | West Bloomfield | Michigan | 48322 | — |
| Kyowa PD Site | Albany | New York | 12208 | — |
| Kyowa PD Site | New York | New York | 10016 | — |
| Kyowa PD Site | Asheville | North Carolina | 28806 | — |
| Kyowa PD Site | Durham | North Carolina | 27705 | — |
| Kyowa PD Site | Toledo | Ohio | 43614 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 32 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02610231, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Apr 24, 2024 · Synced Jul 23, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02610231 live on ClinicalTrials.gov.