- Conditions
- Hepatic Impairment
- Interventions
- Istradefylline
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014
- U.S. locations
- 2
- States / cities
- Orlando, Florida • Knoxville, Tennessee
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–12
of 12
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Parkinson Disease, Tremor
- Interventions
- Istradefylline Pill
- Drug
- Lead sponsor
- Georgetown University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- McLean, Virginia
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 504 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Drug Abuse
- Interventions
- Istradefylline, Phentermine 45 mg, Placebo
- Drug · Other
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline ( KW-6002)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 1,100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2007
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- Istradefylline 20 mg or 40 mg
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 239 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 23
- States / cities
- Phoenix, Arizona • Sun City, Arizona • Tucson, Arizona + 20 more
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline
- Drug
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2007
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Apathy, Parkinson Disease
- Interventions
- Istradefylline 40 mg
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline 40 mg, Rifampin 300mg BID + istradefylline 40mg Day 8 only
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014
- U.S. locations
- 1
- States / cities
- Tempe, Arizona
- Conditions
- Parkinson's Disease
- Interventions
- KW-6002 (istradefylline)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2003
- U.S. locations
- 1
- States / cities
- Princeton, New Jersey
- Conditions
- Parkinson's Disease
- Interventions
- Istradefylline (KW-6002)
- Drug
- Lead sponsor
- Kyowa Kirin, Inc.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 580 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2005
- U.S. locations
- 2
- States / cities
- Princeton, New Jersey
- Conditions
- Idiopathic Parkinson's Disease
- Interventions
- Istradefylline 40 mg, Istradefylline 20 mg, Placebo
- Drug
- Lead sponsor
- Kyowa Kirin Co., Ltd.
- Industry
- Eligibility
- 30 Years and older
- Enrollment
- 613 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2016
- U.S. locations
- 41
- States / cities
- Phoenix, Arizona • Sun City, Arizona • Tucson, Arizona + 36 more