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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Abuse Potential of Istradefylline

NCT02609477
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 Disease, Cognitive Impairment
Interventions
Istradefylline medication
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
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
Parkinson's Disease
Interventions
istradefylline
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
30 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
1
States / cities
Princeton, New Jersey
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 ( 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
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
Sleep Disorder, Restless Legs Syndrome
Interventions
Istradefylline (KW-6002)
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Princeton, New Jersey
Conditions
Spinal Cord Injuries, Myelopathy
Interventions
Istradefylline, low oxygen therapy
Drug · Device
Lead sponsor
Randy Trumbower, PT, PhD
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Parkinson's Disease
Interventions
KW-6002, IV Levodopa
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
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
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 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, Movement Disorder Syndrome
Interventions
Istradefylline (KW-6002)
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
30 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
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
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
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
325 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
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
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Adenosine 2A Receptor Antagonism and AIH in ALS

NCT05377424
Conditions
ALS
Interventions
Consume 20mg of istradefylline, Low Oxygen therapy, Placebo counterpart to the istradefylline drug, SHAM counterpart to low oxygen therapy.
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
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
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 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