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ClinicalTrials.gov public records Last synced Oct 8, 2026, 1:08 AM EDT

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Showing 1–24 of 73 matching trials from the live ClinicalTrials.gov search.
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
Solid Tumor, Cancer, Carcinoma, Hepatocellular Carcinoma, HCC
Interventions
Mogamulizumab + Nivolumab
Biological
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Gilbert, Arizona • Greenbrae, California • Los Angeles, California + 12 more
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
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Princeton, New Jersey
Conditions
X-linked Hypophosphatemia
Interventions
burosumab
Biological
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
5 Years to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
4
States / cities
San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 1 more
Conditions
Leukemia/Lymphoma, Cutaneous T Cell Lymphoma, ATLL
Interventions
Not listed
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2030
U.S. locations
1
States / cities
Milwaukee, Wisconsin
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
Multiple Myeloma
Interventions
BIW-8962
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
5
States / cities
Tampa, Florida • Chicago, Illinois • Detroit, Michigan + 2 more
Conditions
Non-Small Cell Lung Cancer
Interventions
mogamulizumab, Docetaxel
Biological · Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Lafayette, Indiana • Baltimore, Maryland • Canton, Ohio + 2 more
Conditions
Urothelial Carcinoma
Interventions
KHK2455, Avelumab
Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
St. Petersburg, Florida • Iowa City, Iowa • Santa Fe, New Mexico + 2 more
Conditions
Cutaneous T-Cell Lymphoma
Interventions
KW-0761, Vorinostat
Biological · Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
372 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
34
States / cities
Birmingham, Alabama • Gilbert, Arizona • Duarte, California + 27 more
Conditions
X-Linked Hypophosphatemia
Interventions
burosumab, Oral Phosphate Supplement, active vitamin D
Biological · Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
1 Year to 12 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Los Angeles, California • San Francisco, California • Indianapolis, Indiana + 2 more
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
Acute Myelogenous Leukemia (AML)
Interventions
KW-2449
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania • Greenville, South Carolina
Conditions
Adult T-cell Leukemia-Lymphoma
Interventions
KW-0761, Pralatrexate, gemcitabine plus oxaliplatin, DHAP
Biological · Drug
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
10
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 5 more
Conditions
X-Linked Hypophosphatemia
Interventions
KRN23
Biological
Lead sponsor
Kyowa Kirin, Inc.
Industry
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
5
States / cities
San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 2 more
Conditions
X-linked Hypophosphatemia
Interventions
KRN23
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
5
States / cities
San Francisco, California • New Haven, Connecticut • Indianapolis, Indiana + 2 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
Arthritis, Rheumatoid
Interventions
FKB327, Humira®
Drug
Lead sponsor
Fujifilm Kyowa Kirin Biologics Co., Ltd.
Industry
Eligibility
18 Years and older
Enrollment
728 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
16
States / cities
Peoria, Arizona • Palm Desert, California • Boca Raton, Florida + 13 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
Myeloma
Interventions
Lenalidomide, Monocyte derived DCs loaded with KRN7000
Drug · Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Neovascular Age-Related Macular Degeneration (nAMD)
Interventions
KHK4951, Aflibercept Injection
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
50 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
38
States / cities
Mesa, Arizona • Tucson, Arizona • Arcadia, California + 34 more
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
Pain, Cancer
Interventions
EN3267
Drug
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
17 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina