Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 10:14 PM EDT

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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Conditions
Immune Thrombocytopenic Purpura
Interventions
Fostamatinib Disodium, Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Nyack, New York
Conditions
Immune Thrombocytopenic Purpura
Interventions
Fostamatinib Disodium
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
9
States / cities
Tucson, Arizona • Peoria, Illinois • Lafayette, Indiana + 5 more
Conditions
Rheumatoid Arthritis
Interventions
Fostamatinib disodium (R935788), Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
24
States / cities
La Jolla, California • Palm Desert, California • Hamden, Connecticut + 21 more
Conditions
Refractory Chronic Myelomonocytic Leukemia, Refractory Myelodysplastic Syndrome
Interventions
Fostamatinib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Conditions
Warm Antibody Autoimmune Hemolytic Anemia
Interventions
Fostamatinib 150 mg bid
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
31
States / cities
Gilbert, Arizona • Tucson, Arizona • La Jolla, California + 27 more
Conditions
Purpura, Thrombocytopenic, Idiopathic
Interventions
Fostamatinib Disodium / R935788
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
2
States / cities
New York, New York • Cleveland, Ohio
Conditions
Lymphoma
Interventions
fostamatinib
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
11
States / cities
Los Angeles, California • Stanford, California • Atlanta, Georgia + 8 more
Conditions
IGA Nephropathy
Interventions
Fostamatinib 150 mg, Fostamatinib 100 mg, Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 70 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
4
States / cities
Palo Alto, California • Augusta, Georgia • Columbus, Ohio + 1 more
Conditions
Immune Thrombocytopenic Purpura
Interventions
Fostamatinib disodium, Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
13
States / cities
Tucson, Arizona • Los Angeles, California • Lakeland, Florida + 10 more
Conditions
Rheumatoid Arthritis
Interventions
R788, Placebo
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
27
States / cities
Santa Maria, California • Ocala, Florida • Orange Park, Florida + 22 more