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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Relative Bioavailability and Intra-Subject Variability of Two Lots of E5501 40 mg Tablets Administered Twice as Single Oral Doses to Healthy Subjects

NCT01289509
View directory record Official record
Conditions
Idiopathic Thrombocytopenia Purpura
Interventions
E5501, Drug: E5501
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced Sep 23, 2026, 3:27 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Study to Evaluate Rilzabrutinib in Adults and Adolescents With Persistent or Chronic Immune Thrombocytopenia (ITP)

NCT04562766
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Rilzabrutinib, Placebo
Drug
Lead sponsor
Principia Biopharma, a Sanofi Company
Industry
Eligibility
10 Years and older
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
17
States / cities
Los Angeles, California • San Francisco, California • Torrance, California + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 23, 2026, 3:27 PM EDT
Completed No phase listed Observational

Reproductive Health in Men and Women With Vasculitis

NCT02176070
View directory record Official record
Conditions
Giant Cell Arteritis, Takayasu's Arteritis, Polyarteritis Nodosa, Wegener's Granulomatosis, Microscopic Polyangiitis, Churg-Strauss Syndrome, Behcet's Disease, Kawasaki Disease, Henoch-schoenlein Purpura, Vasculitis, Central Nervous System, Drug-induced Necrotizing Vasculitis
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
467 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jun 25, 2014 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 4 Interventional Results available

Collection of Blood Samples From Patients With Relapsing MS Who Developed ITP After Receiving Lemtrada

NCT03784898
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Blood draw for future biomarker analysis
Other
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 3 Interventional Results available

IGIV Study for Chronic ITP Patients Ages 3-70

NCT00511147
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
IGIV3I Grifols 10%
Biological
Lead sponsor
Grifols Biologicals, LLC
Industry
Eligibility
3 Years to 70 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
31
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2017 · Synced Sep 23, 2026, 3:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Extended Platelet Parameters as a Means to Differentiate Immune Thrombocytopenia From Hypo-proliferative Thrombocytopenias.

NCT01933035
View directory record Official record
Conditions
Immune Thrombocytopenia, Chemotherapy Induced Thrombocytopenia, Myelodysplasia, Aplastic Anaemia
Interventions
Immune Thrombocytopenics, Hypo-proliferative thrombocytopenics, Control Population
Other
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 16, 2016 · Synced Sep 23, 2026, 3:27 PM EDT
Terminated Phase 1Phase 2 Interventional

PRTX-100-202 Open-Label, Dose Escalation Study in Adult Patients With ITP

NCT02401061
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
PRTX-100
Drug
Lead sponsor
Protalex, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
6
States / cities
Los Angeles, California • Boston, Massachusetts • Farmington Hills, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 23, 2026, 3:27 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating the Effectiveness of Adding Rituximab to Standard Treatment for Thrombotic Thrombocytopenic Purpura (TTP)

NCT00799773
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Rituximab, Plasma exchange, Corticosteroids
Drug · Procedure
Lead sponsor
Carelon Research
Other
Eligibility
12 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
23
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2013 · Synced Sep 23, 2026, 3:27 PM EDT
Recruiting Phase 2 Interventional

A Randomized Multicenter Study for Isolated Skin Vasculitis

NCT02939573
View directory record Official record
Conditions
Primary Cutaneous Vasculitis, Cutaneous Polyarteritis Nodosa, IgA Vasculitis, Henoch-Schönlein Purpura
Interventions
Colchicine, Dapsone, Azathioprine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
12
States / cities
Kansas City, Kansas • Boston, Massachusetts • Rochester, Minnesota + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 23, 2026, 3:27 PM EDT
Terminated No phase listed Observational

A Chart Review of Rituximab Plus Repeated Cycles of Dexamethasone

NCT02050581
View directory record Official record
Conditions
Idiopathic Thrombocytopenia Purpura
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2018 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 2 Interventional Results available

Low Dose Rituximab in Thrombotic Thrombocytopenic Purpura

NCT01554514
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
rituximab
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2021 · Synced Sep 23, 2026, 3:27 PM EDT
Recruiting Phase 3 Interventional

A Follow-up Study of Mezagitamab in Adults With Chronic Primary Immune Thrombocytopenia

NCT06948318
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura (ITP)
Interventions
Mezagitamab
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
25
States / cities
Hot Springs, Arkansas • Los Angeles, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 2 Interventional

Phase II Study of High-Dose Cyclophosphamide in Patients With Severe Autoimmune Hematologic Disease

NCT00010387
View directory record Official record
Conditions
Anemia, Hemolytic, Autoimmune, Felty Syndrome, Purpura, Thrombocytopenic, Autoimmune Diseases
Interventions
cyclophosphamide, filgrastim
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2008 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 3 Interventional

Safety and Efficacy Study of a 10% Intravenous Immune Globulin Solution in Subjects With Primary Immunodeficiency Disorders

NCT00157079
View directory record Official record
Conditions
Primary Immunodeficiency Diseases (PID), Immune Thrombocytopenic Purpura (ITP), Kawasaki Syndrome
Interventions
Immune Globulin Intravenous (Human), 10%
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
24 Months and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
11
States / cities
Los Angeles, California • Stanford, California • Englewood, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Sep 23, 2026, 3:27 PM EDT
Terminated Phase 2 Interventional Results available

An Open-label Safety Study of Lusutrombopag (S-888711) in Adults With Chronic Immune Thrombocytopenia (ITP)

NCT01129024
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Lusutrombopag
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
19
States / cities
Anaheim, California • Los Angeles, California • Washington D.C., District of Columbia + 15 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2021 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 1Phase 2 Interventional

An Open-label Study of Povetacicept in Participants With Autoimmune Cytopenias (RUBY-4)

NCT05757570
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura, Immune Thrombocytopenia, Warm Autoimmune Hemolytic Anemia, Cold Agglutinin Disease
Interventions
Povetacicept
Drug
Lead sponsor
Alpine Immune Sciences Inc, A Subsidiary of Vertex
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
15
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Cooper City, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Eltrombopag Taste Testing in Healthy Adult Volunteers

NCT00487968
View directory record Official record
Conditions
Healthy Subjects, Purpura, Thrombocytopenic, Idiopathic
Interventions
eltrombopag
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 18, 2012 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 2 Interventional

Daclizumab to Treat Chronic Immune Thrombocytopenia

NCT00049725
View directory record Official record
Conditions
Thrombocytopenia
Interventions
Daclizumab
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Higher Dose of Rituxan Versus Standard Doses of Rituxan With Cyclophosphamide, Vincristine, and Prednisone in Subjects With Chronic ITP

NCT00774202
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Rituxan, Cyclophosphamide, Vincristine, Prednisone, Higher Dose of Rituximab
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
12 Years to 100 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 3 Interventional Results available

Caplacizumab and Immunosuppressive Therapy Without Firstline Therapeutic Plasma Exchange in Adults With Immune-mediated Thrombotic Thrombocytopenic Purpura

NCT05468320
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Caplacizumab, Corticosteroids, anti-CD20 antibody
Drug · Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 80 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
4
States / cities
Birmingham, Alabama • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 23, 2026, 3:27 PM EDT
Terminated Phase 2 Interventional Results available

Using Fostamatinib to Treat Post-Hematopoietic Stem Cell Transplant Immune-mediated Cytopenias

NCT05502783
View directory record Official record
Conditions
Immune Mediated Anemia, Immune Mediated Thrombocytopenia, Chronic GVHD
Interventions
fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety Study of Eltrombopag in Pediatric Patients With Thrombocytopenia From Chronic Idiopathic Thrombocytopenic Purpura (ITP)

NCT00908037
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
eltrombopag, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
1 Year to 17 Years
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
18
States / cities
Phoenix, Arizona • Orange, California • Jacksonville, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 3 Interventional Results available

A Efficacy and Safety Study of R935788 in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)

NCT02076399
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced Sep 23, 2026, 3:27 PM EDT
Completed Phase 3 Interventional Results available

Follow-up Study for Patients Who Completed Study ALX0681-C301 (Post-HERCULES)

NCT02878603
View directory record Official record
Conditions
Acquired Thrombotic Thrombocytopenic Purpura
Interventions
Caplacizumab, Standard of Care
Biological · Other
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
8
States / cities
St Louis, Missouri • Valhalla, New York • Durham, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Sep 23, 2026, 3:27 PM EDT