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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Recruiting Phase 1Phase 2 Interventional

A Study of Pirtobrutinib in Participants With Immune Thrombocytopenia

NCT06721013
View directory record Official record
Conditions
Immune Thrombocytopenia (ITP)
Interventions
Pirtobrutinib, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
10
States / cities
Los Angeles, California • Palo Alto, California • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 27, 2026, 9:34 PM EDT
Terminated Phase 2 Interventional

Clinical Outcome Study of ARC1779 Injection in Patients With Thrombotic Microangiopathy

NCT00726544
View directory record Official record
Conditions
Thrombotic Microangiopathy, Thrombotic Thrombocytopenic Purpura
Interventions
ARC 1779 Placebo, ARC1779 Injection
Drug
Lead sponsor
Archemix Corp.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
Chicago, Illinois • Indianapolis, Indiana • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2009 · Synced Sep 27, 2026, 9:34 PM EDT
Recruiting Phase 2 Interventional

A Study to Assess the Tolerability of Ianalumab (VAY736) With Investigator's Choice Thrombopoietin Receptor Agonist (IC TPO-RA) in Patients With Primary Immune Thrombocytopenia (ITP)

NCT07421167
View directory record Official record
Conditions
Primary Immune Thrombocytopenia (ITP), Primary Evans Syndrome (ES)
Interventions
ianalumab, thrombopoietin receptor agonist (TPO-RA)
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
13
States / cities
Fayetteville, Arkansas • Stamford, Connecticut • Jacksonville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 2 Interventional

Phase II Study of Rituximab in Patients With Immune Thrombocytopenic Purpura

NCT00005652
View directory record Official record
Conditions
Purpura, Thrombocytopenic, Idiopathic
Interventions
rituximab
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 8, 2008 · Synced Sep 27, 2026, 9:34 PM EDT
Completed No phase listed Observational

Educational Needs of Patients With Systemic Vasculitis

NCT02190929
View directory record Official record
Conditions
Behcet's Disease, Churg-Strauss Syndrome, Vasculitis, Central Nervous System, Giant Cell Arteritis, Wegener Granulomatosis, Henoch-Schoenlein Purpura, Microscopic Polyangiitis, Polyarteritis Nodosa, Takayasu's Arteritis
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 14, 2014 · Synced Sep 27, 2026, 9:34 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 27, 2026, 9:34 PM EDT
Completed Early Phase 1 Interventional

A Pilot Study of N-acetylcysteine in Thrombotic Thrombocytopenia Purpura

NCT01808521
View directory record Official record
Conditions
Purpura, Thrombotic Thrombocytopenic, TTP
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Bloodworks
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 19, 2017 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 4 Interventional Results available

Safety and Treatment Satisfaction in Adults With Chronic ITP After Switching to Avatrombopag From Eltrombopag or Romiplostim

NCT04638829
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Avatrombopag Oral Tablet
Drug
Lead sponsor
Sobi, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Tucson, Arizona • Whittier, California • Washington D.C., District of Columbia + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 3 Interventional Results available

A Study to Find How Safe and Effective GAMMAPLEX® is in Subjects With Chronic Idiopathic Thrombocytopenic Purpura (ITP)

NCT00504075
View directory record Official record
Conditions
Chronic Idiopathic Thrombocytopenic Purpura
Interventions
Gammaplex, intravenous immunoglobulin
Biological
Lead sponsor
Bio Products Laboratory
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
7
States / cities
Orange City, Florida • Chicago, Illinois • Bethesda, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2013 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 2 Interventional Results available

Study of AKR-501 Tablets Taken Orally Once Daily for 28 Days in Patients With Chronic Idiopathic Thrombocytopenic Purpura (ITP)

NCT00441090
View directory record Official record
Conditions
Chronic Idiopathic Thrombocytopenic Purpura, Purpura, Thrombocytopenic, Idiopathic
Interventions
Placebo, Avatrombopag tablets
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
25
States / cities
Anaheim, California • Bakersfield, California • Concord, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2018 · Synced Sep 27, 2026, 9:34 PM EDT
Completed No phase listed Observational

A Real World Study of Treatment Patterns and Effectiveness of Standard of Care in Primary Immune Thrombocytopenia Patients

NCT07805408
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
3,714 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 3 Interventional Results available

Study of Cyclosporine or Corticosteroids as an Adjunct to Plasma Exchange in Thrombotic Thrombocytopenic Purpura (TTP)

NCT00713193
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Cyclosporine, Prednisone
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 27, 2026, 9:34 PM EDT
Completed No phase listed Observational

Prospective Psychometric Evaluation Study of a Patient-reported Outcomes (PRO) Instrument for Congenital Thrombotic Thrombocytopenic Purpura (cTTP, Upshaw-Schulman Syndrome [USS], Hereditary Thrombotic Thrombocytopenic Purpura [hTTP]

NCT03519672
View directory record Official record
Conditions
Congenital Thrombotic Thrombocytopenic Purpura
Interventions
No intervention
Other
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
12 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Atlanta, Georgia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Relative Bioavailibilty for Pediatric Powder for Suspension (PfOS) Formulation and Food Effect

NCT01072162
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
Eltrombopag
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Sep 27, 2026, 9:34 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 27, 2026, 9:34 PM EDT
Completed Phase 4 Interventional Results available

A Longitudinal 2-year Bone Marrow Study of Eltrombopag in Previously Treated Adults, With Chronic Immune (Idiopathic) Thrombocytopenic Purpura (ITP)

NCT01098487
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
Eltrombopag olamine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2015 · Synced Sep 27, 2026, 9:34 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 27, 2026, 9:34 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 27, 2026, 9:34 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

A Pilot Study to Evaluate The Efficacy of Adapalene 0.3% for Use in the Prevention and Treatment of Senile Purpura

NCT01485367
View directory record Official record
Conditions
Senile Purpura
Interventions
adapalene gel 0.3%
Drug
Lead sponsor
Multispecialty Aesthetic Clinical Research Organization
Other
Eligibility
52 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Woodland Hills, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2012 · Synced Sep 27, 2026, 9:34 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Eltrombopag and the Bcl-extra-large (xL) Pathway in Idiopathic Thrombocytopenic Purpura (ITP)

NCT00902018
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Eltrombopag, Romiplostim, healthy controls
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Sep 27, 2026, 9:34 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 27, 2026, 9:34 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 27, 2026, 9:34 PM EDT
Completed Phase 2 Interventional

Open Label Trial on the Safety and Efficacy of Sym001 in the Treatment of Immune Thrombocytopenic Purpura (ITP)

NCT00718692
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Sym001
Drug
Lead sponsor
Symphogen A/S
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Omaha, Nebraska • Philadelphia, Pennsylvania • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 27, 2026, 9:34 PM EDT
Terminated Phase 2 Interventional

A Phase 2 Study of VLX-1005 Versus Placebo in Suspected Heparin Induced Thrombocytopenia

NCT05785819
View directory record Official record
Conditions
Thrombocytopenia, Immune, Heparin Induced Thrombocytopenia
Interventions
VLX-1005, Placebo
Drug
Lead sponsor
Veralox Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
14
States / cities
Stanford, California • Aurora, Colorado • New Haven, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Sep 27, 2026, 9:34 PM EDT