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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Blood Platelet Disorders Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

The Genetics and Functional Basis of Inherited Platelet, White Blood Cell, Red Blood Cell, and Blood Clotting Disorders.

NCT00230165
View directory record Official record
Conditions
Glanzmann Thrombasthenia
Interventions
Not listed
Lead sponsor
Rockefeller University
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2025 · Synced Jul 22, 2026, 2:19 AM EDT
Recruiting No phase listed Observational

Study of Ultomiris® (Ravulizumab) Safety in Pregnancy

NCT06312644
View directory record Official record
Conditions
Ultomiris-exposed Pregnant/ Postpartum, Pregnancy, Paroxysmal Nocturnal Hemoglobinuria (PNH), Atypical Hemolytic Uremic Syndrome (aHUS), Generalized Myasthenia Gravis (gMG), Neuromyelitis Optica Spectrum Disorder (NMOSD)
Interventions
Ultomiris
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Female only
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2034
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 22, 2026, 2:19 AM 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 Jul 22, 2026, 2:19 AM 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 Jul 22, 2026, 2:19 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Sirolimus for Autoimmune Disease of Blood Cells

NCT00392951
View directory record Official record
Conditions
Autoimmune Pancytopenia, Autoimmune Lymphoproliferative Syndrome (ALPS), Evans Syndrome, Idiopathic Thrombocytopenic Purpura, Anemia, Hemolytic, Autoimmune, Autoimmune Neutropenia, Lupus Erythematosus, Systemic, Inflammatory Bowel Disease, Rheumatoid Arthritis
Interventions
sirolimus
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
1 Year to 30 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Jul 22, 2026, 2:19 AM EDT
Active, not recruiting Phase 4 Interventional

Safety and Efficacy of Collagenase Clostridium Histolyticum After Prior Intralesional PRP for Peyronie's Disease

NCT05777031
View directory record Official record
Conditions
Peyronie Disease, Sexual Dysfunctions, Psychological, Genital Diseases, Male
Interventions
Collagenase Clostridium Histolyticum (CCH)
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 75 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated Phase 3 Interventional

Strategies for Transfusion of Platelets (SToP)

NCT00420914
View directory record Official record
Conditions
Thrombocytopenia
Interventions
low dose of 2.25 x 10^11 platelets/transfusion (range 1.5 to 2.9)
Procedure
Lead sponsor
Hamilton Health Sciences Corporation
Other
Eligibility
17 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
2
States / cities
Los Angeles, California • Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 27, 2008 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers

Comparing Fresh Random Platelets and Autologous Cryopreserved Thrombosol Treated Autologous Platelets

NCT00074763
View directory record Official record
Conditions
Leukemia, Lymphoma
Interventions
Platelet Transfusion
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Jul 22, 2026, 2:19 AM EDT
Completed No phase listed Observational

Antenatal Platelet Response On Aspirin and Correlation With HDP (Hypertensive Disorders of Pregnancy)

NCT04295850
View directory record Official record
Conditions
Preeclampsia
Interventions
Aspirin 81 mg
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years to 60 Years · Female only
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 22, 2026, 2:19 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Platelet Rich Plasma Injections In Young And Old Human Subjects

NCT06451120
View directory record Official record
Conditions
Osteoarthritis, Articular Cartilage, Musculoskeletal Disorders
Interventions
Platelet-Rich Plasma (PRP) Injections, Centrifuge, Control saline injection
Drug · Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated Phase 2 Interventional Results available

Fostamatinib as a Single Agent or in Combination With Ruxolitinib for Treatment of Patients With Myelofibrosis With Severe Thrombocytopenia

NCT04543279
View directory record Official record
Conditions
Myelofibrosis, Thrombocytopenia
Interventions
Fostamatinib, Ruxolitinib
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Jul 22, 2026, 2:19 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Chronic Kidney Disease (CKD) Platelet Study

NCT03649711
View directory record Official record
Conditions
Chronic Kidney Diseases, Heart Attack, Stroke, Ischemic
Interventions
Ticagrelor 90mg, Clopidogrel 75mg, Aspirin 81 mg
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 91 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 28, 2022 · Synced Jul 22, 2026, 2:19 AM 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 Jul 22, 2026, 2:19 AM 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 Jul 22, 2026, 2:19 AM EDT
Terminated Phase 4 Interventional Results available

Effects of Evolocumab on Platelet Reactivity in Patients With Diabetes Mellitus

NCT03258281
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Dyslipidemia Associated With Type II Diabetes Mellitus, Percutaneous Coronary Intervention
Interventions
Evolocumab, Placebo
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
Not listed
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Falls Church, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Jul 22, 2026, 2:19 AM EDT
Not listed Phase 2 Interventional

Efficacy and Safety of Pirfenidone Treatment in HPS-ILD

NCT04193592
View directory record Official record
Conditions
Hermansky Pudlak Syndrome, Interstitial Lung Disease
Interventions
Pirfenidone
Drug
Lead sponsor
Jesse Roman
Other
Eligibility
18 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Jul 22, 2026, 2:19 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study for Solid Tumor Patients Treated With Eltrombopag

NCT01147809
View directory record Official record
Conditions
Thrombocytopaenia
Interventions
Eltrombopag olamine, Placebo
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
33
States / cities
Sedona, Arizona • Hot Springs, Arkansas • Rancho Cucamonga, California + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2016 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Thrombocytopenia and Bleeding in Wiskott-Aldrich Syndrome (WAS) Patients

NCT00909363
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome, Thrombocytopenia, Bleeding
Interventions
Promacta, blood drawing in patients with WAS, blood drawing in healthy controls
Drug · Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Months to 80 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Jul 22, 2026, 2:19 AM EDT
Withdrawn Phase 2 Interventional

Efficacy Study of a TXA127 to Reduce Graft-vs-Host Disease in Subjects Undergoing Allogeneic Peripheral Blood Stem Cell Transplantation

NCT01882387
View directory record Official record
Conditions
Hematologic Malignancies
Interventions
TXA127
Drug
Lead sponsor
Tarix Pharmaceuticals
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
2
States / cities
Atlanta, Georgia • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Jul 22, 2026, 2:19 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Mechanisms for Activation of Beige Adipose Tissue in Humans

NCT04666636
View directory record Official record
Conditions
PreDiabetes
Interventions
Placebo, Mirabegron, Mirabegron 50 MG, Mirabegron 100 mg
Drug
Lead sponsor
Philip Kern
Other
Eligibility
35 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated Phase 2 Interventional Results available

Eltrombopag for Thrombocytopenia in Patients With Relapsed Multiple Myeloma

NCT01484314
View directory record Official record
Conditions
Thrombocytopenia, Multiple Myeloma
Interventions
Eltrombopag
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Jul 22, 2026, 2:19 AM EDT
Terminated No phase listed Observational Results available

Evaluating the Presence of Blood Clots in People With Heparin-Induced Thrombocytopenia (HIT) (The HOT Study)

NCT00594685
View directory record Official record
Conditions
Thrombocytopenia
Interventions
Not listed
Lead sponsor
Carelon Research
Other
Eligibility
6 Months and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
21
States / cities
Atlanta, Georgia • Iowa City, Iowa • New Orleans, Louisiana + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2013 · Synced Jul 22, 2026, 2:19 AM EDT
Active, not recruiting Phase 3 Interventional

Study of Ianalumab Versus Placebo in Addition to First-line Corticosteroids in Primary Immune Thrombocytopenia (ITP)

NCT05653349
View directory record Official record
Conditions
Primary Immune Thrombocytopenia (ITP)
Interventions
Ianalumab, Placebo, Corticosteroids
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
20
States / cities
Yuma, Arizona • Clovis, California • Fountain Valley, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2026 · Synced Jul 22, 2026, 2:19 AM EDT
Completed Phase 1 Interventional Results available

Thrombosomes® in Bleeding Thrombocytopenic Patients

NCT03394755
View directory record Official record
Conditions
Thrombocytopenia, Hematologic Diseases, Bone Marrow Aplasia
Interventions
Thrombosomes
Biological
Lead sponsor
Cellphire Therapeutics, Inc.
Industry
Eligibility
18 Years to 74 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
6
States / cities
Duarte, California • Washington D.C., District of Columbia • Ann Arbor, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Jul 22, 2026, 2:19 AM EDT