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Showing 1–24 of 374 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Thrombocytopenia Clear all
Recruiting No phase listed Observational

The Neonatal Hemorrhagic Risk Assessment in Thrombocytopenia

NCT04598750
View directory record Official record
Conditions
Neonatal Thrombocytopenia, Bleeding
Interventions
Not listed
Lead sponsor
Karolinska Institutet
Other
Eligibility
1 Day and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Boston, Massachusetts • Murray, Utah • Provo, Utah
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 2 Interventional Results available

Extended Dosing With Eltrombopag for Severe Aplastic Anemia

NCT01891994
View directory record Official record
Conditions
Severe Aplastic Anemia (SAA)
Interventions
Eltrombopag
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
2 Years to 100 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 2 Interventional Results available

Study to Assess Efficacy and Safety of NS-018 Compared to BAT in Patients With Myelofibrosis

NCT04854096
View directory record Official record
Conditions
Primary Myelofibrosis, Post-essential Thrombocythemia Myelofibrosis, Post-polycythemia Vera Myelofibrosis
Interventions
NS-018, Best Available Therapy
Drug
Lead sponsor
NS Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Worcester, Massachusetts • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 2 Interventional Results available

A Study to Compare Vincristine to Sirolimus for Treatment of High Risk Vascular Tumors

NCT02110069
View directory record Official record
Conditions
Kaposiform Hemangioendothelioma (KHE), Kasabach-Merritt Syndrome, Tufted Angioma
Interventions
Vincristine, Sirolimus
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 31 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
7
States / cities
Palo Alto, California • Atlanta, Georgia • Baltimore, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 16, 2026, 9:08 PM EDT
Completed No phase listed Observational

Complement (C1q) Binding to HLA Antibodies in a Solid-phase Immunoassay and Clinical Effect on Platelet Transfusion

NCT02858323
View directory record Official record
Conditions
Thrombocytopenia, Platelet Transfusion Refractoriness
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
3 Years to 80 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 16, 2026, 9:08 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 16, 2026, 9:08 PM EDT
Completed No phase listed Observational

Transfusing Neonates Based on Platelet Mass

NCT00759980
View directory record Official record
Conditions
Thrombocytopenia
Interventions
Not listed
Lead sponsor
Christiana Care Health Services
Other
Eligibility
Up to 12 Months
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
4
States / cities
Newark, Delaware • Wilmington, Delaware • Abington, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2011 · Synced Sep 16, 2026, 9:08 PM EDT
Active, not recruiting Phase 3 Interventional

A Phase 3 Study to Evaluate the Safety and Efficacy of Efgartigimod PH20 Subcutaneous in Adult Patients With Primary Immune Thrombocytopenia

NCT04812925
View directory record Official record
Conditions
Primary Immune Thrombocytopenia
Interventions
efgartigimod PH20 SC
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
5
States / cities
Bentonville, Arkansas • Washington D.C., District of Columbia • Fort Wayne, Indiana + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 1 Interventional

Eltrombopag in Myelodysplastic Syndrome (MDS) Patients With Thrombocytopenia

NCT01286038
View directory record Official record
Conditions
Myelodysplastic Syndrome (MDS), Thrombocytopenia
Interventions
Eltrombopag
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Eltrombopag Olamine in Treating Thrombocytopenia in Patients With Chronic Myeloid Leukemia or Myelofibrosis Receiving Tyrosine Kinase Therapy

NCT01428635
View directory record Official record
Conditions
Accelerated Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Blast Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Chronic Phase Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Primary Myelofibrosis, Thrombocytopenia
Interventions
Eltrombopag Olamine
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Study Comparing Desirudin With Heparin to Prevent Vein Clots After Heart and Lung Surgery

NCT00329433
View directory record Official record
Conditions
Deep Venous Thrombosis
Interventions
Desirudin (Iprivask™), Heparin
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 4, 2019 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 1 Interventional

Interleukin-2 Treatment for Wiskott-Aldrich Syndrome

NCT00774358
View directory record Official record
Conditions
Wiskott-Aldrich Syndrome (WAS), X-linked Thrombocytopenia
Interventions
Interleukin-2
Drug
Lead sponsor
Soma Jyonouchi
Other
Eligibility
24 Months and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 3 Interventional Results available

Eltrombopag To Reduce The Need For Platelet Transfusion In Subjects With Chronic Liver Disease And Thrombocytopenia Undergoing Elective Invasive Procedures

NCT00678587
View directory record Official record
Conditions
Non-alcoholic Steatohepatitis, Chronic Liver Disease, HCV, NASH - Nonalcoholic Steatohepatitis, HIV Infection, Thrombocytopenia, Hepatitis C Virus, HBV, Human Immunodeficiency Virus, Liver Diseases, Hepatitis B Virus
Interventions
Eltrombopag, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
33
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Little Rock, Arkansas + 28 more
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 2 Interventional Results available

Management of Platelet Transfusion Therapy in Patients With Blood Cancer or Treatment-Induced Thrombocytopenia

NCT03195010
View directory record Official record
Conditions
Acute Biphenotypic Leukemia, Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, B-Cell Non-Hodgkin Lymphoma, Chronic Lymphocytic Leukemia, Chronic Myelogenous Leukemia, BCR-ABL1 Positive, Hematologic and Lymphocytic Disorder, Hematopoietic Cell Transplantation Recipient, Myelodysplastic Syndrome, Primary Myelofibrosis, Secondary Myelofibrosis, T-Cell Non-Hodgkin Lymphoma, Thrombocytopenia, Venous Thromboembolism
Interventions
Platelet Transfusion
Biological
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Sep 16, 2026, 9:08 PM EDT
Recruiting Phase 2 Interventional

MT2023-20: Hematopoietic Cell Transplant With Reduced Intensity Conditioning and Post-transplant Cyclophosphamide for Severe Aplastic Anemia and Other Forms of Acquired Bone Marrow Failure.

NCT06412497
View directory record Official record
Conditions
Severe Aplastic Anemia, Acquired Amegakaryocytic Thrombocytopenia, Acquired Pure Red Cell Aplasia, Paroxysmal Nocturnal Hemoglobinuria
Interventions
Rituximab, Rabbit ATG, Cyclophosphamide, Fludarabine, Total Body Irradiation, Cell Infusion, Post-Transplant G-CSF, Tacrolimus, Mycophenolate Mofetil
Drug · Radiation · Biological
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
0 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2036
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 16, 2026, 9:08 PM EDT
Recruiting Phase 2 Interventional

Efficacy and Safety Study of Narsoplimab in Pediatric Patients With High-Risk Hematopoietic Stem Cell Transplant TMA

NCT05855083
View directory record Official record
Conditions
Thrombotic Microangiopathies, Hematopoietic Stem Cell Transplantation
Interventions
Biological: narsoplimab
Drug
Lead sponsor
Omeros Corporation
Industry
Eligibility
28 Days to 17 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
8
States / cities
San Diego, California • Gainesville, Florida • Boston, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 16, 2026, 9:08 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 16, 2026, 9:08 PM 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 Sep 16, 2026, 9:08 PM EDT
Not listed No phase listed Observational

National Vaccine Adverse Event Reporting Survey and Etiology

NCT05095844
View directory record Official record
Conditions
COVID-19, Vaccine Adverse Reaction, Vaccine Reaction, Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use, Corona Virus Infection, Blood Clot, Thrombocytopenia, Neuritis, Vasculitis, Influenza, Guillain-Barré, GWAS, Genetic Sequencing
Interventions
vaccinated
Biological
Lead sponsor
Neuroganics LLC
Industry
Eligibility
5 Years to 99 Years
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Northglenn, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 2 Interventional

Thrombosomes® in Bleeding Thrombocytopenic Patients Study

NCT04631211
View directory record Official record
Conditions
Thrombocytopenia, Hematologic Malignancy, Bone Marrow Aplasia, Myeloproliferative Disorders, Myelodysplastic Syndromes, Platelet Refractoriness
Interventions
Thrombosomes, Liquid Stored Platelets (LSP)
Biological
Lead sponsor
Cellphire Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Duarte, California • Washington D.C., District of Columbia • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy and Safety of Apixaban in the Treatment of Heparin Induced Thrombocytopenia (HIT)

NCT03594045
View directory record Official record
Conditions
Heparin-induced Thrombocytopenia, Heparin-induced Thrombocytopenia and Thrombosis
Interventions
Apixaban
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 2 Interventional Results available

Eculizumab to Treat Thrombotic Microangiopathy/Atypical Hemolytic Uremic Syndrome -Associated Multiple Organ Dysfunction Syndrome in Hematopoietic Stem Cell Transplant Recipients

NCT03518203
View directory record Official record
Conditions
Thrombotic Microangiopathies, Atypical Hemolytic Uremic Syndrome, Multiple Organ Dysfunction Syndrome
Interventions
Eculizumab
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
3
States / cities
Los Angeles, California • Cincinnati, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 16, 2026, 9:08 PM EDT
Terminated Phase 1Phase 2 Interventional

Study of Veltuzumab (hA20) at Different Doses in Patients With ITP

NCT00547066
View directory record Official record
Conditions
Purpura, Thrombocytopenic, Idiopathic, Autoimmune Thrombocytopenic Purpura, Purpura, Thrombocytopenic, Autoimmune
Interventions
veltuzumab
Biological
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
8
States / cities
Los Angeles, California • Riverdale, Georgia • Tucker, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2021 · Synced Sep 16, 2026, 9:08 PM EDT
Completed Phase 3 Interventional Results available

American Trial Using Tranexamic Acid in Thrombocytopenia

NCT02578901
View directory record Official record
Conditions
Thrombocytopenia
Interventions
Tranexamic Acid, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Chapel Hill, North Carolina • Pittsburgh, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Sep 16, 2026, 9:08 PM EDT