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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Thrombotic Thrombocytopenic Purpura Clear all
Completed Early Phase 1 Interventional

Rituximab and Prednisone as First-Line Therapy in Treating Patients With Immune Thrombocytopenic Purpura

NCT00486421
View directory record Official record
Conditions
Nonneoplastic Condition
Interventions
Rituximab, Prednisone
Biological · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 16, 2014 · Synced Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Cognitive Status, Fatigue and Inflammation in Patients With Immune Thrombocytopenia (ITP)

NCT06665308
View directory record Official record
Conditions
Chronic Immune Thrombocytopenia, Primary Immune Thrombocytopenia, Adult Immune Thrombocytopenia
Interventions
No intervention
Other
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
3
States / cities
Los Angeles, California • Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 2 Interventional Results available

Pilot Study of Fostamatinib Disodium/R935788 for the Treatment of Adult Refractory Immune Thrombocytopenic Purpura (ITP)

NCT00706342
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 3 Interventional Results available

Long-term Study of Romiplostim in Thrombocytopenic Pediatric Patients With Immune Thrombocytopenia (ITP)

NCT02279173
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Romiplostim
Drug
Lead sponsor
Amgen
Industry
Eligibility
1 Year to 18 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
16
States / cities
Roseville, California • Atlanta, Georgia • Chicago, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 1 Interventional Results available

Multiple Rising Does Study (Subcutaneous Doses) of BI 655064 in Male and Female Patients With Chronic Primary Immune Thrombocytopenic Purpura (ITP).

NCT02009761
View directory record Official record
Conditions
Purpura, Thrombocytopenic, Idiopathic
Interventions
BI 655064
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Los Angeles, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 23, 2026, 3:37 PM EDT
Completed Phase 2 Interventional Results available

Study of rADAMTS-13 (SHP655) in the Treatment of Participants With Acquired Thrombotic Thrombocytopenic Purpura (aTTP)

NCT03922308
View directory record Official record
Conditions
Acquired Thrombotic Thrombocytopenic Purpura (aTTP)
Interventions
Placebo, SHP655, Standard of Care
Other · Drug
Lead sponsor
Shire
Industry
Eligibility
18 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
7
States / cities
Birmingham, Alabama • Boston, Massachusetts • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Jul 23, 2026, 3:37 PM EDT
Recruiting Phase 3 Interventional

A Study of Mezagitamab in Adults With Chronic Primary Immune Thrombocytopenia

NCT06722235
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura (ITP)
Interventions
Mezagitamab, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
18
States / cities
Los Angeles, California • Denver, Colorado • Washington D.C., District of Columbia + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated Phase 2 Interventional Results available

A Study to Investigate the Efficacy and Safety of Lusutrombopag (S-888711) Tablets Administered to Adults With Immune Thrombocytopenia (ITP)

NCT01054443
View directory record Official record
Conditions
Immune Thrombocytopenia (ITP)
Interventions
Placebo, Lusutrombopag
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
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 Mar 17, 2021 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT
Recruiting Phase 1 Interventional

Dose Dense Rituximab for High Risk Newly Diagnosed Acute Immune Thrombocytopenic Purpura

NCT04323748
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
rituxan
Drug
Lead sponsor
New York Medical College
Other
Eligibility
1 Year to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Vahalla, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

ICON1: Treatment Decisions and Outcomes in Pediatric Refractory ITP

NCT01971684
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Second Line ITP agents
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Year to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
26
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 22 more
Source: ClinicalTrials.gov public record
Updated May 20, 2020 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT
Withdrawn Phase 2 Interventional

A Phase 2 Study to Evaluate the Safety and Efficacy of KZR-616 in Patients With AIHA and ITP

NCT04039477
View directory record Official record
Conditions
Autoimmune Hemolytic Anemia, Immune Thrombocytopenia
Interventions
KZR-616
Drug
Lead sponsor
Kezar Life Sciences, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
15
States / cities
Los Angeles, California • San Francisco, California • Jacksonville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT
Recruiting Phase 3 Interventional

A Study Investigating Intravenous Human Normal Immunoglobulin 10% in Adults With Chronic Immune Thrombocytopenia (ITP)

NCT07059000
View directory record Official record
Conditions
Chronic Primary Immune Thrombocytopenia (ITP)
Interventions
Kedrion IVIG 10%
Biological
Lead sponsor
Kedrion S.p.A.
Industry
Eligibility
18 Years to 70 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Los Angeles, California • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 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
17
States / cities
Los Angeles, California • Denver, Colorado • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 23, 2026, 3:37 PM EDT
Terminated No phase listed Observational

Observational Study of Fostamatinib as Second Line Therapy in Adult Patients With Immune Thrombocytopenia (ITP) and Insufficient Response to a Prior Therapy

NCT04904276
View directory record Official record
Conditions
ITP, Immune Thrombocytopenia
Interventions
Fostamatinib
Drug
Lead sponsor
Rigel Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
14
States / cities
Tamarac, Florida • Springfield, Illinois • Kansas City, Kansas + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2024 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT
Completed No phase listed Observational

Genome-Wide Gene Expression Profiling of Patients With ITP Receiving Thrombopoietin Mimetics

NCT01727999
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Stanford, California • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Jul 23, 2026, 3:37 PM EDT
Withdrawn No phase listed Observational

The Role of Microparticles as a Biomarker

NCT02626663
View directory record Official record
Conditions
Atypical Hemolytic Uremic Syndrome, Thrombotic Thrombocytopenic Purpura, Microparticles, Microangiopathic Hemolytic Anemia
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2019 · Synced Jul 23, 2026, 3:37 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 Jul 23, 2026, 3:37 PM EDT