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ClinicalTrials.gov public records Last synced Oct 8, 2026, 5:07 PM EDT

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Showing 25–48 of 135 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Thrombotic Thrombocytopenic Purpura Clear all
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 14, 2026 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 2 Interventional

Oral LGD-4665 Versus Placebo in Adults With Immune Thrombocytopenic Purpura (ITP) for 6 Weeks Plus Open Treatment Continuation

NCT00621894
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
LGD-4665, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
15
States / cities
San Diego, California • San Francisco, California • Manchester, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 3 Interventional Results available

Eltrombopag vs Standard Front Line Management for Newly Diagnosed Immune Thrombocytopenia (ITP) in Children

NCT03939637
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Eltrombopag, Steroids, IVIG, Rho(D) Immune Globulin
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Year to 18 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
27
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 8, 2026, 5:07 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 18, 2019 · Synced Oct 8, 2026, 5:07 PM EDT
Active, not recruiting Phase 2 Interventional

A Study of Ianalumab (VAY736) in Patients With Primary Immune Thrombocytopenia (ITP) Previously Treated With at Least Two Lines of Therapies

NCT05885555
View directory record Official record
Conditions
Primary Immune Thrombocytopenia (ITP)
Interventions
Ianalumab
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 8, 2026, 5:07 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 Sep 23, 2026 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of Eltrombopag and Cyclosporine in Healthy Subjects

NCT02281370
View directory record Official record
Conditions
Purpura, Thrombocytopenic, Idiopathic
Interventions
Eltrombopag, Cyclosporine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 13, 2017 · Synced Oct 8, 2026, 5:07 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 26, 2026 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 2 Interventional Results available

Study to Assess Efficacy and Safety of Anti-von Willebrand Factor (vWF) Nanobody in Patients With Acquired Thrombotic Thrombocytopenic Purpura (aTTP)

NCT01151423
View directory record Official record
Conditions
Acquired Thrombotic Thrombocytopenic Purpura
Interventions
Caplacizumab, Placebo
Biological
Lead sponsor
Ablynx, a Sanofi company
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
13
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2023 · Synced Oct 8, 2026, 5:07 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 24, 2021 · Synced Oct 8, 2026, 5:07 PM EDT
Terminated No phase listed Observational

Octaplas Adult TTP Trial

NCT01938404
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Octaplas, Standard Plasma
Biological · Drug
Lead sponsor
Octapharma
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
2
States / cities
Manhasset, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 8, 2026, 5:07 PM 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 15, 2026 · Synced Oct 8, 2026, 5:07 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 26, 2017 · Synced Oct 8, 2026, 5:07 PM EDT
Recruiting Phase 3 Interventional

A Study to Assess the Efficacy and Safety of Efgartigimod IV in Adult Participants With Primary Immune Thrombocytopenia

NCT06544499
View directory record Official record
Conditions
Primary Immune Thrombocytopenia (ITP)
Interventions
Efgartigimod IV, Placebo IV
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
18
States / cities
Phoenix, Arizona • Los Angeles, California • Oceanside, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 8, 2026, 5:07 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 Mar 1, 2013 · Synced Oct 8, 2026, 5:07 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Tolerability of M254 in Healthy Volunteers and Immune Thrombocytopenic Purpura (ITP) Patients

NCT03866577
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura (ITP)
Interventions
Biological: M254, Placebo, Intravenous immunoglobulin (IVIg)
Biological · Drug
Lead sponsor
Momenta Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
6
States / cities
Los Angeles, California • Whittier, California • Miami Lakes, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Study to Evaluate Safety and Efficacy in Adult Subjects With ITP

NCT02273960
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
BMS-986004 75 mg IV, BMS-986004 225 mg IV, BMS-986004 675 mg IV, BMS-986004 1500 mg IV
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
6
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 8, 2026, 5:07 PM EDT
Terminated Phase 3 Interventional Results available

Initial Treatment of Patients With Immune Thrombocytopenic Purpura

NCT00991939
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Dexamethasone USP Micronized, Prednisone
Drug
Lead sponsor
Carelon Research
Other
Eligibility
15 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
18
States / cities
New Orleans, Louisiana • Baltimore, Maryland • Boston, Massachusetts + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2014 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 3 Interventional

A Long-term Study to Assess the Safety and Efficacy of Efgartigimod in Adult Patients With Primary Immune Thrombocytopenia (ITP).

NCT04225156
View directory record Official record
Conditions
Primary Immune Thrombocytopenia
Interventions
efgartigimod
Biological
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Ocala, Florida • Iowa City, Iowa + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 8, 2026, 5:07 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 3, 2016 · Synced Oct 8, 2026, 5:07 PM EDT
Completed Phase 3 Interventional Results available

Avatrombopag for the Treatment of Thrombocytopenia in Pediatric Subjects With Immune Thrombocytopenia for ≥6 Months

NCT04516967
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Avatrombopag, Placebo
Drug
Lead sponsor
Sobi, Inc.
Industry
Eligibility
1 Year to 17 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
21
States / cities
Phoenix, Arizona • Long Beach, California • Orange, California + 18 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 8, 2026, 5:07 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 15, 2024 · Synced Oct 8, 2026, 5:07 PM EDT
Recruiting Phase 1 Interventional

OM336 in Autoimmune Cytopenias

NCT07083960
View directory record Official record
Conditions
AIHA - Warm Autoimmune Hemolytic Anemia, AIHA - Cold Autoimmune Hemolytic Anemia, ITP - Immune Thrombocytopenia
Interventions
OM336
Drug
Lead sponsor
Lakefront Biotherapeutics West LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
4
States / cities
Duarte, California • Washington D.C., District of Columbia • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 8, 2026, 5:07 PM EDT
Completed 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 Oct 7, 2026 · Synced Oct 8, 2026, 5:07 PM EDT