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ClinicalTrials.gov public records Last synced May 21, 2026, 6:56 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 129 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Thrombotic Thrombocytopenic Purpura Clear all
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Autoimmune Thrombocytopenic Purpura
Interventions
Doxil
Drug
Lead sponsor
Hematology and Oncology Specialists
Other
Eligibility
0 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Metairie, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced May 21, 2026, 6:56 PM EDT
Terminated Phase 2 Interventional Results available
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 May 21, 2026, 6:56 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Primary Immune Thrombocytopenia
Interventions
Rozanolixizumab, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced May 21, 2026, 6:56 PM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2025 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 3 Interventional Results available
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 May 21, 2026, 6:56 PM EDT
Withdrawn Phase 2 Interventional
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 May 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura (ITP)
Interventions
eltrombopag
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 99 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Nyack, New York • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Immune Thrombocytopenia (ITP)
Interventions
SAR445088 (BIVV020)
Drug
Lead sponsor
Bioverativ, a Sanofi company
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Tamarac, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced May 21, 2026, 6:56 PM EDT
Recruiting Phase 3 Interventional
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 Mar 12, 2026 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura (ITP), Immune Thrombocytopenic Purpura (ITP)
Interventions
rituximab
Drug
Lead sponsor
Neufeld, Ellis J, MD, PhD
Individual
Eligibility
18 Months to 18 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
9
States / cities
Los Angeles, California • Palo Alto, California • San Francisco, California + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
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 May 21, 2026, 6:56 PM EDT
Withdrawn Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Rituximab
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
17 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2012 · Synced May 21, 2026, 6:56 PM EDT
Active, not recruiting Phase 3 Interventional
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 – 2028
U.S. locations
21
States / cities
Yuma, Arizona • Clovis, California • Fountain Valley, California + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced May 21, 2026, 6:56 PM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
rilzabrutinib
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
New Orleans, Louisiana • Ann Arbor, Michigan • Rochester, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced May 21, 2026, 6:56 PM EDT
Recruiting Phase 1Phase 2 Interventional
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
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
11
States / cities
Los Angeles, California • Stanford, California • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced May 21, 2026, 6:56 PM EDT
Terminated Phase 1 Interventional Results available
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 May 21, 2026, 6:56 PM EDT
Not listed No phase listed Observational
View directory record Official record
Conditions
Bone Marrow Failure Syndromes, Anemia, Aplastic, Myelodysplastic Syndromes, Hemoglobinuria, Paroxysmal, Red-Cell Aplasia, Pure, Purpura, Thrombocytopenic, Leukemia, Lymphocytic
Interventions
Not listed
Lead sponsor
Office of Rare Diseases (ORD)
NIH
Eligibility
11 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
4
States / cities
Los Angeles, California • Tampa, Florida • Cleveland, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2010 · Synced May 21, 2026, 6:56 PM EDT
Terminated Phase 1Phase 2 Interventional
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 May 21, 2026, 6:56 PM EDT
Completed Phase 2 Interventional Results available
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 May 21, 2026, 6:56 PM EDT
Terminated Phase 3 Interventional Results available
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 13, 2014 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura (ITP)
Interventions
E5501
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated May 20, 2012 · Synced May 21, 2026, 6:56 PM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Primary Immune Thrombocytopenia
Interventions
Rozanolixizumab
Drug
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced May 21, 2026, 6:56 PM EDT
Recruiting Phase 3 Interventional
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 Apr 30, 2026 · Synced May 21, 2026, 6:56 PM EDT
Completed Phase 3 Interventional
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 23, 2021 · Synced May 21, 2026, 6:56 PM EDT