Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 7, 2026, 1:07 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 135 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Thrombotic Thrombocytopenic Purpura Clear all
Terminated No phase listed Observational Accepts healthy volunteers

International Registry and Biorepository for TMA(Thrombotic Microangiopathy)

NCT00593229
View directory record Official record
Conditions
Thrombotic Microangiopathy, Hemolytic Uremic Syndrome, Thrombotic Thrombocytopenic Purpura
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
6 Months to 18 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Oct 7, 2026, 1:07 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 7, 2026, 1:07 PM EDT
Completed Not applicable Interventional Results available

Tacrolimus and Mycophenolate Mofetil (MMF) in GVHD Prophylactic Regimen Compared to Tacrolimus and Methotrexate (MTX

NCT00360685
View directory record Official record
Conditions
Mucositis, Graft-versus-host Disease
Interventions
Tac+MTX, TAC + MMF
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
Not listed
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 3, 2013 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 2 Interventional Results available

Interventional Study in Adults With Immune Thrombocytopenia Purpura (ITP) Receiving Romiplostim

NCT01143038
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
Romiplostim
Biological
Lead sponsor
Amgen
Industry
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
8
States / cities
Anaheim, California • Orange, California • Boynton Beach, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 4 Interventional Results available

Safety and Treatment Satisfaction in Adults With Chronic ITP After Switching to Avatrombopag From Eltrombopag or Romiplostim

NCT04638829
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Avatrombopag Oral Tablet
Drug
Lead sponsor
Sobi, Inc.
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
20
States / cities
Tucson, Arizona • Whittier, California • Washington D.C., District of Columbia + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 2 Interventional Results available

Low Dose Rituximab in Thrombotic Thrombocytopenic Purpura

NCT01554514
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
rituximab
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2021 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 3 Interventional Results available

A Study Evaluating the Safety and Efficacy of Long-term Dosing of Romiplostim in Thrombocytopenic Pediatric Patients With Immune (Idiopathic) Thrombocytopenia Purpura

NCT01071954
View directory record Official record
Conditions
Thrombocytopenia in Pediatric Subjects With Immune Idiopathic Thrombocytopenic Purpura ITP
Interventions
Romiplostim
Biological
Lead sponsor
Amgen
Industry
Eligibility
1 Year and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
24
States / cities
Orange, California • San Diego, California • Washington D.C., District of Columbia + 20 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 7, 2026, 1:07 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Extended Platelet Parameters as a Means to Differentiate Immune Thrombocytopenia From Hypo-proliferative Thrombocytopenias.

NCT01933035
View directory record Official record
Conditions
Immune Thrombocytopenia, Chemotherapy Induced Thrombocytopenia, Myelodysplasia, Aplastic Anaemia
Interventions
Immune Thrombocytopenics, Hypo-proliferative thrombocytopenics, Control Population
Other
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Eltrombopag Taste Testing in Healthy Adult Volunteers

NCT00487968
View directory record Official record
Conditions
Healthy Subjects, Purpura, Thrombocytopenic, Idiopathic
Interventions
eltrombopag
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2012 · Synced Oct 7, 2026, 1:07 PM EDT
Withdrawn Phase 2 Interventional

Extension Study (Extended Access) of Syk-inhibition Using Fostamatinib to Treat Posttransplant Immune-mediated Cytopenias

NCT05509582
View directory record Official record
Conditions
Immune Mediated Anemia, Immune Mediated Thrombocytopenia, Chronic GVHD
Interventions
fostamatinib
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2025 · Synced Oct 7, 2026, 1:07 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 7, 2026, 1:07 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 7, 2026, 1:07 PM EDT
Completed Phase 3 Interventional Results available

A Efficacy and Safety Study of Fostamatinib in the Treatment of Persistent/Chronic Immune Thrombocytopenic Purpura (ITP)

NCT02076412
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
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Nyack, New York
Source: ClinicalTrials.gov public record
Updated Jan 25, 2019 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 4 Interventional Results available

A Longitudinal 2-year Bone Marrow Study of Eltrombopag in Previously Treated Adults, With Chronic Immune (Idiopathic) Thrombocytopenic Purpura (ITP)

NCT01098487
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
Eltrombopag olamine
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2015 · Synced Oct 7, 2026, 1:07 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study of Pirtobrutinib in Participants With Immune Thrombocytopenia

NCT06721013
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
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
10
States / cities
Los Angeles, California • Palo Alto, California • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 7, 2026, 1:07 PM EDT
Withdrawn Not applicable Interventional

Single Incision Versus Standard Laparoscopic Splenectomy

NCT01276561
View directory record Official record
Conditions
Hereditary Spherocytosis, Idiopathic Thrombocytopenic Purpura
Interventions
Single Incision Splenectomy, Laparoscopic Splenectomy
Procedure
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Year to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 3, 2017 · Synced Oct 7, 2026, 1:07 PM EDT
Terminated No phase listed Observational

End of EXTEND: Discontinuation of Medication for Patients With Immune Thrombocytopenia

NCT01386723
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
Discontinuation of eltrombopag
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 7, 2026, 1:07 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 15, 2024 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 2 Interventional Results available

Study of AKR-501 Tablets Taken Orally Once Daily for 28 Days in Patients With Chronic Idiopathic Thrombocytopenic Purpura (ITP)

NCT00441090
View directory record Official record
Conditions
Chronic Idiopathic Thrombocytopenic Purpura, Purpura, Thrombocytopenic, Idiopathic
Interventions
Placebo, Avatrombopag tablets
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
25
States / cities
Anaheim, California • Bakersfield, California • Concord, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 7, 2018 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic and Pharmacodynamic Study in Healthy Subjects Comparing the Interactions Between E5501 and Verapamil and Cyclosporine.

NCT01437384
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 21, 2012 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 3 Interventional Results available

A Study of BAX 930 in Children, Teenagers, and Adults Born With Thrombotic Thrombocytopenic Purpura (TTP)

NCT03393975
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura (TTP)
Interventions
TAK-755, Standard of care
Biological
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
0 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
7
States / cities
Atlanta, Georgia • Las Vegas, Nevada • Durham, North Carolina + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 7, 2026, 1:07 PM EDT
Completed Phase 2 Interventional

Open Label Trial on the Safety and Efficacy of Sym001 in the Treatment of Immune Thrombocytopenic Purpura (ITP)

NCT00718692
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Sym001
Drug
Lead sponsor
Symphogen A/S
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Omaha, Nebraska • Philadelphia, Pennsylvania • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 7, 2026, 1:07 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 19, 2019 · Synced Oct 7, 2026, 1:07 PM EDT
Recruiting Phase 1Phase 2 Interventional

Safety and Preliminary Efficacy of CTX112 in Adult Participants With Relapsed/Refractory Hematologic Autoimmune Disease

NCT07549698
View directory record Official record
Conditions
Warm Autoimmune Hemolytic Anemia (WAIHA), ITP - Immune Thrombocytopenia, Warm Autoimmune Hemolytic Anemia, Immune Thrombocytopenic Purpura
Interventions
CTX112
Biological
Lead sponsor
CRISPR Therapeutics AG
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2033
U.S. locations
2
States / cities
Rochester, Minnesota • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 7, 2026, 1:07 PM EDT