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ClinicalTrials.gov public records Last synced Oct 11, 2026, 9:39 PM EDT

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Showing 97–120 of 135 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Thrombotic Thrombocytopenic Purpura Clear all
Recruiting Phase 2 Interventional

Safety, Tolerability, and Efficacy of NVG-2089 in Participants With Immune Thrombocytopenia

NCT07095127
View directory record Official record
Conditions
Immune Thrombocytopenia (ITP)
Interventions
NVG-2089
Drug
Lead sponsor
Nuvig Therapeutics, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Boston, Massachusetts • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 11, 2026, 9:39 PM EDT
Terminated Phase 1 Interventional

Safety Study of GMA161 in Patients With Idiopathic Thrombocytopenic Purpura (ITP)

NCT00244257
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
GMA161
Biological
Lead sponsor
Genzyme, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • Bethesda, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Oct 11, 2026, 9:39 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 11, 2026, 9:39 PM EDT
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 17, 2014 · Synced Oct 11, 2026, 9:39 PM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Rozanolixizumab in Adult Study Participants With Persistent or Chronic Primary Immune Thrombocytopenia (ITP)

NCT04200456
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 18, 2025 · Synced Oct 11, 2026, 9:39 PM EDT
Terminated Phase 1Phase 2 Interventional

PRTX-100-202 Open-Label, Dose Escalation Study in Adult Patients With ITP

NCT02401061
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
PRTX-100
Drug
Lead sponsor
Protalex, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
6
States / cities
Los Angeles, California • Boston, Massachusetts • Farmington Hills, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 11, 2026, 9:39 PM EDT
Active, not recruiting Phase 3 Interventional

A Study of TAK-755 in Participants With Congenital Thrombotic Thrombocytopenic Purpura

NCT04683003
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura (TTP)
Interventions
TAK-755
Biological
Lead sponsor
Takeda
Industry
Eligibility
0 Years to 70 Years
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
5
States / cities
Atlanta, Georgia • Buffalo, New York • Durham, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 11, 2026, 9:39 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 16, 2021 · Synced Oct 11, 2026, 9:39 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 18, 2021 · Synced Oct 11, 2026, 9:39 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 11, 2026, 9:39 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 11, 2026, 9:39 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 11, 2026, 9:39 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 11, 2026, 9:39 PM EDT
Completed Phase 3 Interventional Results available

Study of Cyclosporine or Corticosteroids as an Adjunct to Plasma Exchange in Thrombotic Thrombocytopenic Purpura (TTP)

NCT00713193
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 3, 2023 · Synced Oct 11, 2026, 9:39 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 11, 2026, 9:39 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 11, 2026, 9:39 PM EDT
Completed Phase 2 Interventional

Phase II Study of Rituximab in Patients With Immune Thrombocytopenic Purpura

NCT00005652
View directory record Official record
Conditions
Purpura, Thrombocytopenic, Idiopathic
Interventions
rituximab
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2000
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 9, 2008 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 2 Interventional Results available

Study of Oral SKI-O-703, SYK Inhibitor, in Patients With Persistent and Chronic Immune Thrombocytopenia (ITP)

NCT04056195
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
SKI-O-703, Placebo oral tablet
Drug
Lead sponsor
Oscotec Inc.
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Los Angeles, California • Durham, North Carolina • Greenville, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2024 · Synced Oct 11, 2026, 9:39 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 12, 2018 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Higher Dose of Rituxan Versus Standard Doses of Rituxan With Cyclophosphamide, Vincristine, and Prednisone in Subjects With Chronic ITP

NCT00774202
View directory record Official record
Conditions
Immune Thrombocytopenic Purpura
Interventions
Rituxan, Cyclophosphamide, Vincristine, Prednisone, Higher Dose of Rituximab
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
12 Years to 100 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Oct 11, 2026, 9:39 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 11, 2026, 9:39 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 11, 2026, 9:39 PM EDT
Completed Phase 1Phase 2 Interventional

Clinical Trial of Rituximab in Children and Adolescents With Chronic Idiopathic Thrombocytopenic Purpura (ITP)

NCT01713738
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 9, 2012 · Synced Oct 11, 2026, 9:39 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 11, 2026, 9:39 PM EDT