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Showing 1–24 of 107 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Idiopathic Thrombocytopenic Purpura (ITP) Clear all
Active, not recruiting 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 Feb 22, 2026 · Synced Jul 23, 2026, 8:54 AM 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 15, 2024 · Synced Jul 23, 2026, 8:54 AM EDT
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
1
States / cities
Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 23, 2026, 8:54 AM 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, 8:54 AM 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 2, 2017 · Synced Jul 23, 2026, 8:54 AM 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, 8:54 AM EDT
Completed Phase 2 Interventional Results available

A Study of TAK-079 in Adults With Persistent/Chronic Primary Immune Thrombocytopenia

NCT04278924
View directory record Official record
Conditions
Primary Immune Thrombocytopenia
Interventions
Placebo, TAK-079
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
7
States / cities
Tucson, Arizona • Gainesville, Florida • Peoria, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Jul 23, 2026, 8:54 AM EDT
Completed No phase listed Observational

LENS - Long-term Eltrombopag Observational Study

NCT00643929
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
Eltrombopag
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Not listed
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
5
States / cities
Tucson, Arizona • Washington D.C., District of Columbia • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2017 · Synced Jul 23, 2026, 8:54 AM EDT
Withdrawn Phase 1 Interventional

The Safety, Tolerability, Pharmacokinetics, and Preliminary Efficacy of HMPL-523 in Adult Subjects With Immune Thrombocytopenia (ITP)

NCT06291415
View directory record Official record
Conditions
Immune Thrombocytopenia, Blood Platelet Disorder, Hematologic Diseases, Purpura, Thrombocytopenic, Purpura, Blood Coagulation Disorder, Thrombotic Microangiopathies, Hemorrhagic Disorders, Autoimmune Diseases, Immune System Diseases, Hemorrhage, Pathologic Processes, Skin Manifestations, Thrombocytopenia, Purpura, Thrombocytopenic, Idiopathic, Primary Immune Thrombocytopenia, ITP - Immune Thrombocytopenia
Interventions
HMPL-523
Drug
Lead sponsor
Hutchmed
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
10
States / cities
Irvine, California • Georgetown, Delaware • Bethesda, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Jul 23, 2026, 8:54 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A First in HumanTrial to Evaluate The Safety, Tolerability, And Pharmacokinetics Of PF-06755347

NCT03275740
View directory record Official record
Conditions
Healthy, Primary Immune Thrombocytopenia, Polyradiculoneuropathy, Chronic Inflammatory Demyelinating
Interventions
PF-06755347 intravenous healthy participant, Placebo intravenous healthy participant, PF-06755347 subcutaneous healthy participant, Placebo subcutaneous healthy participant, PF-06755347 subcutaneous ITP
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 4, 2024 · Synced Jul 23, 2026, 8:54 AM EDT
Recruiting Phase 1 Interventional

Phase 1b Trial of RAY121 in Immunological Diseases (RAINBOW Trial)

NCT06371417
View directory record Official record
Conditions
Antiphospholipid Syndrome (APS), Bullous Pemphigoid (BP), Behçet's Syndrome (BS), Dermatomyositis (DM), Immune-mediated Necrotizing Myopathy (IMNM), Immune Thrombocytopenia (ITP)
Interventions
RAY121
Drug
Lead sponsor
Chugai Pharmaceutical
Industry
Eligibility
18 Years to 85 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
Orange, California • Baltimore, Maryland • Lake Success, New York + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 8:54 AM EDT
Recruiting Phase 2 Interventional

Study to Assess the Safety and Tolerability of Tafasitamab in Adult Participants With Primary Autoimmune Blood Cell Disorders

NCT07104565
View directory record Official record
Conditions
Immune Thrombocytopenia
Interventions
INCA000585
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
10
States / cities
Glendale, Arizona • Los Angeles, California • Lone Tree, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 8:54 AM EDT
Completed Phase 3 Interventional Results available

Study of a New Medication for Childhood Chronic Immune Thrombocytopenia (ITP), a Blood Disorder of Low Platelet Counts That Can Lead to Bruising Easily, Bleeding Gums, and/or Bleeding Inside the Body.

NCT01520909
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
Eltrombopag, Placebo
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
1 Year to 17 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
4
States / cities
Los Angeles, California • St. Petersburg, Florida • Brooklyn, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Jul 23, 2026, 8:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

At-Home Research Study for Patients With Autoimmune, Inflammatory, Genetic, Hematological, Infectious, Neurological, CNS, Oncological, Respiratory, Metabolic Conditions

NCT01931644
View directory record Official record
Conditions
All Diagnosed Health Conditions, ADD/ADHD, Alopecia Areata, Ankylosing Spondylitis, Asthma, Atopic Dermatitis Eczema, Beta Thalassemia, Bipolar Disorder, Breast Cancer, Celiac Disease, Cervical Cancer, Chronic Inflammatory Demyelinating Polyneuropathy, Chronic Kidney Diseases, Chronic Obstructive Pulmonary Disease, Colon Cancer, Colorectal Cancer, Crohn's Disease, Cystic Fibrosis, Depression, Diabetes Mellitus, Duchenne Muscular Dystrophy, Endometriosis, Epilepsy, Facioscapulohumeral Muscular Dystrophy, G6PD Deficiency, General Anxiety Disorder, Hepatitis B, Hereditary Hemorrhagic Telangiectasia, HIV/AIDS, Human Papilloma Virus, Huntington's Disease, Idiopathic Thrombocytopenic Purpura, Insomnia, Kidney Cancer, Leukemia, Lung Cancer, Lupus Nephritis, Lymphoma, Melanoma, Multiple Myeloma, Multiple Sclerosis, Myositis, Myotonic Dystrophy, Ovarian Cancer, Pancreatic Cancer, Parkinson's Disease, Polycystic Kidney Diseases, Prostate Cancer, Psoriasis, Psoriatic Arthritis, Rosacea, Scleroderma, Sickle Cell Anemia, Sickle Cell Trait, Sjogren's Syndrome, Skin Cancer, Spinal Muscular Atrophy, Systemic Lupus Erythematosus, Thrombotic Thrombocytopenic Purpura, Trisomy 21, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 100 Years
Enrollment
17,667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Jul 23, 2026, 8:54 AM EDT
Completed Phase 1 Interventional

Treatment of Autoimmune Thrombocytopenia (AITP)

NCT00001630
View directory record Official record
Conditions
Autoimmune Disease, Autoimmune Hemolytic Anemia, Thrombocytopenia
Interventions
Isolex 300i
Device
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 23, 2026, 8:54 AM 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 2, 2026 · Synced Jul 23, 2026, 8:54 AM EDT
Completed Phase 2 Interventional Results available

A Phase 2a Study Evaluating BIVV020 in Adults With Persistent/Chronic Immune Thrombocytopenia (ITP)

NCT04669600
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 Jul 23, 2026, 8:54 AM 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 8, 2019 · Synced Jul 23, 2026, 8:54 AM EDT
Terminated No phase listed Observational

A Chart Review of Rituximab Plus Repeated Cycles of Dexamethasone

NCT02050581
View directory record Official record
Conditions
Idiopathic Thrombocytopenia Purpura
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
3 Years and older
Enrollment
72 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 15, 2018 · Synced Jul 23, 2026, 8:54 AM 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, 8:54 AM 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, 8:54 AM 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 9, 2024 · Synced Jul 23, 2026, 8:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Of Eltrombopag in Healthy Subjects and Volunteers With Mild, Moderate or Severe Hepatic Impairment

NCT00359463
View directory record Official record
Conditions
Purpura, Thrombocytopaenic, Idiopathic
Interventions
eltrombopag
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
Gainesville, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Nov 12, 2017 · Synced Jul 23, 2026, 8:54 AM 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 4, 2019 · Synced Jul 23, 2026, 8:54 AM EDT