Independent directory Public ClinicalTrials.gov records United States
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 22, 2026, 8:25 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 232 matching trials from the live ClinicalTrials.gov search.
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
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
Conditions
Coronary Artery Disease
Interventions
Iodixanol, Ioxaglate, Bivalirudin
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Terminated No phase listed Observational Accepts healthy volunteers

International Registry and Biorepository for TMA(Thrombotic Microangiopathy)

NCT00593229
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
Conditions
Immune Thrombocytopenia
Interventions
Second Line ITP agents
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Year to 18 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
26
States / cities
Little Rock, Arkansas • Los Angeles, California • Oakland, California + 22 more
Conditions
Immune Thrombocytopenia
Interventions
Not listed
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
3,714 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
East Hanover, New Jersey
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
Conditions
Ischemic Stroke, Atrial Fibrillation, Transient Ischemic Attacks, Transient Cerebrovascular Events, Thrombotic Stroke, Stroke of Basilar Artery, Cardioembolic Stroke
Interventions
Biomarker blood draw
Other
Lead sponsor
Ischemia Care LLC
Industry
Eligibility
18 Years and older
Enrollment
1,750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
22
States / cities
Sacramento, California • San Francisco, California • Detroit, Michigan + 17 more
Recruiting No phase listed Observational

COVID-19 Coagulopathy Extension Study

NCT05334615
Conditions
COVID-19
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
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
Completed Phase 3 Interventional Results available

IGIV Study for Chronic ITP Patients Ages 3-70

NCT00511147
Conditions
Idiopathic Thrombocytopenic Purpura
Interventions
IGIV3I Grifols 10%
Biological
Lead sponsor
Grifols Biologicals, LLC
Industry
Eligibility
3 Years to 70 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
31
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 26 more
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
Conditions
Hairy Cell Leukemia
Interventions
Not listed
Lead sponsor
AstraZeneca
Industry
Eligibility
Not listed
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Pueblo, Colorado • Bridgeton, Missouri
Conditions
Peripheral Artery Disease
Interventions
Rivaroxaban (Xarelto, BAY59-7939), Rivaroxaban-Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
50 Years and older
Enrollment
6,564 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
105
States / cities
Alexander City, Alabama • Birmingham, Alabama • Fort Payne, Alabama + 91 more
Conditions
Type 2 Diabetes, Insulin Resistance, Metabolic Syndrome
Interventions
metformin, pioglitazone, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Immune Thrombocytopenic Purpura
Interventions
rituxan
Drug
Lead sponsor
New York Medical College
Other
Eligibility
1 Year to 21 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Vahalla, New York
Conditions
Primary Immune Thrombocytopenia
Interventions
Efgartigimod PH20 SC, Placebo PH20 SC
Biological · Other
Lead sponsor
argenx
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
14
States / cities
Springdale, Arkansas • Los Angeles, California • Washington D.C., District of Columbia + 10 more
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
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
Conditions
Thrombosis, Venous Thrombosis, Catheter Occlusion
Interventions
Alfimeprase
Drug
Lead sponsor
ARCA Biopharma, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
18
States / cities
Casa Grande, Arizona • Soquel, California • Boynton Beach, Florida + 15 more
Not listed Phase 3 Interventional

Ravulizumab and COVID-19

NCT04570397
Conditions
Covid19, Thrombotic Microangiopathies, Acute Kidney Injury
Interventions
Ravulizumab
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
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
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
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