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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:48 PM EDT

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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: TTP Clear all
Withdrawn Phase 1Phase 2 Interventional

Use of Rituximab Treatment in Addition to Standard Care for Newly Presenting Thrombotic Thrombocytopenic Purpura

NCT00251277
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 15, 2012 · Synced Oct 22, 2026, 9:48 PM EDT
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 22, 2026, 9:48 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 22, 2026, 9:48 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Withdrawn No phase listed Observational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 22, 2026, 9:48 PM EDT
Terminated Phase 2 Interventional Results available

Safety Study of Danazol With Plasma Exchange and Steroids for the Treatment of Thrombotic Thrombocytopenic Purpura (TTP)

NCT00953771
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Danazol
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Oct 22, 2026, 9:48 PM EDT
Recruiting No phase listed Observational

Biorepository and Registry for Plasma Exchange Patients

NCT05004493
View directory record Official record
Conditions
Antibody-mediated Rejection, NMO Spectrum Disorder, TTP, CIDP
Interventions
Not listed
Lead sponsor
Charles M Knudson
Other
Eligibility
12 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2040
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Oct 22, 2026, 9:48 PM EDT
Not yet recruiting No phase listed Observational

Impact of Acute ITTP Therapies on Long Term Neurologic and Cognitive Outcomes in ITTP Survivors

NCT06358703
View directory record Official record
Conditions
Immune Thrombotic Thrombocytopenia
Interventions
Caplacizumab
Drug
Lead sponsor
US Thrombotic Microangiopathy Alliance
Other
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Groveport, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 13, 2024 · Synced Oct 22, 2026, 9:48 PM EDT
Completed No phase listed Observational

Prospective Psychometric Evaluation Study of a Patient-reported Outcomes (PRO) Instrument for Congenital Thrombotic Thrombocytopenic Purpura (cTTP, Upshaw-Schulman Syndrome [USS], Hereditary Thrombotic Thrombocytopenic Purpura [hTTP]

NCT03519672
View directory record Official record
Conditions
Congenital Thrombotic Thrombocytopenic Purpura
Interventions
No intervention
Other
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
12 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Atlanta, Georgia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 22, 2026, 9:48 PM EDT
Terminated Phase 2 Interventional

Clinical Outcome Study of ARC1779 Injection in Patients With Thrombotic Microangiopathy

NCT00726544
View directory record Official record
Conditions
Thrombotic Microangiopathy, Thrombotic Thrombocytopenic Purpura
Interventions
ARC 1779 Placebo, ARC1779 Injection
Drug
Lead sponsor
Archemix Corp.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
7
States / cities
Chicago, Illinois • Indianapolis, Indiana • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2009 · Synced Oct 22, 2026, 9:48 PM EDT
Terminated No phase listed Observational

Octaplas Adult TTP Trial

NCT01938404
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Octaplas, Standard Plasma
Biological · Drug
Lead sponsor
Octapharma
Industry
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
2
States / cities
Manhasset, New York • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 22, 2026, 9:48 PM EDT
Withdrawn Phase 2 Interventional

A Randomized Study to Evaluate the Effect of Two Different Doses of Enoxaparin Sodium in Combination With Standard Chemotherapy in Patients With Stage Small Cell Lung Cancer (SCLC)

NCT00916669
View directory record Official record
Conditions
Small Cell Lung Cancer
Interventions
Etoposide, Cisplatin, enoxaparin sodium
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
4
States / cities
Boston, Massachusetts • Peabody, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 8, 2013 · Synced Oct 22, 2026, 9:48 PM EDT
Completed Early Phase 1 Interventional

A Pilot Study of N-acetylcysteine in Thrombotic Thrombocytopenia Purpura

NCT01808521
View directory record Official record
Conditions
Purpura, Thrombotic Thrombocytopenic, TTP
Interventions
N-Acetylcysteine
Drug
Lead sponsor
Bloodworks
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2017 · Synced Oct 22, 2026, 9:48 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of OMS721 in Patients With Thrombotic Microangiopathies

NCT02222545
View directory record Official record
Conditions
Thrombotic Microangiopathies
Interventions
OMS721
Biological
Lead sponsor
Omeros Corporation
Industry
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
5
States / cities
Duarte, California • Rochester, Minnesota • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2024 · Synced Oct 22, 2026, 9:48 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 22, 2026, 9:48 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 22, 2026, 9:48 PM EDT
Completed Phase 2 Interventional

A Study of TAK-755 (rADAMTS13) With Little to No Plasma Exchange (PEX) Treatment in Adults With Immune-mediated Thrombotic Thrombocytopenic Purpura (iTTP)

NCT05714969
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura (TTP)
Interventions
TAK-755
Biological
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
12
States / cities
Gainesville, Florida • Boston, Massachusetts • Minneapolis, Minnesota + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 22, 2026, 9:48 PM EDT
Terminated Phase 3 Interventional Results available

Evaluating the Effectiveness of Adding Rituximab to Standard Treatment for Thrombotic Thrombocytopenic Purpura (TTP)

NCT00799773
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura
Interventions
Rituximab, Plasma exchange, Corticosteroids
Drug · Procedure
Lead sponsor
Carelon Research
Other
Eligibility
12 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
23
States / cities
Birmingham, Alabama • Atlanta, Georgia • Iowa City, Iowa + 14 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Oct 22, 2026, 9:48 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 22, 2026, 9:48 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 22, 2026, 9:48 PM EDT
Terminated Phase 3 Interventional

Safety and Efficacy Study to Compare Uniplas With Cryosupernatant Plasma in Thrombotic Thrombocytopenic Purpura (TTP)

NCT00411801
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura (TTP)
Interventions
Uniplas, Cryosupernatant plasma
Biological
Lead sponsor
Octapharma
Industry
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Centreville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Oct 22, 2026, 9:48 PM EDT
Completed Phase 2 Interventional Results available

Pazopanib Versus Temsirolimus in Poor-Risk Clear-Cell Renal Cell Carcinoma (RCC)

NCT01392183
View directory record Official record
Conditions
Kidney Cancer
Interventions
Pazopanib, Temsirolimus, Quality of Life Assessment, Benadryl
Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced Oct 22, 2026, 9:48 PM EDT
Recruiting No phase listed Observational

Genotype and Phenotype Correlation in Hereditary Thrombotic Thrombocytopenic Purpura (Upshaw-Schulman Syndrome)

NCT01257269
View directory record Official record
Conditions
Thrombotic Thrombocytopenic Purpura, Congenital Thrombotic Thrombocytopenic Purpura, Familial Thrombotic Thrombocytopenic Purpura, Thrombotic Thrombocytopenic Purpura, Congenital, Upshaw-Schulman Syndrome
Interventions
Observation
Other
Lead sponsor
Insel Gruppe AG, University Hospital Bern
Other
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2030
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 22, 2026, 9:48 PM EDT
Completed Phase 1 Interventional

Phase 1 Dose Escalation, Single Dose Study to Assess Safety and Pharmacokinetics of BAX930 in Hereditary Thrombotic Thrombocytopenic Purpura (TTP)

NCT02216084
View directory record Official record
Conditions
Hereditary Thrombotic Thrombocytopenic Purpura (TTP)
Interventions
Recombinant ADAMTS13
Drug
Lead sponsor
Baxalta now part of Shire
Industry
Eligibility
12 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
3
States / cities
Dublin, Ohio • Portland, Oregon • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 22, 2026, 9:48 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 22, 2026, 9:48 PM EDT