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Showing 1–24 of 1,047 matching trials from the live ClinicalTrials.gov search.
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Terminated Phase 2 Interventional

Bone Marrow Transplant From Donor Using Less Toxic Conditioning for Patient With High Risk Hemoglobinopathies

NCT00040417
View directory record Official record
Conditions
Sickle Cell Anemia, Hemoglobinopathy, Thalassemia
Interventions
FLUDARABINE, CAMPATH-IH, Total Body Irradiation, FK506, G-SCF (Granulocyte-colony stimulating factor)
Drug · Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
1 Day to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Jul 20, 2026, 6:41 PM EDT
Terminated Phase 1Phase 2 Interventional

A Voxelotor for Sickle Cell Anemia Patients at Highest Risk for Progression of Chronic Kidney Disease

NCT04335721
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Nephropathy
Interventions
Voxelotor
Drug
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Phase 2 Interventional Results available

Bone Marrow Transplantation vs Standard of Care in Patients With Severe Sickle Cell Disease (BMT CTN 1503)

NCT02766465
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Busulfan, Fludarabine, r-ATG, Hematopoietic Cell Transplant, Tacrolimus, Methotrexate, Standard of Care, Alemtuzumab, Total Body Irradiation (TBI), Sirolimus, Melphalan, G-CSF
Drug · Procedure
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
15 Years to 40 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
35
States / cities
Oakland, California • Washington D.C., District of Columbia • Gainesville, Florida + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Phase 3 Interventional

Evaluation of Purified Poloxamer 188 in Vaso-Occlusive Crisis of Sickle Cell Disease (EPIC)

NCT01737814
View directory record Official record
Conditions
Vaso-occlusive Crisis, Sickle Cell Disease
Interventions
Saline, MST-188
Drug
Lead sponsor
Mast Therapeutics, Inc.
Industry
Eligibility
4 Years to 65 Years
Enrollment
388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
50
States / cities
Mobile, Alabama • Phoenix, Arizona • Oakland, California + 43 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Jul 20, 2026, 6:41 PM EDT
Terminated Not applicable Interventional Results available

Fludarabine, Cyclophosphamide, and Total-Body Irradiation Followed by Cyclosporine and Mycophenolate Mofetil in Treating Patients Who Are Undergoing a Donor Umbilical Cord Blood Transplant for Hematologic Cancer

NCT00255684
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Graft Versus Host Disease, Leukemia, Lymphoma, Multiple Myeloma, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
Interventions
graft-versus-tumor induction therapy, cyclophosphamide, cyclosporine, fludarabine phosphate, mycophenolate mofetil, umbilical cord blood transplantation, radiation therapy
Biological · Drug · Procedure + 1 more
Lead sponsor
University of Rochester
Other
Eligibility
Up to 75 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Phase 1 Interventional

Atorvastatin Therapy to Improve Endothelial Function in Sickle Cell Disease

NCT00072826
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Oxypurinol, L-NMMA, Acetylcholine
Drug
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Jul 20, 2026, 6:41 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Screening for Alpha Thalassemia in Healthy Volunteers

NCT02692872
View directory record Official record
Conditions
Alpha Thalassemia
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years
Enrollment
367 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Recruiting Not applicable Interventional

The Effect of Uterine Entry In Fetoscopic Laser Photocoagulation for Twin-To-Twin Transfusion Syndrome

NCT06829901
View directory record Official record
Conditions
Twin to Twin Transfusion
Interventions
Fetoscopic Laser Photocoagulation
Procedure
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Not listed Phase 2 Interventional

A Randomized Trial of LOVAZA in Pediatric Sickle Cell Disease (SCD)

NCT01202812
View directory record Official record
Conditions
Sickle Cell Disease, HEMOGLOBIN SS, Hemoglobin S Beta-0 Thalassemia, Inflammation, Quality of Life
Interventions
Omega-3 Fatty Acids: Eicosapentaenoic Acid (EPA) and Docosahexaenoic Acid (DHA), Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years to 19 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 24, 2010 · Synced Jul 20, 2026, 6:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of Methodologies to Measure Blood Flow and Oxygenation in Adults With Sickle Cell Disease

NCT02447627
View directory record Official record
Conditions
Healthy, Sickle Cell Disease
Interventions
Not listed
Lead sponsor
Bioverativ Therapeutics Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Integration of mHEALTH Into the Care of Patients With Sickle Cell Disease to Increase Hydroxyurea Utilization

NCT04080167
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
InCharge Health mobile application, HU Toolbox mobile application
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
15 Years to 45 Years
Enrollment
382 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
7
States / cities
Augusta, Georgia • Chicago, Illinois • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Jul 20, 2026, 6:41 PM EDT
Active, not recruiting Phase 1 Interventional

Long-term Follow-up (LTFU) of Patients Treated With Genome-edited Autologous Hematopoietic Stem and Progenitor Cells (HSPC)

NCT06155500
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
OTQ923
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2039
U.S. locations
3
States / cities
Chicago, Illinois • New York, New York • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Not applicable Interventional Results available

Evaluation of Spectra Optia Red Blood Cell Exchange in Sickle Cell Patients

NCT01736657
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Red blood cell exchange in sickle cell
Device
Lead sponsor
Terumo BCT
Industry
Eligibility
12 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
5
States / cities
Birmingham, Alabama • Oakland, California • Aurora, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Jul 20, 2026, 6:41 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Acute Kidney Injury in Patients With Sickle Cell Disease

NCT03105271
View directory record Official record
Conditions
Sickle Cell Disease, Kidney Injury, Kidney Diseases, Kidney Disease, Chronic
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Year to 25 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Jul 20, 2026, 6:41 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Sickle Cell Trait in Football Players

NCT01891877
View directory record Official record
Conditions
Sickle Cell Trait
Interventions
Not listed
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 19, 2014 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sequential vs. Standard Laser Treatment of Twin-twin Transfusion Syndrome

NCT02122328
View directory record Official record
Conditions
Twin Twin Transfusion Syndrome
Interventions
Sequential laser photocoagulation of communicating vessels., Selective laser photocoagulation of communicating vessels
Procedure
Lead sponsor
University of Southern California
Other
Eligibility
16 Years to 55 Years · Female only
Enrollment
642 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Jul 20, 2026, 6:41 PM EDT
Recruiting No phase listed Observational

Study to Understand the Genetic Risk of Developing an Immune Response After Blood Transfusions Among Individuals With Sickle Cell Disease

NCT06944067
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 99 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Recruiting No phase listed Observational

Cooperative Assessment of Late Effects for SCD Curative Therapies

NCT05153967
View directory record Official record
Conditions
Sickle Cell Disease, Pulmonary Disease, Renal Disease, Heart Disease
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
4 Years to 65 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Withdrawn Phase 2 Interventional

Busulfan and Fludarabine Before Donor Stem Cell Transplant in Treating Patients With Hematologic Cancer

NCT00301912
View directory record Official record
Conditions
Anemia, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Diseases
Interventions
filgrastim, busulfan, fludarabine phosphate, methotrexate, tacrolimus, allogeneic bone marrow transplantation, allogeneic hematopoietic stem cell transplantation, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2002
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 1, 2012 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Not applicable Interventional

Sickle Cell, Pain and Mediterranean Diet

NCT06886477
View directory record Official record
Conditions
Sickle Cell, Sickle Cell Disease, Sickle Cell Disease Without Crisis, Mediterranean Diet
Interventions
Mediterranean Diet, Usual Diet
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Not yet recruiting Phase 3 Interventional

Optimal Timing of Ketamine Initiation for SCD Pain

NCT07450430
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Crisis
Interventions
Ketamine hydrochloride injection, Placebo
Drug · Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 24 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Brookline, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jul 20, 2026, 6:41 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Management of Severe Acute Malnutrition in SCD, in Northern Nigeria

NCT03634488
View directory record Official record
Conditions
Sickle Cell Anemia, Severe Acute Malnutrition
Interventions
hydroxyurea (20mg/kg/day), Ready-to-use therapeutic food
Drug · Dietary Supplement
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 12 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jul 20, 2026, 6:41 PM EDT
Recruiting Not applicable Interventional

Effect of Exercise on Body Composition and Bone Health in Patients With Thalassemia

NCT07064941
View directory record Official record
Conditions
Thalassemia
Interventions
Exercise
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Jul 20, 2026, 6:41 PM EDT
Completed No phase listed Observational

Liver Fibrosis in Sickle Cell Disease

NCT02007746
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Liver transient elastography (Fibroscan), Ferriscan, Liver biopsy in iron overloaded subjects.
Other · Procedure
Lead sponsor
University of Miami
Other
Eligibility
10 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 25, 2021 · Synced Jul 20, 2026, 6:41 PM EDT