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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Sickle Red Blood Cell Clear all
Completed Not applicable Interventional Results available

Evaluation of the AMICUS RBCx System in Sickle Cell Patients

NCT02372877
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Amicus Red Cell Exchange in SCD patients
Device
Lead sponsor
Fenwal, Inc.
Industry
Eligibility
6 Years and older
Enrollment
83 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
6
States / cities
Phoenix, Arizona • Detroit, Michigan • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2022 · Synced Jul 21, 2026, 11:59 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Phase I/II Pilot Study of Mixed Chimerism to Treat Hemoglobinopathies

NCT01419704
View directory record Official record
Conditions
Anemia, Sickle Cell, Complex and Transfusion-dependent Hemoglobinopathies, Thalassemia, Diamond-Blackfan Anemia, Bone Marrow Failure Syndromes, Alpha-Thalassemia, Beta-Thalassemia
Interventions
Enriched Hematopoetic Stem Cell Infusion
Biological
Lead sponsor
Talaris Therapeutics Inc.
Industry
Eligibility
Up to 45 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
3
States / cities
Chicago, Illinois • Louisville, Kentucky • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional

Allogeneic Bone Marrow Transplantation for the Treatment of Genetic Disorders of Erythropoiesis

NCT00578435
View directory record Official record
Conditions
Genetic Disorders, Sickle Cell Anemia
Interventions
Busulfan, Cyclophosphamide, BMD
Procedure
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
1 Year and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2008 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Results available

Treosulfan and Fludarabine Phosphate Before Donor Stem Cell Transplant in Treating Patients With Nonmalignant Inherited Disorders

NCT00919503
View directory record Official record
Conditions
Non-Neoplastic Hematologic and Lymphocytic Disorder
Interventions
Allogeneic Bone Marrow Transplantation, Anti-Thymocyte Globulin, Cyclosporine, Fludarabine Phosphate, Laboratory Biomarker Analysis, Methotrexate, Mycophenolate Mofetil, Peripheral Blood Stem Cell Transplantation, Tacrolimus, Total-Body Irradiation, Treosulfan, Umbilical Cord Blood Transplantation
Procedure · Biological · Drug + 2 more
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Up to 49 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
6
States / cities
Aurora, Colorado • Portland, Oregon • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Jul 21, 2026, 11:59 PM EDT
Terminated Phase 3 Interventional Results available

A Study of a Single Dose of Inclacumab to Reduce Re-admission in Participants With Sickle Cell Disease and Recurrent Vaso-occlusive Crises

NCT04927247
View directory record Official record
Conditions
Sickle Cell Disease, Vaso-occlusive Crisis, Vaso-occlusive Pain Episode in Sickle Cell Disease
Interventions
Inclacumab, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
17
States / cities
Mobile, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Jul 21, 2026, 11:59 PM EDT
Withdrawn Phase 2 Interventional

Dipyridamole/Magnesium To Improve Sickle Cell Hydration

NCT00276146
View directory record Official record
Conditions
Anemia, Sickle Cell
Interventions
oral dipyridamole, oral magnesium, or a combination of both
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years and older
Timeline
Started 2005
U.S. locations
3
States / cities
Detroit, Michigan • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 1 Interventional Results available

Biotin-RBC Transfusion in SCD

NCT04426591
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Biotin Labeled Red Blood Cells, Pathogen-reduced Biotin Labeled Red Blood Cells
Drug · Device
Lead sponsor
Marianne Yee
Other
Eligibility
2 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 21, 2026, 11:59 PM EDT
Completed No phase listed Observational

Red Blood Cell - IMProving trAnsfusions for Chronically Transfused Recipients

NCT05255445
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia, Pediatric Cancer
Interventions
Red Blood Cell (RBC) Transfusion
Biological
Lead sponsor
Westat
Other
Eligibility
Not listed
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
9
States / cities
Oakland, California • San Francisco, California • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting Phase 2 Interventional

AlloSCT for Malignant and Non-malignant Hematologic Diseases Utilizing Alpha/Beta T Cell and CD19+ B Cell Depletion

NCT04099966
View directory record Official record
Conditions
Acute Leukemia, Severe Aplastic Anemia, Non-hodgkin Lymphoma, Hodgkin Lymphoma, Kostmann, Diamond Blackfan Anemia, Amegakaryocytic Thrombocytopenia, Sickle Cell Disease, Beta-Thalassemia
Interventions
alpha beta depletion
Drug
Lead sponsor
Mitchell Cairo
Other
Eligibility
1 Day to 30 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Valhalla, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 1 Interventional

Bone Marrow Transplant With Abatacept for Non-Malignant Diseases

NCT01917708
View directory record Official record
Conditions
Hurler Syndrome, Fanconi Anemia, Glanzmann Thrombasthenia, Wiskott-Aldrich Syndrome, Chronic Granulomatous Disease, Severe Congenital Neutropenia, Leukocyte Adhesion Deficiency, Shwachman-Diamond Syndrome, Diamond-Blackfan Anemia, Dyskeratosis-congenita, Chediak-Higashi Syndrome, Severe Aplastic Anemia, Thalassemia Major, Hemophagocytic Lymphohistiocytosis, Sickle Cell Disease
Interventions
Abatacept
Drug
Lead sponsor
Emory University
Other
Eligibility
Up to 21 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced Jul 21, 2026, 11:59 PM EDT
Terminated Phase 1 Interventional

Propanolol and Red Cell Adhesion Non-asthmatic Children Sickle Cell Disease

NCT02012777
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
propranolol
Drug
Lead sponsor
University of Miami
Other
Eligibility
10 Years to 17 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Jul 21, 2026, 11:59 PM EDT
Terminated Phase 2 Interventional Results available

Treatment of Hemoglobin SC Disease With Hydroxyurea

NCT02336373
View directory record Official record
Conditions
Hemoglobin SC Disease
Interventions
hydroxyurea
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
5 Years to 21 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 8, 2020 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Red Cell Half Life Determination in Patients With and Without Sickle Cell Disease

NCT04476277
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia
Interventions
Biotin label
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Genotype -Phenotype Correlation of PKLR Variants With Pyruvate Kinase, 2,3-Diphosphglycerate and Adenosine Triphosphate Activities in Red Blood Cells of People With Sickle Cell Disease

NCT03685721
View directory record Official record
Conditions
Sickle Cell, PKLR Variants, Adenosine Triphosphate Activities
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 80 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Blood Sampling for Research Related to Sickle Cell Disease

NCT00542230
View directory record Official record
Conditions
Sickle Cell Trait, Sickle Cell Disease, Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 100 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting Early Phase 1 Interventional

Determination of Red Cell Survival in Sickle Cell Disease and Other Hemoglobinopathies Using Biotin Labeling

NCT06313398
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia, Hemoglobinopathy
Interventions
Biotin-labeled red blood cells
Biological
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Jul 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Carbon Monoxide Levels and Sickle Cell Disease Severity

NCT01547793
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia, Anemia, Sickle Cell
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 2 Interventional Results available

Allogeneic Mixed Chimerism Stem Cell Transplant Using Campath for Hemoglobinopathies & Bone Marrow Failure Syndromes

NCT00004143
View directory record Official record
Conditions
Sickle Cell Anemia, Severe Aplastic Anemia, Paroxysmal Nocturnal Hemoglobinuria (PNH), Pure Red Cell Aplasia
Interventions
Campath, Chemo and/or TBI Allo SCT
Drug
Lead sponsor
David Rizzieri, MD
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2009
U.S. locations
2
States / cities
Orlando, Florida • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Jul 21, 2026, 11:59 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multi-Center Study of Iron Overload: Pilot Study

NCT01114776
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia, Diamond-Blackfan Anemia
Interventions
Not listed
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
16 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting Phase 3 Interventional

A Study to Investigate the Efficacy and Safety of Crizanlizumab (5 mg/kg) Compared With Placebo in Adolescent and Adult Sickle Cell Disease Patients Who Experience Frequent Vaso-Occlusive Crises (SPARKLE)

NCT06439082
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Crizanlizumab, Placebo
Biological · Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
12 Years to 100 Years
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
14
States / cities
Birmingham, Alabama • Orange, California • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Age of Blood in Sickle Cell Transfusion

NCT03704922
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Transfusion
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 60 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Chapel Hill, North Carolina • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Safety and Efficacy of Inclacumab in Participants With Sickle Cell Disease Experiencing Vaso-occlusive Crises

NCT04935879
View directory record Official record
Conditions
Sickle Cell Disease, Vaso-occlusive Pain Episode in Sickle Cell Disease, Vaso-occlusive Crisis
Interventions
Inclacumab, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
241 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
22
States / cities
Mobile, Alabama • Little Rock, Arkansas • Orange, California + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Jul 21, 2026, 11:59 PM EDT
Completed Phase 1Phase 2 Interventional

Unrelated Hematopoietic Stem Cell Transplantation(HSCT) for Genetic Diseases of Blood Cells

NCT00730314
View directory record Official record
Conditions
Sickle Cell Disease, Thalassemia, Anemia, Granuloma, Wiskott-Aldrich Syndrome, Chediak Higashi Syndrome, Osteopetrosis, Neutropenia, Thrombocytopenia, Hurler Disease, Niemann-Pick Disease, Fucosidosis
Interventions
Hematopoietic stem cell transplantation
Procedure
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2016 · Synced Jul 21, 2026, 11:59 PM EDT
Recruiting Phase 2 Interventional

Reduced Intensity Conditioning for Non-Malignant Disorders Undergoing UCBT, BMT or PBSCT

NCT01962415
View directory record Official record
Conditions
Primary Immunodeficiency (PID), Congenital Bone Marrow Failure Syndromes, Inherited Metabolic Disorders (IMD), Hereditary Anemias, Inflammatory Conditions, Systemic Juvenile Idiopathic Arthritis (sJIA), Juvenile Rheumatoid Arthritis (JRA)
Interventions
Hydroxyurea, Alemtuzumab, Fludarabine, Melphalan, Thiotepa
Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
2 Months to 55 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 21, 2026, 11:59 PM EDT