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ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:28 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hereditary Hemolytic Anemia Clear all
Completed No phase listed Observational Accepts healthy volunteers

Microvascular and Cardiac Dysfunction in Paroxysmal Nocturnal Hemoglobinuria and Sickle Cell Disease

NCT01294891
View directory record Official record
Conditions
Rheologic Disease, Sickle Cell Disease, Paroxysmal Nocturnal Hemoglobinuria
Interventions
Imaging
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
19 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 27, 2014 · Synced Jul 23, 2026, 11:28 AM EDT
Terminated Phase 3 Interventional Results available

Study to Assess the Effect of Long-term Treatment With Voxelotor in Participants Who Have Completed Treatment in Study GBT440-031

NCT03573882
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Voxelotor
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years to 65 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
34
States / cities
Little Rock, Arkansas • Oakland, California • Miami, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Jul 23, 2026, 11:28 AM EDT
Recruiting Not applicable Interventional

Stress Management and Mindfulness Intervention for Patients With Sickle Cell Disease

NCT07316478
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Stress Management and Mindfulness Intervention for Patients with Sickle Cell Disease
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Not applicable Interventional Results available

Music Therapy in Sickle Cell Pain Mixed Methods Study

NCT02270060
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Music Therapy, Music Listening
Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 20, 2019 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Not applicable Interventional

Cognitive Rehabilitation in Sickle Cell Disease

NCT01793740
View directory record Official record
Conditions
Sickle Cell Disease, Cognitive Impairment
Interventions
Cogmed
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years to 16 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2014 · Synced Jul 23, 2026, 11:28 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Human Biospecimens for Basic and Clinical Research Into Globin Variants

NCT03937817
View directory record Official record
Conditions
Alpha and Beta Thalassemia, Sickle Cell Disease, Malaria, Human Physiology
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 23, 2026, 11:28 AM EDT
Terminated Phase 3 Interventional

A Stratified Sickle Event Randomized Trial (ASSERT)

NCT00102791
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
ICA-17043
Drug
Lead sponsor
Icagen
Industry
Eligibility
16 Years to 65 Years
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
42
States / cities
Mobile, Alabama • Little Rock, Arkansas • Davis, California + 39 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2008 · Synced Jul 23, 2026, 11:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Flow and Pain Crises in People With Sickle Cell Disease

NCT01568710
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2018 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Phase 3 Interventional Results available

A Phase III Safety and Efficacy Study of L-Glutamine to Treat Sickle Cell Disease or Sickle βo-thalassemia

NCT01179217
View directory record Official record
Conditions
Sickle Cell Anemia, Sickle ß0-Thalassemia
Interventions
L-glutamine, Placebo
Drug
Lead sponsor
Emmaus Medical, Inc.
Industry
Eligibility
5 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
31
States / cities
Mobile, Alabama • Phoenix, Arizona • Inglewood, California + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Not applicable Interventional Results available

Patient-Provider Tools to Improve the Transition to Adult Care in Sickle Cell Disease

NCT02200510
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Self-management intervention for Adolescents with SCD, Patient Portal Intervention for Adolescents with SCD
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
13 Years to 24 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Not applicable Interventional

Adherence to Hydroxyurea in Children With Sickle Cell Anemia

NCT00672789
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Blood smear education, standard education
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
2 Years to 17 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 26, 2013 · Synced Jul 23, 2026, 11:28 AM EDT
Completed No phase listed Observational

A 3-year, Prospective, Non-interventional, Multicenter Registry in Sickle Cell Disease (SCD) Patients

NCT01220115
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
Novartis
Industry
Eligibility
2 Years and older
Enrollment
498 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
42
States / cities
Little Rock, Arkansas • Oakland, California • Orange, California + 31 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Phase 2 Interventional Results available

Nitrous Oxide Analgesia Vaso-occlusive Crisis

NCT01891812
View directory record Official record
Conditions
Sickle Cell Disease, Vaso-occlusive Crisis
Interventions
Nitrous oxide 50%
Drug
Lead sponsor
Columbia University
Other
Eligibility
8 Years to 18 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Phase 2Phase 3 Interventional

A Safety and Efficacy Study Evaluating CTX001 in Subjects With Severe Sickle Cell Disease

NCT03745287
View directory record Official record
Conditions
Sickle Cell Disease, Hematological Diseases, Hemoglobinopathies
Interventions
CTX001
Biological
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years to 35 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
9
States / cities
Palo Alto, California • Chicago, Illinois • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced Jul 23, 2026, 11:28 AM EDT
Terminated Phase 2 Interventional Results available

Combination Therapy Compared With Single-Drug Therapy in Patients With Cardiac Diseases

NCT00115349
View directory record Official record
Conditions
Cardiovascular Diseases, Heart Diseases, Beta-Thalassemia
Interventions
Deferoxamine, Deferiprone (L1)
Drug
Lead sponsor
Carelon Research
Other
Eligibility
18 Years to 100 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
6
States / cities
Los Angeles, California • Oakland, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Jul 23, 2026, 11:28 AM EDT
Terminated Not applicable Interventional Results available

Acupuncture for Adults With Sickle Cell Disease (SCD): A Feasibility Study

NCT04156399
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Acupuncture
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Jul 23, 2026, 11:28 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exercise Capacity in Pediatric Sickle Cell Anemia

NCT01527799
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Not listed
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
8 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 3, 2016 · Synced Jul 23, 2026, 11:28 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Sickle Cell Disease and the Genomic and Gene Therapy Needs of Stakeholders

NCT04416178
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
13 Years and older
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Phase 3 Interventional Results available

Expanded Access of Deferasirox to Patients With Congenital Disorders of Red Blood Cells and Chronic Iron Overload

NCT00235391
View directory record Official record
Conditions
Thalassemia, Sickle Cell Disease, Diamond Blackfan Anemia, Myelofibrosis
Interventions
Deferasirox
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
2 Years and older
Enrollment
1,683 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
27
States / cities
Little Rock, Arkansas • Berkeley, California • Orange, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2011 · Synced Jul 23, 2026, 11:28 AM EDT
Completed Phase 2 Interventional Results available

Decitabine for High-Risk Sickle Cell Disease

NCT01375608
View directory record Official record
Conditions
Neutropenia, Sickle Cell Disease
Interventions
Decitabine
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Jul 23, 2026, 11:28 AM EDT
Recruiting Phase 1 Interventional

Hematopoietic Stem Cell BCL11A Enhancer Gene Editing for Severe β-Hemoglobinopathies

NCT06647979
View directory record Official record
Conditions
Sickle Cell Disease, Sickle Cell Anemia (HbSS, or HbSβ-thalassemia0), Beta-Thalassemia, Transfusion Dependent Beta-Thalassaemia
Interventions
autologous bone marrow derived CD34+ HSPCs electroporated with BCL11A enhancer targeting Cas9 ribonucleoprotein, Sequencing Assay for Variant rs114518452
Biological · Device
Lead sponsor
Daniel Bauer
Other
Eligibility
13 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Jul 23, 2026, 11:28 AM 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 23, 2026, 11:28 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Zinc and Diabetes in Patients With Thalassemia: a Pilot Study

NCT01772680
View directory record Official record
Conditions
Thalassemia
Interventions
Zinc Supplementation
Dietary Supplement
Lead sponsor
UCSF Benioff Children's Hospital Oakland
Other
Eligibility
12 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Jul 23, 2026, 11:28 AM EDT
Recruiting Phase 3 Interventional

Study of a Single Dose of a 21-valent Pneumococcal Conjugate Vaccine in Children and Adolescents With Sickle Cell Disease

NCT07247188
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi
Industry
Eligibility
2 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Atlanta, Georgia • Omaha, Nebraska • New Brunswick, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 23, 2026, 11:28 AM EDT