Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 27, 2026, 10:55 PM EDT

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Showing 649–672 of 998 matching trials from the live ClinicalTrials.gov search.
Conditions
Sickle Cell Disease, Executive Dysfunction, Cognitive Impairment, Attention Deficit/Hyperactivity Disorder (ADHD)
Interventions
Extended-Release Methylphenidate
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
8 Years to 17 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Sickle Cell Disease, Vaso-occlusive Crisis, Pain Crisis
Interventions
GMI-1070, Placebo
Drug
Lead sponsor
GlycoMimetics Incorporated
Industry
Eligibility
12 Years to 60 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
21
States / cities
Birmingham, Alabama • Berkeley, California • Sacramento, California + 18 more
Conditions
Paroxysmal Nocturnal Hemoglobinuria (PNH)
Interventions
Ravulizumab, Eculizumab
Biological
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
Not listed
Enrollment
272 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
Los Angeles, California • Whittier, California • Fort Worth, Texas
Conditions
Sickle Cell Disease
Interventions
Guided Relaxation, Acupuncture
Behavioral · Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
379 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Gainesville, Florida • Atlanta, Georgia • Chicago, Illinois + 2 more
Conditions
Hemolysis Intravascular, Acute Decompensated Heart Failure
Interventions
Pentoxifylline Oral Product, Placebo
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Sickle Cell Disease
Interventions
Adherence Treatment Program, Education only
Behavioral
Lead sponsor
Johns Hopkins All Children's Hospital
Other
Eligibility
13 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St. Petersburg, Florida
Conditions
Sickle Cell Disease
Interventions
CSL889
Biological
Lead sponsor
CSL Behring
Industry
Eligibility
18 Years to 60 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Chicago, Illinois • Baltimore, Maryland • Minneapolis, Minnesota + 5 more
Completed No phase listed Observational Accepts healthy volunteers

Screening for Subjects to Participate in Studies of Blood Disorders

NCT00695123
Conditions
Bone Marrow Transplant, Sickle Cell Disease, G-CSF
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
816 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Enrolling by invitation Phase 1Phase 2 Interventional

The BENeFiTS Trial in Beta Thalassemia Intermedia

NCT04432623
Conditions
Beta Thalassemia Intermedia, Sickle Cell Disease
Interventions
Benserazide Only Product
Drug
Lead sponsor
Phoenicia BioScience
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
4
States / cities
Oakland, California • Boston, Massachusetts • Weston, Massachusetts + 1 more
Conditions
Warm Autoimmune Hemolytic Anemia
Interventions
ALXN1830, Placebo
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
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
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Warm Autoimmune Hemolytic Anemia
Interventions
M281, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
29
States / cities
Fountain Valley, California • Los Angeles, California • Riverside, California + 24 more
Conditions
Non-Transfusion Dependent Beta-Thalassemia (NTDT)
Interventions
REGN7999, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Sickle Cell Anemia, Sickle Cell Thalassemia, Sickle Cell Pain, Hbss, Hbsc, Sickle Beta Thalassemia, Sickle Beta Zero Thalassemia, Sickle Cell Syndrome Variant
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
16 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Sickle Cell Disease, Acute Chest Syndrome
Interventions
Tocilizumab
Drug
Lead sponsor
University of Chicago
Other
Eligibility
12 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
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
Conditions
Sickle Cell Disease, Stress, Pain
Interventions
Guided Relaxation video clip, Sickle Cell Disease Experience Discussion
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Sickle Cell Disease
Interventions
Plerixafor, Busulfan, BIVV003
Biological · Drug · Genetic
Lead sponsor
Sangamo Therapeutics
Industry
Eligibility
18 Years to 40 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
5
States / cities
Oakland, California • Sacramento, California • Atlanta, Georgia + 2 more
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effects of Transfusion of Older Stored Red Cells

NCT01534676
Conditions
Sickle Cell Disease, Thalassemia
Interventions
Transfusion, Blood, Chelation therapy
Procedure · Biological
Lead sponsor
Columbia University
Other
Eligibility
1 Year to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Completed Phase 1Phase 2 Interventional Results available

Hydroxyurea and EPO in Sickle Cell Disease

NCT05451940
Conditions
Anemia, Sickle Cell, Sickle Cell Disease
Interventions
Hydroxyurea, Epoetin Alfa-BioSimilar
Drug
Lead sponsor
Julia Xu
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Sickle Cell Anemia, Beta-thalassemia Major, Diamond-blackfan Anemia
Interventions
CD3/CD19 depleted leukocytes, CD45RA depleted leukocytes, Hydroxyurea, Rituximab, Alemtuzumab, Fludarabine, Thiotepa
Biological · Drug
Lead sponsor
Paul Szabolcs
Other
Eligibility
5 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Hemoglobinuria, Paroxysmal
Interventions
eculizumab
Drug
Lead sponsor
Alexion Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
19
States / cities
Los Angeles, California • Stanford, California • Hartford, Connecticut + 15 more
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
Completed No phase listed Observational Accepts healthy volunteers

Microvascular and Fibrosis Imaging Study

NCT01758250
Conditions
Autoimmune Diseases, Sickle Cell Disease, Chronic Graft Versus Host Disease
Interventions
Acoustic Radiation Force Impulse (ARFI), Laser Doppler Flowmetry (LDF), Laser Doppler Perfusion Imaging (LDI), Optical Coherence Tomography (OCT), Orthogonal Polarization Spectral Imaging (OPSI), Nail fold video capillaroscopy (NVC)
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Durham, North Carolina