Sickle cell disease: trials for referral
218 open trials in the registries we read. Each row links to its registry record.
Registry data only. Frontlight does not judge whether a patient can take part: the trial team decides.
Where the open trials are
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218 trials shown
Phase 42 sites
RecruitingUnited States
NCT06665997
Clinical and Biomarker Effects of Depot Medroxyprogesterone Acetate in Females With Sickle Cell Disease
University of Pennsylvania
Registry updated 5 Nov 2026
Registry record: ClinicalTrials.govPhase 11 site
RecruitingUnited States
NCT05904093
Study to Evaluate the Safety and Tolerability of Escalating Doses of Fostamatinib in Subjects With Stable Sickle Cell Disease
National Heart, Lung, and Blood Institute (NHLBI)
Registry updated 5 Nov 2026
Registry record: ClinicalTrials.govPhase 11 site
Not yet recruitingUnited States
NCT07799571
Buprenorphine for the Management of Pain in Children With Sickle Cell Disease
Natasha Archer
Registry updated 4 Nov 2026
Registry record: ClinicalTrials.govPhase 240 sites
RecruitingBelgium, France, United Kingdom, Italy, Netherlands, United States
NCT07224360
Safety of Anumigilimab (CSL324) in Adults With Sickle Cell Disease (SCD)
CSL Behring
Registry updated 3 Nov 2026
Registry record: ClinicalTrials.govPhase 10 sites
Not yet recruiting
NCT05605366
Minocycline In Neurocognitive Outcomes - Sickle Cell Disease
University of Cincinnati
Registry updated 3 Nov 2026
Registry record: ClinicalTrials.govPhase 24 sites
RecruitingCanada
NCT07282210
Efficacy and Safety of SIL-8301 for Control of Hemolysis in a Uniform Sickle Cell Disease Endotype
Biossil Inc.
Registry updated 2 Nov 2026
Registry record: ClinicalTrials.govNo phase1 site
Not yet recruitingUnited States
NCT07910396
Focused Ultrasound Neuromodulation for Chronic Pain
University of Minnesota
Registry updated 2 Nov 2026
Registry record: ClinicalTrials.govNo phase5 sites
Not yet recruitingUnited States
NCT06743113
Hypoxic Red Blood Cells in Sickle Cell Anemia
Hemanext
Registry updated 2 Nov 2026
Registry record: ClinicalTrials.govPhase 318 sites
RecruitingBelgium, France, Ireland, Italy, United States
NCT07656415
A Study to Investigate the Effect of Mitapivat on Transfusion Burden in Subjects With Sickle Cell Disease (SCD)
Agios Pharmaceuticals, Inc.
Registry updated 28 Oct 2026
Registry record: ClinicalTrials.govPhase 423 sites
By invitation onlyBelgium, Brazil, Canada, France, United Kingdom, Israel
NCT05777993
A Study to Provide Access to Mitapivat for Participants Who Previously Participated in an Agios-Sponsored Mitapivat Study
Agios Pharmaceuticals, Inc.
Registry updated 28 Oct 2026
Registry record: ClinicalTrials.govPhase 1/213 sites
RecruitingBrazil, United States
NCT06546670
A Phase I/II Study of ITU512 in Healthy Participants and Patients With Sickle Cell Disease
Novartis Pharmaceuticals
Registry updated 27 Oct 2026
Registry record: ClinicalTrials.govPhase 1/21 site
RecruitingUnited States
NCT04008368
Repeat Peripheral Blood Stem Cell Transplantation for Patients With Sickle Cell Disease and Falling Donor Myeloid Chimerism Levels
National Heart, Lung, and Blood Institute (NHLBI)
Registry updated 26 Oct 2026
Registry record: ClinicalTrials.govPhase 21 site
RecruitingUnited States
NCT04099966
AlloSCT for Malignant and Non-malignant Hematologic Diseases Utilizing Alpha/Beta T Cell and CD19+ B Cell Depletion
Mitchell Cairo
Registry updated 23 Oct 2026
Registry record: ClinicalTrials.govNo phase1 site
RecruitingUnited States
NCT07090668
Trans-auricular Nerve Stimulation as an Innovative Approach to the Treatment of Pain in Pediatric Patients Suffering From Sickle Cell Disease
Emory University
Registry updated 22 Oct 2026
Registry record: ClinicalTrials.govPhase 11 site
RecruitingUnited States
NCT07708350
Hematopoietic Stem Cell BCL11A Enhancer Gene Editing for Sickle Cell Disease
Daniel Bauer
Registry updated 21 Oct 2026
Registry record: ClinicalTrials.govPhase 11 site
RecruitingUnited States
NCT07566494
Escalating Doses of VAS-101 in Subjects With Stable Sickle Cell Disease
National Heart, Lung, and Blood Institute (NHLBI)
Registry updated 21 Oct 2026
Registry record: ClinicalTrials.govPhase 1/23 sites
RecruitingUnited States
NCT04774536
Transplantation of Clustered Regularly Interspaced Short Palindromic Repeats Modified Hematopoietic Progenitor Stem Cells (CRISPR_SCD001) in Patients With Severe Sickle Cell Disease
Mark Walters, MD
Registry updated 20 Oct 2026
Registry record: ClinicalTrials.govNo phase1 site
RecruitingUnited States
NCT07674277
Virtual Reality for SCD VOC
University of Maryland, Baltimore
Registry updated 16 Oct 2026
Registry record: ClinicalTrials.govPhase 363 sites
RecruitingBelgium, Brazil, Germany, Spain, France, United Kingdom
NCT06975865
The Efficacy and Safety of Rilzabrutinib in Participants Aged 10 to 65 Years With Sickle-cell Disease
Sanofi
Registry updated 15 Oct 2026
Registry record: ClinicalTrials.govNo phase2 sites
Not yet recruitingUnited States
NCT07875777
Self-administered Acupressure in Patients With Sickle Cell Disease
University of Cincinnati
Registry updated 15 Oct 2026
Registry record: ClinicalTrials.govPhase 11 site
RecruitingUnited States
NCT06506461
Gene Editing For Sickle Cell Disease
St. Jude Children's Research Hospital
Registry updated 15 Oct 2026
Registry record: ClinicalTrials.govPhase 333 sites
RecruitingBrazil, Colombia, Kenya, Uganda, United States
NCT06439082
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)
Novartis Pharmaceuticals
Registry updated 15 Oct 2026
Registry record: ClinicalTrials.govPhase 1/21 site
RecruitingUnited States
NCT07599176
Partial Stem Cell Transplant for Sickle Cell Disease From Matched Donors
National Heart, Lung, and Blood Institute (NHLBI)
Registry updated 13 Oct 2026
Registry record: ClinicalTrials.govPhase 258 sites
RecruitingBelgium, Germany, Spain, France, United Kingdom, Greece
NCT06699849
Safety, Efficacy, and Pharmacokinetics of CSL889 in Adults and Adolescents With Sickle Cell Disease During Vaso-Occlusive Crisis
CSL Behring
Registry updated 8 Oct 2026 · The registries disagree on the status
Registry record: ClinicalTrials.govPhase 111 sites
RecruitingUnited States
NCT07187973
A Phase 1b, Open-Label Study of DISC-3405 in Participants With Sickle Cell Disease (SCD)
Disc Medicine, Inc
Registry updated 5 Oct 2026
Registry record: ClinicalTrials.govPhase 27 sites
RecruitingFrance, French Guiana
NCT06578507
Pharmacokinetics, Efficacy and Safety of Twice Daily Dosing Regimen of Hydroxycarbamide Dispersible Tablets in Children With Sickle Cell Disease
Theravia
Registry updated 1 Oct 2026
Registry record: ClinicalTrials.govPhase 11 site
RecruitingUnited States
NCT04055818
A Study of Nicotinamide With Oral Tetrahydrouridine and Decitabine to Treat High Risk Sickle Cell Disease
EpiDestiny, Inc.
Registry updated 30 Sept 2026
Registry record: ClinicalTrials.govEarly Phase 11 site
RecruitingUnited States
NCT06313398
Determination of Red Cell Survival in Sickle Cell Disease and Other Hemoglobinopathies Using Biotin Labeling
National Heart, Lung, and Blood Institute (NHLBI)
Registry updated 28 Sept 2026
Registry record: ClinicalTrials.govPhase 40 sites
Not yet recruiting
NCT07826988
Adaptive Platform Trial for Pain Management in Sickle Cell Vaso-Occlusive Crisis
Assistance Publique - Hôpitaux de Paris
Registry updated 18 Sept 2026
Registry record: ClinicalTrials.govPhase 3101 sites
RecruitingCanada, Germany, Egypt, Spain, France, United Kingdom
NCT06609226
A Research Study Looking at Long-term Treatment With Etavopivat in People With Sickle Cell Disease or Thalassaemia
Novo Nordisk A/S
Registry updated 18 Sept 2026 · The registries disagree on the status
Registry record: ClinicalTrials.gov
The same sites as a list
- United States132 open trials
- France39 open trials
- Italy14 open trials
- Canada14 open trials
- United Kingdom12 open trials
- Spain12 open trials
- Belgium11 open trials
- Germany10 open trials
- Türkiye9 open trials
- Nigeria9 open trials
- Netherlands7 open trials
- Brazil7 open trials
- Saudi Arabia6 open trials
- Greece6 open trials
- Uganda6 open trials
- Egypt6 open trials
- Oman5 open trials
- Kenya5 open trials
- Guadeloupe5 open trials
- India4 open trials
- Lebanon4 open trials
- China4 open trials
- Israel3 open trials
- Colombia3 open trials
- Ghana3 open trials
- Angola2 open trials
- Dominican Republic2 open trials
- Tanzania2 open trials
- Ireland1 open trial
- Japan1 open trial
- French Guiana1 open trial
- Australia1 open trial
- Jordan1 open trial
- Côte d’Ivoire1 open trial
- Iraq1 open trial
- Zambia1 open trial
- Jamaica1 open trial
- Austria1 open trial
- Pakistan1 open trial
- Malaysia1 open trial
- Congo - Kinshasa1 open trial
- Cyprus1 open trial
- Brunei1 open trial
- Argentina1 open trial
- Portugal1 open trial
- Denmark1 open trial
Who treats this
Institutions with trials or publications in this disease (OpenAlex, registries). Institutions only, no people.
Cincinnati Children's Hospital Medical Center
Cincinnati, United States
13 trials · 131 publications · ROR
What changed in the last 7 days
Registry facts, one per line, newest first.
Paused
Safety and Efficacy of KL003 Cell Injection in Severe Sickle Cell Disease
NCT07436767 · No phase · China
Source: ClinicalTrials.govOpened for recruitment
NCT07656415 · Phase 3 · Belgium, France, Ireland, Italy, United States
Source: ClinicalTrials.govPhase changed: Phase 2/3 → Phase 2
NCT06699849 · Phase 2 · Belgium, Germany, Spain, France, United Kingdom, Greece
Source: ClinicalTrials.govOpened for recruitment
NCT06699849 · Phase 2 · Belgium, Germany, Spain, France, United Kingdom, Greece
Source: ClinicalTrials.govOpened for recruitment
NCT06609226 · Phase 3 · Canada, Germany, Egypt, Spain, France, United Kingdom
Source: ClinicalTrials.govPhase changed: Phase 1/2 → Phase 2
NCT06198712 · Phase 2 · Canada, France, United Kingdom, Kenya, Lebanon, Nigeria
Source: ClinicalTrials.govClosed for recruitment
NCT05329649 · Phase 3 · Germany, United Kingdom, Italy, United States
Source: ClinicalTrials.govOpened for recruitment
NCT04657822 · Phase 4 · Belgium, Brazil, Colombia, Germany, Spain, France
Source: ClinicalTrials.govPhase changed: Phase 2/3 → Phase 3
A Study of Etavopivat in Adults and Adolescents With Sickle Cell Disease (HIBISCUS)
NCT04624659 · Phase 3 · Canada, Germany, Egypt, Spain, France, United Kingdom
Source: ClinicalTrials.govStatus changed: Recruiting → By invitation only
Long-term Follow-up of Subjects with Sickle Cell Disease Treated with Ex Vivo Gene Therapy
NCT04628585 · Phase 3 · France, United States
Source: ClinicalTrials.govStatus changed: Recruiting → By invitation only
A Long-term Follow-up Study in Participants Who Received CTX001
NCT04208529 · Phase 3 · Belgium, Canada, Germany, United Kingdom, Italy, United States
Source: ClinicalTrials.govPhase changed: Phase 1/2 → Phase 2/3
A Safety and Efficacy Study Evaluating CTX001 in Subjects With Severe Sickle Cell Disease
NCT03745287 · Phase 2/3 · Belgium, Canada, Germany, France, United Kingdom, Italy
Source: ClinicalTrials.govStatus changed: Completed → Running, not recruiting
NCT03814746 · Phase 3 · Belgium, Brazil, Canada, Colombia, Germany, Spain
Source: ClinicalTrials.govClosed for recruitment
NCT06699849 · Phase 2 · Belgium, Germany, Spain, France, United Kingdom, Greece
Source: ClinicalTrials.govClosed for recruitment
NCT04657822 · Phase 4 · Belgium, Brazil, Colombia, Germany, Spain, France
Source: ClinicalTrials.govClosed for recruitment
NCT06609226 · Phase 3 · Canada, Germany, Egypt, Spain, France, United Kingdom
Source: ClinicalTrials.govOpened for recruitment
NCT05329649 · Phase 3 · Germany, United Kingdom, Italy, United States
Source: ClinicalTrials.govStatus changed: Recruiting → Not yet recruiting
NCT07656415 · Phase 3 · Belgium, France, Ireland, Italy, United States
Source: ClinicalTrials.govPhase changed: No phase → Phase 3
Long-term Follow-up of Subjects with Sickle Cell Disease Treated with Ex Vivo Gene Therapy
NCT04628585 · Phase 3 · France, United States
Source: ClinicalTrials.gov
Results card
Trials that finished or stopped in the last 3 years, with the reason the registry gives and linked publications.
No phaseEnded 31 Oct 2026
Paused3 participants
NCT05457790
Feasibility and Preliminary Efficacy of Acceptance and Commitment Therapy (ACT) for Sleep Disturbances in Adults With Sickle Cell Disease (SCD)
Reason given: Study on hold pending consideration for amendment.
No phaseEnded 1 Oct 2026
No phaseEnded Sept 2026
Completed70 participants
NCT02785848
Identifying Barriers and Strategies to Support Self-efficacy for Medication Adherence With Text Messaging
No phaseEnded 23 Jul 2026
Completed60 participants
NCT06264700
Applying Directly Observed Therapy to Hydroxyurea to Realize Effectiveness
No phaseEnded 9 Jul 2026
Phase 2Ended 2 Jul 2026
Stopped early1 participant
NCT07401823
Open-Label Extension Study to Pioneer Study 6058-SCD-101
Reason given: Sponsor Decision
Phase 2Ended 30 Jun 2026
Phase 1Ended 1 Jun 2026
Stopped early13 participants
NCT07431398
Single-dose Pharmacokinetics of Pociredir in Participants With Sickle Cell Disease
Reason given: Sponsor decision
Phase 2Ended 28 May 2026
No phaseEnded 8 May 2026
Completed25 participants
NCT07402811
Mindfulness-Based Intervention for Pain and Sleep in Adolescents and Young Adults With Sickle Cell Disease
No phaseEnded 6 May 2026
Phase 2Ended 9 Apr 2026
Phase 1Ended 31 Mar 2026
No phaseEnded 13 Mar 2026
Completed239 participants
NCT04484272
A Stress and Pain Self-management m-Health App for Adult Outpatients With Sickle Cell Disease
No phaseEnded 12 Mar 2026
Phase 2Ended 9 Mar 2026
Completed12 participants
NCT05725902
Study of the Effect of Etavopivat on Cerebral Hemodynamic Response in Children With Sickle Cell Disease
Phase 2Ended 5 Mar 2026
Completed6 participants
NCT06023199
Assessing Physical Function in Sickle Cell Patients Taking Voxelotor
No phaseEnded 1 Mar 2026
Phase 2Ended 28 Feb 2026
Completed379 participants
NCT04906447
Hybrid Effectiveness-Implementation Trial of Guided Relaxation and Acupuncture for Chronic Sickle Cell Disease Pain
- Depression, pain, and catastrophizing in adults with sickle cell disease and chronic pain. · General hospital psychiatry, 2026
Phase 2Ended 12 Feb 2026
Completed17 participants
NCT06286046
A Clinical Study of Mitapivat in Patients with Sickle Cell Disease and Kidney Disease
Show more
Phase 2Ended 11 Feb 2026
Completed35 participants
NCT05861453
Pharmacokinetics, Pharmacodynamics and Safety of Epeleuton in Patients With Sickle Cell Disease
Phase 1Ended 20 Jan 2026
Completed45 participants
NCT05169580
Safety, Tolerability, Pharmacokinetics and Pharmacodynamics of Pociredir
No phaseEnded 31 Dec 2025
No phaseEnded 30 Dec 2025
Completed50 participants
NCT06939933
Effect of Aquatic Exercises on Muscle Strength and Quality of Life in Children With Sickle Cell Anemia
Phase 1/2Ended 11 Dec 2025
Stopped early1 participant
NCT06078696
Siplizumab for Sickle Cell Disease Transplant
Reason given: Closed by the industry collaborator
No phaseEnded 2 Dec 2025
Completed93 participants
NCT07721155
Objective Neurocognitive Assessment of Young Children With Sickle Cell Disease by Eye-Tracking
Phase 1Ended 21 Nov 2025
Phase 3Ended 7 Nov 2025
Stopped early242 participants
NCT05348915
A Study to Evaluate the Long-term Safety of Inclacumab Administered to Participants With Sickle Cell Disease
Reason given: Sponsor decision to terminate study based on results of parent study GBT2104-131.
Phase 2/3Ended 7 Nov 2025
No phaseEnded 1 Oct 2025
No phaseEnded 30 Sept 2025
Completed8400 participants
NCT07305181
Prevalence of Abnormal Haemoglobin Variants in Metropolitan Chattogram, Bangladesh
Phase 1/2Ended 24 Sept 2025
Completed4 participants
NCT02247843
Stem Cell Gene Therapy for Sickle Cell Disease
- Clinical outcomes of lentiviral vector gene therapy for sickle cell disease. · Blood advances, 2026
Phase 2Ended 24 Sept 2025
Completed53 participants
NCT04987489
A Study of Etavopivat in Patients With Thalassemia or Sickle Cell Disease
Phase 1Ended 22 Sept 2025
Stopped early11 participants
NCT05660265
A Study to Investigate the Safety, Tolerability, and Pharmacokinetics of Oral GSK4172239D Compared With Placebo in Sickle Cell Disease Participants Aged 18 to 50 Years
Reason given: Sponsor decision to terminate the study due to strategic business consideration and not related to safety.
No phaseEnded 16 Sept 2025
Completed36 participants
NCT04688411
An mHealth Strategy to Improve Medication Adherence in Adolescents With Sickle Cell Disease
Phase 1Ended 15 Aug 2025
No phaseEnded 8 Aug 2025
Completed33 participants
NCT05714098
Gerofit Exercise Intervention for Older Adults With Sickle Cell Disease (SICKLE-FIT Study)
- The SickleFit Tele-Exercise Program for older adults with sickle cell disease: feasibility, acceptability, safety study. · Blood red cells & iron, 2026
No phaseEnded 31 Jul 2025
Completed30 participants
NCT06251843
Support Strategies for Parents During the First Year Following Their Child's Diagnosis of Sickle Cell Disorder
No phaseEnded Jul 2025
Completed10 participants
NCT01758042
Bone Marrow and Kidney Transplant for Patients With Chronic Kidney Disease and Blood Disorders
Phase 2Ended 24 Jul 2025
Completed96 participants
NCT05405114
Research Study Investigating How Well NDec Works in People With Sickle Cell Disease
Phase 1/2Ended 17 Jul 2025
Phase 2/3Ended 7 Jul 2025
Completed63 participants
NCT03745287
A Safety and Efficacy Study Evaluating CTX001 in Subjects With Severe Sickle Cell Disease
No phaseEnded 30 Jun 2025
No phaseEnded 30 Jun 2025
Completed40 participants
NCT06580067
The Feasibility of the Pray Until Something Happens (PUSH) Intervention-OUTPATIENT
No phaseEnded 30 Jun 2025
Completed120 participants
NCT04380610
Improving Scientific Rigor of Renal Clinical Endpoints for Sickle Cell Anemia
No phaseEnded 30 Jun 2025
Completed18 participants
NCT04109820
Effect of MitoQ on Platelet Function and Reactive Oxygen Species Generation in Patients With Sickle Cell Anemia
Phase 1Ended 24 Jun 2025
Completed10 participants
NCT05618301
Motixafortide and Natalizumab to Mobilize CD34+ Hematopoietic Stem Cells for Gene Therapies in Sickle Cell Disease (SCD)
No phaseEnded 17 Jun 2025
Completed52 participants
NCT06345638
Sex Hormones and Inflammatory Biomarkers in Patients With Sickle Cell Disease
No phaseEnded 5 Jun 2025
No phaseEnded 2 Jun 2025
No phaseEnded 29 May 2025
Completed68 participants
NCT04691323
The Longitudinal Relationship of HU Adherence to HRQOL, Barriers to Adherence and Habit in SCD.
No phaseEnded 26 May 2025
Completed257 participants
NCT06650059
Cohort Study of Sickle Cell Patients Evaluating Analgesic Strategies and Their Consequences
Phase 1Ended 30 Apr 2025
No phaseEnded 30 Mar 2025
Phase 1Ended 27 Mar 2025
Phase 3Ended 19 Mar 2025
No phaseEnded 19 Mar 2025
Completed1063 participants
NCT06835335
Opioid Prescribing in the Emergency Department for Sickle Cell Disease
No phaseEnded 17 Mar 2025
Completed72 participants
NCT04754711
Interest of Nutritional Care of Children With Sickle Cell Disease on Bone Mineral Density and Body Composition
Phase 3Ended 10 Mar 2025
Completed270 participants
NCT04750707
Hydroxyurea Therapy for Neurological and Cognitive Protection in Pediatric Sickle Cell Anemia in Uganda ( BRAINSAFE-II )
Phase 1/2Ended 27 Feb 2025
Not medical advice. fetched 8 Nov 2026