Clinical trials
Sickle Cell Disease clinical trials
Below are recruiting sickle cell disease clinical trials, each written for real people, not researchers. We’re tracking 172 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT05477563RecruitingPhase 3
One-time gene therapy for severe sickle cell and transfusion anemia
This trial tests a single dose of gene therapy (CTX001) to improve outcomes for people with severe sickle cell disease or transfusion-dependent beta-thalassemia. It aims to see how well it works and whether it is safe, especially after a planned stem cell transplant process.
New York, New YorkAges 12–35 - NCT05383911Recruiting
Sickle cell care plan choices for teens and young adults
This trial tests a way to help teens and young adults with sickle cell disease (SCD) and their caregivers actively take part in treatment decisions. It focuses on improving shared decision-making through interviews and a partner-centered approach.
Wilmington, DelawareAges 15 years+ - NCT05377372Recruiting
Study of early exposures in babies with sickle cell disease
This study asks mothers of babies with sickle cell disease about early-life exposures and related factors. It may help researchers understand what might affect health in the first months of life.
Birmingham, AlabamaAges 18–50 - NCT05285917RecruitingPhase 3
Hydroxyurea safety study for young children with sickle cell
This trial tests a way to use hydroxyurea more safely and effectively in children with sickle cell anemia. It may help doctors fine-tune dosing to reduce complications and side effects.
LuandaAges 6 months–12 years - NCT05213572Recruiting
Deep health check study for adults with sickle cell disease
This study looks at how major organs like the brain, kidneys, heart, and liver are affected in adults with sickle cell disease, whether they've had a bone marrow transplant or gene therapy, or are continuing regular treatment. You'll get detailed tests that can help doctors understand the disease better, which may lead to improved care.
Bethesda, MarylandAges 18–100 - NCT05170412Recruiting
Diet habits study for adults with sickle cell disease
This study asks adults with sickle cell disease about what they eat and their eating routines. The goal is to understand diet patterns in sickle cell and how they may relate to health, which could help future care and guidance.
Bethesda, MarylandAges 18–120 - NCT04774536RecruitingPhase 1/Phase 2
CRISPR gene-edited bone marrow transplant for severe sickle cell
This Phase 1/2 study tests a CRISPR-edited bone marrow (stem cell) transplant to treat severe sickle cell disease. It aims to reduce dangerous sickle-related complications by changing the patient’s stem cells before transplant.
Los Angeles, CaliforniaAges 12–35 - NCT04819841RecruitingPhase 1/Phase 2
Gene correction using your own stem cells to improve sickle disease
This trial tests a gene-correction treatment that changes sickle hemoglobin (HbS) into normal hemoglobin (HbA) using your own stem cells. It may help reduce severe sickle cell complications for people with severe disease who meet specific safety and medical criteria.
Los Angeles, CaliforniaAges 12–50 - NCT01245179RecruitingPhase 1
Panobinostat for adults with severe sickle cell
This early-phase study tests panobinostat, a medicine aimed at reducing sickle-cell problems, in adults with severe disease. It’s mainly looking at safety and whether it can improve blood-related issues that drive pain and complications.
Augusta, GeorgiaAges 18 years+ - NCT04628585Enrolling by invitation
Follow-up for people with sickle cell treated with gene therapy
This study is a long-term follow-up for people who already received gene therapy for sickle cell disease in a specific sponsor’s clinical trial. It helps researchers watch for long-term safety and outcomes over time.
Birmingham, AlabamaAges 2–53 - NCT04657822RecruitingPhase 4
Crizanlizumab rollover study for people with sickle cell disease
This study lets people with sickle cell disease who already finished a Novartis crizanlizumab trial continue treatment under a rollover plan. It’s designed for participants who benefited from crizanlizumab and completed the earlier study schedule without major ongoing side effects.
Birmingham, AlabamaAges 6 months–100 years - NCT04416178Recruiting
Survey and interviews for families affected by sickle cell disease
This study collects feedback through surveys, interviews, and focus groups from people affected by sickle cell disease. Your input helps the research team improve how genomic and gene-therapy information and needs are understood for patients and caregivers.
Memphis, TennesseeAges 13 years+ - NCT04156893RecruitingPhase 1/Phase 2
RH-matched blood transfusions for sickle cell patients
This study tests whether giving red blood cells matched to your child’s RH (a blood marker) can improve safety and fit for people with sickle cell disease who need regular transfusions. It may help reduce mismatches by using blood units selected to match the child’s blood type more closely.
Philadelphia, PennsylvaniaAges 6 months+ - NCT04208529Enrolling by invitationPhase 3
Long-term follow-up after receiving CTX001 infusion
This study follows people for a long time after they received CTX001 in an earlier (parent) study. It helps researchers learn about long-term safety and outcomes of the treatment.
Palo Alto, CaliforniaAges 2 years+ - NCT04055818RecruitingPhase 1
Testing three medicines for high-risk sickle cell disease
This Phase 1 study tests whether nicotinamide, oral tetrahydrouridine, and decitabine can help people with high-risk sickle cell disease. It is mainly a safety-and-dosing study, but it also looks for signs the medicines may improve disease-related problems.
Chicago, IllinoisAges 18 years+ - NCT04093986Recruiting
Using past pregnancy records from women with sickle cell
This study looks back at past pregnancy and breastfeeding experiences in women with sickle cell disease who took hydroxyurea. It aims to better understand how hydroxyurea exposure may affect pregnancy and baby outcomes.
Cincinnati, OhioAges Any age - NCT04008368RecruitingPhase 1/Phase 2
Second stem cell transplant for sickle cell with declining donor cells
This Phase 1/2 study tests whether repeating a stem cell transplant can help people with sickle cell disease (SCD) whose donor cells are no longer holding strong. It may help restore healthier blood cell production and reduce symptoms such as pain crises and severe anemia.
Bethesda, MarylandAges 2–80 - NCT03685721Recruiting
Study genes in sickle cell disease to compare blood test activity
This study looks at how a person’s genes relate to certain measurements in red blood cells in people with sickle cell disease. The goal is to understand why blood cell function varies and how that might guide future care.
Bethesda, MarylandAges 18–80 - NCT03587272RecruitingPhase 2
Sibling bone marrow transplant to reduce treatment side effects
This study tests a way to do a bone marrow (stem cell) transplant from an HLA-matched sibling in children with sickle cell disease, aiming to lower the risk of serious side effects. You may be considered if you have certain past sickle complications and your body can safely handle the transplant plan.
Washington D.C., District of ColumbiaAges 2–25 - NCT03653338RecruitingPhase 1/Phase 2
Bone marrow transplant using donor blood to treat sickle cell
This trial tests a specific type of bone marrow transplant for people with sickle cell disease (or certain other blood disorders) who have had serious complications despite standard care. It aims to see if removing the patient’s immune cells and using a matched donor’s cells can improve outcomes and reduce complications.
Pittsburgh, PennsylvaniaAges 5–40 - NCT03353584Recruiting
Virtual reality for pain relief during sickle cell pain crises
This trial tests whether a virtual reality (VR) experience can help reduce pain during a sickle cell “vaso-occlusive crisis,” which is an episode of sudden, severe pain. It’s offered alongside the care team’s usual pain management to see if VR makes pain feel better.
Memphis, TennesseeAges 6–25 - NCT03214354RecruitingPhase 2
Stem cell transplant for children with sickle cell and ABO mismatch
This trial studies a stem cell transplant approach for children with sickle cell disease, using a sibling donor whose blood type is not compatible. It aims to see if this transplant method can safely reduce serious sickle cell complications.
Calgary, AlbertaAges 1–19 - NCT03279094RecruitingPhase 1
Testing a half-matched bone marrow transplant for sickle cell
This early-phase study tests whether a “half-matched” donor bone marrow transplant, with special medicines to calm the immune system before transplant, can improve outcomes for people with sickle cell disease. It may help high-risk patients who have frequent complications and don’t have a fully matched donor.
Duarte, CaliforniaAges 1–30 - NCT03121001RecruitingPhase 2
Transplant from a half-matched donor for aggressive sickle cell
This Phase 2 study tests a “half-matched” stem cell transplant to treat people with aggressive sickle cell disease. It may help by replacing the blood system using stem cells from a related donor who is close but not fully matched.
Chicago, IllinoisAges 16–60
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Common questions
- Are there clinical trials for sickle cell disease?
- Yes. Clin2 currently lists 172 recruiting sickle cell disease studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a sickle cell disease trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a sickle cell disease trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.