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Study identifier: NCT05736419 Synced from ClinicalTrials.gov · July 28, 2026
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A Study of Immune Suppression Treatment for People With Sickle Cell Disease or β-Thalassemia Who Are Going to Receive an Allogeneic Hematopoietic Cell Transplantation (HCT)

Condition: Sickle Cell Disease · Thalassemia, Beta · Thalassemia  ·  Sponsor: Memorial Sloan Kettering Cancer Center

PhasePhase 2
Planned participants24
Who can joinAll sexes, 2 Years to 50 Years
Healthy volunteersNo

About this study

Hematopoietic Cell Transplantation/HCT involves receiving healthy blood-forming cells (stem cells) from a donor to replace the diseased or damaged cells in participants' bone marrow. The researchers think giving participants treatment with fludarabine and dexamethasone, drugs that lower the activity of the body's immune system (immune suppression), before standard conditioning therapy and HCT may help prevent serious side effects, including graft failure and GvHD. In this study, depending on how participants' body responds to the fludarabine and dexamethasone, the study doctor may decide participants should receive another drug, called cyclophosphamide, instead of fludarabine. In addition, depending on the results of participants' routine blood tests, participants may receive the drugs bortezomib and rituximab, which also help with immune suppression.

This description comes directly from the study's public registry record.

Talk to the study team

Maria Cancio, MD  ·  212-639-2446  ·  canciom@mskcc.org

Jaap Jan Boelens, MD, PhD  ·  212-639-3643  ·  boelensj@mskcc.org

Always discuss trial participation with your own doctor first.

Locations (6)

Memorial Sloan Kettering at Basking Ridge (Consent only)Basking Ridge, New Jersey, United StatesRecruiting
Memorial Sloan Kettering Monmouth (Consent only)Middletown, New Jersey, United StatesRecruiting
Memorial Sloan Kettering Bergen (Consent only)Montvale, New Jersey, United StatesRecruiting
Memorial Sloan Kettering Suffolk - Commack (Consent only)Commack, New York, United StatesRecruiting
Memorial Sloan Kettering Westchester (Consent only)Harrison, New York, United StatesRecruiting
Memorial Sloan Kettering Nassau (All protocol activities)Rockville Centre, New York, United StatesRecruiting

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Source record: clinicaltrials.gov/study/NCT05736419