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Age-Stratified Conditioning Regimen Efficacy for MDS Haplo-HSCT
Sponsor: Peking University People's Hospital
Summary
This study plan aims to enroll adult patients diagnosed with myelodysplastic syndrome (MDS) who are scheduled to receive T-cell-replete haploidentical hematopoietic stem cell transplantation. After obtaining written informed consent, participants will receive either reduced-toxicity Bu/Flu/Cy/ATG conditioning regimen (for patients aged ≥55 years) or standard myeloablative modified Bu/Cy+ATG conditioning regimen (for patients aged \<55 years) followed by unified post-transplant immunosuppression and supportive care. The objective is to prospectively characterize the 1-year transplant-related mortality and comprehensively evaluate hematopoietic engraftment, graft-versus-host disease, infection, relapse, survival outcomes and conditioning-related organ toxicity among all enrolled patients undergoing haploidentical transplantation.
Official title: Prospective Cohort Study of Age-Stratified Busulfan-Based Conditioning Regimens in Adult Patients With Myelodysplastic Syndrome Receiving Haploidentical Hematopoietic Stem Cell Transplantation
Key Details
Gender
All
Age Range
18 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
120
Start Date
2026-07-15
Completion Date
2028-06-30
Last Updated
2026-09-16
Healthy Volunteers
No
Conditions
Interventions
RTC conditioning regimen and Modified Bu/Cy conditioning regimen
RTC preconditioning regimen consisted of cytarabine (2g/m2/day, days -10 to -9), busulfan (3.2 mg/kg/day on days -8 to -6), cyclophosphamide (1.0 g/m2/day, days -5 to -4), fludarabine (30 mg/m2/day, days -6 to -2), semustine (250 mg/m2, day-3), and rabbit antithymocyte globulin (thymoglobulin, 2.5 mg/kg/d, days -5 to -2; Sanofi, France). Bu/Cy preconditioning regimen consisted of tandard institutional myeloablative busulfan + cyclophosphamide + rabbit ATG regimen per department routine dosing guidelines.
Locations (1)
Peking University People's Hospital, Beijing Lu Daopei Hematology Hospital, Hebei Yanda Lu Daopei Hospital, Nanfang Hospital, Southern Medical University
Beijing, China