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Reduced ATG Plus Mini PTCy for GVHD Prophylaxis in Haplo-SCT
Sponsor: Peking University People's Hospital
Summary
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is regarded as a curative therapy for a variety of hematological malignancies and nonmalignant diseases. However, donor limitations have restricted the widespread use of allo-HSCT for a long period. The development and success of haploidentical allografts worldwide makes "everyone has a donor" a reality. In the past two decades, researchers have established several haploidentical HSCT (haplo-HSCT) protocols based on different approaches to induce immune tolerance. The representative approaches for haplo-HSCT without in vitro. T cell depletion include granulocyte colony-stimulating factor (G-CSF) plus Anti-human Thymocyte Immunoglobulin (ATG) based (Beijing Protocol) and post-transplantation cyclophosphamide based (PT-Cy, Baltimore Protocol) protocols. Both of two protocols have common problems that need to be solved, including infection transplantation related mortality and disease relapse. The main aim of this study is to explore whether the combined protocol can improve the efficacy of haploidentical transplantation further.
Official title: Reduced-dose Anti-thymocyte Globulin Plus Mini-dose Post-transplant Cyclophosphamide for GVHD Prevention in Haploidentical Donor HCT for Hematologic Malignancy
Key Details
Gender
All
Age Range
12 Years - 65 Years
Study Type
INTERVENTIONAL
Enrollment
40
Start Date
2025-05-21
Completion Date
2026-07-31
Last Updated
2025-07-25
Healthy Volunteers
No
Conditions
Interventions
Reduced ATG plus mini PTCy
The conditioning protocol comprises cytarabine (Ara-C) (4 g/m2/day, days -9), busulfan (Bu) (3.2 mg/kg/day, days -8 to -6), cyclophosphamide (Cy) (1.8 g/m2/kg, days -5 and -4), simustine (250 mg/m2, day -3) and r-ATG (total 7.5mg/kg ,from days -5 to -2). Mini PTCy 14.5mg/kg/day will be given on day +3 and +4.
Locations (1)
Peking University People'S Hospital
Beijing, China