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TBF Conditioning Regimen for Haploidentical Stem Cell Transplantation in Elderly AML Patients in First Complete Remission
Sponsor: Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine
Summary
Acute myeloid leukemia (AML) is a serious blood cancer that mainly affects older adults. For patients who achieve their first complete remission (CR1), allogeneic hematopoietic stem cell transplantation (HSCT) may provide a chance for long-term survival. However, relapse after transplantation remains a major challenge. This study aims to evaluate the effectiveness and safety of a conditioning regimen that combines thiotepa, busulfan, and fludarabine (TBF) before haploidentical peripheral blood stem cell transplantation (haplo-PBSCT) in elderly patients with AML in first complete remission. Eligible patients will receive the TBF conditioning regimen followed by stem cell transplantation from a partially matched donor. Participants will be followed to assess relapse-free survival, overall survival, transplant-related complications, and infections. The results of this study may help improve treatment strategies and outcomes for elderly AML patients undergoing transplantation.
Official title: A Single-Center, Prospective, Single-Arm Clinical Study Evaluating the Efficacy and Safety of Thiotepa, Busulfan, and Fludarabine (TBF) Conditioning Regimen in Haploidentical Peripheral Blood Stem Cell Transplantation for Elderly Acute Myeloid Leukemia Patients in First Complete Remission
Key Details
Gender
All
Age Range
55 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
93
Start Date
2026-06
Completion Date
2030-06
Last Updated
2026-05-04
Healthy Volunteers
No
Conditions
Interventions
Thiotepa
Thiotepa is administered intravenously at a dose of 5 mg/kg on day -7 as part of the TBF conditioning regimen prior to haploidentical peripheral blood stem cell transplantation.
Busulfan (BU)
Busulfan is administered intravenously at a dose of 3.2 mg/kg on days -4 and -3 as part of the TBF conditioning regimen.
Fludarabine
Fludarabine is administered intravenously at a dose of 30 mg/m² daily from day -6 to day -2 as part of the conditioning regimen.
Haploidentical Peripheral Blood Stem Cell Transplantation
Haploidentical peripheral blood stem cell transplantation is performed on day 0 following conditioning. Donor stem cells are infused, and standard graft-versus-host disease prophylaxis and supportive care are provided according to institutional protocols.