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‹ Fri · 16 Oct 2026
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A Pilot Study of Condensed Busulfan, Melphalan, and Fludarabine Myeloablative Conditioning in Ex Vivo CD34-Selected Allogeneic Hematopoietic Cell Transplantation.

A shortened five-day stem cell transplant conditioning regimen maintained safety while showing favorable survival, supporting further investigation.

This pilot single-arm transplantation study evaluated Myeloablative conditioning (MAC) with busulfan, melphalan, and fludarabine (Bu/Mel/Flu) given over 8 days in combination with rabbit antithymocyte globulin (ATG) and ex vivo CD34+-selected allogeneic hematopoietic cell transplantation (allo-HCT) leads to favorable disease control and consistently low rates of graft-versus-host d. The authors report that the condensed 5-day regimen was associated with a comparable toxicity profile to the prior sequential 8-day regimen and with favorable survival outcomes supporting further study of this MAC regimen in the context of ex vivo CD34+ selection.

What the study was

Study design
Pilot single-arm transplantation study
Sample size
30
Category
Treatment Innovation
Maturity
Exploratory
Journal
Transplantation and cellular therapy

Why it surfaced

7/10: Pilot single-arm transplantation study with direct relevance to Hematologic malignancies; scoring remains conservative because triage used the PubMed abstract without full-text review.

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