These regimens tend to be less aggressive than traditional myeloablative therapies. The specific regimens mentioned include: Fludarabine plus Melphalan: A combination of 2 drugs used for conditioning.
A new research paper titled "ABT199/venetoclax synergism with thiotepa enhances the cytotoxicity of fludarabine, cladribine and busulfan in AML cells" has been published in Oncotarget.