Bendamustine, etoposide and dexamethasone to mobilize peripheral blood hematopoietic stem cells for autologous transplantation in patients with multiple myeloma.



Bone marrow transplantation, 2016; doi:10.1038/bmt.2016.123

Authors: Green D J, Bensinger W I, Holmberg L A, Gooley T, Till B G et al.(7)

Affiliation: Fred Hutchinson Cancer Research Center, United States; Fred Hutchinson Cancer Research Center, United States; Fred Hutchinson Cancer Research Center, United States; Fred Hutchinson Cancer Research Center, United States; Fred Hutchinson Cancer Research Center, United States (show more (7))

Sample size: 34

Abstract: Chemotherapeutic agents without cross-resistance to prior therapies may enhance PBSC collection and improve patient outcomes by exacting a more potent direct antitumor effect before autologous stem cell transplant. Bendamustine has broad clinical activity in transplantable lymphoid malignancies, but concern remains over the potential adverse impact of this combined alkylator-nucleoside analog on stem cell mobilization. We performed a prospective, nonrandomized phase II study including 34 patients with multiple myeloma (MM) (n=34; International Staging System (ISS) stages I (35%), II (29%) and III (24%); not scored (13%)) to evaluate bendamustine's efficacy and safety as a stem cell mobilizing agent. Patients received bendamustine (120 mg/m(2) IV days 1, 2), etoposide (200 mg/m(2) IV days 1-3) and dexamethasone (40 mg PO days 1- 4) (bendamustine, etoposide and dexamethasone (BED)) followed by filgrastim (10 μg/kg/day SC; through collection). All patients (100%) successfully yielded stem cells (median of 21.60 × 10(6)/kg of body weight; range 9.24-55.5 × 10(6)/kg), and 88% required a single apheresis. Six nonhematologic serious adverse events were observed in 6 patients including: neutropenic fever (1, grade 3), bone pain (1, grade 3) and renal insufficiency (1, grade 1). In conclusion, BED safely and effectively mobilizes hematopoietic stem cells.Bone Marrow Transplantation advance online publication, 23 May 2016; doi:10.1038/bmt.2016.123.














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