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Medline ® Abstract for Reference 161

of 'Treatment of relapsed or refractory multiple myeloma'

161
TI
Bendamustine-bortezomib-dexamethasone is an active and well-tolerated regimen in patients with relapsed or refractory multiple myeloma.
AU
Ludwig H, Kasparu H, Leitgeb C, Rauch E, Linkesch W, Zojer N, Greil R, Seebacher A, Pour L, Weißmann A, Adam Z
SO
Blood. 2014 Feb;123(7):985-91. Epub 2013 Nov 13.
 
Bendamustine with bortezomib and dexamethasone was evaluated in 79 patients with relapsed/refractory multiple myeloma. Median age was 64 years, and patients had a median of 2 prior treatment lines (range, 1 to 6 lines). Bendamustine 70 mg/m(2) days 1 and 4; bortezomib 1.3 mg/m(2) intravenously days 1, 4, 8, and 11; and dexamethasone 20 mg days 1, 4, 8, and 11 once every 28 days was given for up to 8 cycles. Primary end point was overall response rate (ORR). Secondary end points were progression-free survival (PFS), overall survival, time to response, and toxicity. ORR was 60.8%, and when minor responses were included, 75.9%. Median time to response was 31 days. ORR rate was similar in patients previously exposed to bortezomib, lenalidomide, and bortezomib plus lenalidomide. PFS was 9.7 and OS was 25.6 months. Multivariate analysis showed high lactate dehydrogenase,≥3 prior treatment lines, and low platelet counts correlating with short survival. Grade 3/4 thrombocytopenia was noted in 38%, and grade 3/4/5 infections were noted in 23%. Grade≤2 polyneuropathy increased from 19% at baseline to 52% at cycle 8 and grade 4, from 0% to 7%. Bendamustine-bortezomib-dexamethasone is active and well tolerated in patients with relapsed/refractory myeloma. This trial was registered in the EudraCT database asNo. 2008-006421-13.
AD
Department of Medicine I, Wilhelminenspital, Vienna, Austria;
PMID