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KMID : 0366220160510030193
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Korean Journal of Hematology
2016 Volume.51 No. 3 p.193 ~ p.199
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Bendamustine in heavily pre-treated multiple myeloma patients: Results of a retrospective analysis from the Korean Multiple Myeloma Working Party
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Kim Seok-Jin
Bang Soo-Mee
Choi Yoon-Seok
Jo Deog-Yeon
Kim Jin-Seok
Lee Hye-Won
Eom Hyeon-Seok
Yoon Dok-Hyun
Suh Cheol-Won
Lee Je-Jung
Hong Jun-Shik
Lee Jae-Hoon
Koh Young-Il
Kim Ki-Hyun
Yoon Sung-Soo
Min Chang-Ki
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Abstract
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Background: Bendamustine may be a potential treatment option for patients with myeloma, but little is known about the utility of bendamustine as a salvage treatment, especially in Asian patients.
Methods: We performed a multicenter retrospective study of patients with relapsed or refractory myeloma who received bendamustine and prednisone.
Results: The records of 65 heavily pre-treated patients, who had undergone bortezomib and lenalidomide treatment (median number of previous treatments: 5), were analyzed. The median time from diagnosis to bendamustine treatment was 3.8 years, and the median patient age was 63 years (range, 38?77 yr). The responses to the last treatment before bendamustine were refractory disease (N=52, 80%) or disease progression from partial response (N=13, 20%). Twenty-three patients responded to the treatment, with an overall response rate of 35% (23/65), and the median number of bendamustine treatment cycles was two (range, 1?5 cycles). The median overall survival after bendamustine treatment was 5.5 months and the overall survival rate in responders to bendamustine was significantly better than that in non-responders (P=0.036).
Conclusion: Bendamustine may be a potential salvage treatment to extend survival in a select group of heavily pre-treated patients with relapsed or refractory myeloma.
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KEYWORD
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Myeloma, Bendamustine, Response, Toxicity, Survival
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