2016年6月6日 讯 /生物谷BIOON/ --目前很多临床试验都表明，利用药物来那度胺进行的维持疗法可以降低多发性骨髓瘤患者的疾病进展风险，然而在改善患者总体生存率上目前却并没有确定的研究结论。
此前有很多研究发现，在自体造血干细胞移植后进行来那度胺维持治疗或可改善新诊断多发性骨髓瘤患者的总体生存率，而其它多发性骨髓瘤患者却并未因此获益，相关研究发表于近日举办的2016年美国临床肿瘤学会年会上。
这项研究中，研究者对CALGB、IFM及GIMEMA进行的三项随机对照试验进行综合分析，研究包括1200多名参与者；其中有605名新诊断的多发性骨髓瘤患者，这些患者在自体造血干细胞移植后进行来那度胺维持治疗，同时对照为604名接受安慰剂或不进行维持治疗的患者，7年后研究者发现，进行来那度胺维持治疗的患者中有62%的患者存活着，而对照组中有50%的患者存活着，同时患者总体生存率在各研究组中基本一致。
研究者McCarthy说道，自体造血干细胞移植后进行来那度胺维持治疗被认为是一种治疗多发性骨髓瘤的标准疗法，过去十年里这种疗法明显改善了多发性骨髓瘤患者的生存率和生活质量，而且相关的研究结果也让研究者非常激动。
附：研究标题：Lenalidomide (LEN) maintenance (MNTC) after high-dose melphalan and autologous stem cell transplant (ASCT) in multiple myeloma (MM)： A meta-analysis (MA) of overall survival (OS)。（生物谷Bioon.com）
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Lenalidomide maintenance therapy improves overall survival for patients with multiple myeloma
While several clinical trials have demonstrated that maintenance therapy with lenalidomide reduces the risk of disease progression in patients with multiple myeloma, there have been no definitive results regarding overall survival. While some previous studies found that maintenance lenalidomide after autologous hematopoietic stem cell transplant improved overall survival for newly diagnosed multiple myeloma patients, others showed no benefit to this approach. Philip McCarthy, MD, Director of Blood & Marrow Transplant at Roswell Park Cancer Institute (RPCI), will present the findings of an international team of researchers at the American Society of Clinical Oncology (ASCO) 52nd Annual Meeting in Chicago.
The new study is a meta-analysis of three randomized controlled trials conducted by the Alliance for Clinical Trials in Oncology (formerly Cancer and Leukemia Group B) (CALGB) with support from the NCI, Intergroupe Francophone du Myélome (IFM), and the Gruppo Italiano Malattie Ematologiche dell'Adulto (GIMEMA). It involved more than 1,200 participants. For this analysis, 605 patients with newly diagnosed multiple myeloma and treated with continuous lenalidomide (brand name Revlimid) following autologous stem cell transplant were compared to 604 patients who were treated with placebo or no maintenance. At seven years, 62% of those treated with maintenance lenalidomide had survived, compared to 50% of those in the control group. The benefit in overall survival was consistent across subgroups.
"Lenalidomide maintenance following autologous stem cell transplant can now be considered a standard of care for people with multiple myeloma," says Dr. McCarthy, senior author on the meta-analysis and Principal Investigator of the U.S. study, CALGB (Alliance) 100104. "The improvements over the last decade in terms of both survival and quality of life for patients with this disease are striking, and very encouraging."......
