JCO:20年临床研究表明干扰素治疗对多数III期黑色素瘤病人无益

2016-02-19 佚名 不详

                         一项名为“Sunbelt Melanoma Trial”的临床研究最终结果表明,根据目前的临床诊断手段,对于大多数黑色素瘤癌症三期病人来说干扰素治疗并不会给他们带来获益。来自美国路易斯维尔大学的研究人员将相关研究结果在

                        

一项名为“Sunbelt Melanoma Trial”的临床研究最终结果表明,根据目前的临床诊断手段,对于大多数黑色素瘤癌症三期病人来说干扰素治疗并不会给他们带来获益。来自美国路易斯维尔大学的研究人员将相关研究结果在线发表在了国际学术期刊Journal of Clinical Oncology上。

这项开始于1997年的临床研究共包含超过3600名临床病人,这些病人的单个淋巴结中有少量的黑色素瘤,其中一部分病人接受高剂量的干扰素治疗,另外一部分病人只进行简单的观察。研究人员对参与研究的病人进行了长达10年的跟踪调查以确定病人的无病生存率以及整体生存率。

1995年干扰素通过美国FDA批准用于治疗黑色素瘤,在检测该药物作用效果的临床研究中,参与研究的病人都携带多个较大的可通过触摸诊断的黑色素瘤转移淋巴结,但随着90年代前哨淋巴结活检技术(SLN)的发展,医生可以检测到淋巴结中触摸无法察觉到的微小肿瘤。

由于黑色素瘤出现在参与Sunbelt临床研究的病人的淋巴结中,因此他们被诊断为癌症III期,但是由于淋巴结中的肿瘤较少,他们相比于SLN技术出现之前被诊断为癌症III期的病人来说出现癌症复发的风险也相对更低。文章作者McMasters指出,他们还对只能通过PCR技术在分子层面上进行诊断的癌症III期病人进行了临床研究。

McMasters表示,他们进行这项临床研究的目的在于研究干扰素治疗是否对低风险的癌症III期病人有效,但研究结果表明干扰素治疗似乎并没有为这些病人带来更多获益,甚至没有改善病人生存率的趋势。由于干扰素治疗方法也带有一定毒性,因此这项研究间接地为病人减轻了治疗痛苦,同时节省了治疗费用。基于这些发现,研究人员认为不适合推荐只在一个淋巴结中出现少量肿瘤的病人进行干扰素治疗。

基于目前的检测手段,大部分癌症III期病人的淋巴结中都只有非常少量的肿瘤。因此虽然干扰素是FDA审批通过的黑色素瘤辅助治疗药物,但是对于多数病人来说未来或许会有更好的治疗选择。对黑色素瘤的深入研究将进一步推动新药物和治疗方法的开发。

原始出处:

McMasters KM, Egger ME, Edwards MJ, Ross MI, Reintgen DS, Noyes RD, Martin RC 2nd, Goydos JS, Beitsch PD, Urist MM, Ariyan S, Sussman JJ, Davidson BS, Gershenwald JE, Hagendoorn LJ, Stromberg AJ, Scoggins CR.Final Results of the Sunbelt Melanoma Trial: A Multi-Institutional Prospective Randomized Phase III Study Evaluating the Role of Adjuvant High-Dose Interferon Alfa-2b and Completion Lymph Node Dissection for Patients Staged by Sentinel Lymph Node Biopsy. J Clin Oncol. 2016 Feb 8. pii: JCO633776 doi: 10.1200/JCO.2015.63.3776

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    2016-10-18 juliusluan78
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    2016-11-17 sunylz
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    2016-06-03 lidong40
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