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Radiother Oncol:调强放疗对鼻咽癌患者临床疗效较好

2012-09-29 网络 网络

  本文在鼻咽癌患者中,比较传统二维放疗和调强放疗的临床有效性和治疗对患者的毒性反应。由Gang Peng等进行的研究发表在Radiother Oncol 9月最新的在线期刊上。   在2003年7月至2008年10月中,共有616名I期至IVb期无转移的鼻咽癌患者纳入研究,他们被随机分入二维传统放疗组和调强放疗组,前组纳入了310名患者,后组纳入了306名患者。研究者对患者的临床预后、急性和晚

  本文在鼻咽癌患者中,比较传统二维放疗和调强放疗的临床有效性和治疗对患者的毒性反应。由Gang Peng等进行的研究发表在Radiother Oncol 9月最新的在线期刊上。

  在2003年7月至2008年10月中,共有616名I期至IVb期无转移的鼻咽癌患者纳入研究,他们被随机分入二维传统放疗组和调强放疗组,前组纳入了310名患者,后组纳入了306名患者。研究者对患者的临床预后、急性和晚期毒性反应进行了评估和比较。

  研究者对两组患者的统计学参数和疾病特征进行了比较,结果提示两组在上述标准上不存在显着统计学差异。研究的平均随访时间为42月。调强放疗组5年局部控制率为90.5%,而在二维传统放疗组为84.7%。调强放疗组T3和T4期患者的5年局部控制率分别为91%和81.5%,而在二维传统放疗组该值为80%和60.2%。5年无淋巴结复发生存率在调强放疗组和二维传统放疗组分别为92.4%和92.9%,两组差别无统计学意义,在N2期的患者中两组的该指标分别为93.9%和91.4%,差距存在统计学意义。调强放疗组和二维传统放疗组的5年总体生存率分别为79.6%和67.1%,差别存在统计学意义。当根据疾病分期进行分层后,上述各项评价指标仅在III期的患者中出现有统计学意义的差别。在放疗所导致的毒性方面,调强放疗对患者造成的毒性反应要显着少于传统二维放疗。

  调强放疗能改善鼻咽癌患者局部无复发生存率,尤其是在晚期的患者中,此外调强放疗对患者造成的毒性反应更少。

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    2013-06-16 minlingfeng

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