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JAMA Dermat:微针加速光动力疗法对光化性角化病的治疗

2017-05-18 zhangfan MedSci原创

20分钟氨基乙酰丙酸和微针预处理可有效提高传统光动力学疗法的效率,提高病变清除率并且过程几乎无痛

光动力疗法(PDT)是一种有效的光化性角化病(AKs)治疗方式,然而较长治疗时间和疼痛阻碍了PDT作为标准AK治疗方案的应用。近日研究人员评估了微针加速光动力疗法在疗效与减轻疼痛方面的效果。

这项MNPDT-II的研究,招募了33名面部光化性角化病患者,从2015年至2016年进行,共32人完成研究。参与者随机分入2组,先进行10分钟或20分钟的氨基乙酰丙酸处理,再用微针滚轮(200 um)或假滚轮预处理后,患者进行蓝光(Blu-U,DUSA制药)1000秒,总剂量10 J/cm的治疗。研究的主要终点是定量测量的疾病缓解,次要终点是评估微针预处理相关的疼痛。

对于完成研究的32人开展随访,20分钟组平均34.5天,10分钟组平均30.2天。对于20分钟预处理组,平均微针预处理的AK清除率为76%,对照组为58%,其中3名微针处理患者实现完全清除,但二者差距不显著(P=0.25)。蓝光照射下视觉模拟评分(VAS)的疼痛评估微针组疼痛减轻但与对照组差距不显著(0.7 以及0.4; P=0.28)。10分钟的潜伏期微针预处理后AK清除率为43%,对照组为38%(P=0.66) ,二组的疼痛评分无显著差异。

研究认为20分钟氨基乙酰丙酸和微针预处理可有效提高传统光动力学疗法的效率,可将预处理时间从1小时减少到20分钟,提高病变清除率并且过程几乎无痛。

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    2017-06-01 柳叶刀888

    学习了

    0

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    2017-05-19 1dde4e6am60(暂无匿称)

    学习了

    0

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