科研伦理审查员

「安慰剂对照在非洲」:赫尔辛基宣言第29条,与「标准治疗」的定义权

【锚点】这篇只钉一个判断:【安慰剂对照的伦理争议,从来不是「安慰剂有没有害」,而是「谁有权定义对照组的『标准治疗』」——而这个看似纯科学的选择,本质是一场预算决定。】 【显式】先把案子摆上桌。1994 年,ACTG 076 试验证明齐多夫定(AZT)长疗程可把 HIV 母婴传播率从约 25% 降到约 8%(相对下降约 67%)。这是美国金标准。但一个疗程约 800…

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