在巴西的瘤随机试验中对照臂的分析:一个横截面研究
Ana Elisa Boracini Sanches1, Luiza Aleixo Barros Leite Fadul1, Debora Aparecida Pires de Campos Zuccari2
1Division of Medical Oncology, Hospital de Base, São José do Rio Preto, SP, Brazil.
BMJ oncology
|August 6, 2025
概括
巴西的国际瘤学试验经常使用与当地标准不一致的控制臂. 这项研究发现,许多控制武器低于NCCN指导方针,但高于或等于巴西公共卫生系统 (SUS) 标准,引发了解释问题.
科学领域:
- 临床试验和瘤学研究
- 全球卫生公平在癌症护理中的平等
背景情况:
- 低中等收入国家 (LMICs) 越来越多地参与国际瘤学试验.
- 高收入国家 (HICs) 和LMICs之间的治疗标准差异引发了对控制臂相关性的伦理问题.
- 巴西的公共卫生系统 (统一卫生系统 - SUS) 提供有限的癌症治疗机会,影响试验适用性.
研究的目的:
- 描述在巴西的随机瘤学试验中使用的对照臂.
- 评估这些控制臂与巴西和国际上既定的护理标准的一致性.
主要方法:
- 在巴西招募随机临床试验的横截面研究 (2023年12月的数据).
- 抽象的数据包括样本大小,赞助商,瘤部位,研究阶段和对照组的细节.
- 根据国家综合癌症网络 (NCCN),巴西私人保险和SUS标准,对照臂被分类为优越,平等或劣等.
主要成果:
- 包括98项试验,主要是第三期和药品赞助,重点关注肺癌和乳腺癌.
- 与NCCN (18.3%) 和巴西私人保险 (16.3%) 标准相比,很大一部分控制臂被认为是低于最佳的.
- 然而,没有控制臂低于SUS标准;40.9%高于SUS标准,59.1%相当.
结论:
- 在巴西国际瘤学试验中使用的对照臂与国际和当地护理标准之间存在差异.
- 低于NCCN指南的控制臂往往高于或等于SUS标准,可能使研究解释复杂化.
- 这些发现强调需要仔细考虑全球瘤学研究中对照组的选择,以确保伦理和临床相关的试验行为.
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