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Updated: Jul 6, 2025

Working with Human Tissues for Translational Cancer Research
Published on: November 26, 2015
参与者对临床试验中知情同意的理解:系统性审查和更新的元分析
Chengai Wu1, Na Wang1, Qianqian Wang1
1Department of Molecular Orthopaedics, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Capital Medical University, Beijing, China.
这一元分析表明,临床试验参与者理解了知情同意中的保密性和补偿等方面. 然而,对安慰剂和随机化的理解仍然很低,突出了改善参与者教育的领域.
科学领域:
- 临床研究伦理学
- 参与者理解 参与者理解
- 在知情同意的情况下同意.
背景情况:
- 知情同意对于参与伦理临床试验至关重要.
- 以前的研究表明,参与者对知情同意组件的理解不足.
- 理解的变化需要更新的元分析来评估当前的理解水平.
研究的目的:
- 估计临床试验参与者理解各种知情同意组件的比例.
- 确定特定领域的知情同意与高和低的参与者理解.
主要方法:
- 更新了117项研究的元分析 (155个数据集;22118名参与者) 发表到2023年4月.
- 搜索了主要的数据库:PubMed,EMBASE,科克莱恩图书馆和Scopus.
- 评估对特定组件的理解,包括治疗误解,风险,益处,安慰剂,随机化,自愿性,保密性和补偿.
主要成果:
- 对于保密 (97.5%),补偿 (95.9%) 和研究性质 (91.4%) 的高度理解.
- 对了解治疗方法的适度理解进行了比较 (68.1%) 和自愿性 (67.3%).
- 在安慰剂 (4.8%) 和随机化 (39.4%) 中观察到低理解率.
结论:
- 大多数参与者理解了基本的知情同意要素,如保密性和自愿性.
- 参与者对安慰剂和随机化等复杂概念的理解存在重大差距.
- 调查结果强调需要加强战略,以提高参与者对关键研究要素的理解.
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