在对药物相互作用的自我控制病例系列研究中,宽限期和暴露错误分类
Hanxi Zhang1,2, Warren B Bilker1,2,3, Charles E Leonard1,2,4
1Center for Real-World Safety and Effectiveness of Therapeutics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States.
American journal of epidemiology
|August 1, 2024
概括
关于药物相互作用 (DDI) 的自控病例系列 (SCCS) 研究可能会因暴露错误分类而产生偏见. 模拟表明,避免对象药物的宽限期,并增加沉药物的缓冲期,可以最大限度地降低发病率比率 (IRR) 的偏差.
科学领域:
- 药学流行病学 药学流行病学
- 生物统计学 生物统计学
- 药品安全 药品安全
背景情况:
- 自控案例系列 (SCCS) 设计是使用行政索赔数据研究药物相互作用 (DDI) 的常用设计.
- 从发行数据中准确推断药物暴露至关重要,因为错误分类可能会导致结果偏差,特别是发病率比率 (IRR).
- 在SCCS研究中,宽限期对暴露错误分类偏差的影响仍然不太清楚.
研究的目的:
- 在SCCS对DDI的研究中调查错误分类对照对IRR的影响.
- 评估宽限期对因错误分类的药物暴露而导致的偏差的影响.
- 为尽量减少SCCS药物流行病学研究偏差提供建议.
主要方法:
- 利用模拟研究来评估因错误分类物体和沉剂药物暴露导致的IRR偏差.
- 检查了宽限期对风险错误分类的影响.
- 专注于一个涉及克洛皮多格雷尔 (物体) 和华法林 (沉剂) 的DDI场景.
主要成果:
- 沉性药物暴露的错误分类始终使估计的IRR偏向于零.
- 对物体药物暴露的错误分类可能会导致偏差在任何方向或没有偏差,这取决于具体的模拟场景.
- 纳入对象药物分发的宽限期可能会无意中增加错误分类偏差的风险.
结论:
- 尽量减少偏差的建议包括避免对物体药物暴露的宽限期,并在沉性药物暴露后实施洗期.
- 这些发现对于提高使用SCCS设计的药物流行病学研究的准确性至关重要.
- 适当处理药物暴露定义对于可靠的DDI研究至关重要.
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