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药物利用研究(DUR)是促进用药安全、有效和经济的重要手段[1]。随机对照临床试验(RCT)作为评价药物安全性、有效性的金标准,在外推至日常诊疗环境时往往面临挑战。作为RCT的重要补充,真实世界研究(RWS)考察日常诊疗环境中产生的真实世界数据(RWD),注重评价药物使用的“安全性”和“有效性”,已经成为药物利用研究的热点[2]。RWS着眼于应用到医疗实践环境中,大大缩短了试验周期、降低了成本,真实世界实效性临床研究更加易于获取全面的病例数据,使其结果更具有可靠性及可行性[3]。应当正确认识两者关系,将两者作为互补且相辅相成的研究方法和手段来为药物利用评价和监管评价等方面提供循证支持[4-7]。
随着医院管理信息系统(HIS)的高速发展以及高新传感器技术在生物医疗领域探索运用,使得逐步精准化、数字化患者的各项检查及健康诊疗数据成为现实,并进一步完善患者诊疗、实验室检查以及用药信息等全生命周期的医疗记录,且便于追溯及交互关联[2]。尽管数据库技术及大数据挖掘服务于药物安全性、有效性等方面研究成为现实,但应用于DUR尚缺乏具体的技术指导方案、自然流程等。本研究借鉴国内外RWS在药品器械上市后适应证开发及安全性评价方面的做法,梳理DUR中RWS有效技术手段和方法路径,为RWS更好的服务于DUR提供借鉴和参考。
Review of drug utilization research based on real-world data
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摘要: 近年来,医学信息技术突飞猛进,基于真实环境分析大规模的诊疗数据并挖掘其中规律,已经成为国内外药械上市评价及监管决策的重要手段。真实世界研究作为药物利用研究领域一种新的药物临床评价方法,为观察性研究在实际疗效或效果方面的评价带来了机遇和挑战。然而,作为药物利用研究领域广大学者关注的热门方法学手段,当前真实世界研究关于人群用药特征分析还存在一些局限和不足,尚未形成系统性的评估研究方法,还不能很好的生成真实世界证据。该研究旨在综述基于真实世界数据的药物利用研究的研究设计、方法路径、评价指标、混杂因素及偏倚处理等进展,以便为药物利用研究深入开展提供参考。Abstract: In recent years, the rapid development of medical information technology has made it critical to analyze large-scale diagnosis and therapeutic data and extract rules based on real medical environment. This has become an essential approach for marketing evaluation and regulatory decision-making of drugs and devices both domestically and internationally. Real world study (RWS), as a novel methodology for clinical evaluation of drugs in the field of drug utilization research (DUR), have presented opportunities and challenges for observational studies in assessing actual efficacy or effectiveness. However, despite being a popular methodological approach among scholars in the field, there are still limitations and deficiencies when analyzing population medication characteristics in RWS. Systematic evaluation research methods have not yet been established, leading to inadequate generation of real-world evidence (RWE). The research design, methodological pathways, evaluation indicators, confounding factors, and bias management involved in DUR based on real-world data (RWD) were reviewed in this artical with the intention of providing guidance for further exploration into DUR.
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