2017
DOI: 10.1016/j.jval.2017.08.3019
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Good Practices for Real‐World Data Studies of Treatment and/or Comparative Effectiveness: Recommendations from the Joint ISPOR‐ISPE Special Task Force on Real‐World Evidence in Health Care Decision Making

Abstract: Purpose: Real-world evidence (RWE) includes data from retrospective or prospective observational studies and observational registries and provides insights beyond those addressed by randomized controlled trials. RWE studies aim to improve health care decision making. Methods: The International Society for Pharmacoeconomics and Outcomes Research (ISPOR)and the International Society for Pharmacoepidemiology (ISPE) created a task force to make recommendations regarding good procedural practices that would enhance… Show more

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Cited by 306 publications
(240 citation statements)
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“…With regard to statistical analyses, those reported herein should be evaluated in the context of the large sample size, which may indicate statistical significance for some parameters, even when differences are small and not clinically important. Real‐world studies may contain inaccurate recording of health events, missing data, and uncertainty about internal validity 37, 38. In the present study, laboratory test results during the follow‐up period were only available for a subset of patients.…”
Section: Discussionmentioning
confidence: 99%
“…With regard to statistical analyses, those reported herein should be evaluated in the context of the large sample size, which may indicate statistical significance for some parameters, even when differences are small and not clinically important. Real‐world studies may contain inaccurate recording of health events, missing data, and uncertainty about internal validity 37, 38. In the present study, laboratory test results during the follow‐up period were only available for a subset of patients.…”
Section: Discussionmentioning
confidence: 99%
“…However, because the data were based on managed care health plan claims, they may not be generalizable to other health care delivery systems. Other limitations of claims data include potential data entry errors, missing data, and uncertainty about internal validity of data; claims data also do not capture certain costs to patients, such as transportation and missed workdays. Importantly, because of the large sample size, small differences that have no clinical relevance may show statistical significance.…”
Section: Discussionmentioning
confidence: 99%
“…As also pointed out by the HMA/EMA Task Force, we consider a strengthened collaboration between academia, pharmaceutical companies, professional organizations, and regulators essential to further this progress. In addition, and as also highlighted in previous EMA work, strong emphasis on the transparent reporting of designs and methodological choices and the application of best pharmacoepidemiologic practices will be essential in evolving the field further . Of note, this applies regardless of the specific nature of the real world data (RWD) used.…”
Section: Text Boxmentioning
confidence: 97%