Assessing the Integrity of Clinical Trials Included in Evidence Syntheses

María Núñez-Núñez (), Naomi Cano-Ibáñez, Javier Zamora, Aurora Bueno-Cavanillas and Khalid Saeed Khan
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María Núñez-Núñez: Pharmacy Department, Clínico San Cecilio University Hospital, 18016 Granada, Spain
Naomi Cano-Ibáñez: Biosanitary Research Institute (Ibs. Granada), 18012 Granada, Spain
Javier Zamora: Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain
Aurora Bueno-Cavanillas: Biosanitary Research Institute (Ibs. Granada), 18012 Granada, Spain
Khalid Saeed Khan: Consortium for Biomedical Research in Epidemiology and Public Health (CIBERESP), 28029 Madrid, Spain

IJERPH, 2023, vol. 20, issue 12, 1-13

Abstract: Evidence syntheses of randomized clinical trials (RCTs) offer the highest level of scientific evidence for informing clinical practice and policy. The value of evidence synthesis itself depends on the trustworthiness of the included RCTs. The rising number of retractions and expressions of concern about the authenticity of RCTs has raised awareness about the existence of problematic studies, sometimes called “zombie” trials. Research integrity, i.e., adherence to ethical and professional standards, is a multi-dimensional concept that is incompletely evaluated for the RCTs included in current evidence syntheses. Systematic reviewers tend to rely on the editorial and peer-review system established by journals as custodians of integrity of the RCTs they synthesize. It is now well established that falsified and fabricated RCTs are slipping through. Thus, RCT integrity assessment becomes a necessary step in systematic reviews going forward, in particular because RCTs with data-related integrity concerns remain available for use in evidence syntheses. There is a need for validated tools for systematic reviewers to proactively deploy in the assessment of integrity deviations without having to wait for RCTs to be retracted by journals or expressions of concern issued. This article analyzes the issues and challenges in conducting evidence syntheses where the literature contains RCTs with possible integrity deficits. The way forward in the form of formal RCT integrity assessments in systematic reviews is proposed, and implications of this new initiative are discussed. Future directions include emphasizing ethical and professional standards, providing tailored integrity-specific training, and creating systems to promote research integrity, as improvements in RCT integrity will benefit evidence syntheses.

Keywords: research integrity; evidence synthesis; systematic reviews; clinical trials (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jijerp:v:20:y:2023:i:12:p:6138-:d:1172210

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