• Rafael Dal-Ré, Robert J Mentz, and Frits R Rosendaal.
• Epidemiology Unit, Health Research Institute-Fundación Jiménez Díaz University Hospital, Universidad Autónoma de Madrid, Madrid, Spain rafael.dalre@quironsalud.es.
• J. Investig. Med. 2021 Jun 1; 69 (5): 1056-1058.

AbstractClinical research is a discipline prone to the use of technical terms that may be particularly at risk for misunderstanding given the complex interpretation that is required. In this century, what is happening with the word 'pragmatic' when describing a randomized controlled trial (RCT) with medicines deserves a public reflection. Explanatory trials are conducted in ideal conditions to assess the comparative efficacy of interventions and are useful to explain whether interventions work. Pragmatic trials are those conducted in a way that resembles usual clinical practice conditions to assess the comparative effectiveness of interventions in a manner directly applicable for decision-makers. This, however, did not prevent 36% of authors of placebo-controlled, or prelicensing trials to identify their medicines RCTs as pragmatic in the title of their articles. The current situation is such that scientific literature has accepted that 'pragmatic' can convey the original meaning-that obtained in trials mimicking usual clinical practice-and a distorted one-that is focused on streamlining any trial procedure. Those involved in clinical trials should emphasize the importance of precision in the use of terms when describing RCTs through standardized solutions when possible. Unless clinical trial stakeholders agree when it would be correct to label an RCT as pragmatic, in a short period of time the term will be in danger of becoming meaningless. It is suggested that the Enhancing the Quality and Transparency of Health Research (EQUATOR) network, the Consolidated Standards of Reporting Trials (CONSORT) group and the International Committee of Medical Journal Editors (ICMJE) could address this topic and provide a consensus way forward.© American Federation for Medical Research 2021. No commercial re-use. See rights and permissions. Published by BMJ.

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