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	Pragmatický randomizovaný klinický skúšobný test	Randomizovaná klinická štúdia (RKS)
Odbor	Epidemiológia	Epidemiológia
Rodina	Process / pipeline	Process / pipeline
Rok vzniku	1967	1948 (first rigorously conducted RCT — MRC streptomycin trial)
Tvorca	Daniel Schwartz & Joseph Lellouch	Austin Bradford Hill; MRC Streptomycin Trial team
Typ	Interventional study design	Interventional experimental study
Pôvodný zdroj	Schwartz, D., & Lellouch, J. (1967). Explanatory and pragmatic attitudes in therapeutical trials. Journal of Chronic Diseases, 20(8), 637–648.	Friedman, L. M., Furberg, C. D., DeMets, D. L., Reboussin, D. M., & Granger, C. B. (2015). Fundamentals of Clinical Trials (5th ed.). Springer. ISBN: 978-3319185385
Ďalšie názvy	pragmatic RCT, effectiveness trial, real-world RCT, practical clinical trial	RCT, randomized controlled trial, randomised controlled trial, clinical randomized trial
Príbuzné	6	6
Zhrnutie	A pragmatic randomized clinical trial (pragmatic RCT) is an interventional study that tests whether a treatment works under routine clinical conditions, as opposed to the tightly controlled setting of an explanatory trial. It prioritizes broad eligibility, flexible delivery, and patient-relevant outcomes to answer the question 'Does this treatment work in everyday practice?' rather than 'Can this treatment work under ideal circumstances?' The distinction between pragmatic and explanatory trials was formally articulated by Schwartz and Lellouch in 1967 and operationalized by the PRECIS tool in 2009.	A randomized clinical trial (RCT) is an experimental study design in which participants are randomly assigned to an intervention group or a control group, then followed prospectively to compare outcomes. Random allocation is the defining feature: it distributes known and unknown confounders across groups by chance, making the RCT the strongest individual study design for establishing causal efficacy of a treatment or intervention under controlled conditions.