পদ্ধতির তুলনা করুন

	প্র্যাগম্যাটিক র‍্যান্ডমাইজড ক্লিনিক্যাল ট্রায়াল	Adaptive Randomized Clinical Trial
ক্ষেত্র	মহামারীবিদ্যা	মহামারীবিদ্যা
পরিবার	Process / pipeline	Process / pipeline
উদ্ভবের বছর	1967	Late 1990s–2000s (widespread adoption post-2010)
প্রবর্তক	Daniel Schwartz & Joseph Lellouch	Donald Berry and colleagues; formalized by FDA guidance in 2010 and 2019
ধরন	Interventional study design	Experimental clinical trial design
মৌলিক উৎস	Schwartz, D., & Lellouch, J. (1967). Explanatory and pragmatic attitudes in therapeutical trials. Journal of Chronic Diseases, 20(8), 637–648.	Berry, D. A. (2006). Bayesian clinical trials. Nature Reviews Drug Discovery, 5(1), 27–36.
অপর নাম	pragmatic RCT, effectiveness trial, real-world RCT, practical clinical trial	adaptive RCT, adaptive trial design, response-adaptive randomization trial, adaptive clinical trial
সম্পর্কিত	6	6
সারসংক্ষেপ	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.	An adaptive randomized clinical trial (adaptive RCT) is a prospective experimental study that uses pre-specified rules to modify one or more trial aspects — such as sample size, allocation ratios, or treatment arms — based on accumulating data collected during the trial itself, while maintaining statistical validity and integrity of the study.