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	बायेसियन फेज़ III क्लिनिकल ट्रायल	अनुक्रमिक विश्लेषण (समूह अनुक्रमिक डिज़ाइन)
क्षेत्र	महामारी विज्ञान	सांख्यिकी
परिवार	Process / pipeline	Hypothesis test
उद्भव वर्ष	1990s–2000s (widespread application)	1977
प्रवर्तक	Donald A. Berry; David J. Spiegelhalter (formalization in clinical context)	P. C. O'Brien & T. R. Fleming; P. C. Pocock
प्रकार	Confirmatory randomized controlled trial with Bayesian inference	Sequential / adaptive hypothesis test
मौलिक स्रोत	Spiegelhalter, D. J., Abrams, K. R., & Myles, J. P. (2004). Bayesian Approaches to Clinical Trials and Health-Care Evaluation. Wiley. ISBN: 978-0471499756	O'Brien, P.C. & Fleming, T.R. (1979). A Multiple Testing Procedure for Clinical Trials. Biometrics, 35(3), 549–556.
उपनाम	Bayesian confirmatory trial, Bayesian RCT Phase III, Bayesian pivotal trial, BayesCT	sequential testing, group sequential design, interim analysis, Sıralı Analiz (Sequential Testing / Group Sequential Design)
संबंधित	5	5
सारांश	A Bayesian Phase III clinical trial is a large-scale, confirmatory randomized controlled trial that uses Bayesian statistical inference rather than conventional frequentist hypothesis testing to evaluate whether an experimental treatment meets pre-defined efficacy and safety thresholds. By combining prior evidence with accumulating trial data, it quantifies the probability that the treatment effect exceeds a clinically meaningful threshold, enabling more transparent decision-making under uncertainty.	Sequential analysis is a framework for conducting hypothesis tests with pre-planned interim looks at accumulating data, allowing a study to stop early for efficacy or futility while controlling the overall Type I error rate. The group sequential approach was formalised by Pocock (1977) and O'Brien and Fleming (1979), and remains the standard for confirmatory clinical trials and rigorous A/B experiments.