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Progettazione di studi sequenziali / di gruppo sequenziale×Disegno Adattivo di Studi Clinici×
CampoDisegno sperimentaleDisegno sperimentale
FamigliaHypothesis testHypothesis test
Anno di origine19791994
IdeatoreO'Brien & Fleming; Pocock; Lan & DeMetsBauer & Köhne
TipoAdaptive stopping trial designAdaptive hypothesis test with interim analyses
Fonte seminaleO'Brien, P.C. & Fleming, T.R. (1979). A Multiple Testing Procedure for Clinical Trials. Biometrics, 35(3), 549–556. DOI ↗Bauer, P. & Köhne, K. (1994). Evaluation of Experiments with Adaptive Interim Analyses. Biometrics, 50(4), 1029–1041. DOI ↗
Aliasgroup sequential design, adaptive stopping design, Ardışık Deneme Tasarımı (Sequential / Group Sequential)adaptive design, group sequential design, sample size re-estimation, platform trial
Correlati33
SintesiSequential and group sequential trial designs allow a study to be stopped early — or continued — based on interim analyses conducted as data accumulate. The core framework was formalised by O'Brien and Fleming in 1979 and extended by Lan and DeMets's alpha-spending approach, and it controls the overall Type I error rate across all planned looks by pre-specifying both efficacy and futility boundaries before enrolment begins.Adaptive clinical trial design is a flexible experimental framework, formalised by Bauer and Köhne in 1994, in which pre-specified rules allow the trial to be modified mid-course — adjusting sample size, treatment arms, or randomisation ratios — based on accumulating interim data while rigorously controlling the Type I error rate.
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ScholarGateConfronta i metodi: Sequential Design · Adaptive Clinical Trial Design. Consultato il 2026-06-15 da https://scholargate.app/it/compare