Interim Analyses During Group Sequential Clinical Trials
William J. Meurer, Juliana Tolles
Abstract
This JAMA Guide to Statistics and Methods describes why interim analyses are performed during group sequential trials, provides examples of the limitations of interim analyses, and provides guidance on interpreting the results of interim analyses performed during group sequential trials.
Topics & Concepts
InterimMedicineInterim analysisClinical trialGroup (periodic table)Medical physicsInternal medicineLawPolitical scienceOrganic chemistryChemistryStatistical Methods in Clinical TrialsOptimal Experimental Design MethodsMolecular Biology Techniques and Applications