Equivalence Trial Sample Size Calculator. Suppose we collect a sample from a group A and a group B. However estimating the number of participants required to give a meaningful result is not always straightforward.
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Sample size calculations for α 005. Kundu i3 Statprobe Gurgaon India ABSTRACT Standard 2X2 and replicated 2X2m crossover designs are recommended in the regulatory guidelines to establish bioequivalence of generic drug with off patent brand-name drug. Supplement document for sample size estimation in clinical research.
In traditional comparative studies the type I error α is usually set at 005 the type II error at 02.
Paper SP02 Sample Size Estimation for Bioequivalence Testing Between Two Treatments Madan G. From randomized controlled trials to observational studies. A percentage of patients will usually not complete the trial and therefore will not contribute to the final analysis. In this paper the steps for conducting sample size calculations for non-inferiority and equivalence trials are summarised.
