Equivalence Trial Sample Size Calculator. 70 of success for non-inferiority and equivalence trials with R-package TrialSize. And Ji X 2020.
In this paper the steps for conducting sample size calculations for non-inferiority and equivalence trials are summarised. Examples of required sample size are given in this article and are compared with the required sample size by the traditional mean difference equivalence test. 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.
An equivalence trial is where you want to demonstrate that a new treatment is no better or worse than an existing treatment and non-inferiority is to show that a new treatment is not worse than an existing treatment.
Suppose we collect a sample from a group A and a group B. If you expect that 10 of your subjects may do this then put 10 in box e. In this paper the steps for conducting sample size calculations for non-inferiority and equivalence trials are summarised. An equivalence trial is where you want to demonstrate that a new treatment is no better or worse than an existing treatment and non-inferiority is to show that a new treatment is not worse than an existing treatment.
