FDA Guidance on Non-Inferiority Clinical Trials to Establish Effectiveness
In November 2016, the FDA released final guidance on Non-Inferiority Clinical Trials to Establish Effectiveness providing researchers guidance on when to use non-inferiority trials to demonstrate effectiveness along with how to choose the non-inferiority margin, test the non-inferiority hypothesis, and provide interpretable results. This article provides background on a non-inferiority trial design along with assumptions and advantages and disadvantages of the trial design.