Two former US Food and Drug Administration commissioners – Mark McClellan and Scott Gottlieb – are among the most recent regulatory experts to join the international chorus calling for master protocols and platform trials to streamline evaluation of the vast but chaotic pipeline of COVID-19 treatment and vaccine candidates. The ex-commissioners also note the need for “clear regulatory guidance” to leverage the potential of such trial designs.
Master protocols are a cornerstone of the “critical path” for COVID-19 therapeutics proposed in a 20 May paper from the...







