I'm not sure the numbers required. I posted a lin
Post# of 149733
https://jamanetwork.com/journals/jamainternal...ct/2733561
Quote:
Findings In this updated review of 93 cancer drug indications granted accelerated approval by the FDA from December 11, 1992, through May 31, 2017, confirmatory trials reported that 20% (n = 19) had improvement in overall survival, 21% (n = 20) had improvement in a different surrogate measure, and 20% (n = 19) had improvement in the same surrogate measure used in confirmatory trials and preapproval trials.