Key phrase: predictive probabilities.
Quote:If predictive probabilities for an experimental agent reach a pre-determined level of efficacy in one or more molecular subtypes, it is declared a success (“graduates”).
https://www.quantumleaphealth.org/for-investi...py-trials/
Also: https://pmc.ncbi.nlm.nih.gov/articles/PMC7731787/
3 of 25 agents tested have received accelerated approvals. I'm thinking batting average soon to go 4 for 26.