1) These drugs are already being tested in humans 2) The pathway from first-in-man to approval can be a lot shorter than 10 years for promising drugs or combin

1) These drugs are already being tested in humans 2) The pathway from first-in-man to approval can be a lot shorter than 10 years for promising drugs or combinations. Pembrolizumab, for example, took roughly four years: https://en.wikipedia.org/wiki/Pembrolizumab#History https://en.wikipedia.org/wiki/Pembrolizumab#History