It looks like there is a better PD-1 inhibitor than Merk's Keytruda. Merk might be better motivated to find a better cancer treatment, than their current checkpoint inhibitor. This article is from Statnews. I haven't read the whole article, because I refuse to pay Statnews.

https://www.statnews.com/2024/09/25/akeso-chi...-keytruda/