RE:RE:Engineered IL-2 + BMS Opdivo fails as IO comboSanofi bet big on engineered IL-2 in 2019, dropping $2.5 billion to acquire Synthorx and its lead program, THOR-707.
https://www.fiercebiotech.com/biotech/aacr-sanofi-s-engineered-il-2-clears-safety-hurdles-early-phase-1-data