Bristol Myers Squibb Co. has agreed to pay up to $1.9 billion plus royalties, plus an up-front payment of undisclosed value, for Gentibio Inc.’s expertise in engineered regulatory T cells (Tregs) to treat inflammatory bowel diseases (IBD). The agreement follows soon after BMS’ $4.1 billion acquisition of cancer biotech Turning Point Therapeutics Inc., as well as an expansion of its oncology partnership with Bridgebio Pharma Inc. to the tune of $905 million.