The $77.5 Million Bet That Three Gut Transporters Can Retire the Dialysis Pill Routine
R1 Therapeutics debuted in March with an oversubscribed $77.5M Series A and one asset: AP306, a first-in-class phosphate-transporter inhibitor licensed out of Shanghai. Its phase 2a beat sevelamer head-to-head, and a global Phase 2b began July 21.