Key Takeaways PROK surged 515% on positive Phase II data for rilparencel in diabetic chronic kidney disease patients. Group 1 showed a 78% improvement in kidney decline rate, meeting statistical and clinical benchmarks. ProKidney will seek FDA confirmation of eGFR slope as a surrogate endpoint in its ongoing Phase III trial.Shares of ProKidney Corp. (PROK) skyrocketed 515% yesterday after the company reported encouraging top-line data from the phase II REGEN-007 study evaluating its lead pipeline drug, ri ...