• SCY-770 was well tolerated with a favorable safety profile in healthy adult participants at higher doses than previously evaluated


• Phase 2 proof-of-concept study in patients with ADPKD remains on-track to initiate in the fourth quarter of 2026


• SCY-770 is a potential first-in-class oral direct AMPK activator designed to address multiple underlying drivers of cyst growth and disease progression in ADPKD

JERSEY CITY, N.J., Oct. 06, 2026 (GLOBE NEWSWIRE) -- SCYNEXIS, Inc. (NASDAQ:SCYX), a clinical-stage biotechnology company advancing novel therapies for severe rare diseases, today announced completion of a Phase 1 study of SCY-770, a first-in-class, selective and direct AMP-activated protein kinase (AMPK) activator. The study was conducted to evaluate the safety and tolerability, as well as to characterize the pharmacokinetics of SCY-770 to support dose selection for the Phase 2 study in patients with Autosomal Dominant Polycystic Kidney Disease (ADPKD).