Hong Kong – – September 28, 2026 -- Ascletis Pharma Inc. (HKEX: 1672) reported a 48.9% placebo-adjusted reduction in psoriasis area and severity index (PASI) scores from a 28-day U.S. proof-of-concept trial of ASC50, an oral small molecule IL-17A inhibitor positioned as a needle-free alternative to injectable antibody therapies for plaque psoriasis.