Protagonist's ICOTYDE Gains FDA Approval for Psoriasis, Triggering $50M Milestone from Johnson & Johnson on March 18, 2026 Approved icotrokinra ICOTYDE interleukin-23 receptor activity Johnson & Johnson once-daily pill Psoriasis United States Food and Drug Administration +
Next-Generation Psoriasis Drugs Aim to Reshape Treatment Landscape on September 17, 2025 Approved Clinical Trials icotrokinra inhibitors interleukin-23 next-generation biologics oral peptides Piclidenoson TYK2 gene United States Food and Drug Administration Vunakizumab +