Takeda's zasocitinib proves top-notch for difficult-to-treat psoriasis in Phase 3 update on July 17, 2026 apremilast Arecaceae difficult-to-treat psoriasis Latitude PsO Psoriasis Psoriasis Area and Severity Index Clinical Classification Psoriasis of scalp soles psoriasis TAK-279 Takeda TYK2 inhibitor zasocitinib +