21/02/2026 Three-year data demonstrated sustained clinical and endoscopic remission in ulcerative colitis with guselkumab Three-year data demonstrated sustained clinical and endoscopic remission in ulcerative colitis with guselkumab ( Ref ) Johnson & Johnson announced new long-term data from the Phase 2b/3 QUASAR/ NCT04033445 study evaluating TREMFYA® (guselkumab; anti-IL-23) in adult patients with moderately-to-severely active ulcerative colitis (UC) In this study, guselkuma