More than 80% of those treated with TREMFYA® were in clinical remission and more than 50% were in endoscopic remission at Week 140 of the QUASAR long-term extension study, showing lasting disease control for patients 78% of patients achieved intestinal healing at both the tissue and visual level (histo-endoscopic mucosal improvement) STOCKHOLM, Feb. 21, 2026 /PRNewswire/ -- Johnson & Johnson (NYSE: JNJ) today announced new long-term data from the QUASAR long-term extension (LTE) study showing that TREMFYA® (guselkumab) sustained clinical, endoscopic, and histologic outcomes through Week 140 in adults with moderately to severely active ulcerative colitis (UC). These data are among the 30 company-sponsored abstracts being presented at the European Crohn's and Colitis Organisation (ECCO) 2026 conference.









