Guselkumab (Tremfy) receives U.S. FDA approval for adults with moderately to severely active ulcerative colitis, based on pivotal, Phase 2b/3 QUASAR study showing 50% remission at week 44 (vs 19 PBO) for those on GUS 200 mg q 4 wk https://t.co/YgtujQjNqI https://t.co/9uazZLuoRb