Background: Interleukin-23 inhibition is effective in treating ulcerative colitis. Guselkumab is a dual-acting, human IgG1, interleukin-23p19 subunit inhibitor that potently neutralises interleukin-23 and can bind to CD64. We aimed to evaluate the efficacy and safety of guselkumab as induction and maintenance therapy in patients with ulcerative colitis. Methods: The primary populations of these two phase 3, randomised, double-blind, placebo-controlled studies (QUASAR phase 3 induction and maintenance) included randomised and treated adults with moderately to severely active ulcerative colitis (induction baseline modified Mayo score from 5 to 9) with inadequate response or intolerance to conventional or advanced ulcerative colitis therapy. Patients were randomly assigned (3:2) to receive guselkumab 200 mg given intravenously or placebo at weeks 0, 4, and 8 (phase 3 induction study). All patients were randomly assigned using web-based interactive response technology. Patients in clinical...
Guselkumab in patients with moderately to severely active ulcerative colitis (QUASAR): phase 3 double-blind, randomised, placebo-controlled induction and maintenance studies
Savarino, EdoardoMembro del Collaboration Group
;
2025
Abstract
Background: Interleukin-23 inhibition is effective in treating ulcerative colitis. Guselkumab is a dual-acting, human IgG1, interleukin-23p19 subunit inhibitor that potently neutralises interleukin-23 and can bind to CD64. We aimed to evaluate the efficacy and safety of guselkumab as induction and maintenance therapy in patients with ulcerative colitis. Methods: The primary populations of these two phase 3, randomised, double-blind, placebo-controlled studies (QUASAR phase 3 induction and maintenance) included randomised and treated adults with moderately to severely active ulcerative colitis (induction baseline modified Mayo score from 5 to 9) with inadequate response or intolerance to conventional or advanced ulcerative colitis therapy. Patients were randomly assigned (3:2) to receive guselkumab 200 mg given intravenously or placebo at weeks 0, 4, and 8 (phase 3 induction study). All patients were randomly assigned using web-based interactive response technology. Patients in clinical...Pubblicazioni consigliate
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