Ulcerative colitis disease severity affects the speed of symptom relief under filgotinib treatment: a post hoc analysis of the phase 2b/3 SELECTION study. - Saruta, Masayuki; Danese, Silvio; Takatori, Yoshie; Kaise, Toshihiko; Rudolph, Christine; Ferrante, Marc; Hibi, Toshifumi (Intestinal Research, 2026)