Apr: April; AZA: azathioprine; CD: Crohn’s disease; CDAI: clinical disease activity index; CR: clinical response; CS: corticosteroids; Dec: December; Feb: February; Jun: June; L: left; MBS: Mayo bleeding score; Nov: November; PBO= placebo; pt: point; q4w: every 4 weeks; q8w: every 9 weeks; Rx: treatment; TNFi: tumor necrosis factor inhibitor; UC: ulcerative colitis; UCCS: ulcerative colitis clinical score; wks: weeks; yr: year; VDZ: vedolizumab; 5-ASA: mesalamine; 6-MP: mercaptopurine