This study is a secondary analysis using data from participants in the IBD Partners and SPARC-IBD cohorts. Data received from IBD Partners consists of patient-reported outcomes gathered via online surveys (baseline and 6-month follow-ups). Data received from SPARC-IBD consists of patient-reported outcomes gathered via surveys (baseline and follow-ups) as well as data from clinical records.
The purpose of this study is to assess effectiveness of vedolizumab versus ustekinumab in patients with Crohn's disease and vedolizumab versus tofacitinib in patients with ulcerative colitis, after non-response to anti-tumor necrosis factor (TNF) medications, using data from two existing cohorts.