Entyvio (Vedolizumab) Long Term Safety Study

Adverse events of special interest in this study includes serious and opportunistic infections, gastrointestinal infections, respiratory infections, other clinically significant infections: malignancies; infusion-related reactions and hypersensitivity, hepatic injury; psoriasis and other skin events, other SAEs and adverse reactions.

Disease severity will be measured using the Mayo score for ulcerative colitis and is ranged from 0 (normal or inactive disease) to 9 (severe disease) and calculated as the sum of 3 subscores: stool frequency, rectal bleeding and physician rating of disease activity, each ranged from 0 to 3 (0=normal, 1=mild, 2=moderate, 3=severe).

Disease severity will be measured using the Harvey-Bradshaw Index (HBI) for crohn's disease. HBI is used in the assessment and quantification of symptoms and the present level of disease activity of participants with Crohn's disease. It is a validated clinical index for Crohn's disease,HBI score consists of clinical parameters of general well-being (0= very well 1=slightly below average, 2=poor, 3=very poor, 4=terrible); abdominal pain (0=none, 1=mild, 2=moderate, 3=severe); number of liquid stools per day; abdominal mass (0=none, 1=dubious, 2=definite, 3=tender); and complications (8 items: arthralgia, uveitis, erythema nodosum, aphthous ulcers, pyoderma gangrenosum, anal fissures, new fistula, abscess [score 1 per item]).Lower scores indicate better well-being. The scores are classified as: <5=remission, 5-7=mild disease, 8-16=moderate disease and >16=severe disease. Minimum score is 0 and no pre-specified maximum score as it depends on the number of liquid stools.

The Short IBD Questionnaire is an instrument used to assess quality of life and is a disease-specific health-related quality of life questionnaire, that consists of 10 questions, each question is scored on a scale from 1 (poor quality of life) to 7 (good quality of life). The scores are summed up and divided by 10 for a mean score ranging from 1 (poor quality of life) to 7 (good quality of life). A higher score indicates a better health-related quality of life.

The SF-12 health questionnaire is a 12 question assessment of functional health and well-being. The survey asks about various health aspects, including physical functioning, role limitations due to physical health problems, bodily pain, general health, vitality, social functioning, role limitations due to emotional problems, and mental health (psychological distress and psychological well-being). Two summary measures are derived: the Physical and the Mental Health Component Summary. For each component summary, survey items were weighted and summed to create a summary score between 0 and 100 with higher score indicating better quality of life.

Time to discontinuation for Entyvio and the other biologic agents will be measured.

Reasons for discontinuations for Entyvio and the other biologic agents will be measured.