Development of interim patient-reported outcome measures for the assessment of ulcerative colitis disease activity in clinical trials

The Crohn's disease activity index (CDAI) is similarly elevated in patients with Crohn's disease and in patients with irritable bowel syndrome

(2013) C. Lahiff et al.   ALIMENTARY PHARMACOLOGY & THERAPEUTICS

The Role of Centralized Reading of Endoscopy in a Randomized Controlled Trial of Mesalamine for Ulcerative Colitis

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Development and validation of a rapid, generic measure of disease control from the patient's perspective: the IBD-Control questionnaire

(2013) Keith Bodger et al.   GUT

The placebo response in medicine: minimize, maximize or personalize?

(2013) Paul Enck et al.   NATURE REVIEWS DRUG DISCOVERY

Basiliximab Does Not Increase Efficacy of Corticosteroids in Patients With Steroid-Refractory Ulcerative Colitis

(2012) Bruce E. Sands et al.   GASTROENTEROLOGY

Can endoscopy be avoided in the assessment of ulcerative colitis in clinical trials?

(2012) Ashwin D. Dhanda et al.   INFLAMMATORY BOWEL DISEASES

Content Validity—Establishing and Reporting the Evidence in Newly Developed Patient-Reported Outcomes (PRO) Instruments for Medical Product Evaluation: ISPOR PRO Good Research Practices Task Force Report: Part 2—Assessing Respondent Understanding

(2011) Donald L. Patrick et al.   VALUE IN HEALTH