Development of the symptoms and impacts questionnaire for Crohn's disease and ulcerative colitis.
Parambir S DulaiVipul JairathReena KhannaChristopher MaKelly P McCarrierMona L MartinClaire E ParkerJoan MorrisBrian G FeaganWilliam J SandbornPublished in: Alimentary pharmacology & therapeutics (2020)
We developed PROs to support CD and UC drug labelling claims. Psychometric validation studies to evaluate instrument reliability and responsiveness are ongoing.