Drug Research, Table of Contents Drug Res (Stuttg) 2021; 71(S 01): S3-S4DOI: 10.1055/a-1606-4913 Extended Abstract Endoscopy as a Diagnostic Tool for Personalized Therapy in IBD: Prediction of Response to Biological Therapy Authors Raja Atreya Recommend Article Abstract Full Text References References 1 Torres J, Mehandru S, Colombel JF. et al. Crohnʼs disease. Lancet 2017; 389: 1741-1755 2 Kobayashi T, Siegmund B, Le Berre C. et al. Ulcerative colitis. Nat Rev Dis Primers 2020; 6: 74 3 Atreya R, Neurath MF. Mechanisms of molecular resistance and predictors of response to biological therapy in inflammatory bowel disease. Lancet Gastroenterol Hepatol 2018; 3: 790-802 4 Digby-Bell JL, Atreya R, Monteleone G. et al. Interrogating host immunity to predict treatment response in inflammatory bowel disease. Nat Rev Gastroenterol Hepatol 2020; 17: 9-20 5 Atreya R, Zimmer M, Bartsch B. et al. Antibodies gainst tumor necrosis factor (TNF) induce T-cell apoptosis in patients with inflammatory bowel diseases via TNF receptor 2 and intestinal CD14+ macrophages. Gastroenterology 2011; 141: 2026-2038 6 Atreya R, Neumann H, Neufert C. et al. In vivo imaging using fluorescent antibodies to tumor necrosis factor predicts therapeutic response in Crohnʼs disease. Nature Medicine 2014; 20: 313-318 7 Rath T, Bojarski C, Neurath MF. Molecular imaging of mucosal α4β7 integrin expression with the fluorescent anti-adhesion antibody vedolizumab in Crohnʼs disease. Gastrointestinal Endoscopy 2017; 86: 406-408