Biomarker, kit and method for predicting clinical responsiveness to therapy with an agent that targets alpha<sub>4</sub>beta<sub>7</sub> integrin

Abstract

The invention relates generally to biomarkers, methods and kits to predict therapy response in patients, in particular in patients having inflammatory bowel disease (IBD). Provided is a method for predicting whether a human subject is likely to show a clinical response to therapy with an antibody or pharmacological antagonist that targets α4β7 integrin, preferably vedolizumab induction therapy, comprising (i) determining the level of eotaxin-1 in a sample obtained from the subject, and; (ii) classifying the subject as a responder based on the leve of eotaxin-1

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