Endpoints for extraintestinal manifestations in inflammatory bowel disease trials: the EXTRA consensus from the International Organization for the Study of Inflammatory Bowel Diseases.

Guillo L, Abreu M, Panaccione R, Sandborn WJ, Azevedo VF, Gensler L, Moghaddam B, Ahuja V, Ali SA, Allez M, Ananthakrishnan AN, Bhattacharya A, Dubinsky M, Griffiths A, Hart A, Korelitz B, Kotze PG, Koutroubakis IE, Lakatos PL, Lindsay JO, Magro F, Mantzaris GJ, Ng SC, O'Morain C, Panés J, Parigi T, Ran Z, Rogler G, Rubin DT, Sachar DB, Siegmund B, Steinwurz F, Tysk C, Vavricka S, Verstraete SG, Brezin AP, Haemel AK, Dignass A, Sands BE, Danese S, Peyrin-Biroulet L