P445 Interleukin 19 gene polymorphisms in patients with ulcerative colitis

P444 Candidate genes for azathioprine treatment response in inflammatory bowel disease patients using an exome-wide genotyping analysis M. Chaparro1 *, W. Zabala2, M. Barreiro-de Acosta3, J. Panes4, M. Esteve5, M. Andreu Garcia6, E. GarciaPlanella7, E. Domenech8, A. Echarri9, D. Carpio10, R. Cruz2, F. Barros2, J.P. Gisbert1. 1Hospital Universitario de La Princesa, IP, Gastroenterology and CIBEREHD, Madrid, Spain, 2Fundacion Publica Galega De Medicina Xenomica, Santiago De Compostela, Spain, 3Hospital Clinico de Santiago, Gastroenterology, Santiago de Compostela, Spain, 4Hospital Clinic, Gastroenterology and CIBEREHD, Barcelona, Spain, 5Hospital Universitari MutuaTerrassa, Gastroenterology, Terrassa, Spain, 6Parc De Salut Mar Barcelona, Gastroenterology, Barcelona, Spain, 7Hospital De La Santa Creu i De Sant Pau, Barcelona, Spain, 8Hospital Universitari Germans Trias i Pujol, Servicio de Aparato Digestivo, Badalona, Spain, 9Arquitecto Marcide Hospital, Ferrol, Spain, 10CHOP, Gastroenterology, Pontevedra, Spain