A SPECIAL MEETING REVIEW EDITION: Highlights in Biosimilars From the World Congress of Gastroenterology at ACG 2017: Introduction: A Review of Selected Presentations From the World Congress of Gastroenterology at ACG 2017 • October 13-18, 2017 • Orlando, FloridaSpecial Reporting on:• Biosimilars: What Are They and How Will They Change the Way We Practice?• Infliximab Assay Used in Clinical Practice Validated for Measuring SB2 Infliximab Biosimilar's Serum Drug and Anti-Drug Antibody Levels• Efficacy of Infliximab Biosimilar for Induction and Maintenance Therapy in Inflammatory Bowel Disease After Switch From Drug Originator: A Meta-Analysis• Long-Term Efficacy, Safety, and Immunogenicity Data From a Phase III Confirmatory Study Comparing GP2017, a Proposed Biosimilar, With Reference Adalimumab• Patient Perceptions Regarding the Use of Biosimilars in Inflammatory Bowel Disease• FDA Public Forum on BiosimilarsWith an Introduction and Expert Commentary by:Gary R. Lichtenstein, MDProfessor of MedicineDirector, Center for Inflammatory Bowel DiseaseUniversity of Pennsylvania Health SystemHospital of the University of PennsylvaniaPhiladelphia, Pennsylvania.