[BMJ Publishing Group Ltd and European League Against Rheumatism Annual European Congress of Rheumatology, EULAR 2019, Madrid, 12–15 June 2019 - ()] SATURDAY, 15 JUNE 2019 - SAT0132 LONG-TERM SAFETY, IMMUNOGENICITY AND EFFICACY IN RANDOMIZED, DOUBLE-BLIND, AND OPEN-LABEL EXTENSION STUDIES COMPARING FKB327, AN ADALIMUMAB BIOSIMILAR, WITH THE ADALIMUMAB REFERENCE PRODUCT IN PATIENTS WITH ACTIVE RHEUMATOID ARTHRITIS