FRI0135 INTRAVENOUS PEGYLATED LIPOSOMAL PREDNISOLONE SODIUM PHOSPHATE MORE EFFECTIVE THAN INTRAMUSCULAR INJECTION OF METHYLPREDNISOLONE ACETATE IN TREATING RA PATIENTS WHO ARE EXPERIENCING A FLARE: A PHASE III, RANDOMIZED, DOUBLE-BLIND, DOUBLE DUMMY, ACTIVE CONTROLLED, MULTI-CENTER STUDY. (June 2019)