Inclusion Criteria:  Clinical diagnosis of Polymyalgia Rheumatica (PMR) and fulfillment of the 2012 European League Against Rheumatism/American College of Rheumatology (EULAR/ACR) provisional classification criteria for PMR. Must have had at least 2 episodes of unequivocal PMR flare. Must be on a stable dose of prednisone. Must be willing to follow the protocol-defined glucocorticoid tapering regimen.  Exclusion Criteria:  Have been treated with a prior TNF antagonist. Current use of immunomodulators other than prednisone.