Treatment for Giant Cell Arteritis With Tocilizumab and 8 as Compared to 26 Weeks of Prednisone

Inclusion Criteria: * Patients diagnosed with giant cell arteritis * Start of tocilizumab treatment at baseline as part of routine clinical practice * Receive ≥ 20 mg/day prednisone (or equivalent) at baseline * Written informed consent Exclusion Criteria: * Treated with any investigational drug of chemical or biologic nature within a minimum of 30 days or 5 half-lives (whichever is longer) prior to the first dose of tocilizumab.