[Treatment of giant cell arteritis]

Glucocorticoids (GC) remain the gold standard of the treatment of giant cell arteritis provided objectives of GC-tapering are accurately followed: 15 to 20mg/day at 3 months, 10mg/day at 6 months, 5mg/day at 9-12 months and withdrawal between 12 and 18 months. In case of corticodependance at ≥7.5 mg/day of prednisone or intolerance to GC, a GCsparing therapy has to be introduced, mainly methotrexate or tocilizumab. Individual characteristics of each patient, data about the efficacy of the treatment, its cost and how easy the follow-up under this treatment is are important factors to consider for choosing the right GC-sparing therapy. For all these reasons, except particular situations, we prefer using methotrexate before tocilizumab. Prevention of cardiovascular events is an important aspect of the treatment of GCA. We recommend using aspirin (75-100mg/day) during the first month of treatment or longer in case of occurrence of an ischemic complication. Each patient treated for GCA should receive a prevention of osteoporosis with respect of usual recommendations.