Disease Relapses among Patients with Giant Cell Arteritis: A Prospective, Longitudinal Cohort Study

To evaluate the frequency, timing, and clinical features of relapses in giant cell arteritis (GCA).Patients with GCA enrolled in a prospective, multicenter, longitudinal study were included in the analysis. Relapse was defined as either new disease activity after a period of remission or worsening disease activity.The study included 128 subjects: 102 women (80%) and 26 men (20%). Mean ± SD age at diagnosis of GCA was 69.9 ± 8.6 years. Mean...