Rates of, and risk factors for, severe infections in patients with systemic autoimmune diseases receiving biological agents off-label
Introduction: The purpose of this observational study was to analyze the rates, characteristics and associated risk factors of severe infections in patients with systemic autoimmune diseases (SAD) who were treated off-label with biological agents in daily practice. Methods: The BIOGEAS registry is an ongoing Spanish prospective cohort study investigating the long-term safety and efficacy of the off-label use of [...]