There is growing evidence that coronavirus disease 2019 (COVID-19) can lead to a
dysregulation of the immune system with the development of autoimmune phenomena. The …

Axial spondyloarthritis (axSpA) encompasses both radiographic and non-radiographic
axSpA. It is a chronic inflammatory disease with a predilection for involving the axial …

Background A rise in the incidence of some autoimmune disorders has been described.
However, contemporary estimates of the overall incidence of autoimmune diseases and …

Objectives To update the Assessment of SpondyloArthritis international Society (ASAS)-
EULAR recommendations for the management of axial spondyloarthritis (axSpA). Methods …

Introduction Vaccination represents a cornerstone in mastering the COVID-19 pandemic.
Data on immunogenicity and safety of messenger RNA (mRNA) vaccines in patients with …

CoronaVac, an inactivated SARS-CoV-2 vaccine, has been approved for emergency use in
several countries. However, its immunogenicity in immunocompromised individuals has not …

Interleukin-23 (IL-23) is a pro-inflammatory cytokine composed of two subunits, IL-23A (p19)
and IL-12/23B (p40), the latter shared with Interleukin-12 (IL-12). IL-23 is mainly produced …

Low back pain is a very common symptom. It occurs in high-income, middle-income, and low-
income countries and all age groups from children to the elderly population. Globally, years …

Summary Background Upadacitinib, a Janus kinase inhibitor, has been shown to be
effective in patients with ankylosing spondylitis. We aimed to assess the efficacy and safety …

Objective To update evidence‐based recommendations for the treatment of patients with
ankylosing spondylitis (AS) and nonradiographic axial spondyloarthritis (SpA). Methods We …