AB0517 Does smoking decrease the efficacy of anti-tumour necrosis factor-alpha therapy in patients with ankylosing spondylitis (as)? : a retrospective, case-control study.

Abstract

BackgroundSeveral studies have shown that smoking is associated with a higher disease activity and decreased efficacy of anti-tumour necrosis factor-alpha (anti-TNFα) therapy in patients with rheumatoid arthritis (RA)1,2. This is...