Low doses of etanercept can be effective in ankylosing spondylitis patients who achieve remission of the disease

This study aims to explore the effectiveness of low dose of etanercept (ETN) in patients with ankylosing spondylitis (AS) who achieve a good control of their disease in daily clinical practice. This is a case series of AS patients treated with ETN. According to the judgment of the treating rheumatologist and patient's preferences, a dose reduction was done in those patients who achieved a good control of their disease defined by Bath ankylosing spondylitis disease activity index (BASDAI)