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Sarilumab For The Treatment Of Ankylosing Spondylitis: Results Of A Phase Ii, Randomised, Double-Blind, Placebo-Controlled Study (Align), Joachim Sieper, Jurgen Braun, Jonathan Kay, Salvatore Badalamenti, Allen R. Radin, Lixia Jiao, Stefano Fiore, Tanya Momtahen, George D. Yancopoulos, Neil Stahl, Robert D. Inman

Jonathan Kay

OBJECTIVES: The ALIGN study (NCT01061723) evaluated the efficacy and safety of sarilumab, the first fully human monoclonal antibody against interleukin-6 receptor-alpha (IL-6Ralpha), in patients with ankylosing spondylitis (AS). METHODS: Patients with active AS despite conventional treatment were randomised to placebo, or one of five subcutaneous dose regimens of sarilumab (100, 150 or 200 mg every other week, or 100 or 150 mg every week), for 12 weeks. The primary efficacy end point was the percentage of patients achieving the Axial SpondyloArthritis international Society (ASAS) 20 response criteria at week 12. Secondary endpoints included ASAS40 response, ASAS partial remission, AS Disease …