Overview Study Evaluating Etanercept for the Treatment of Active, Severe, and Advanced Axial Ankylosing Spondylitis Status: Completed Trial end date: 2009-05-01 Target enrollment: Participant gender: Summary Evaluation of the efficacy and safety of etanercept (Enbrel) in patients with active, severe and advanced ankylosing spondylitis. Phase: Phase 4 Details Lead Sponsor: Wyeth is now a wholly owned subsidiary of PfizerTreatments: Etanercept