Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Phase III Study of Human Bone Marrow-Derived Mesenchymal Stem Cells to Treat AS
Brief Summary: The purpose of this study is to evaluate the safety and clinical effect of mesenchymal stem cells (MSCs) derived from human bone marrow at a dose of 1.0E+6 MSC/kg in subject for the therapy of Ankylosing spondylitis (AS) and to compare the efficacy of MSCs and Etanercept to treat this disease.