(98)  Ankylosing spondylitis  Bone marrow  None  Humans  ↑Proportion of patients who achieved ASAS20↑Proportion of patients who achieved ASAS40↑Mean ASAS20 duration↓Mean Ankylosing Spondylitis Disease Activity Score↓Mean Bath Ankylosing Spondylitis Functional Index  ↓Average total inflammation extent