Phase III RCT of apremilast showed no benefit in ankylosing spondylitis pts. 490 AS pts recv placebo or apremilast 20 mg or 30 mg bid 24 wks. The ASAS 20 was the same in all groups (PBO: 37%; 20 mg 35%; 30 mg 33). 2 yrs Xray changes were equal too. https://t.co/ILYtVMZp80