Table 4.

Comparison of change from baseline in radiographic mSASSS at Week 104: AS-001 vs OASIS data (second reading of films).

AS-001 Apremilast 30 mg Twice Daily Population, n = 98OASIS-Matched Population, n = 56OASIS Overall Population, n = 178
Baseline mSASSS, mean (SD)12.3 (17.9)7.4 (10.8)7.9 (12.6)
mSASSS to Week 104, mean change from baseline (SD)0.87 (2.5)0.55 (3.2)0.63 (2.5)
Patients without radiographic progressiona, %70.482.176.4
  • a Radiographic progression was defined as a change in mSASSS ≥ 1 for this analysis. mSASSS: modified Stoke Ankylosing Spondylitis Spine Score; OASIS: Outcome Assessments in Ankylosing Spondylitis International Study.