Impact of filgotinib on sacroiliac joint magnetic resonance imaging structural lesions at 12 weeks in patients with active ankylosing spondylitis (TORTUGA trial)
Rheumatology 2022;61:2063–71 doi:10.1093/rheumatology/keab543
Maksymowych et al., carried out a post-hoc analysis to assess the effect of filgotinib on MRI measures of structural change in the SI joint in patients with active AS in the TORTUGA trial. This study evaluated lesions using SPARCC SSS definitions for erosion, backfill, fat metaplasia and ankylosis by two independent scoring readers.