Abbreviations: ADAbs: anti-drug antibodies; RA: rheumatoid arthritis; SPA: Spondyloarthritis; CD: Crohn’s disease; IFX: infliximab; ADA: adalimumab
Figure 1a: IFX levels (µg/ml) in ADAbs+ Figure 1b: ADA levels (µg/ml) in ADAbs+ versus ADAbs- patients in RA versus ADAbs- patients in RA