The Effect of Comedication With a Conventional Synthetic Disease‐Modifying Antirheumatic Drug on Drug Retention and Clinical Effectiveness of Anti–Tumor Necrosis Factor Therapy in Patients With Axial Spondyloarthritis

Abstract

We demonstrate an association between the combination of a TNFi with conventional synthetic DMARDs and improved drug retention in patients with axial SpA, particularly in the subgroup of patients with infliximab.