Expert Consensus on a Set of Outcomes to Assess the Effectiveness of Biologic Treatment in Psoriatic Arthritis: The MERECES Study

Objective. To reach a consensus on the instruments to be used in clinical practice to evaluate the effectiveness of biological disease-modifying antirheumatic drug (bDMARD) treatment in patients with psoriatic arthritis (PsA) in the short to medium term (3–6 mos), and to establish the minimum health outcomes for treatment continuation. Methods. A 2-round Delphi questionnaire was developed based on both the information gathered in the literature...