Effectiveness of Treatment With Tofacitinib in Patients With Psoriatic Arthritis in Routine Clinical Practice

Inclusion Criteria: Patients must meet all of the following inclusion criteria to be eligible for inclusion in the study:

1. Patients aged ≥ 18 years
2. Moderate to severe PsA disease activity diagnosed
3. Patients for whom the physician's decision has been made to initiate treatment with tofacitinib, in usual clinical practice conditions and in compliance with the local label
4. Patients are treatment naïve to tofacitinib on the date of providing informed consent
5. Evidence of a personally signed and dated informed consent document indicating that the patient (or a legally acceptable representative) has been informed of all pertinent aspects of the study
6. Patients on DMARDs must have not had a treatment change in the past 3 months

Exclusion Criteria: Patients meeting any of the following criteria will not be included in the study:

1. Contraindications according to the Xeljanz® (tofacitinib) Prescribing Information
2. Receipt of any investigational drug within 3 months before study inclusion
3. Patient is pregnant or breastfeeding
4. Recent herpes zoster infection (within past 6 months) or history of severe disseminated herpes zoster infection
5. Active treatment for a malignancy
6. Concomitant treatment with a biological disease-modifying antirheumatic drugs (bDMARD)