Active erosive psoriatic arthritis of poly-articular type or active erosive or with joint space narrowing psoriatic arthritis of oligo-articular type

At least 18 years old

Have fulfilled reimbursement criteria for Enbrel in psoriatic arthritis of poly-articular type or oligo-articular type

Physician decides to prescribe Enbrel or patient is already on Enbrel

Give written informed consent at time of inclusion to study

Study Evaluating Safety and Adherence to Treatment With Etanercept in Adults With Psoriatic Arthritis