About Psoriatic Arthritis Treatment - Enbrel® (etanercept)Learn about psoriatic arthritis, how this condition can cause permanent joint damage, and how Enbrel (R) (etanercept) may help in reducing signs and symptoms.Psoriatic Arthritis and Enbrel® (etanercept)Psoriatic arthritis can be effectively treated with ENBREL, the #1 biologic prescribed by rheumatologists.Enbrel Approved for Psoriatic Arthritis - About Arthritis ...Enbrel has been approved by the FDA for psoriatic arthritis.