Hos patienter med psoriasis arthritis, der modtog 5 mg/ kg med og uden methotrexat, forekom der i alt antistoffer hos 15% af patienterne (der forekom antistoffer hos 4% af de patienter, der fik methotrexat og hos 26% af de patienter, der ikke fik methotrexat ved baseline).
In psoriatic arthritis patients who received 5 mg/ kg with and without methotrexate, antibodies occurred overall in 15% of patients (antibodies occurred in 4% of patients receiving methotrexate and in 26% of patients not receiving methotrexate at baseline).