Det kliniske fremskridt inkl. virkningsstart inden for 2 uger for Enbrel 25 mg var det samme, som man havde set i de tidligere forsøg, og blev vedligeholdt i op til 24 måneder.
Clinical improvement including onset of action within 2 weeks with Enbrel 25 mg was similar to that seen in the previous trials, and was maintained for up to 24 months.