#$%^&*AU2012254978C120170601.pdf#####USE OF TNFa INHIBITOR FOR TREATMENT OF EROSIVE POLYARTHRITIS ABSTRACT The invention describes methods of treating erosive polyarthritis comprising administering a TNFa antibody, or antigen-binding portion thereof. The invention also describes a method for testing the efficacy of a TNFo; antibody, or antigen-binding portion thereof, for the treatment of erosive polyarthritis.