 6. At Study Day 0 use of DMARDs and biologics except antimalarials including oral or injectable gold, azathioprine, penicillamine, sulfasalazine or cyclosporine. Subjects previously treated with any of these medications are eligible provided a 28 day wash-out is completed prior to Study Day 0. Antimalarial can be continued at the same dose if they have been administered at the same dose for 8 weeks before Study Day 0, and they will be administered at the same dose throughout the study. NSAIDs or corticosteroid 10 mg prednisone or equivalentday may be continued at the same dose if they have been used at a stable dose for two weeks prior to Study Day 0, and will be continued at the same doses throughout the study. 