A Single Centre, Open-Label, Randomised, Study to Evaluate the Effect of Anakinra (r-metHuIL-1ra) Alone and in Combination With PEGylated Recombinant Methionyl Human Soluble Tumour Necrosis Factor Receptor Type I (PEG sTNF-RI) on Synovial Inflammation in Subjects With Rheumatoid Arthritis. A Single Centre, Open-Label, Randomised, Study to Evaluate the Effect of Anakinra (r-metHuIL-1ra) Al ...