 Tysabri natalizumab. Gilenya FingolimodFTY720. Zenapax daclizumab. Cytoxan cyclophosphamide. Novantrone mitoxantrone. Cyclosporine. CellCept mycophenolate mofetil. Imuran azathioprine. Rheumatrex methotrexate. IV gamma globulin. Plasma exchange. 