<qa>  What is the name of the medication that is used to treat fingolimod?- Prior treatment with any of the following medications or procedures within 6 months prior to Day 1: fingolimod; teriflunomide; natalizumab; cyclosporine; azathioprine; methotrexate; mycophenolate mofetil; laquinimod; intravenous IV immunoglobulin; plasmapheresis or cytapheresis 