what is gilenya
2 Reviews. 2 Reviews. Gilenya is the brand name of the drug fingolimod, which is used to treat symptoms of relapsing forms of multiple sclerosis (MS) . MS is a neurological condition where the immune system attacks the protective covering of nerves.elapsing MS occurs when symptoms show up from time to time. Gilenya is in a class of drugs known as sphingosine I-phosphate receptor modulators, which work by keeping immune cells in the lymph nodes, so they can't reach and damage the brain or spinal cord.