Medical Definition of fingolimod
: a drug C19H32NO2·HCl that is used orally in the treatment of relapsing multiple sclerosis which is marked by attacks of worsening neurological function alternating with periods of partial or complete remission ◆Fingolimod is an immunomodulator that reduces the number of lympyhocytes circulating in the blood. It is marketed under the trademark Gilenya.
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