Discovery Of Fingolimod, The Sphingosine 1-Phosphate Receptor Modulator And Its Application For The Therapy Of Multiple Sclerosis

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Fingolimod (FTY720) is a first-in-class, orally active, sphingosine 1-phosphate (S1P)-receptor modulator with a structure closely related to sphingosine. The compound was discovered by chemical modification of a natural product, myriocin. Phosphorylated form of FTY720 acts as a functional antagonist at S1P receptor type 1 (S1P(1)), inhibits lymphocyte egress from secondary lymphoid organs and shows immunomodulating effects. Phase III studies in multiple sclerosis demonstrated that oral FTY720 had superior efficacy compared with intramuscular IFN-β1a (AVONEX(®)) with regard to reducing the rate of relapse and the number of inflammatory lesions in the CNS. FTY720 has been approved as a new therapeutic drug for multiple sclerosis in more than 50 countries, including the USA, Japan and some of those in the EU.