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Conclusion/Relevance: Evaluation of depression in MS may contribute to the assessment of overall effects of innovative treatments. At M6, fewer patients receiving FTY720, compared with PL, reported depression on the BDI-II or as an AE. Mean BDI-II scores were low in all groups. Nevertheless, patients receiving FTY720 1.25 mg, compared with PL, showed significant improvement in this score between baseline and M6.
2) [P07.101] CNS Mediated Effects of FTY720 (Fingolimod) in EAE
Date: Thursday, May 3, 2007 11:30 AM
Location: Exhibit Hall A - Poster Sessions VII: Multiple Sclerosis and Related Diseases: Animal Models II (11:30 AM - 2:30 PM)
Objective: To determine the centrally mediated effects of FTY720 (Fingolimod) in experimental autoimmune encephalomyelitis (EAE) in DA rats, an animal model of multiple sclerosis.
Conclusion/Relevance: These studies suggest that the mechanism of action of FTY720 may involve beneficial direct CNS effects in addition to the well-described effect on reducing T cell infiltration into the CNS. This raises the possibility that FTY720 might also have protective effects in progressive stages of multiple sclerosis.
3) [P08.135] FTY720 (Fingolimod) Regulates Astrocyte Signaling and Migration
Date: Thursday, May 3, 2007 4:00 PM
Location: Exhibit Hall A - Poster Sessions VIII: Multiple Sclerosis and Related Diseases: Immunology II (4:00 - 7:00 PM)
Objective: The aim of our study was to define which sphingosine-1-phosphate receptor (S1P-Rs) subtypes are responsible for mediating FTY720 action on brain cells, specifically on astrocytes.
Conclusion/Relevance: We report that FTY720P activates S1P-Rs on astrocytes, thereby stimulating a number of intracellular signals and cell migration. These findings indicate that FTY720 has multiple S1P-R-specific modes of action, beyond immunomodulation, which may contribute to its effectiveness in multiple sclerosis.