(etrasimod)
VELSIPITY contains etrasimod, a sphingosine 1-phosphate (S1P) receptor modulator, supplied as etrasimod arginine.
Etrasimod arginine is a white, off-white to light brown solid that is slightly soluble in water. The chemical name of etrasimod arginine is L-Arginine, (3R)-7-[[4-cyclopentyl-3-(trifluoromethyl)phenyl]methoxy]-1,2,3,4-tetrahydrocyclopent[b]indole-3-acetate (1:1) having a molecular formula of C32H40F3N5O5 and a molecular weight of 631.69 g/mol.
The chemical structure of etrasimod arginine is:
VELSIPITY is supplied for oral administration as 2 mg tablets. Each tablet contains 2 mg etrasimod (equivalent to 2.76 mg etrasimod arginine) and the following inactive ingredients: magnesium stearate, mannitol, microcrystalline cellulose, and sodium starch glycolate, with a film coating containing FD&C blue #1/brilliant blue FCF aluminum lake, FD&C blue #2/indigo carmine aluminum lake, FD&C yellow #5/tartrazine aluminum lake, macrogol 4000 JP/PEG 3350, polyvinyl alcohol (partially hydrolyzed), talc, and titanium dioxide.
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