R788 (Fostamatinib) Disodium是活性代谢产物R406的前体药物,是一种Syk抑制剂,IC50为41 nM,强效抑制Syk但不抑制Lyn,对Flt3作用效果弱5倍。Phase 3。产品介绍:Fostamatinib disodium (R788, Tamatinib Fosdium)是活性代谢物R406的前体药物,是一种Syk抑制剂,无细胞试验中IC50为41 nM,强效抑制Syk但不抑制Lyn,对Flt3作用效果弱5倍。Phase 3。 ;R788 (Fostamatinib) disodium, a prodrug of the active metabolite R406, is a Syk inhibitor with IC50 of 41 nM, strongly inhibits Syk but not Lyn, 5-fold less potent to Flt3. Phase 3.An inhibitor to spleenic kinase-mediated IgG Fc receptor signaling.