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。An inhibitor to spleenic kinase-mediated IgG Fc receptor signaling. 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.