Lanraplenib (GS-9876, GS-SYK) is a potent, highly selective and orally active inhibitor of Spleen Tyrosine Kinase (SYK) with IC50 of 9.5 nM. Lanraplenib inhibits SYK activity in platelets via the glycoprotein VI (GPVI) receptor without prolonging bleeding time (BT) in monkeys or humans.
|Solubility (25°C)||DMSO 89 mg/mL|
Powder -20°C 3 years ; 4°C 2 years
In solvent -80°C 6 months ; -20°C 1 month
|Body Surface Area (m2)||0.007||0.025||0.15||0.05||0.02||0.5|
|Animal A (mg/kg) = Animal B (mg/kg) multiplied by||Animal B Km|
|Animal A Km|
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
 Su'an Tang, et al. Expert Opin Investig Drugs. Investigational spleen tyrosine kinase (SYK) inhibitors for the treatment of autoimmune diseases
 Peter Blomgren, et al. ACS Med Chem Lett. Discovery of Lanraplenib (GS-9876): A Once-Daily Spleen Tyrosine Kinase Inhibitor for Autoimmune Diseases
|Related Syk Products|
GSK2646264 is a potent and selective splenic tyrosine kinase (Syk) inhibitor with a pIC50 value of 7.1. GSK2646264 also inhibited other kinases, with pIC50 values of 5.4, 5.4, 5.3, 5, 4.5, <4.6 and <4.3 for LCK, LRRK2, GSK3β, JAK2, VEGFR2, Aurora B and Aurora A, respectively. GSK2646264 penetrates into the epidermis and dermis of the skin.
SRX3207 is an orally active dual inhibitor of Syk-PI3K with IC50 of 39.9 nM, 31200 nM, 3070 nM, 3070 nM, 244 nM, 388 nM, 9790 nM for Syk, Zap70, BRD41, BRD42, PI3K alpha, PI3K delta, PI3K gamma, respectively. SRX3207 blocks tumor immunosuppression and increases anti-tumor immunity.
RO9021 potently inhibits SYK kinase activity with an average IC50 of 5.6 nM and suppresses B-cell receptor signaling.
WAY-321341 is a syk inhibitor
WAY-299721 is a impede the interaction of Syk with its cellular partners while maintaining an active kinase protein (Syk inhibitor)
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