BMS-790052 is a first-in-class, nonstructural protein 5A (NS5A) replication complex inhibitor with an EC50 of 9-50 pM. It is one of the most potent inhibitors of HCV replication reported so far. BMS-790052 inhibits hybrid replicons containing HCV genotype-4 NS5A genes with EC50 of 7–13 pM. Residue 30 of NS5A is an important site for BMS-790052-mediated resistance in the hybrid replicons. BMS-790052 was well tolerated in all dose groups, with adverse events occurring with a similar frequency in BMS-790052- and placebo-treated groups. BMS-7590052 is the first NS5A replication complex inhibitor with multiple dose proof-of-concept in clinic. At doses of 1-100 mg daily, BMS-790052 was well tolerated, had a PK profile supportive of once-daily dosing, and produced a rapid and substantial decrease in HCV-RNA levels in patients chronically infected with HCV genotype 1.
Molecular Weight | 738.88 |
Formula | C40H50N8O6 |
CAS Number | 1009119-64-5 |
Solubility (25°C) | DMSO ≥40 mg/mL Ethanol ≥40 mg/mL |
Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
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.
[2] Lim et al. J Biol Chem. Correlation between NS5A Dimerization and Hepatitis C Virus Replication.
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