Olacaftor (VX-440) is a cystic fibrosis transmembrane conductance regulator (CFTR) modulator extracted from patent US9782408.
Molecular Weight | 539.66 |
Formula | C29H34FN3O4S |
CAS Number | 1897384-89-2 |
Form | Solid |
Solubility (25°C) | DMSO 50 mg/mL (ultrasonic and warming and heat to 60°C) |
Storage | Powder -20°C |
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.
[3] Sheridan M Hoy. Drugs. Elexacaftor/Ivacaftor/Tezacaftor: First Approval
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