ABT-072 (potassium trihydrate) is an orally active and potent non-nucleoside HCV NS5B polymerase inhibitor (HCV GT1a EC 50 =1 nM; HCV GT1b EC 50 =0.3 nM) In Vitro ABT-072 (potassium trihydrate) is a non-nucleoside NS5B polymerase inhibitor with nanomolar potency in vitro against genotype 1a and 1b hepatitis C virus polymerases. MCE has not independently confirmed the accuracy of these methods. They are for reference only. In Vivo ABT-072 (5 and/or 30 mg/kg; i.v. or p.o.) (potassium trihydrate) shows good PK properties. ABT-072 (2.5 and/or 30 mg/kg; i.v. or p.o.) (potassium trihydrate) shows low plasma clearance and high oral bioavailability. MCE has not independently confirmed the accuracy of these methods. They are for reference only. Animal Model: RatsDosage: 5 and/or 30 mg/kg (Pharmacokinetic Analysis) Administration: I.v. or p.o. Result: Showed good PK properties. Animal Model: DogDosage: 2.5 or 30 mg/kg (Pharmacokinetic Analysis) Administration: I.v. or p.o. Result: Showed low plasma clearance and high oral bioavailability. Form:Solid IC50& Target:NS5B Polymerase