FIELD: medicine.
SUBSTANCE: group of inventions discloses a method of treating hepatitis C virus infection in patients in need of such treatment comprising administering to a patient in need thereof a compound of formula I,
free base or pharmaceutically acceptable salt thereof, and a cytochrome P450 monooxygenase inhibitor or pharmaceutically acceptable salt thereof, cytochrome P450 monooxygenase inhibitor is ritonavir or pharmaceutically acceptable salt thereof, as well as pharmaceutical composition and a kit for treating viral hepatitis C.
EFFECT: using present group of inventions reduces production of reactive metabolites.
3 cl, 2 tbl, 1 ex
