Abstract: A RET inhibitor, a pharmaceutical composition thereof and uses thereof including a compound having Formula (I) or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof. Furthermore, a pharmaceutical composition including the compound, and uses of the compound and pharmaceutical composition thereof in the manufacture of a medicament for treatment and prevention of RET-related diseases and conditions, including cancer, irritable bowel syndrome, and/or pain associated with irritable bowel syndrome.

Abstract: A RET inhibitor, a pharmaceutical composition thereof and uses thereof. In particular, the present invention provides a compound having Formula (I) or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof. The invention also relates to a pharmaceutical composition including the compound, and uses of the compound and pharmaceutical composition thereof for the preparation of a medicament, in particular for treatment and prevention of RET-related diseases and conditions, including cancer, irritable bowel syndrome, and/or pain associated with irritable bowel syndrome.

Abstract: Provided are fused tricyclic compounds effective to inhibit the function of the NS5A protein of formula (I), wherein X, X?, Y, Y?, A, A?, Q1, Q2, R1-R4, X4, R5a, f and W are defined as in the description. Also provided herein are pharmaceutical compositions thereof, and uses in the manufacture of a medicament for treating HCV infection or a HCV disorder thereof.

Abstract: Provided herein is a bridged bring compound of formula (I) or a stereoisomer, a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof, which can be used for treating treat hepatitis C virus C(HCV) infection or hepatitis C disease. Furthermore provided herein are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions thereof in the treatment of HCV infection or hepatitis C.

Abstract: Provided herein is a bridged bring compound of formula (I) or a stereoisomer, a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof, which can be used for treating treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore provided herein are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions thereof in the treatment of HCV infection or hepatitis C.

Abstract: A compound of formula (I) or a stereoisomer, a geometric isomer. a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof is provided, which can be used for treating HCV infection or a HCV disorder. Also a pharmaceutical composition comprising the compound and the use of the compound and the pharmaceutical composition thereof are provided, which can also be used for treating HCV infection or a HCV disorder.

Abstract: Provided herein is a compound having Formula (I), or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof, which can be used for treating HCV infection or a HCV disorder. Also provided herein are pharmaceutical compositions comprising the compounds disclosed herein, which can be used for treating HCV infection or a HCV disorder.

Abstract: Disclosed are spiro compounds of formula (I), or stereomers, geometric isomers, tautomers, nitrogen oxides, hydrates, solvates, metabolites, pharmaceutically acceptable salts or prodrugs thereof. The compounds can be used to treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore disclosed are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions in the treatment of HCV infection or hepatitis C disease.

Abstract: Provided are fused tricyclic compounds effective to inhibit the function of the NS5A protein of formula (I), wherein X, X?, Y, Y?, A, A?, Q1, Q2, R1-R4, X4, R5a, f and W are defined as in the description. Also provided herein are pharmaceutical compositions thereof, and uses in the manufacture of a medicament for treating HCV infection or a HCV disorder thereof.

Abstract: A compound of formula (I) or a stereoisomer, a geometric isomer. a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof is provided, which can be used for treating HCV infection or a HCV disorder. Also a pharmaceutical composition comprising the compound and the use of the compound and the pharmaceutical composition thereof are provided, which can also be used for treating HCV infection or a HCV disorder.

Abstract: A compound of formula (I) or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof is provided, which can be used for treating HCV infection or a HCV disorder. Also a pharmaceutical composition comprising the compound and the use of the compound and the pharmaceutical composition thereof are provided, which can also be used for treating HCV infection or a HCV disorder.

Abstract: Provided herein is a compound having Formula (I), or a stereoisomer, a geometric isomer, a tautomer, an N-oxide, a hydrate, a solvate, a metabolite, a pharmaceutically acceptable salt or a prodrug thereof, which can be used for treating HCV infection or a HCV disorder. Also provided herein are pharmaceutical compositions comprising the compounds disclosed herein, which can be used for treating HCV infection or a HCV disorder.

Abstract: Disclosed are spiro compounds of formula (I), or stereomers, geometric isomers, tautomers, nitrogen oxides, hydrates, solvates, metabolites, pharmaceutically acceptable salts or prodrugs thereof. The compounds can be used to treat hepatitis C virus (HCV) infection or hepatitis C disease. Furthermore disclosed are pharmaceutical compositions containing the compounds and the method of using the compounds or pharmaceutical compositions in the treatment of HCV infection or hepatitis C disease.