| 摘要 |
The present invention relates to methods for treating nitrate-induced tolerance in a mammal by administering a nitrate-induced tolerance treating amount of a compound of formulae (I), (II), (III) (IV), (V), (VI), (VII), (VIII), (IX), (XA) or (XB) as defined herein, or the pharmaceutically acceptable salts, prodrugs, polymorphs, hydrates, solvates, active metabolites or stereoisomers thereof. The inventi on also relates to pharmaceutical compositions for the treatment of nitrate-induced tolerance in a mammal comprising a nitrate-induced tolerance treating amount of a compound of formulae (I), (II), (III) (IV), (V), (VI), (VII), (VIII), (IX), (XA) or (XB) as defined herein, or the pharmaceutically acceptable salts, prodrugs, polymorphs, hydrates, solvates, active metabolites or stereoisomers thereof, and a pharmaceutically acceptab le vehicle, diluent or carrier. The invention further relates to methods of preventing nitrate-induced tolerance in a mammal comprising administering a nitrate- induced tolerance preventing amount of a cGMP PDE inhibitor.
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