Patent ID: 8084447

Claim:
A method for treating chronic inflammatory pain in a mammal in need thereof, comprising administering to the mammal a therapeutically effective dose of a pharmaceutical composition comprising: gabapentin or pregabalin, or a pharmaceutically acceptable acid addition salt with inorganic or organic acids thereof, and an α-aminoamide selected from the group consisting of (S)-(+)-2-[4-(2-fluorobenzyloxy)benzylamino]-propanamide, (R)-(−)-2-[4-benzyloxybenzylamino]-3-phenyl-N-methylpropanamide, and (S)-(+)-2-[4-(3-fluorobenzyloxy)-benzylamino]-N-methyl-propanamide, either as an isolated optically active isomer or as a racemic mixture thereof, or a pharmaceutically acceptable acid addition salt with inorganic or organic acids of the isolated optically active isomer or racemic mixture, wherein the α-aminoamide and gabapentin or pregabalin or the pharmaceutically acceptable acid addition salts thereof are present in a ratio based on a fraction of their respective ED 50 values, which ratio ranges from about 1:1 to about 30:1 or from about 1:1 to about 1:30, respectively.