Patent ID: 8703747

Claim:
A method for treating pain comprising the administration to a patient requiring same of an effective quantity of a combination of (a) gabapentin or pregabalin and (b) at least one compound having the following general formula (I): R 1 —NH—CH(R 2 )—P(═O)(OR 3 )—CH 2 —C(R 4 )(R 5 )—CONH—CH(R 6 )—COOR 7 (I) or a pharmaceutically acceptable salt thereof, wherein: R 1 represents a group —C(═O)—O—C(R 8 )(R 9 )—OC(═O)—R 10 , wherein R 8 and R 9 represent, independently of each other, a hydrogen atom or an alkyl group; R 10 represents an alkyl group; R 2 represents an alkyl group R 3 represents a hydrogen atom R 5 represents a hydrogen atom and R 4 represents: a benzyl optionally substituted on the phenyl nucleus in para position by a phenyl group; R 6 represents a linear or branched saturated or unsaturated hydrocarbon chain, comprising 1 to 6 carbon atoms; and R 7 represents a radical selected from the group consisting of a hydrogen atom, a benzyl, a C2 to C4 alkyl, —CHR 18 —COOR 19 , —CHR 18 —OC(═O)R 19 and —CHR 18 —OC(═O)OR 19 , wherein R 18 and R 19 represent, independently from each other, an alkyl, aryl, arylalkyl, cycloalkyl, cycloheteroalkyl, heteroalkyl, heteroaryl or heteroarylalkyl group.