Patent ID: 8288368

Claim:
A pharmaceutical composition consisting of (R)-2-Aryl-propionamide compound of formula (I) or a pharmaceutically acceptable salt thereof, wherein Ar is a group selected from 4-isobutylphenyl, 2-(2,6-dichloro-phenyl-amino)-phenyl, or a phenyl 3-substituted with a group selected from the group consisting of benzoyl, isopropyl, isobutyl, pent-3-yl, 1-phenylethylen-1-yl, Î±-methylbenzyl, Î±-hydroxybenzyl, and Î±-hydroxyethyl, R represents hydrogen, X is a linear or branched C1-C6 alkylene, R1 and R2 are: independently hydrogen or methyl; or R1 and R2 together with the N atom to which they are bound, form a 6 membered ring of formula (II) selected from the group consisting of 1-piperidinyl and morpholinyl wherein the compound of the formula (I) has activity of inhibition of C5a-induced chemotaxis of polymorphonucleate leukocytes and monocytes and is devoid of any significant activity of inhibition of a cyclooxygenase enzyme.