Novel amino acid salts of 6-(4-chlorophenyl)-2,2-dimethyl-7-phenyl-2,3-dihydro-lH-pyrrolizin-5-yl-acetic acid or derivatives thereof, process for preparation of such salts and methods of using them are provided. Also provided are pharmaceutical compositions comprising such novel salts and methods of using such compositions for the prophylaxis, amelioration and/or treatment of inflammation and/or pain, or other associated disease(s)/disorder(s). The novel salts of the present invention are obtained in highly pure form, possess appreciable aqueous solubility and/or permeability and can be easily formulated into desired pharmaceutical compositions which can be administered orally, parenterally, or by any other route of administration.
