Pharmaceutical compositions comprising 2-[6-(3-Amino-piperidin-1-yl)-3-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin- -1-ylmethyl]-4-fluoro-benzonitrile and pharmaceutically acceptable salts thereof are provided as well as kits and articles of manufacture comprising the pharmaceutical compositions as well as methods of using the pharmaceutical compositions.