DETAILED DESCRIPTION OF THE INVENTION [0046] The term ???diabetes??? as employed herein, refers to type 2 (or Type II) diabetes or non-insulin dependent diabetes mellitus (NIDDM). [0047] The term ???metformin??? as employed herein refers to metformin or a pharmaceutically acceptable salt thereof such as the hydrochloride salt, the metformin (2:1) fumarate salt, and the metformin (2:1) succinate sa