Comparative study for in vitro release of metformin of two immediate-release multisource products, marketed in colombia

The objective of the study was to determine the equivalence of two multisource drug products of metformin tablets using in vitro testing. The in vitro dissolution profiles were done in phosphate buffer (pH 6.8), acetate buffer (pH 4.5), hydrochloric acid (pH 1.2) and two dissolution apparatus were u...