Long-term clinical effect of Tangyiping Granules (糖异平颗粒) on patients with impaired glucose tolerance

Objective To evaluate the long-term clinical effect of Tangyiping Granules (糖异平颗粒, TYP) on patients with impaired glucose tolerance (IGT) to achieve normal glucose tolerance (NGT) and hence preventing them from conversion to diabetes mellitus (DM).