The purpose of this study is to investigate the superiority of nateglinide over placebo for inadequately controlled type 2 diabetic patients with pioglitazone treatment.
Inclusion Criteria:
Exclusion Criteria:
Chubu Region, Japan
Chugoku Region, Japan
Hokkaido Region, Japan
Kanto Region, Japan
Kinki Region, Japan
Kyushu Region, Japan
Tohoku Region, Japan