Peroxisome proliferator-activated receptors (PPARs) play an important role in regulating both glucose and lipid metabolism. Agonists for both PPARgamma and PPARgamma have been used to treat dyslipidemia and hyperglycemia, respectively. In addition to affecting glucose metabolism, PPARgamma agonists also regulate lipid metabolism. In this review, we will focus on the randomized clinical trials t...