In a study investigating the role of PPARD polymorphism in the response to exenatide treatment in newly diagnosed T2D patients from China, baseline values of BMI were higher in patients with TC and CC than in those with TT genotype, while TG values were higher in minor allele homozygous CC of the PPAR-β/δ rs2016520. Here, PPARD is linked to type 2 diabetes mellitus.