Compared with increasing the insulin dose therapy, the present study demonstrated the beneficial effects of adding the long-acting GLP-1 analog liraglutide to established insulin therapy, which resulted in a significant improvement in glycemic control, reduction in insulin requirement, lower incidence of hypoglycemia events and weight loss in the Chinese patients with poorly controlled T2D and abdominal obesity. The gene discussed is GCG; the disease is Abdominal obesity.