This study is a 24-week single-center, randomized, double-blind, placebo-controlled trial. The trial includes a 3-week early screening and lifestyle education period, 6-week treatment period, and 18-week follow-up period. Chinese type 2 diabetic subjects receiving traditional hypoglycemic treatment（including insulin） were randomly assigned to umbilical cord mesenchymal stem cell or placebo infusion therapy to observe the efficacy and safety of umbilical cord mesenchymal stem cell infusion therapy.
This study is a 24-week single-center, randomized, double-blind, placebo-controlled trial. The trial includes a 3-week early screening and lifestyle education period, 6-week treatment period, and 18-week follow-up period. Chinese type 2 diabetic subjects receiving traditional hypoglycemic treatment were randomly assigned to umbilical cord mesenchymal stem cell or placebo infusion therapy to observe the efficacy and safety of umbilical cord mesenchymal stem cell infusion therapy.