A Randomized Controlled Trial on the Efficacy and Safety of Umbilical Cord Mesenchymal Stem Cell Therapy in Subjects With Moderate to Severe Diabetic Peripheral Neuropathy

On day 0, day 7, and day 28 after enrollment, the study subjects will receive intramuscular injections of hUC-MSCs suspension in normal saline into the medial and lateral muscle groups of both lower legs. Concurrently, all patients will continue to receive conventional therapy.

The conventional therapy include fundamental blood glucose management, basic treatment for diabetic neuropathy along with pain management therapy, as well as management of comorbidities and risk factors.