Difficult to Healing of Skin Ulcers Clinical Trial
Official title:
Umbilical Cord Mesenchymal Stem Cells Between Gel Treatment Difficult Skin Ulcer Healing Efficacy and Safety of Random, Open, Before-and-after Study
This study for a six-month trials, Randomized, open, and parallel comparison before and after its own, Stage test includes screening stage, treatment period and follow-up period. In accordance with chronic wound criteria for the patient, By producing the principle of random number, Were randomly divided into UC-MSCs Gel group or Gel group, The researchers according to the situation of wound healing time and decided to use the secondary treatment, To observe the clinical efficacy and safety.
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Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment