40
Participants
Start Date
January 1, 2025
Primary Completion Date
June 30, 2026
Study Completion Date
December 31, 2028
hUC-MSC
"This group of patients received a total of 2 peripheral intravenous Human umbilical cord mesenchymal stem cells (hUC-MSC) infusions during the treatment period on the basis of conventional symptomatic and supportive treatment. The interval between the two infusions was 14 days, and the single infusion dose was approximately 2×1000,000 cells/Kg.~Conventional clinical treatment refers to symptomatic treatment with ACEI and ARB drugs."
Placebo control drug
"This group of patients received a total of 2 intravenous infusions of normal saline (the same volume, specifications and batches used in the experimental group) as a placebo control during the treatment period on the basis of conventional symptomatic and supportive treatment. The interval between the two infusions was 14 days.~Conventional clinical treatment refers to symptomatic treatment with ACEI and ARB drugs."
Guangzhou Women and Children's Medical Center
OTHER