研究单位：[1]Xuanwu Hospital, Capital Medical University,Beijing,Beijing,China,100053
研究目的：
To evaluate the safety and preliminary efficacy of human umbilical cord mesenchymal stem cell-derived small extracellular vesicles hUC-MSC-sEV-001 nasal drops in multiple neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, multiple system atrophy, Lewy body dementia, and frontotemporal dementia.
