102
Participants
Start Date
March 30, 2018
Primary Completion Date
March 31, 2020
Study Completion Date
March 31, 2020
human umbilical cord mesenchymal stem cells (hUC-MSCs)
Four times of intrathecal administrations of hUC-MSCs
The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou
Limin Rong
OTHER