22
Participants
Start Date
March 28, 2017
Primary Completion Date
December 31, 2025
Study Completion Date
December 31, 2025
Pneumostem
direct intracerebroventricular injection of mesenchymal stem cells via ventricular tap
Normal saline
direct intracerebroventricular injection of normal saline via ventricular tap
Samsung Medical Center, Seoul
Samsung Medical Center
OTHER