431
Participants
Start Date
June 30, 2012
Primary Completion Date
March 31, 2018
Study Completion Date
June 30, 2019
Hydrogel coil
at least one Hydrogel coil have to use for embolization
Bare platinum coil
only bare platinum coil have to use for embolization
Nakamura Memorial Hospital, Sapporo
Kobe City General Hospital, Kobe
Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan
OTHER
Kobe City General Hospital
OTHER