4 recruiting studies matching your filters
Background: \- Progressive multifocal leukoencephalopathy (PML) is a severe viral infection of the brain. It is caused by JC virus. Many people have this viru…
This study will evaluate the risk of progressive multifocal leukoencephalopathy (PML), a rare brain infection caused by John Cunningham virus (JCV), among peop…
Background: Progressive multifocal leukoencephalopathy (PML) is a rare and often fatal brain infection caused by the JC virus. The JC virus is common. More th…
Background: Multiple sclerosis (MS) and progressive multifocal leukoencephalopathy (PML) are disorders that affect the central nervous system (CNS). The CNS i…