A case of progressive multifocal leukoencephalopathy under dimethyl fumarate treatment without severe lymphopenia or immunosenescence.
Martin DieboldValerian AltersbergerBernhard F DécardLudwig KapposTobias DerfussJohannes LorscheiderPublished in: Multiple sclerosis (Houndmills, Basingstoke, England) (2019)
Despite risk stratification, vigilance for PML is advised in all pwMS under DMF. Severe CD8-lymphopenia is a common feature of all published DMF-associated cases.