Rosenkranz T, Novas M, Terborg C. PML in a Patient with Lymphocytopenia Treated with Dimethyl Fumarate. N Engl J Med. 2015 ;372(15):1476-1478.
The authors report a fatal case of progressive multifocal leukoencephalopathy in a 54-year-old woman in whom lymphocytopenia developed after treatment with delayed-release dimethyl fumarate for multiple sclerosis.
We have already heard about PML cases of people taking Tecfidera. Here is the case report
CoI: None Relevant