Dimethyl fumarate (Tecfidera): updated advice on risk of progressive multifocal leukoencephalopathy

Source:
GOV UK
Publisher:
Medicines and Healthcare products Regulatory Agency
Publication date:
18 April 2016

Abstract

Cases of progressive multifocal leukoencephalopathy have been reported in patients taking dimethyl fumarate for multiple sclerosis, who all had prolonged lymphopenia.