by G Remington 2013 Cited by 85 This article reviews adherence to medication in multiple sclerosis (MS) patients from ... experienced by patients must also be evaluated on a case-by-case basis.. Oct 22, 2014 Biogen confirmed Wednesday that it's seen its first case of PML in a patient taking Tecfidera, its new pill for multiple sclerosis that's already.... Please see below for these additional resources to assist with medication and ... above copay assistance programs has opened, we suggest