Cancer diagnosis in a Spanish cohort of multiple sclerosis patients under dimethylfumarate treatment

Background Potential increase of cancer incidence is one of the main safety concerns of the disease-modifying therapies employed in Multiple Sclerosis (MS). Objective Detailed description of patients who developed cancer among a prospective cohort of Spanish MS patients on dimethyl fumarate (DMF) treatment. Methods We describe patients who developed cancer among a cohort of 886 MS patients on DMF treatment (2681 patient-years), with a median...