Vitamin D as an early predictor of multiple sclerosis activity and progression

A Ascherio, KL Munger, R White, K Köchert… - JAMA …, 2014 - jamanetwork.com
Importance It remains unclear whether vitamin D insufficiency, which is common in
individuals with multiple sclerosis (MS), has an adverse effect on MS outcomes. Objectives
To determine whether serum concentrations of 25-hydroxyvitamin D (25 [OH] D), a marker of
vitamin D status, predict disease activity and prognosis in patients with a first event
suggestive of MS (clinically isolated syndrome). Design, Setting, and Participants The
Betaferon/Betaseron in Newly Emerging multiple sclerosis For Initial Treatment study was a …