Testing for 4 Gene Variations May Predict Risk of PML Brain Infection

Genetic variations in certain genes may increase the risk of developing progressive multifocal leukoencephalopathy (PML), a serious brain infection associated with certain treatments for multiple sclerosis (MS) and other conditions, a new study shows. The findings suggest that testing for four specific genetic variant could help to predict…

Higher COVID-19 Risk Tied to 2 MS Therapies, Even With Vaccination

Fully vaccinated multiple sclerosis (MS) patients who are treated with Ocrevus (ocrelizumab) or Gilenya (fingolimod) have a significantly higher risk of COVID-19 infection than those given other immunosuppressive therapies, according to a study in Italy. Called breakthrough infections, these post-vaccination cases of SARS-CoV-2 — the virus that causes…

Serious Infections in Adolescence Linked to Increased MS Risk

Experiencing serious infections during adolescence is tied to an increased risk of developing multiple sclerosis (MS) later in life, but those occurring in childhood don’t increase MS risk, according to a new Swedish study. The study also found that certain types of infections, especially those that affect the central…