Determination of antibodies against the John Cunningham virus (JCV) is an important tool for risk stratification in Natalizumab‐treated multiple sclerosis (MS) patients. Six‐monthly testing has been suggested for anti‐JCV antibody… Click to show full abstract
Determination of antibodies against the John Cunningham virus (JCV) is an important tool for risk stratification in Natalizumab‐treated multiple sclerosis (MS) patients. Six‐monthly testing has been suggested for anti‐JCV antibody negative patients and patients with low antibody index in order to detect changes of serostatus. We conducted a prospective study with predefined testing intervals in order to investigate the predictability of anti‐JCV antibody status and the intervals for repetitive testing.
               
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