Real-world data on siponimod-related lymphopenia among people with secondary progressive multiple sclerosis.
Christopher Gs GilmartinNatasha HoyleAfagh GarjaniTerri DixonHelena JosDavid PalingWallace BrownleeChristopher TenchNikos EvangelouPublished in: Multiple sclerosis (Houndmills, Basingstoke, England) (2024)
Grade 4 lymphopenia can occur soon after siponimod initiation and cannot be predicted.