How OCREVUS may work

In the body

  • The central nervous system (the brain and spinal cord) carries signals to and from the rest of the body via nerve cells. These signals allow us to move, see, and sense things
  • The immune system uses many types of cells, including B cells and T cells, to help the body fight infections caused by viruses or bacteria

MS is thought to affect both the central nervous system and the immune system

  • The immune system behaves abnormally in MS. Instead of fighting infections, some B cells and T cells are misdirected to attack myelin (the fatty sheath that protects nerves and helps maintain the signals carried by the nerves)

Until recently, scientists have focused on T cells as a primary target in treating MS. But many scientists now agree that both B cells and T cells play important roles.

OCREVUS is thought to work differently than other MS therapies

  • OCREVUS was designed to target certain types of B cells
  • The exact way OCREVUS works is not fully known

The importance of MRIs

Learn why MRIs are one of the tools healthcare providers have to monitor how MS is progressing.

OCREVUS patient stories

Discover people living with MS who are taking OCREVUS.