What Is It?

Immunotherapy refers to treatments that stimulate, enhance or suppress the body's own immune system.

Immunotherapy is also called:

  • Biological therapy

  • Biotherapy

  • Biological response modifier therapy

Immunotherapy is used to treat certain types of cancer. It is also used to treat inflammatory diseases. These include:

  • Rheumatoid arthritis

  • Crohn's disease

  • Multiple sclerosis

Our body's immune system recognizes cancer cells as foreign or abnormal. Unlike normal cells, cancer cells have unique proteins (antigens) on their outer surface. Antibodies are proteins produced by the immune system. They latch onto the cancer cells' antigens. In this way, they label or tag the abnormal cells.

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