Dictionary of Cancer Terms
View in Spanish: HA20
HA20
A substance being studied in the treatment of several types of lymphoma. It binds to the protein CD20, which is found on B cells (a type of immune system cell) and some types of lymphoma cells. This causes the immune system to kill the cancer cells. hA20 is a type of monoclonal antibody. Also called HCD20, IMMU-106, and veltuzumab.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.