1 Definition of SB939

Meaning of SB939: A substance being studied in the treatment of several types of cancer.

A substance being studied in the treatment of several types of cancer. SB939 blocks the action of an enzyme called histone deacetylase (HDAC) and may stop tumor cells from dividing. It is a type of HDAC inhibitor.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.