1 Definition of biologic agent

Meaning of biologic agent: A substance that is made from a living organism or its products and is used in the prevention, diagnosis, or treatment of cancer and other diseases.

A substance that is made from a living organism or its products and is used in the prevention, diagnosis, or treatment of cancer and other diseases. Biologic agents include antibodies, interleukins, and vaccines. Also called biological agent and biological drug.

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.