MedicalTerminology DB

Meaning of eculizumab: A monoclonal antibody used to prevent red blood cells from being destroyed in patients with paroxysmal nocturnal hemoglobinuria (PNH), a red blood cell disorder.

Definition of eculizumab

A monoclonal antibody used to prevent red blood cells from being destroyed in patients with paroxysmal nocturnal hemoglobinuria (PNH), a red blood cell disorder. Monoclonal antibodies are made in the laboratory and can locate and bind to substances in the body. Eculizumab blocks a protein in the blood that causes the breakdown of red blood cells. Also called Soliris.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

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.