Your complement system consists of a group of important proteins in your bloodstream. These proteins help your immune system fight off harmful invaders, such as bacteria, and other foreign substances.

NEW HAVEN, Conn.--(BUSINESS WIRE)--Rallybio Corporation (Nasdaq: RLYB) today announced preliminary Phase 1 multiple ascending dose (MAD) data for RLYB116, an innovative, long-acting, low volume ...

A complement blood test measures how well complement proteins in your blood support immune defense. The complement system helps antibodies fight germs and clear foreign substances. Complement testing ...

Complement C5a is a known mediator of inflammatory and neuropathic pain. In a new study, patients with NMOSD who were in remission and healthy controls were asked to rate their pain on a visual analog ...