Neil Bressler, M.D., a professor of ophthalmology at Johns Hopkins and editor-in-chief of JAMA Ophthalmology, argued that complement inhibition for geographic atrophy is a game changer. His debating ...

Novo Nordisk is paying $240 million up front for global rights to zaltenibart, an Omeros drug that blocks the MASP-3 protein to treat diseases caused by excessive activity of the complement system.

Faults in a certain part of the immune system might be at the root of some long covid cases, new research suggests. For many people, covid is an illness that blusters in and out of our lives as cases ...

Changes to serum proteins could be behind the debilitating condition known as long COVID. The findings, published in the journal Science, could pave the way for diagnosing and treating the disease.

Scientists have identified a persistent change in a handful of blood proteins in people with long Covid that indicates that an important part of their immune system remains on high alert for months ...

Researchers at the National Eye Institute have found that the complement system seems to protect against retinal degeneration in retinitis pigmentosa. The research contradicts previous findings, which ...