News

IBD diagnosis often comes before AAV, study finds

Inflammatory bowel disease (IBD) — a chronic disease where the bowel becomes inflamed, causing recurring lower abdominal pain and diarrhea — can overlap with ANCA-associated vasculitis (AAV) and is often diagnosed first, a study found. The finding suggests a possible link between the two diseases, and that having IBD…

EGPA disease symptoms don’t vary with ANCA status, study finds

Symptoms and disease manifestations of eosinophilic granulomatosis with polyangiitis (EGPA), a rare type of ANCA-associated vasculitis (AAV), are generally similar between patients with and without ANCAs, the self-reactive antibodies that drive most AAV cases. That’s according to a study analyzing data from a registry of people with vasculitis, or…

Immune protein CX3CL1 may be biomarker of active MPA, GPA

High blood levels of the protein CX3CL1, a pro-inflammatory immune signal that appears to be associated with blood vessel inflammation, can accurately discriminate microscopic polyangiitis (MPA) and granulomatosis with polyangiitis (GPA) patients with active disease from those without, a study found. Importantly, high CX3CL1 levels were found to increase the…

ANCA antibodies against both PR3, MPO result in hybrid AAV features

People with ANCA-associated vasculitis (AAV) who are positive for antibodies against both myeloperoxidase (MPO) and proteinase 3 (PR3) show a combination of clinical characteristics from patients with each antibody type, according to a recent study in China. While double-positive patients are generally more similar to those with MPO-ANCAs, particularly…

Argenx to stop clinical development of efgartigimod for AAV

Argenx has decided not to go ahead with its development plans for efgartigimod as a potential treatment for ANCA-associated vasculitis (AAV) after the therapy failed to show beneficial effects in late-stage clinical trials of two other autoimmune diseases. Efgartigimod is approved in the U.S. in two formulations for…

Rituximab cuts recurrence risk in subglottic stenosis surgery: Study

Rituximab is superior to other immunosuppressive treatments at preventing post-surgery relapse in granulomatosis with polyangiitis (GPA) patients undergoing surgery to address subglottic stenosis, a common complication that causes airway narrowing. That’s according to a study that analyzed data from 25 GPA patients who were followed for more than…