VEXAS syndrome
MONDO:0026777An adult-onset inflammatory disease that affects only males and is caused by somatic, not germline, mutations. The disorder is characterized by adult onset of rheumatologic symptoms at a mean age of 64 years. Features include recurrent fevers, pulmonary and dermatologic inflammatory manifestations, vasculitis, deep vein thrombosis, arthralgias, and ear and nose chondritis. Laboratory studies indicate hematologic abnormalities, including macrocytic anemia, as well as increased levels of acute-phase reactants; about half of patients have positive autoantibodies. Bone marrow biopsy shows degenerative vacuolization restricted to myeloid and erythroid precursor cells, as well as variable hematopoietic dyspoiesis and dysplasias. The condition does not respond to rheumatologic medications and the features may result in premature death.
Also known as: VEXAS, VEXAS syndrome, somatic, vacuoles, E1 enzyme, X-linked, autoinflammatory, somatic syndrome
27 clinical trials for this condition and its sub-types, 18 tagged with VEXAS syndrome itself.
Follow this condition to get notified about new trialsWhere it sits in the disease tree
Browse by category →-
New hope for rare inflammatory disease: pacritinib trial begins
Disease control OngoingThis study tests a drug called pacritinib for people with VEXAS syndrome, a rare genetic disease that causes severe inflammation. About 78 adults will receive either the drug or a placebo to see if it controls symptoms and reduces flare-ups. The goal is to find a safe and effecti…
Phase 2 • Sponsor: Swedish Orphan Biovitrum • Aim: Disease control
Last updated Sep 17, 2026 00:00 UTC
-
Scientists unravel genetic secrets of bone marrow failure
Knowledge-focused By invitation onlyThis study aims to understand the genetic and molecular changes in people with bone marrow failure disorders. Researchers will analyze blood and bone marrow samples from up to 1,400 participants to track how these changes evolve over time. The goal is to better predict disease ou…
Sponsor: National Heart, Lung, and Blood Institute (NHLBI) • Aim: Knowledge-focused
Last updated Jun 27, 2026 08:05 UTC