HOME THERAPY AREAS Compassionate use of Avacopan in difficult-to-treat ANCA-associated vasculitis 30 June 2022 Nephrology and Rare Diseases ANCA-associated vasculitis Report of the clinical experience with avacopan in difficult-to-treat ANCA-associated vasculitis (AAV) patients in the setting of a compassionate use program. View article THERE IS MORE HERE Specialist information is located in this area. In order to be able to see this, you must verify yourself as a healthcare professional. ?