Learn how you can help us develop a tool for determining the efficacy of treatments for patients with vasculitis! We are developing a research questionnaire as part of a larger project to develop response criteria for ANCA-associated vasculitis (AAV) for use in clinical studies / trials. We are looking for volunteers with granulomatosis with polyangiitis (GPA, formerly called Wegener’s) or microscopic polyangiitis (MPA) to complete this survey.