PRagmatic Analysis of Vitamin D in ANCA-Associated Vasculitis
PRagmatic Analysis of Vitamin D in ANCA-Associated Vasculitis
NCT ID: NCT04280601 Phase: NA Status: COMPLETED Enrollment: 102 Completion: 2023-03-01
Conditions
ANCA-associated Vasculitis, Granulomatosis With Polyangiitis, Microscopic Polyangiitis, Eosinophilic Granulomatosis With Polyangiitis
Interventions
vitamin D
Summary
This prospective study will assess if 12 months of vitamin D3 (cholecalciferol) supplementation, in patients with AAV (GPA, MPA, and EGPA) who have deficient or insufficient 25(OH)D3 status at enrollment, correlates with improved disease activity and/or lower frequency of relapse (compared to historical data and a previously conducted cross sectional study (part I) that assessed vitamin D status in a cohort of similar patients).
Primary Outcome
Disease activity and disease relapse (using BVAS)