Study protocol for a randomised, phase II, double-blind, experimental medicine study of obinutuzumab versus rituximab in ANCA-associated vasculitis: ObiVas - Dominic Paul McGovern; Mark E McClure; Matthew Coates; Simon Bond; Marcos Martinez Del Pero; Kim Mynard; Jacinta Lee; Rona M Smith; David R Jayne; Menna Ruth Clatworthy; Rachel B Jones (BMJ Open, 2024)