Tidligere behandlinger inkluderede kortikosteroider (90% af alle patienter), immunglobuliner (76%), rituximab (29%), cytotoksiske behandlinger (21%), danazol (11%) og azathioprin (5%).
Prior treatments included corticosteroids (90% of all patients), immunoglobulins (76%), rituximab (29%), cytotoxic therapies (21%), danazol (11%), and azathioprine (5%).