Tidligere behandlinger inkluderede kortikosteroider (98% af alle patienter), immunglobuliner (97%), rituximab (71%), danazol (37%), cytotoksiske behandlinger
Prior treatments included corticosteroids (98% of all patients), immunoglobulins (97%), rituximab (71%), danazol (37%), cytotoxic therapies (68%), and azathioprine (24%).