Immunoadsorption Therapy in Managing NMDAR Antibodies Encephalitis

10 IA sessions performed in 28 days maximum, using TherasorbTM adsorbers which contain sheep derived polyvalent antihuman-immunoglobulin coupled to SepharoseTM CL-4B.

"Concomitantly, Rituximab will be given each week for 4 weeks (one injection by week +/- 3 days):~* at least 1 day before each IA session~* the last injection will occur after the last session IA (minimum one day after)"