The present invention relates to a CD20 binding antibody which is capable of depleting B cells, and a BLyS binding antibody which is capable of antagonizing BLyS, as a combination for use in the treatment of an autoimmune disorder. The invention also relates to dosages, duration of treatment and time lapses between administration of the CD20 binding antibody which is capable of depleting B cells, and the BLyS binding antibody which is capable of antagonizing BLyS.
