ADMINISTRATION OF ANTI-CD3 ANTIBODIES IN THE TREATMENT OF AUTOIMMUNE DISEASES Abstract A method of treating an autoimmune disease, such as, diabetes or psoriasis, by administering an anti-CD3 antibody, or anti-CD3 antibody fragment. The anti-CD3 antibody, or anti-CD3 antibody fragment, is administered over a course of treatment wherein, during the course of treatment, the anti-CD3 antibody, or anti-CD3 antibody fragment is administered in a total amount which does not exceed 300pg/kg when administered intravenously or, when administered other than intravenously, is administered in a total amount that does not exceed a total amount bioequivalent to 300ptg/kg of intravenous administration thereof.