A prospective cross-sectional study to characterize selected autoimmune (AI) markers and report the incidence of antithrombopoietin antibodies (aTPO) in patients with immune thrombocytopenic purpura (ITP)

There have been limited studies of large numbers of patients (pts) with ITP other than those describing platelet antibodies (AP). Contemporaneous data on the prevalence of| multiple AI markers and aTPO in ITP have not been reported. We are conducting a prospective cross-sectional study of pts 4yrs of age previously diagnosed with FTP. We excluded pts with HIV, hepatitis and other conditions causing thrombocytopenia. Pts are characterized with …