RecruitingPhase 1Drug trialDose Dense Rituximab for High Risk Newly Diagnosed Acute Immune Thrombocytopenic PurpuraThe purpose of this study is to determine if a dose dense administration of Rituximab in newly diagnosed acute immune thrombocytopenic purpura (ITP) and determine relapse rate following this treatment. Correlative studies will be performed as outlined in the appendices. Quality of Life will be measured using the KIT as outlined in the protocol.