Long-term Outcomes in Patients with Chronic Lymphocytic Leukemia Treated with Standard Therapy

Abstract

The purpose of this study was to report the therapeutic results obtained from prospective protocols at the Hematology Service of our hospital, over the course of this century, before new drugs were used. All patients underwent chemotherapy (only one recent group also received rituximab).All LCL patients taken care of at the Hematology Service of the National Medical Center (CMN) "20 de Noviembre", ISSSTE. Patients included in this study were diagnosed with LCL and met the following criteria: persistent lymphocytosis above 5 × 109/L, for more than three months; typical lymphocytic morphology, with less than 10% of immature forms; immunophenotype of B strain with CD5, CD19, CD 79a, CD 20, CD22, CD23, CD24, CD25 + low-intensity SmIg; 30%+ lymph cells in the bone marrow.