Factors Affecting Course and Outcome of Chronic Lymphocytic Leukemia: Data from Hematological Hospitals of Krasnoyarsk Region

Background & Aims. B-cellular chronic lymphocytic leukemia (CLL) is a disease with heterogeneous clinical manifestations and biological characteristics. The age of 70 % of patients is more than 65 years by the date of the diagnosis; most of them have several comorbidities. The aim of the study is to identify factors affecting the survival, as well as to determine causes of mortality in CLL patients (according to data from hematological hospitals of Krasnoyarsk Region). Methods. In order to identify the most significant factors affecting the course and the outcome of CLL, a retrospective analysis of data on patients who died in hematological hospitals was carried out. 45 cases with the lethal outcome were registered within six years. All patients were under hematologist’s supervision after diagnosing the disease, and they were followed throughout the treatment period up to the lethal outcome. Results. Тhe overall and progression-free survival depended, first of all, on the type of the first line therapy and its efficacy. The progression of the underlying disease and infectious complications became the main reason of the lethal outcome in CLL patients. Conclusion. Most patients received ineffective treatment as first line therapy. The analysis of the comorbidities showed that a more effective chemotherapy could be performed with achievement of longer complete remissions