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Updated: Feb 3, 2026

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
Published on: November 26, 2018
[Significance of comorbidity for patients with chronic lymphocytic leukemia]
E I Emelina1, G E Gendlin1, I G Nikitin1
1Federal State Budgetary Educational Institution of Higher Education, "Pirogov Russian National Research Medical University" of the Ministry of Health of the Russian Federation.
Insights
Comorbidities significantly impact chronic lymphocytic leukemia (CLL) patient outcomes. Effective management requires a multidisciplinary approach involving various specialists collaborating with oncohematologists.
Area of Science:
- Hematology
- Oncology
- Internal Medicine
Background:
- Chronic lymphocytic leukemia (CLL) is an incurable hematologic malignancy.
- Patient age, comorbidity burden, and severity dictate therapeutic strategies in CLL.
- Understanding comorbidity patterns is crucial for optimizing CLL patient care.
Purpose of the Study:
- To assess the prevalence of comorbidity and polymorbidity in CLL patients.
- To investigate the relationship between concurrent diseases and treatment side effects in CLL.
- To identify prognostic factors related to comorbidities in CLL.
Main Methods:
- Retrospective analysis of CLL patient records from a national registry (n=1361).
- Prospective evaluation and follow-up of 124 CLL patients undergoing treatment.
- Statistical analysis to compare retrospective and prospective data and identify prognostic indicators.
Main Results:
- The average age of newly diagnosed CLL patients in Russia has increased, potentially altering comorbidity profiles.
- Concurrent disease diagnoses are often recorded superficially, impacting accurate assessment.
- The presence of three or more comorbidities (p3) indicated a poorer prognosis for CLL patients.
Conclusions:
- Managing comorbidities in CLL necessitates collaboration among various medical specialists and oncohematologists.
- Integrated care models are essential for addressing the complex health needs of CLL patients.
- Further research is needed to refine diagnostic and treatment protocols for comorbidities in CLL.
Background:
Chronic lymphocytic leukemia (CLL) remains an uncurable disease, in which the age, number and severity of comorbidities primarily determine the choice of therapeutic tactics and objectives.
Aim:
To evaluate actual comorbidity and polymorbidity in patients with CLL and a possible relationship between the diseases and comorbidities that are considered concurrent and side effects of the administered treatment.
Materials And Methods:
The study consisted of two parts. In a retrospective study, we analyzed records of patients with CLL from the Registry for Diagnostics and Treatment of Lymphoproliferative Diseases. In addition, we thoroughly evaluated and prospectively followed up 124 patients in the course of their preparation to a new stage of CLL tratement.
Results:
Examining data from the Russian Registry for Diagnostics and Treatment of Lymphoproliferative Diseases (n=1361) showed that in Russia, the age of patients with newly diagnosed CLL has increased in the recent decade with the increase in life span, which might change the comorbidity structure. Comparing retrospective and our own data (n=124) showed that diagnoses of concurrent diseases are often recorded formally (p3 suggested a poor prognosis for patients with CLL.
Conclusion:
Diagnosis and treatment of comorbidities in patients with CLL require participation of different medical specialists working in a close contact with oncohematologists.
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