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Updated: Apr 4, 2026
Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
Published on: November 26, 2018
A link between hypercholesterolemia and chronic lymphocytic leukemia
Signy Chow1,2, Rena Buckstein1,2, David E Spaner1,2,3
1a Odette Cancer Centre and Sunnybrook Health Sciences Centre , Toronto , ON , Canada .
Insights
High cholesterol (hypercholesterolemia) is common in Chronic Lymphocytic Leukemia (CLL) patients. Cholesterol-lowering statins may potentially improve the clinical course of CLL.
Area of Science:
- Hematology
- Oncology
- Cardiovascular Research
Background:
- Hypercholesterolemia is a prevalent condition.
- Chronic Lymphocytic Leukemia (CLL) is a common B-cell malignancy.
Purpose of the Study:
- To determine the incidence of hypercholesterolemia in CLL patients.
- To investigate the relationship between hypercholesterolemia and the clinical course of CLL.
Main Methods:
- Retrospective review of 231 CLL patient records from a specialized clinic.
- Assessment of hypercholesterolemia based on statin use and low-density lipoprotein (LDL) cholesterol levels.
- Analysis of time to first treatment (TFT) in relation to cholesterol management.
Main Results:
- Elevated cholesterol was identified in 75% of patients (174/231).
- Among patients without 17p deletions, those on statins had a significantly prolonged TFT (57.5 months vs. 36 months, p < 0.02).
- Statin use initiated after CLL diagnosis was associated with a longer TFT compared to pre-diagnosis use.
Conclusions:
- Hypercholesterolemia is highly prevalent in the CLL population.
- Cholesterol-lowering therapy with statins may be associated with a more favorable clinical course in CLL patients.
- Further research is warranted to confirm the impact of cholesterol management on CLL progression.
Abstract:
The incidence of hypercholesterolemia and its possible relationship with clinical course were determined by reviewing the records of 231 consecutive patients presenting to a specialized Chronic Lymphocytic Leukemia (CLL) clinic. Evidence for elevated cholesterol was found in up to 174/231 patients (75%) based on existing use of statins (107 patients) or non-fasting low-density lipoprotein cholesterol levels greater than 2.5 mM. Excluding patients with 17p deletions, time to first treatment (TFT) was prolonged if patients were taking cholesterol-lowering statins (57.5 (IQR = 32, 77) vs 36 (IQR = 11, 100) months, p < 0.02). If patients were prescribed statins after being diagnosed with CLL, TFT was longer than if they were taking statins before the diagnosis. These observations suggest there is a high incidence of hypercholesterolemia in CLL patients and cholesterol-lowering may impact the disease course.
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