Abstract
Many different treatments may affect the serum lipid profiles of breast cancer patients. This study analyzed serum lipid levels at different periods during treatment to observe the changes in lipid profiles during and after chemotherapy and to compare the different effects of different chemotherapy regimens on serum lipid profiles. A total of 805 patients were included in this study. We measured the lipid profiles of patients who received surgery without chemotherapy prior to the operation and at 3, 6 and 12 months after operation. In addition, in patients who underwent chemotherapy, the lipid profiles were measured prior to chemotherapy, prior to the last cycle of chemotherapy and 6 months after chemotherapy. Lipid profile measurements included total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), homocysteine (HCY), and uric acid (UA). (Neo)Adjuvant chemotherapy exerted an adverse temporary effect on lipid levels (manifested as increased TG and LDL-C levels, and decreased HDL-C levels, particularly in the adjuvant chemotherapy group) during the chemotherapy periods. However, this influence was not sustained, as the lipid profiles levels were generally restored to baseline levels 6 months after chemotherapy completion. Different age groups showed different changes in lipid levels that were influenced by chemotherapy. The younger group (20–40 years old) showed a greater increase in TC and LDL-C levels during chemotherapy than the 41-65-year-old group. Chemotherapy exerts an adverse temporary effect, and the effects of different regimens on lipid levels are similar. Furthermore, lipid profiles in younger women may be more sensitive to chemotherapy.
Highlights
Breast cancer is the most common malignant tumor and one of the main causes of cancerrelated death in women[1,2,3]
At 6 months after chemotherapy completion, the high-density lipoprotein cholesterol (HDL-C) and HCY levels were restored to the baseline level, the total cholesterol (TC) and low-density lipoprotein cholesterol (LDL-C) level decreased to an even lower value than before chemotherapy, while the TG and uric acid (UA) levels were significantly higher than the baseline level
This study showed a significant increase in UA levels in 6 months after chemotherapy, while the levels were constant during chemotherapy, indicating a delayed elevation of UA after chemotherapy
Summary
Breast cancer is the most common malignant tumor and one of the main causes of cancerrelated death in women[1,2,3]. Changes in lipid profiles during and after (neo)adjuvant chemotherapy in women with early-stage breast cancer decision to publish, or preparation of the manuscript
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