Do non-statin cholesterol-lowering drugs affect liver cancer risk?
Past studies have suggested that taking cholesterol-lowering statin drugs may lower individuals' risk of developing liver cancer. In a new study of non-statin cholesterol-lowering medications, one type was linked to lower risks of liver cancer. The findings are published by Wiley online in CANCER, a peer-reviewed journal of the American Cancer Society.
Cholesterol absorption inhibitors, bile acid sequestrants, fibrates, niacin, and omega-3 fatty acids are types of non-statin cholesterol-lowering medications prescribed to manage cholesterol and lipid levels. The different classes of drugs work in different ways. A team led by Katherine A. McGlynn, PhD, MPH, of the National Cancer Institute, looked for associations between these five types of non-statin cholesterol-lowering medications and risk of liver cancer, the sixth most commonly occurring cancer globally and the third leading cause of cancer mortality.
The investigators used information from the Clinical Practice Research Datalink (CPRD), a primary care database that covers approximately 7% of the United Kingdom population. Their analysis included 3,719 liver cancer cases and 14,876 matched controls without cancer. Additional matches were also made based on individuals’ type 2 diabetes and chronic liver disease status.
Use of cholesterol absorption inhibitors was associated with 31% lower odds of liver cancer risk in the overall analysis. These medications were also linked with a lower risk of liver cancer in analyses based on diabetes and liver disease status. The study also confirmed that statins were associated with 35% lower odds of liver cancer.
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