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Consistent use of statins linked to reduced risk of cancer death | Research briefing


Woman opening statin blister pack

Source: Science Photo Library

Jia-Li Feng, co-author of the study, said that statins “could be repurposed as adjuvant therapy” if the relationship between cholesterol-lowering medicines and cancer mortality is confirmed

Women who take cholesterol-lowering medicines, who are subsequently diagnosed with breast cancer, colorectal cancer or melanoma, are less likely to die from their cancer if they adhere to their cholesterol medicines, research published in the British Journal of Clinical Pharmacology has suggested (20 October 2020)[1].

Researchers used data from the Australian Cancer Database, linked to the Pharmaceutical Benefits Scheme database and the National Death Index, and calculated medicines adherence by proportion of days covered.

The study included 20,046 women with breast cancer, 11,719 women with colorectal cancer and 6,430 women with melanoma, who were diagnosed between 2003 and 2013.

The researchers calculated that for each 10% increase in 1‐year adherence to cholesterol-lowering medicines, cancer‐specific mortality was reduced.

For women with breast cancer, the fully adjusted hazard ratio was 0.92 (95% confidence interval [CI] 0.91–0.93); for colorectal cancer, it was 0.92 (95% CI 0.91–0.93); and for melanoma, it was 0.97 (95% CI 0.94–1.00). The associations were more pronounced for women who adhered to lipophilic (e.g. atorvastatin, simvastatin, fluvastatin) rather than hydrophilic (e.g. rosuvastatin and pravastatin) statins.

“If this inverse adherence-response relationship is confirmed, cholesterol-lowering medications — primarily statins — could be repurposed as adjuvant therapy to improve cancer prognosis,” said co-author Jia-Li Feng, of the QIMR Berghofer Medical Research Institute in Brisbane, Australia.

Citation: The Pharmaceutical Journal
DOI: 10.1211/PJ.2020.20208635


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