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Barcelona, Spain – 28 Aug 2017: A 14 year study in more than one million people has found that women with high cholesterol have significantly lower rates of breast cancer and improved mortality. The research, presented today at ESC Congress, suggests that statins are associated with lower rates of breast cancer and subsequent mortality. (1)“This is the most conclusive and direct evidence as yet to confirm the link between high cholesterol and breast cancer, a topic that has been fascinating researchers for the past few years,” said Dr Rahul Potluri, senior author and founder of the ACALM Study Unit at Aston Medical School, Aston University, Birmingham, UK.“We previously found an association between having high cholesterol and developing breast cancer so we designed this study to follow up patients longitudinally and address the relationship more robustly,” he continued. “Showing that patients with high cholesterol have a lower risk of developing breast cancer and subsequent mortality in a longitudinal study like this provides the strongest evidence for a protective effect, which is likely related to statins.”The current study followed-up women aged 40 or more with, and without, a diagnosis of high cholesterol and compared the development of breast cancer and subsequent mortality rates in the two groups. Patients admitted to UK hospitals with high cholesterol between 1 January 2000 and 31 March 2013 were recruited from the Algorithm for Comorbidities, Associations, Length of stay and Mortality (ACALM) clinical database. They were followed-up until 2013 for a new diagnosis of breast cancer and subsequent mortality obtained from the Office for National Statistics. Analyses were performed to adjust for demographic and clinical characteristics between the groups. Out of a total of 1 220 024 patients in the ACALM study, there were 16 043 women with high cholesterol aged 40 or over who were compared to an equivalently sized and age-matched group of patients without high cholesterol.The researchers found that those with high cholesterol were 45% less likely to develop breast cancer than those without high cholesterol. After adjusting for factors which might influence mortality, including age, sex, ethnicity, and the ten most common causes of death in the UK, the researchers found that patients who developed breast cancer were 40% less likely to die if they had high cholesterol than if they did not.Dr Potluri said: “Compared to those without high cholesterol, patients with high cholesterol had a 45% reduced risk of breast cancer, and if they did develop breast cancer, a 40% reduced chance of death. If a diagnosis of high cholesterol leads to lower breast cancer rates this must either relate to something inherent in the condition or affected patients, or more likely, to treatment with widely used cholesterol lowering interventions such as statins.”Dr Paul Carter, lead author of this study and researcher at the ACALM Study Unit, said: “Our research confirms that women with a diagnosis of high cholesterol have strikingly lower rates of breast cancer with improved death rates and survival. Building on previous research by us and other groups, including animal studies in which statins reduced the risk of breast cancer, this gives a strong indication that statins produce this protective effect in breast cancer.”“Statins have some of the best mortality evidence amongst all cardiovascular medications and their use in patients with a diagnosis of high cholesterol is likely the reason this diagnosis appears to be protective against the development of breast cancer and subsequent mortality," continued Dr Carter. He added: “The results of this study provide the strongest justification to date for a clinical trial evaluating the protective effect of statins in patients with breast cancer, and this is what we intend to do.”Dr Carter concluded: “Patients with breast cancer who have high cholesterol, people at high risk of cardiovascular disease, and those with established cardiovascular disease should be given statins according to current guidelines. I don’t think at the moment we can give statins to prevent or reduce mortality from breast cancer per se. But a positive result in a clinical trial could change this and it is an exciting and rapidly progressing field.”ENDS
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References and notes(1) The abstract “Patients with a diagnosis of hyperlipidaemia have a reduced risk of developing breast cancer and lower mortality rates: a large retrospective longitudinal cohort study from the UK ACALM registry” will be presented during:· The session Lipid lowering therapy in primary cardiovascular prevention on Monday 28 August from 11:00 to 12:30 in Picasso – The Hub.ESC Press OfficeFor more information, please contact the ESC Press Office: email@example.com.For press enquiries, independent comment on-site, please contact, the Media & Press Coordinator Jacques Olivier COSTA: +34 666 509 856The press conference timetable is available here.
To access all the scientific resources from the sessions during the congress, visit ESC Congress 365. About the European Society of CardiologyThe European Society of Cardiology brings together health care professionals from more than 140 countries, working to advance cardiovascular medicine and help people lead longer, healthier lives.About ESC Congress 2017ESC Congress is the world’s largest and most influential cardiovascular event contributing to global awareness of the latest clinical trials and breakthrough discoveries. ESC Congress 2017 takes place 26 to 30 August at the Fira Gran Via in Barcelona, Spain. The scientific programme is here. More information is available from the ESC Press Office at firstname.lastname@example.org.This press release accompanies a presentation at the ESC Congress 2017. Edited by the ESC from material supplied by the investigators themselves, this press release does not necessarily reflect the opinion of the European Society of Cardiology. The content of the press release has been approved by the presenter.
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