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New research shows statins, a drug commonly prescribed to lower cholesterol and reduce the risk of heart disease and stroke, may also protect the heart from damaging side-effects of early breast cancer treatment.The study by UHN's Peter Munk Cardiac Centre (PMCC) was published in the Journal of the American Heart Association.The observational study found women already taking statins and treated with either anthracyclines or trastuzumab were half as likely to be hospitalised or visit an emergency department for heart failure within five years after chemotherapy."Our job is to protect the heart and ensure it has the greatest fighting chance to get through chemotherapy," says Dr Husam Abdel-Qadir, lead author of the paper and a cardiologist at the PMCC and Women's College Hospital."Our study focused on women across Ontario. We went beyond just a number indicating a weaker heart - we focused on heart failure severe enough for women to come to an Emergency Department or be hospitalised."Anthracyclines and trastuzumab are effective therapies for many women with breast cancer. However, increased risk of cardiotoxicity has limited their use, and damage can be severe enough to lead to heart failure.Using several health databases in Ontario, researchers reviewed the occurrence of heart failure in women aged 66 and older who received trastuzumab or anthracyclines for newly diagnosed early breast cancer between 2007 and 2017.In the 666 pairs of women treated with anthracyclines, those taking statins were 55 per cent less likely to be treated at the hospital for heart failure. In the 390 pairs of women treated with trastuzumab, those taking statins were 54 per cent less likely, which suggested a protective trend but did not meet statistical significance.In addition to lowering cholesterol, statins may also protect the body against the effects of oxidative stress. If statins can stop this imbalance, they may decrease the likelihood the heart sustains damage due to cancer treatment."In order to know whether it's a true cause and effect relationship, we need to do a proper randomized control trial," says Dr Abdel-Qadir, who is also part of the Ted Rogers Centre for Heart Research (TRCHR) Cardiotoxicity Prevention Program."For the time being, if a woman is supposed to be starting treatment for breast cancer and already has an established indication to be on a statin, there's now additional motivation to start it or stay on it."As for next steps, Dr Dinesh Thavendiranathan, cardiologist at the PMCC, lead of the TRCHR Cardiotoxicity Prevention Program and senior author on the study is currently recruiting for the SPARE-HF randomized control trial, which will assess whether pre-treatment with statins before anthracycline-chemotherapy can prevent cardiotoxicity in high-risk patients."It's part of the larger principles we try and apply within the TRCHR Cardiotoxicity Program, which is ideally you shouldn't change the cancer treatment, you let the oncologist pick the best treatment for the patient," says Dr. Abdel-Qadir."We try to reduce the risks that come with it. Our vision is that patients should be able to get the best cancer treatment while reducing concerns for the heart as much as possible."( With inputs from ANI )Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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