Family History Of Breast Cancer Doesn't Affect Chance Of Successful Treatment For Women With Disease, Study Finds

Why Family History Of Breast Cancer Doesn't Affect Treatment
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Women who have been diagnosed with breast cancer do not have a reduced chance of successful treatment if they have a family history of the disease, according to a new study.

Researchers from the University of Southampton and University Hospital Southampton Foundation Trust examined the cases of 2,850 women under the age of 41 who were diagnosed with breast cancer and treated in the UK.

The Prospective Outcomes in Sporadic versus Hereditary breast cancer (POSH) study found that there were no significant differences in cancer recurrence rates after treatment for women with a history of breast cancer in their family compared with those without.

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Ramsey Cutress, an associate professor in breast surgery, said: "Successful treatment for breast cancer is just as likely in young patients with a family history of breast cancer, as in those without a family history.

"Patients with a family history of breast cancer can therefore be reassured that their family history alone does not mean that their outcome will be worse."

The researchers now plan to investigate whether certain breast cancer gene variants have any impact on the effectiveness of different anti-cancer treatments.

Principal investigator Professor Diana Eccles said: "There is some evidence in laboratory experiments and observations in humans that BRCA1 gene carriers in particular may be more sensitive to certain types of chemotherapy.

"If the outlook is more optimistic than might be expected for these patients, this will help in planning future preventive surgical options at the time of breast cancer treatment."

Commenting on the study, Samia al Qadhi, chief executive at Breast Cancer Care, said: "Many younger women with breast cancer are terrified about it coming back, especially when they have seen other family members face the disease.

"This crucial study now gives clear evidence confirming that, rather than a family history, it is the type and stage of the breast cancer and the treatments given which are the biggest factors influencing each person's survival.

"It's also important to remember that spotting the signs early is vital - diagnosing breast cancer as soon as possible can lead to simpler and more effective treatment."

Anyone concerned about breast cancer and risk can call Breast Cancer Care on 0808 800 6000.

The study published in the BJS (British Journal of Surgery) was funded by Cancer Research UK.

Breast Cancer Signs And Treatment
What Are The Symptoms?(01 of10)
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"A new painless, firm breast lump with irregular margins is a potential symptom of breast cancer," says Dr. Sandhya Pruthi, a breast cancer researcher at the Mayo Clinic. "The cancer diagnosis is confirmed following a biopsy of the lump." She notes that usually, women who are newly diagnosed with breast cancer are healthy and don't feel sick at all. (credit:LarsZahnerPhotography via Getty Images)
Other Symptoms(02 of10)
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Another potential symptom/sign of breast cancer, Pruthi notes, is a new onset of persistent redness on the skin overtop the breast with an orange peel appearance. This would also need a biopsy to confirm a diagnosis of breast cancer. (credit:Image Source via Getty Images)
Metastatic Cancer Symptoms(03 of10)
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"If the cancer is very advanced (metastatic) then the symptoms may also include weight loss, bone pain, headaches, nausea and persistent cough," Pruthi says. (credit:pamela burley via Getty Images)
What Are The Risk Factors?(04 of10)
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Some commonly associated risk factors, Pruthi says, are menstruation before age 11, menstruation after age 54, a first pregnancy after age 35 and a family history of relatives diagnosed with breast or ovarian cancer. (credit:AP Photo/M. Spencer Green)
Are There Any Lifestyle Risk Factors?(05 of10)
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"There is evidence in the literature that obesity after menopause, lack of regular exercise, consuming greater than more or more alcoholic beverages daily, and a high fat diet can all be associated with a higher breast cancer risk," Pruthi notes. But, she points out, "women need to know that any woman can get breast cancer even in the absence of any of these risk factors." (credit:Adrian Samson via Getty Images)
Can I Eat Anything To Prevent It?(06 of10)
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There are no specific types of diets, Pruthi says, but rather women are encouraged to eat fruits, vegetables, fibre, and minimize their alcohol and fat intake, as well as get regular exercise. (credit:lola1960 via Getty Images)
How Do Doctors Determine Treatment?(07 of10)
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"The most current treatment of breast cancer has taken on a individualized approach and is dependent on the biology or aggressive features of the breast cancer," Pruthi explains. "Breast cancer is a heterogeneous disease and this means that are many sub-types and different degrees of aggressiveness. So staging, which typically takes into account common prognostic features such as tumour size and if lymph nodes are involved, are no longer the only factors doctors use to determine treatment options." (credit:Christopher Futcher via Getty Images)
So What Do They Look At?(08 of10)
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"Today the biology of the tumour is also characterized by molecular markers (also known as predictive markers) such as if the estrogen or progesterone receptor is positive or negative and if the HER 2 protein is positive or negative," she says. "This helps decide who will benefit from a specific chemotherapy regimen, hormonal medications known as antiestrogens or who may need both chemotherapy and hormonal treatment." (credit:BluePlanetEarth via Getty Images)
What About Preventative Mastectomies?(09 of10)
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"Preventive mastectomy is an option for women at very high risk for developing breast cancer because they are BRCA 1 or 2 gene positive or if someone has hereditary predisposition to getting breast cancer but chooses not to have the genetic testing done," Pruthi says. "It is prudent that women who are considering this surgery know their family history in detail. Based on the moderate or strong family history, your doctor would recommend you meet with a genetic counselor to go over the family pedigree and help decide who should test for the breast cancer gene, when to test and how to interpret the genetic test results before proceeding with this preventive surgery." (credit:Jesús Jaime Mota via Getty Images)
Are Other Preventative Treatments Available?(10 of10)
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"High risk women who have had precancerous breast biopsies or strong family history may also be eligible to take preventive medications such as tamoxifen, raloxifene or exemestane to reduce breast cancer risk," Pruthi adds. (credit:art-4-art via Getty Images)