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Lonely Breast Cancer Sufferers more likely to die than those with Busy Social Lives, says a recent study

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Cancer patient in hospital. Wikimedia
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New York,December 12, 2016: More socially isolated breast cancer survivors are at increased risk of a relapse — thereby increasing their risk of dying — while women with larger social networks experience better outcomes, new research has found.

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“It is well established that larger social networks predict lower overall mortality in healthy populations and in breast cancer patients, but associations with breast cancer-specific outcomes like recurrence and breast cancer mortality have been mixed,” said Candyce Kroenke from Kaiser Permanente Division of Research in Oakland, California.

“These findings, from a large pooled cohort of nearly 10,000 women with breast cancer, confirm the generally beneficial influence of women’s social ties on breast cancer recurrence and mortality; however, they also point to complexity, that not all social ties are beneficial, and not in all women,” Kroenke noted.

The researchers examined information on 9,267 women with breast cancer to see how patients’ social networks within approximately two years following their diagnosis might affect their survival.

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Over a median follow-up of 10.6 years, there were 1448 cancer recurrences and 1521 deaths (990 from breast cancer).

Compared with socially integrated women, socially isolated women had a 40 per cent higher risk of recurrence, a 60 per cent higher risk of dying from breast cancer, and a 70 per cent higher risk of dying from any cause.

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The study was published online in the journal CANCER. (IANS)

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Immunotherapy Drugs Show Significant Improvement Against Breast Cancer: Study

Side effects need a close look, both doctors said. Nearly all study participants had typical chemo side effects such as nausea or low blood cell counts.

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Breast Cancer
This undated fluorescence-colored microscope image made available by the National Institutes of Health in September 2016 shows a culture of human breast cancer cells. For the first time, one of the new immunotherapy drugs has shown promise against breast cancer in a large study that combined it with chemotherapy to treat an aggressive form of the disease. VOA

For the first time, one of the new immunotherapy drugs has shown promise against breast cancer in a large study that combined it with chemotherapy to treat an aggressive form of the disease. But the benefit for most women was small, raising questions about whether the treatment is worth its high cost and side effects.

Results were discussed Saturday at a cancer conference in Munich and published by the New England Journal of Medicine.

Drugs called checkpoint inhibitors have transformed treatment of many types of cancer by removing a chemical brake that keeps the immune system from killing tumor cells. Their discovery recently earned scientists a Nobel Prize. Until now, though, they haven’t proved valuable against breast cancer.

Breast Cancer
Weight loss may lower breast cancer risk for post-menopausal women. Pixabay

In the study

The new study tested one from Roche called Tecentriq plus chemo versus chemo alone in 902 women with advanced triple-negative breast cancer. About 15 percent of cases are this type, their growth is not fueled by the hormones estrogen or progesterone, or the gene that Herceptin targets, making them hard to treat.

Women in the study who received Tecentriq plus chemo went two months longer on average without their cancer worsening compared with those on chemo alone, a modest benefit. The combo did not significantly improve survival in an early look before long-term follow-up is complete.

Failed protein test

Previous studies found that immunotherapies work best in patients with high levels of a protein that the drugs target, and the plan for the breast cancer study called for analyzing how women fared according to that factor if Tecentriq improved survival overall.

breast cancer
FILE – A patient receives chemotherapy treatment for breast cancer at the Antoine-Lacassagne Cancer Center in Nice, July 26, 2012. VOA

The drug failed that test, but researchers still looked at protein-level results and saw encouraging signs. Women with high levels who received the combo treatment lived roughly 25 months on average versus about 15 months for women given chemo alone.

That’s a big difference, but it will take more time to see if there’s a reliable way to predict benefit, said Dr. Jennifer Litton of the MD Anderson Cancer Center in Houston. She had no role in running the study but enrolled some patients in it and oversees 14 others testing immunotherapies.

“We’re really hopeful that we can identify a group of women who can get a much bigger and longer response,” she said.

Another breast cancer specialist with no role in the study, Dr. Michael Hassett at Dana-Farber Cancer Institute in Boston, said he felt “cautious excitement” that immunotherapy may prove helpful for certain breast cancer patients.

Breast Cancer
Breast cancer cell, Wikimedia Commons

Side effects and cost

Side effects need a close look, both doctors said. Nearly all study participants had typical chemo side effects such as nausea or low blood cell counts, but serious ones were more common with the combo treatment and twice as many women on it stopped treatment for that reason.

Three of the six deaths from side effects in the combo group were blamed on the treatment itself; only one of three such deaths in the chemo group was.

Also Read: New DNA Tool To Predict People’s Height And Risk For Cancer

Cost is another concern. Tecentriq is $12,500 a month. The chemo in this study was Celgene’s Abraxane, which costs about $3,000 per dose plus doctor fees for the IV treatments. Older chemo drugs cost less but require patients to use a steroid to prevent allergic reactions that might interfere with the immunotherapy. Abraxane was chosen because it avoids the need for a steroid, said one study leader, Dr. Sylvia Adams of NYU Langone Health.

The study was sponsored by Roche and many study leaders consult or work for the company or own stock in it. (VOA)