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Many US women get wrong radiation for breast cancer: study

The findings in the Journal of the American Medical Association (JAMA) showed that most women get six to seven weeks of radiation therapy, despite new guidelines issued after multiple randomized trials showing that three weeks of a stronger type of radiation — called hypofractionated whole breast radiation — costs less and works just as well after breast-conserving surgery.

Hypofractionated radiation involves higher doses of radiation delivered over the course of three to four weeks, instead of the traditional treatment of lower dose radiation for five to seven weeks.

“Hypofractionated radiation is high-value care and high-quality breast cancer treatment that saves the health care system money,” said senior author Ezekiel Emanuel, chairman of Penn’s Department of Medical Ethics and Health Policy and a breast oncologist.

“It’s a win-win. And yet, only a third or fewer women are getting it in the US, while in other countries over 70 percent of women receive hypofractionated treatment.”

Four randomized trials and 2011 practice guidelines from the American Society for Radiation Oncology (ASTRO) support the shorter duration treatment.

The use of hypofractionated therapy is on the rise in the United States. The JAMA study found that 34.5 percent of women over 50 years old received it in 2013, up from 10.6 percent in 2008.

In younger women and those with more advanced cancers, 21.1 percent of women received hypofractionated therapy last year, up from 8.1 percent in 2008.

However, the United States still lags far behind Canada and Britain, where more than seven in 10 early breast cancer patients get shorter radiation treatments.

The problem in the United States comes down to a lack of financial incentive for shorter, more effective care, said Emanuel.

“The current payment structure is the biggest hurdle — there is no financial incentive to recommend shorter duration treatment,” he said.

“We need to properly align payment with health care quality in order to reduce low-value cancer care.” -AFP



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