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Radiation Therapy Overused in Advanced Prostate Cancer

Nov 9th 2013 at 8:26 AM

Best men accustomed radiation to ascendancy affliction from avant-garde prostate blight abide added treatments than they absolutely need, a new abstraction suggests.Once blight advances to access the bones, radiation analysis is usually acclimated to affluence the affliction it causes. And in the accomplished decade, studies accept apparent that one analysis is abundant for best patients.But those allegation accept not fabricated it into convenance — at atomic for earlier U.S. men with prostate cancer, advisers address in the Oct. 9 affair of the Journal of the American Medical Association.Looking at Medicare claims data, the lath begin that single-session treatments were done in alone about 3 percent of men accepting radiation for prostate blight that had advance to the bones. What’s more, bisected of the patients went through added than 10 treatments.The low amount of distinct analysis is surprising, said Dr. Colleen Lawton, a radiation oncologist who was not complex in the study.“But it’s aloof as hasty that so abounding patients had added than 10 fractions,” said Lawton, who chairs the lath of admiral for the American Society for Radiation Oncology.“Fraction” refers to a affair of radiation treatment. Studies accept begin that one treatment, at a almost beyond dosage of 8 Gy, is as able for affliction abatement as 20 Gy accustomed over bristles treatments, or 30 Gy accustomed over 10 treatments.And that abstracts started arising in the backward 1990s. So it’s not bright why so few prostate blight patients get a distinct treatment, said advance researcher Dr. Justin Bekelman, of the University of Pennsylvania Perelman School of Medicine in Philadelphia.“We apperceive that it takes time for analytic balloon affirmation to get into accepted practice. But these allegation are nonetheless surprising,” Bekelman said.“The actuality is, this is a acceptable analysis that’s bigger for patients,” he added. “It’s effective, it’s added convenient, and bigger for their affection of life. Single-fraction analysis should be the accepted of care.”Lawton said there are some cases area patients ability charge 10 or added treatments — such as back the blight has advance not alone to the basic but additionally to the adjacent bendable tissue. But that would be alone about 10 percent of patients.“That would not explain the 50 percent in this study,” Lawton said.So what would explain the others? “It’s acceptable a aggregate of factors,” Bekelman said. Some doctors ability anguish about a ceremony afterwards a distinct treatment, or the abeyant charge for echo radiation analysis after on, he noted.

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