Groundbreaking Study On Brain Cancer Treatment Reveals Negative Effects Of Radiosurgery On Memory, Speech And Thinking Skills Outweigh The Benefits

Cancer that spreads to the brain is usually treated with radiosurgery — highly focused radiation with a tool such as the Gamma Knife

  • That is followed by less intense radiation to the whole brain

  • Latter treatment can cause hair loss, dry mouth, fatigue and thinking problems

  • A study looked at 213 patients with one to three tumors in the brain to see whether the risks of whole brain radiation were worth its help in controlling cancer

  • Half of the patients had the usual radiosurgery and the rest had that followed by whole brain radiation

  • Three months later, 92 percent of patients who got both treatments had cognitive decline versus 64 percent of those given just radiosurgery

  • By Associated Press

    Published: 13:38 EDT, 31 May 2015 | Updated: 07:21 EDT, 1 June 2015

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    A major study could change care for many of the hundreds of thousands of people each year who have cancer that spreads to the brain from other sites. Contrary to conventional wisdom, radiation therapy to the whole brain did not improve survival, and it harmed memory, speech and thinking skills, doctors found.

    'This is the classic question: Which is worse, the disease or the treatment?' said one study leader, Dr. Jan Buckner of the Mayo Clinic. Radiation helped control the cancer, 'but at the cost of cognitive decline.'

    For patients, the study is not necessarily the bad news it may seem. It shows that in this case, quality of life is better with less treatment, and many people can be spared the expense and side effects of futile care.

    It was one of three studies discussed Sunday at an American Society of Clinical Oncology conference in Chicago that question longstanding ways that patients are treated. A study found that removing lymph nodes when oral cancers are first diagnosed — not routinely done now — dramatically improves survival. Another found the opposite was true for people with the skin cancer melanoma that had spread to a few lymph nodes.

    A major study could change care for many of the hundreds of thousands of people each year who have cancer that spreads to the brain from other sites (file photograph depicting brain cancer) 

    A major study could change care for many of the hundreds of thousands of people each year who have cancer that spreads to the brain from other sites (file photograph depicting brain cancer) 

    The first study affects the most patients by far. An estimated 400,000 patients in the United States alone each year have cancer that spreads to the brain, usually from the lungs, breast or other sites.

    That is different from tumors that start in the brain, like the one that just killed Joseph R. 'Beau' Biden III, the vice president's son.

    Cancer that spreads to the brain is usually treated with radiosurgery — highly focused radiation with a tool such as the Gamma Knife, followed by less intense radiation to the whole brain. The latter treatment can cause hair loss, dry mouth, fatigue and thinking problems.

    Dr. Paul Brown of the University of Texas MD Anderson Cancer in Houston led a study of 213 patients with one to three tumors in the brain to see whether the risks of whole brain radiation were worth its help in controlling cancer.

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    Source : https://www.dailymail.co.uk/news/article-3104840/Study-Many-cancer-patients-spared-brain-radiation.html

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