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Increased Radiation For Prostate Cancer Increases Cure Rate PHILADELPHIA, PA -- March 1, 2000 -- Most prostate cancer patients will have a higher cure rate if they are treated with higher doses of radiation, a new study shows. The study was published today in the International Journal of Radiation Oncology, Biology and Physics. The study, conducted at Fox Chase Cancer Center in Philadelphia, PA, of 618 patients found that five-year cure rates were improved by 14 - 40 percent depending on the patients' disease extent when the patients were treated with higher doses. These high doses result in the cure of more than 80 percent of all patients with pre-treatment PSA levels of 20 or less. Higher doses are possible because of three-dimensional conformal radiation therapy (3D-CRT), a technique that allows the radiation oncologist to "conform" the radiation to the tumor, thus avoiding some organs and tissues nearby, says Gerald E. Hanks, M.D., Chairman, Department of Radiation Oncology at Fox Chase Cancer Center. "Morbidity is very low if 3D-CRT is done," he says. Yet, in 1998 (the latest year figures are available) only 40 percent of radiation oncology facilities were doing 3D-CRT. The American Society for Therapeutic Radiology and Oncology (ASTRO) is planning a series of educational programs designed to teach radiation oncologists nationwide how to appropriately utilize 3D-CRT. "We have the potential to cure more patients; it is essential that we take advantage of that potential," says Dr. Hanks. The International Journal of Radiation Oncology, Biology and Physics is the official journal of the American Society for Therapeutic Radiology and Oncology (ASTRO), the largest radiation oncology society in the world, with more than 5,000 members. As a leading organization in radiation oncology, biology and physics, the society's goals are to advance the scientific base of radiation therapy and to extend the benefits of radiation therapy to those with cancer. E-mail this page to a friend or colleague! To print, use this version