Largest PSA bounce study eases worry of prostate cancer returningNovember 09, 2006Prostate cancer patients who have a temporary rise in their prostate specific antigen (PSA) levels after radiation therapy-called a PSA bounce-are not at an increased risk of their cancer coming back any more than those who don't have a temporary rise, according to the largest study of its kind presented November 8, 2006, at the American Society for Therapeutic Radiology and Oncology's 48th Annual Meeting in Philadelphia. External beam radiation therapy and radiation seed implants are two of the main treatments for prostate cancer. Since these treatments are minimally invasive, have short recovery periods and often help men preserve their sexual and urinary function, many men with prostate cancer prefer radiation over other treatments, including surgery. The PSA bounce is common in half of all men who have radiation treatment for prostate cancer. Increased levels of PSA, which is a protein produced by the prostate, may be a sign of prostate cancer. "I believe the results of our study should help reduce the stress and uncertainty for men who experience a PSA bounce after radiation knowing that this doesn't represent a recurrence or put them at increased risk for cancer coming back later on," said Eric Horwitz, M.D., lead author of the study and clinical director of the radiation oncology department at Fox Chase Cancer Center in Philadelphia. "This study significantly impacts the clinical practice for both radiation oncologists and urologists. Clinicians should consider additional PSA tests after the initial bounce to see if the PSA levels return to normal before concluding that cancer has recurred and recommending additional treatment."
The study involved more than 7,500 men in 19 institutions who were treated for prostate cancer with either external beam radiation therapy or radiation seed implants. Findings show that over a 10-year period, there was no difference in cancer recurrence between those who had a PSA bounce and those who did not. American Society for Therapeutic Radiology and Oncology | |||||||||||||||||||||
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Related Prostate Cancer News Articles Too much calcium in blood may increase risk of fatal prostate cancer Men who have too much calcium in their bloodstreams may have an increased risk of fatal prostate cancer, according to a new analysis from Wake Forest University School of Medicine and the University of Wisconsin. Height linked to risk of prostate cancer development and progression A man's height is a modest marker for risk of prostate cancer development, but is more strongly linked to progression of the cancer, say British researchers who conducted their own study on the connection and also reviewed 58 published studies. Health risk behaviors associated with lower prostate specific antigen awareness According to a study conducted at Columbia University Mailman School of Public Health, health risk behaviors such as smoking and obesity are associated with lower awareness of the Prostate Specific Antigen (PSA), which could lead to a lower likelihood of undergoing actual prostate cancer screening. Study shows PDE5 inhibitor more effective when used on demand in erectile dysfunction European Urology, the official journal of the European Association of Urology will be featuring the article 'Effect of nightly versus on-demand vardenafil on recovery of erectile function in men following bilateral nerve-sparing radical prostatectomy' by F. Montorsi et al.in the October issue, showing for the first time that vardenafil, a PDE5 inhibitor, is more efficacious when used on-demand in men with erectile dysfunction, supporting a shift towards on-demand dosing with PDE5 inhibitors in this patient group. Satisfaction and regret after radical prostatectomy procedures studied Studies have shown that approximately 16% of patients with localised prostate cancer regret their treatment choice. European Urology, the official journal of the European Association of Urology, will be publishing an article by J.W. Moul et al. comparing differences in satisfaction and regret between patients who underwent open retropubic radical prostatectomy and robot-assisted laparoscopic radical prostatectomy. State's first single incision robotic kidney removal For the first time in Michigan, a diseased kidney has been surgically removed at Henry Ford Hospital using highly sophisticated 3D robotics through a single incision. Anti-tumor effects are enhanced by inhibiting 2 pathways rather than 1 Two independent research groups have found that simultaneous inhibition of two signaling pathways resulted in substantially enhanced antitumor effects in mouse models of prostate and breast cancer. In an accompany commentary, Steven Grant, at Virginia Commonwealth University Health Science Center, Richmond, discusses the clinical importance of these studies and highlights some of the questions that still need to be answered. Why a common treatment for prostate cancer ultimately fails Some of the drugs given to many men during their fight against prostate cancer can actually spur some cancer cells to grow, researchers have found. The findings were published online this week in a pair of papers in the Proceedings of the National Academy of Sciences. PSA screening may be biased against obese men, leading to more aggressive cancers Testing men for elevated levels of prostate-specific antigen (PSA) in the blood -- the gold standard screening test for prostate cancer -- may be biased against obese men, whose PSA levels tend to be deceptively low. Study finds more PSA screening awareness needed among high-risk groups In one of the first examinations of PSA screening in younger men, a study published by researchers at Duke Medicine's Prostate Center finds that one-fifth of men under age 50 reported undergoing a prostate specific antigen (PSA) test to detect prostate cancer in the previous year, yet only one in three young black men reported ever having a PSA test in the previous year. More Prostate Cancer News Articles |
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