A national sample of Medicare beneficiaries treated for prostate cancer with intensity-modulated radiation therapy or proton radiotherapy found that proton radiotherapy “was rare and expensive and associated with only a modest and transient reduction in genitourinary toxicity,” reported James B....
Postoperative irradiation significantly improves biochemical progression-free survival and local control compared with a “wait-and-see” approach in men with high-risk prostate cancer, according to more than a decade of long-term follow-up in the European Organisation for Research and Treatment of...
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. Indication On December 10, 2012, abiraterone acetate (Zytiga)...
The androgen biosynthesis inhibitor abiraterone acetate (Zytiga) has been shown to increase radiographic progression-free survival and delay clinical decline and initiation of chemotherapy in a clinical trial in castration-resistant patients with metastatic prostate cancer who have had no prior...
A survey of Veterans Affairs (VA) medical centers recently reported by Nancy L. Keating, MD, MPH, and colleagues at Harvard Medical School in the Journal of the National Cancer Institute showed that the presence of multidisciplinary tumor boards had little association with rates of recommended...
A post hoc analysis of the AFFIRM trial found that on-study use of corticosteroids led to worse outcomes in metastatic castration-resistant prostate cancer regardless of whether patients were randomly assigned to enzalutamide (Xtandi) or placebo.1 On-study corticosteroid use was associated with...
Preliminary results of a phase II study suggest that a novel antiandrogen called ARN-509 is safe, well tolerated, and has promising activity in high-risk nonmetastatic castrate-resistant prostate cancer. ARN-509 is a novel, second-generation, oral antiandrogen that binds directly to the...
Extended follow-up of the German ARO 96-02 trial shows that adjuvant radiotherapy reduces the risk of biochemical failure in men whose prostate cancer extends through the prostate capsule (stage T3), compared with a wait-and-see approach, after radical prostatectomy. Adjuvant radiotherapy reduced...
Fifteen years after being treated with radical prostatectomy or external-beam radiation for localized prostate cancer, “the prevalence of erectile dysfunction was nearly universal,” among men enrolled in a long-term functional outcomes analysis of the Prostate Cancer Outcomes Study (PCOS). There...
Eighteen months of hormone therapy appears to be as safe and effective as 36 months when combined with radiation for patients with high-risk prostate cancer.1 Patients who received the shorter course of hormone therapy plus radiation had survival rates similar to those who received 36 months of...
Dr. Resnick and colleagues are to be congratulated for following men on the PCOS study out to 15 years. The main result—“At 15 years, no significant relative differences in disease-specific functional outcomes were observed among men undergoing prostatectomy or radiotherapy”—should be interpreted...
Comparative longer-term functional outcomes of radical prostatectomy and external-beam radiation therapy for localized prostate cancer remain undefined. In a study recently reported in The New England Journal of Medicine,1 Matthew J. Resnick, MD, and colleagues at Vanderbilt University, Nashville,...
Attendees at the 2013 Genitourinary Cancers Symposium in Orlando, Florida, were brought up to date with the latest news on cancers of the prostate, testes, bladder, and kidney. Below are selected highlights from the meeting describing findings of noteworthy abstracts to extend our regular news...
Obese men were more likely to have precancerous lesions detected in their benign prostate biopsies compared with nonobese men and were at a greater risk for subsequently developing prostate cancer, according to data published recently in Cancer Epidemiology, Biomarkers & Prevention.1 “Our study ...
Men ages 55 to 69 who are considering prostate cancer screening should talk with their doctors about the benefits and harms of testing and proceed based on their personal values and preferences, according to a new clinical practice guideline released by the American Urological Association (AUA)....
Mayo Clinic researchers have used next-generation genomic analysis to determine that some of the more aggressive prostate cancer tumors have similar genetic origins, which may help in predicting cancer progression. The findings appeared online recently in the journal Cancer Research.1 Gleason...
A new clinical trial is testing whether targeting treatments to a genetic anomaly can lead to better treatments for castration-resistant metastatic prostate cancer. The trial, led by investigators at the University of Michigan Comprehensive Cancer Center, is being conducted at 11 sites throughout...
On May 15, 2013, the U.S. Food and Drug Administration approved radium Ra 223 dichloride (Xofigo) for the treatment of patients with castration-resistant prostate cancer, symptomatic bone metastases, and no known visceral metastatic disease. Radium-223 dichloride is an alpha-particle–emitting...
“Among men with nonmetastatic prostate cancer, replacing carbohydrates and animal fat with vegetable fat may reduce the risk of all-cause mortality,” according to a prospective study of 4,577 men with nonmetastatic prostate cancer in the Health Professionals Follow-up Study. Vegetable fat intake...
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. Indication On May 15, 2013, radium Ra 223 dichloride (Xofigo) was...
At least 12 different genetic tests for prostate cancer are under development. The two tests currently available are Oncotype DX (Genomic Health, Redwood City, California) and Prolaris (Myriad Genetic Laboratories, Salt Lake City). Both tests can identify which low-risk patients are “truly” at low...
Men who have metastatic castration-resistant prostate cancer and have used docetaxel reported a higher prevalence and greater severity of pain than docetaxel-naive patients, according to results of an anonymous survey conducted at five comprehensive cancer centers in the Prostate Cancer Clinical...
The use of advanced treatment technologies, such as intensity-modulated radiotherapy and robotic prostatectomy, has increased among men unlikely to die from prostate cancer, according to a retrospective analysis of data from almost 56,000 men diagnosed with prostate cancer between 2004 and 2009....
Men with localized high-risk prostate cancer treated with adjuvant radiotherapy had similar overall and disease-free survival when treated with 18 months of androgen deprivation therapy vs 36 months of androgen deprivation therapy, the current standard of care in this setting. These results were...
Enzalutamide (Xtandi) monotherapy induced striking declines in prostate-specific antigen (PSA) in a majority of patients with hormone-naive prostate cancer in a phase II trial, and this oral agent appears to have little effect on bone mineral density. If these findings are confirmed in a phase III...
My feature interview in the August 15, 2012, issue of The ASCO Post, entitled “Rethinking the Role of PSA Screening in Public Health”1 drew swift reaction from well-known figures in the prostate cancer field. The subsequent Letters to the Editor, three in all, constituted a two-pronged attack. They ...
The use of androgen deprivation therapy was significantly associated with an increased risk of acute kidney injury among men with newly diagnosed nonmetastatic prostate cancer, according to a study published in JAMA. The study was motivated by the increasing use of androgen deprivation therapy in...
David Penson, MD, MPH, Professor of Urologic Surgery, Vanderbilt University Medical Center, Nashville, has received a $2 million research award from the Patient-Centered Outcomes Research Institute to study localized prostate cancer. Dr. Penson is also Director of the Vanderbilt Center for Surgical ...
Amid conflicting recommendations for prostate cancer screening and mixed messages communicated to the public about screening effectiveness, decision aids can assist men in making informed choices. A comparison of two different types of decision aids, one print-based and one Web-based, found that...
African American men with prostate cancer that meets current criteria for very low-risk disease might actually be harboring larger and more aggressive tumors that make active surveillance a less viable option, according to the results of a study published online in the Journal of Clinical Oncology1 ...
Data analyzed from a large cohort study of men diagnosed with prostate cancer found that prostate cancer aggressiveness may be established when the tumor is formed and not changed over time. The researchers of the study, Kathryn L. Penney, ScD, Instructor in the Department of Medicine at Harvard...
The California Institute for Regenerative Medicine recently announced approval by the agency’s governing Board, the Independent Citizens Oversight Committee, of $40 million in funding for researchers at 10 institutions as part of its Early Translational IV Research awards. Among the institutions...
A strong positive association with shiftwork and elevated prostate-specific antigen (PSA) level was found in an analysis of three National Health and Nutrition Examination Survey (NHANES) studies. “Our data support the notion that sleep or circadian disruption is associated with elevated PSA,...
A shorter course of androgen suppression therapy prior to radiation therapy, when compared to an extended course of androgen suppression therapy, yields comparable outcomes and fewer adverse effects for intermediate-risk prostate cancer patients, according to research presented recently at the 55th ...
Men with advanced prostate cancer typically receive hormonal therapy to reduce the level of androgens in their bodies. Although hormone therapy alone will not cure prostate cancer, lowering androgen levels can reduce the size of prostate tumors or stall their growth. A secondary analysis of the...
Metastasis to bone is the hallmark of prostate cancer and a major source of disease-related morbidity and mortality. In addition to prostate cancer cells, other major players in the vicious interactive cycle of prostate cancer bone metastasis are osteoblasts, osteoclasts, and mineralized bone...
In a trial (ALSYMPCA trial) reported in The New England Journal of Medicine, Chris Parker, MD, from Royal Marsden Hospital in Surrey, UK, and colleagues compared the alpha emitter radium-223 dichloride (Xofigo) with best standard of care in men with castration-resistant prostate cancer and bone...
Cancer cells are known to have short telomeres, but just how short they are from cancer cell to cancer cell may be a determining factor in a prostate cancer patient’s prognosis, according to a study1 led by scientists at Johns Hopkins. “Doctors are looking for new ways to accurately predict...
All medical care should seek to achieve one or more of three goals: to relieve suffering, to prevent future suffering, or to prolong life. Care for cancer is no exception, and minimizing suffering from cancer and prolonging life has primarily resulted from advances in treatment. Although there are...
In the Prostate Cancer Prevention Trial (PCPT), initially reported in 2003, finasteride significantly reduced the risk of prostate cancer by 24.8% but was associated with a relative 26.9% increase in risk of high-grade disease compared with placebo. In a study reported in The New England Journal of ...
The therapeutic landscape for the treatment of castration-resistant prostate cancer has changed dramatically in the past 4 years, as five new agents affecting different aspects of the malignant process were proven to prolong life. The results are a great benefit to patients, but at the same time...
An interim analysis of the COU-AA-302 phase III trial in asymptomatic or mildly symptomatic chemotherapy-naive men with metastatic castration-resistant prostate cancer showed that the addition of abiraterone (Zytiga) to prednisone significantly delayed radiographic progression and improved overall...
The seminal study by Wang and colleagues reported in the Journal of the National Cancer Institute1 and reviewed in this issue of The ASCO Post suggests a potential new therapeutic option in the treatment of advanced prostate cancer. The authors draw attention to the reliance of cancer cells on...
L-type amino acid transporters (LATs) uptake neutral amino acids including L-leucine into cells, stimulating mTOR complex 1 (mTORC1) signaling and protein synthesis. LAT1 and LAT3 are overexpressed at different stages of prostate cancer and are involved in increasing nutrients and stimulating cell...
This issue of The ASCO Post launches a Clinical Trials Resource Guide to increase awareness of NCI-funded phase I, II, and III clinical studies for your patients with advanced cancer. All of the studies are listed on the National Institutes of Health website at ClinicalTrials.gov. The clinical...
Ornish et al at the University of California in San Francisco and the Preventive Medicine Research Institute in Sausalito, California, performed a 5-year study1 including 35 men on active surveillance (10 in a lifestyle-intervention group and 25 in a control group) with low-risk prostate cancer....
Short telomere length in peripheral blood mononuclear cells is associated with aging and age-related diseases such as cancer, stroke, vascular dementia, cardiovascular disease, obesity, osteoporosis, and diabetes. Telomere attrition is considered a potential mechanism in triggering the chromosomal...
Long-term follow-up of the ALSYMPCA trial showed that radium Ra 223 dichloride (Xofigo) is extremely safe and active in men with castration-resistant prostate cancer and bone metastases. A snapshot of safety data from about 1.5 years after patients’ final radium-223 injection shows minimal...
Encouraging results of the large phase III PREVAIL trial represent another positive milestone for men with metastatic castration-resistant prostate cancer. Enzalutamide (Xtandi) improved overall survival by 29% and reduced the risk of radiographic progression of disease by 81% in men who had not...
“Dietary intake of lycopene was associated with reduced risk of lethal prostate cancer and with a lesser degree of angiogenesis in the tumor,” Ke Zu, MD, of Harvard School of Public Health, Boston, and colleagues concluded after reviewing dietary information and total and lethal prostate cancer...