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Showing 551 - 600Sex Steroid Hormones May Play a Role in the Development of Aggressive Prostate Cancer
Men with higher estradiol-to-testosterone ratios had a substantially reduced risk of aggressive prostate cancer, whereas men with higher ratios of 2-hydroxyestrone to 16α-hydroxyestrone had an increased risk of such cancer, according to the study findings presented by Black et al in Cancer...
ESMO 2014: Abiraterone Plus Prednisone Significantly Improves Overall Survival in Chemotherapy-Naive Metastatic Castration-Resistant Prostate Cancer
A final analysis of the phase III COU-AA-302 trial showed that abiraterone acetate (Zytiga) plus prednisone significantly prolonged overall survival compared to an active control of placebo plus prednisone in men with chemotherapy-naive metastatic castration-resistant prostate cancer. The study,...
PSA Bounce After Radiotherapy May Be Associated With Outcomes in Patients With Prostate Cancer
A temporary rise in prostate-specific antigen (PSA) scores after radiotherapy may have an association with outcomes in patients with prostate cancer, according to the study findings presented by Naghavi et al in the International Journal of Clinical Oncology. Experiencing a PSA bounce was...
Cabozantinib Active in Pretreated Metastatic Castration-Resistant Prostate Cancer
In a phase II expansion study reported in the Journal of Clinical Oncology, Smith et al found that the multikinase inhibitor cabozantinib (Cometriq) showed activity in previously treated metastatic castration-resistant prostate cancer. Cabozantinib targets include VEGFR2 and MET kinases. Study...
Safe Integration of Surgical Innovations Essential to Patient Safety: Study Evaluates Minimally-Invasive Radical Prostatectomy
In the introduction to a cohort study reported in JAMA Surgery, Parsons et al stated “Surgical innovations disseminate in the absence of coordinated systems to ensure their safe integration into clinical practice, potentially exposing patients to increased risk for medical error.” Their ...
Male Pattern Baldness at Age 45 May Be Associated With Aggressive Prostate Cancer
In a prospective cohort study in the population of the Prostate, Lung, Colorectal and Ovarian (PLCO) Cancer Screening Trial, Zhou et al found that frontal plus moderate vertex baldness at age 45 is associated with increased risk of aggressive prostate cancer. The findings were reported in the...
ASTRO: Long-Term Androgen-Deprivation Therapy Plus High-Dose Radiation Therapy Improves Biochemical Control and Survival Rates in Prostate Cancer
Prostate cancer patients who receive high-dose radiation therapy followed by a longer period of androgen-deprivation therapy have higher 5-year biochemical disease–free survival and overall survival rates compared to patients who receive high-dose radiation therapy and a shorter duration of...
Baseline Results of the UK Phase III ProtecT Trial of Active Monitoring, Radical Prostatectomy, or Radiotherapy for Localized Prostate Cancer
The UK phase III ProtecT trial is comparing the effectiveness of active monitoring, radical prostatectomy, and radiotherapy in men with localized prostate cancer. Lane et al have provided baseline results of the trial in an article in The Lancet Oncology. Study Details In the trial, men aged 50...
ASTRO: Shorter Course of Androgen-Deprivation Therapy Yields Improved Quality of Life for High-Risk Prostate Cancer Patients
Patients with high-risk prostate cancer who received radiation therapy and an 18-month course of androgen-deprivation therapy recovered a normal testosterone level in a shorter amount of time compared to those who received a 36-month course of androgen-deprivation therapy. The shorter course of...
FDA Approves New Indication for Enzalutamide in Metastatic Castration-Resistant Prostate Cancer
The U.S. Food and Drug Administration (FDA) has approved a new indication for the use of enzalutamide (Xtandi) capsules to treat patients with metastatic castration-resistant prostate cancer. The new indication is for men with metastatic castration-resistant prostate cancer who have not received...
ASCO and Cancer Care Ontario Release Clinical Practice Guideline for Systemic Therapy in Men With Metastatic Castration-Resistant Prostate Cancer
The ASCO Clinical Practice Guidelines Committee and the Cancer Care Ontario (CCO) program in evidence-based care have released a clinical practice guideline on systemic therapy in men with metastatic castration-resistant prostate cancer. The guideline is reported by Basch et al in the Journal of...
RNA Sequencing Could Help Doctors Tailor Unique Prostate Cancer Treatment Programs
Sequencing RNA, not just DNA, could help doctors predict how prostate cancer tumors will respond to treatment, according to research published in the journal Genome Biology. Because a tumor’s RNA shows the real-time changes a treatment is causing, the authors believe that this could be a...
Study Finds Widespread Adoption of Robot-Assisted Prostatectomy in United States
A new study reveals that the United States has experienced widespread adoption of robot-assisted prostatectomy to treat prostate cancer in recent years. The findings, reported by Chang et al in BJU International, also showed that although such surgeries are more expensive than traditional...
No Mortality Differences With Intermediate- or Short-Term Androgen Suppression With or Without Zoledronic Acid in Locally Advanced Prostate Cancer
In a phase III Australian/New Zealand trial (TROG 03.04 RADAR) reported in The Lancet Oncology, Denham et al found no differences in prostate cancer–specific or all-cause mortality with intermediate-term androgen suppression and radiotherapy or short-term suppression plus radiotherapy with or ...
Swedish Study Reports Increasing Rates of Severe Infection Requiring Hospitalization After Prostate Biopsy
Transrectal ultrasound guided biopsy is the standard for detecting prostate cancer, but international reports have suggested that the risks associated with the procedure are increasing. In a new nationwide population-based study reported in The Journal of Urology, Swedish researchers found that 6%...
ERSPC 13-Year Follow-up: Reduction in Prostate Cancer Mortality With PSA Screening, but High Overdiagnosis Rates Remain a Concern, Say Authors
The 13-year follow-up of the European Randomized Study of Screening for Prostate Cancer (ERSPC), reported by Schröder et al in The Lancet, showed that prostate-specific antigen (PSA) screening in men aged 55 to 69 years is associated with a 21% reduction in risk of prostate cancer mortality...
Prostate Cancer Prevention Trial Identifies Men Most Likely to Undergo Challenging Study Procedures
Healthy men participating in the Prostate Cancer Prevention Trial who actively participate in all steps of the clinical trial are most likely to undergo a biopsy, according to a study by Gritz et al published in Cancer Epidemiology, Biomarkers & Prevention. The Prostate Cancer Prevention Trial, ...
Enzalutamide Increases Time to First Skeletal-Related Event and Improves Quality-of-Life Outcomes in Castration-Resistant Prostate Cancer
In the phase III international AFFIRM trial, enzalutamide (Xtandi) was shown to improve overall survival vs placebo in men with metastatic castration-resistant prostate cancer after progression on docetaxel. In an analysis of secondary endpoints reported in The Lancet Oncology, Fizazi et al found...
College of American Pathologists Publishes Recommendations for Prostate Cancer Active Surveillance
Prostate cancer is the second leading cause of cancer death in men in the United States. Active surveillance offers low-risk prostate cancer patients a means to avoid the potentially harmful side effects from treatment. In a recent article in the Archives of Pathology & Laboratory Medicine, a...
Study Suggests That Primary Androgen-Deprivation Therapy Does Not Improve Long-Term Survival in Older Patients With Localized Prostate Cancer
Primary androgen-deprivation therapy has been widely used in localized prostate cancer, despite absence of definitive evidence of benefit in early-stage disease. In a large population-based cohort study reported in JAMA Internal Medicine, Lu-Yao et al found that primary androgen-deprivation therapy ...
Depression Associated With Less Definitive Therapy and Poorer Survival in Men With Clinically Localized Prostate Cancer
In a population-based cohort study reported in the Journal of Clinical Oncology, Prasad et al found that men with depressive disorder prior to prostate cancer diagnosis were significantly less likely to undergo definitive therapy and had worse overall survival across all risk strata compared with...
Minority of Older Patients With Low-Risk Prostate Cancer Managed by Observation
Most older men with low-risk prostate cancer receive upfront treatment, despite absence of clear survival benefit and potential for morbidity. In a retrospective cohort study reported in JAMA Internal Medicine, Hoffman et al found that use of observation as management in this setting varied widely...
Robot-Assisted Surgery for Localized Prostate Cancer Controls Disease for 10 Years
Robot-assisted surgery to remove cancerous prostate glands is effective in controlling the disease for 10 years, according to a new study led by researchers at Henry Ford Hospital. The study by Diaz et al, published in European Urology, also suggested that traditional methods of measuring the...
New Androgen Receptor Inhibitor Shows Activity in Metastatic Castration-Resistant Prostate Cancer
ODM-201 is a novel androgen receptor inhibitor—structurally distinct from enzalutamide (Xtandi)—that acts via high-affinity binding to the androgen receptor and inhibition of receptor nuclear translocation. In the phase I/II ARADES trial reported in The Lancet Oncology, Fizazi et al...
Vasectomy Associated With Modestly Increased Risk of High-Grade and Lethal Prostate Cancer
An analysis of data from the Health Professionals Follow-Up Study reported by Siddiqui et al in the Journal of Clinical Oncology indicates that vasectomy is associated with a modestly but significantly increased risk of high-grade and lethal prostate cancer. The study involved data from 49,405...
Variations in Key Gene Predict Prostate Cancer Patients’ Risk for Radiation-Induced Toxicity
Key genetic variants may affect how cancer patients respond to radiation treatments, according to a study recently published in Nature Genetics. The research team, which included researchers at the Icahn School of Medicine at Mount Sinai, found that variations in the TANC1 gene are associated with...
Development of Orteronel for Prostate Cancer Voluntarily Discontinued by Takeda
Takeda Pharmaceutical Company Limited announced today that it has voluntarily decided to end the development program for orteronel (TAK-700), an investigational oral, nonsteroidal, selective inhibitor of 17,20-lyase, for prostate cancer. The decision follows the results of two phase III...
ASCO 2014: Enzalutamide Before Chemotherapy Prolongs Progression-Free and Overall Survival in Metastatic Prostate Cancer
The androgen receptor inhibitor enzalutamide (Xtandi) has been shown to prolong survival in men with metastatic castration-resistant prostate cancer with progressive disease after chemotherapy. In the phase III PREVAIL trial reported in The New England Journal of Medicine, Beer et al found that...
ASCO 2014: Adding Docetaxel to Androgen-Deprivation Therapy Significantly Improves Survival in Hormone-Sensitive Prostate Cancer
The addition of docetaxel to androgen-deprivation therapy extended survival for men with newly diagnosed hormone-sensitive prostate cancer by more than 13 months in the National Cancer Institute–led phase III E3805 study. The survival benefit was even greater for men with high-volume disease. ...
ASCO 2014: Men Who Receive Radiation Therapy for Prostate Cancer Have Increased Long-Term Risk of Bladder or Rectal Cancer
Men with prostate cancer generally have an excellent prognosis, but questions remain about the risk of second primary malignancies after initial therapy for localized disease. According to a new study presented at the 2014 ASCO Annual Meeting in Chicago (Abstract 5034), although the overall risk of ...
Study Reveals More Than One-Third of Patients With ‘Low-Risk’ Prostate Cancer on Conventional Biopsy Have More Aggressive Tumors on Targeted Biopsy
According to a new study by researchers at the University of California, Los Angeles, selection of men for active surveillance for prostate cancer should be based not on conventional biopsy, but on a new, imaging-guided targeted prostate biopsy. The new biopsy method is now a routine part of the...
No Overall Survival Improvement With Ipilimumab After Radiotherapy in Metastatic Castration-Resistant Prostate Cancer Progressing After Docetaxel
In a phase III trial (CA184-043) reported in The Lancet Oncology, Kwon et al assessed the effects of adding ipilimumab (Yervoy) after radiotherapy in patients with metastatic castration-resistant prostate cancer progressing after docetaxel chemotherapy. The investigators found no improvement...
Radium-223 Dichloride Significantly Prolongs Time to First Symptomatic Skeletal Event in Patients With Castration-Resistant Prostate Cancer
In an article in The Lancet Oncology, Sartor et al report symptomatic skeletal event outcomes in the phase III ALSYMPCA trial, which was the study supporting the May 2013 approval of radium-233 dichloride (Xofigo) in patients with castration-resistant prostate cancer and bone metastases. They found ...
Results of Three Studies Indicate 17-Gene Assay Is a Significant Predictor of Prostate Cancer Aggressiveness at the Time of Diagnosis
According to the results from three studies published in European Urology, the 17-gene Oncotype DX Genomic Prostate Score is a significant predictor of disease aggressiveness at the time of diagnosis before intervention with radiation or surgery. The test provides more precise and individualized...
Delaying Androgen Deprivation Therapy May Be Safe for Men With Prostate Cancer Relapse Detected by PSA Testing
According to a large, population-based observational study of men who had a prostate-specific antigen (PSA)-only based relapse after prostate surgery or radiation therapy, delaying androgen deprivation therapy until the onset of symptoms or appearance of cancer on a scan does not substantially...
Tools for Identifying Pathologically Insignificant Prostate Cancer Are Inaccurate In Unscreened Men
In a study reported in British Journal of Cancer, Shaw et al assessed the accuracy of several reported criteria for identifying insignificant prostate cancer for active surveillance in a population of unscreened men. None of the examined tools provided sufficient discrimination of insignificant...
Statin Use Associated With Reduced Risk of Prostate Cancer Recurrence
Men who begin taking statins after prostate cancer surgery are less likely to have a recurrence of their cancer, according to a retrospective analysis led by researchers at Duke Medicine. The study by Allott et al was published in BJU International. “Our findings suggest that beginning...
Severe Vitamin D Deficiency Is Associated With Aggressive Prostate Cancer, Study Finds
A study investigating vitamin D status and prostate cancer diagnosis in high-risk men has found an association between vitamin D deficiency and aggressive prostate cancer. The study enrolled 667 men, ages 40 to 79 years, who were undergoing their first prostate biopsy following an abnormal...
Computational Model Can Predict Therapy Outcomes in Prostate Cancer With Bone Metastasis
Active prostate cancer cells in the bone environment can disrupt the bone remodeling process, promoting a “vicious cycle” of extensive bone destruction and formation that yields nutrients allowing prostate cancer cells to grow. To simulate this complex biologic process, researchers have ...
Experimental Drug Receives Fast Track Designation as Second-Line Chemotherapy for Metastatic Castration-Resistant Prostate Cancer
OncoGenex Pharmaceuticals, Inc, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to the investigation of custirsen (OGX-011) when administered in combination with cabazitaxel (Jevtana Kit)/prednisone for the treatment of men with metastatic...
European Phase II Study Indicates Activity of Enzalutamide in Hormone-Naive Prostate Cancer
As reported in The Lancet Oncology by Tombal et al, a single-arm phase II trial of the androgen receptor inhibitor enzalutamide (Xtandi) has shown that the agent is active in suppressing disease and well tolerated in men with hormone-naive prostate cancer. In this ongoing trial, 67 men with...
Chronic Inflammation in Benign Prostate Tissue Is Associated With Aggressive Prostate Cancer
An analysis of prostate tissue biopsies collected from participants in the placebo arm of the Prostate Cancer Prevention Trial (PCPT) has found that those whose benign prostate tissue had chronic inflammation had 1.78 times higher odds of having prostate cancer, and 2.24 times higher odds of having ...
Study Finds a Quarter of Men Drop Out of Prostate Cancer Monitoring, Casting Doubt on Safety of Active Surveillance
Noncompliance appears to be a major challenge for active surveillance, according to the results of long-term follow-up of patients with prostate cancer presented at the European Association of Urology 29th Annual Congress in Stockholm. Over a quarter of men dropped out of the active surveillance...
Six Months Hormonal Treatment in Addition to Radiotherapy Improves Survival for Men With Localized Prostate Cancer
Men with localized prostate cancer that is at risk of growing and spreading have a lower risk of disease progression and recurrence if they are treated with radiotherapy combined with androgen-deprivation therapy, according to new research. The findings, which were presented at the 33rd Conference...
New Test Developed to Detect Men at High Risk of Prostate Cancer Recurrence
A new genetic signature to identify prostate cancer patients who are at high risk of their cancer recurring after surgery or radiotherapy has been developed by researchers in Canada, according to a study presented at the 33rd Conference of the European Society for Radiotherapy and Oncology in...
Dose-Escalated Hypofractionated IMRT for Localized Prostate Cancer Has Similar Side Effects Compared to Conventional IMRT
Dose-escalated intensity-modulated radiotherapy with use of a moderate hypofractionation regimen (72 Gy in 2.4-Gy fractions) can safely treat patients with localized prostate cancer with limited grade 2 or 3 late toxicity, according to a study by Hoffman et al published in the International Journal ...
Preclinical Study Suggests Benefits of Increased Tumor Perfusion and Reduced Tumor Hypoxia With Exercise in Prostate Cancer
In a study reported in the Journal of the National Cancer Institute, McCullough et al used an orthotopic rat model of prostate cancer to assess the effects of exercise on tumor hemodynamics and tissue hypoxia. Their findings of enhanced tumor perfusion and diminished tumor hypoxia suggest that...
Swedish Study Shows Lower Prostate Cancer Mortality in High-Incidence Areas
In a study reported in the Journal of the National Cancer Institute, Stattin et al found that rates of prostate cancer mortality, excess mortality in men with prostate cancer, and metastatic prostate cancer were lower in counties in Sweden with higher vs lower incidence of prostate cancer that...
No Mortality Benefit From Primary Androgen-Deprivation Therapy for Most Men With Early-Stage Prostate Cancer
A large retrospective cohort study by Potosky et al of 15,170 men with early-stage prostate cancer has found that patients who received androgen deprivation as their primary treatment instead of surgery or radiation did not live any longer than those who received no curative-intent treatment. Men...
Circulating Tumor Cell Count and Early Change in Count Are Prognostic for Survival in First-Line Docetaxel Treatment of Prostate Cancer
As reported in the Journal of Clinical Oncology, Goldkorn et al assessed the prognostic value of circulating tumor cell counts in patients with metastatic castration-resistant prostate cancer receiving standard first-line docetaxel plus prednisone with or without atrasentan in the SWOG S0421 trial. ...
