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prostate cancer

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...

prostate cancer

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...

prostate cancer

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...

prostate cancer

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. ...

prostate cancer

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 ...

prostate cancer
issues in oncology

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...

prostate cancer

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...

prostate cancer

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 ...

prostate cancer

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...

prostate cancer

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...

prostate cancer
issues in oncology

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...

prostate cancer

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...

prostate cancer

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...

prostate cancer

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 ...

prostate cancer

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...

prostate cancer

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...

issues in oncology
prostate cancer

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 ...

prostate cancer

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...

prostate cancer

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...

prostate cancer
issues in oncology

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...

prostate cancer

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 ...

prostate cancer

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...

prostate cancer
issues in oncology

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...

prostate cancer

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...

issues in oncology
prostate cancer

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. ...

prostate cancer

Stereotactic Body Radiation Costs Less but Is Associated With More Genitourinary Toxicity vs Intensity-Modulated Radiation Therapy for Prostate Cancer

In a retrospective Medicare-based study reported in the Journal of Clinical Oncology, Yu et al found that although stereotactic body radiation therapy is associated with lower treatment costs than intensity-modulated radiation therapy in treatment of prostate cancer, it is also associated with...

prostate cancer
myelodysplastic syndromes

No Apparent Increased Risk of Myelodysplastic Syndrome With Definitive Radiotherapy in Prostate Cancer

Exposure to ionizing radiation has been associated with increased risk of myelodysplastic syndrome, and it remains unclear whether radiation doses used in prostate cancer treatment result in increased risk. In a retrospective cohort study reported in the Journal of the National Cancer Institute,...

prostate cancer

Continued Survival Benefits With Radical Prostatectomy in Longer-Term Follow-up in Scandinavian Prostate Cancer Group-4 Trial

As reported in The New England Journal of Medicine by Bill-Axelson et al, additional long-term follow-up in the Scandinavian Prostate Cancer Group-4 trial (SPCG-4) continues to show significant benefits of radical prostatectomy vs watchful waiting in early prostate cancer, including reduced risk of ...

prostate cancer

High Bone Biomarker Levels Linked to Preferential Survival Benefit of Atrasentan in Castration-Resistant Prostate Cancer With Skeletal Metastases

Although elevated markers of bone turnover are associated with poor survival in castration-resistant prostate cancer, the association of these markers with outcome in the setting of bone-targeted therapy is uncertain. In a study reported in the Journal of the National Cancer Institute, Lara et al...

prostate cancer

No Benefit of Early Zoledronic Acid in Reducing Skeletal-Related Events in Castration-Sensitive Prostate Cancer With Bone Metastases

As reported in the Journal of Clinical Oncology by Smith et al, the double-blind phase III Cancer and Leukemia Group B (CALGB) 9020/Alliance trial assessed the effect of early initiation of zoledronic acid in reducing risk of skeletal-related events in men with castration-sensitive prostate cancer. ...

issues in oncology
prostate cancer

BPA Exposure May Be Linked to Prostate Cancer, Study Shows

A new study suggests that levels of bisphenola A (BPA) in men’s urine may be a marker of prostate cancer and that low levels of BPA exposure can cause cellular changes in both nonmalignant and malignant prostate cells. The research, published in PLOS ONE, provides the first evidence that...

prostate cancer

No Overall Survival Advantage for Escalated-Dose vs Control-Dose Conformal Radiotherapy for Prostate Cancer at 10 Years

As reported in The Lancet Oncology by Dearnaley et al, the 10-year follow-up of the phase III open-label MRC RT01 trial showed continued benefit of escalated-dose vs control-dose conformal radiotherapy in biochemical progression-free survival in patients with prostate cancer but no overall survival ...

solid tumors
prostate cancer

Robotic-Assisted Prostate Surgery May Offer Better Cancer Control Than Open Radical Prostatectomy

An observational study from UCLA’s Jonsson Comprehensive Cancer Center comparing robotic-assisted surgery to traditional surgery for prostate cancer found that patients who had robotic surgery had fewer instances of cancer cells remaining after surgery and less need of additional cancer...

prostate cancer

Selenium and Vitamin E Supplements May Increase Risk of Prostate Cancer in Some Men

A multicenter study led by Fred Hutchinson Cancer Research Center has found that high-dose supplementation with both the trace element selenium and vitamin E may increase the risk of high-grade prostate cancer. This risk is dependent upon a man’s selenium status prior to taking the...

prostate cancer

Newly Created Risk Stratification Database Aids in Predicting Outcomes in Prostate Cancer

The pan-Canadian Prostate Cancer Risk Stratification database was created to report on the patient, tumor, and treatment factors that were predictive of biochemical and clinical outcomes in patients who underwent radiotherapy for prostate cancer. Risk stratification in the management of those with...

solid tumors
prostate cancer

High Incidence of Complications Other Than Urinary Incontinence or Erectile Dysfunction After Prostatectomy or Radiotherapy for Prostate Cancer

Studies of complications of surgery or radiotherapy for prostate cancer generally focus on incontinence and erectile dysfunction. In a population-based cohort study reported in The Lancet Oncology, Nam et al assessed the frequency of other complications associated with such treatment and found high ...

prostate cancer

Higher Dietary Lycopene Intake Associated With Reduced Risk of Lethal Prostate Cancer and Reduced Tumor Angiogenesis

In a study reported in the Journal of the National Cancer Institute, Zu et al found that higher dietary lycopene intake was associated with reduced risk of lethal prostate cancer and reduced tumor angiogenesis. Lycopene-rich foods include tomatoes and tomato-based products. Study Details The...

prostate cancer
issues in oncology

Prostate Health Index May Provide New Tool to Identify Patients Assigned to Watchful Waiting Who Require Immediate Treatment

A simple tool called “phi” appears to be able to identify which patients assigned to active surveillance for prostate cancer are more likely to require treatment. Phi, or the prostate health index, is calculated from three serum measurements: PSA, free/total PSA, and a new measurement,...

prostate cancer

Prolonged Hormone Therapy Exposure Increases Risk of Diabetes and Cardiovascular Disease in Older Patients With Prostate Cancer

Although androgen deprivation therapy extends survival in men with prostate cancer, its use is associated with unwanted side effects. In addition to the well-known side effects of impaired sexual function and hot flashes, prolonged exposure to androgen deprivation therapy can also lead to diabetes...

prostate cancer

Study Examines Immunotherapy in Metastatic Castration-Resistant Prostate Cancer

In the randomized, phase III CA184-043 trial, ipilimumab (Yervoy) improved progression-free survival and prostate-specific antigen (PSA) response compared with placebo, but failed to improve overall survival significantly in postdocetaxel metastatic castration-resistant prostate cancer....

prostate cancer

Radiation Plus Hormone Therapy Extends Survival in Patients With High-Risk Prostate Cancer

The addition of radiation to lifelong hormone therapy with oral antiandrogens vs antiandrogens alone reduced the prostate cancer–specific death rate by more than 50% at 10 and 15 years in men with locally advanced prostate cancer, according to an updated analysis of the Scandinavian Prostate...

prostate cancer

Enzalutamide Improves Survival in Chemotherapy-Naive Metastatic Castration-Resistant Prostate Cancer

Enzalutamide (Xtandi) improved survival by 29% in men with chemotherapy-naive metastatic castration-resistant prostate cancer and reduced the risk of radiographic progression by 81%, according to complete results of the randomized, double-blind, placebo-controlled, multinational, phase III PREVAIL...

prostate cancer
issues in oncology

Model of Individualized Estimates Shows Risk of Overdiagnosis in Screening-Detected Prostate Cancers Varies Widely by Age, PSA, and Gleason Score

It is estimated that overdiagnosis occurs in approximately 20% to 40% of prostate cancers detected at screening in U.S. men aged 50 to 84 years, with the likelihood of overdiagnosis varying widely according to patient age and tumor characteristics. In a study reported in the Journal of the...

prostate cancer

No Overall Survival Benefit With Addition of Sunitinib to Prednisone in Metastatic Castration-Resistant Prostate Cancer

In a phase III trial reported in the Journal of Clinical Oncology, Michaelson et al assessed the addition of the antiangiogenesis agent sunitinib (Sutent) to prednisone in patients with progressive metastatic castration-resistant prostate cancer after docetaxel-based chemotherapy. No...

prostate cancer

Second-Line Therapies May Benefit Patients With Castration-Resistant Prostate Cancer and Poor Performance Status

Patients with castration-resistant prostate cancer and a poor performance status who were previously treated with docetaxel may benefit from currently available second-line therapies, according to the findings of a meta-analysis by Iacovelli et al published in Prostate Cancer and Prostatic...

prostate cancer

Biologic Mechanism May be Linked to Racial Disparities in Prostate Cancer

In the United States, African American men are 1.6 times more likely to develop prostate cancer and more than 2.5 times as likely to die from the disease than non-Hispanic white men, according to the U.S. Department of Health & Human Services. A study by David P. Turner, PhD, Assistant...

prostate cancer
survivorship

Long-Term Symptoms Beyond 10 Years Experienced by Prostate Cancer Survivors

Years after receiving treatment, many patients who survive prostate cancer continue to experience treatment-related symptoms, according to the findings of a study by Darwish-Yassine et al published in the Journal of Cancer Survivorship. These findings highlight the need for improvements in survivor ...

prostate cancer
issues in oncology

Genetic Mutation May Play a Role in Worse Outcomes for Obese Prostate Cancer Patients

A study by researchers from Harvard School of Public Health, Dana-Farber Cancer Institute, and Brigham and Women’s Hospital has found that overweight or obese men with prostate cancer whose tumors were positive for the TMPRSS2:ERG genetic mutation had more than a 50% increased risk of dying...

prostate cancer

Low-Fat Diet and Fish Oil Supplementation Reduces Cell-Cycle Progression in Prostate Cancer

In a post hoc analysis reported in the journal Cancer Prevention Research, Galet et al analyzed the effects of diet on men with prostate cancer. They found that men who were on a low-fat diet and fish oil supplementation had lower cell-cycle progression scores, which are associated with less...

prostate cancer

Tasquinimod May Improve Survival in Men With Metastatic Prostate Cancer

An investigational prostate cancer treatment slows the disease’s progression and may increase survival, especially among men whose cancer has spread to the bones, according an analysis led by the Duke Cancer Institute. The study, published in the journal Clinical Cancer Research, adds...

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