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Prostate Cancer
Issues in Oncology

A Gleason 6 Tumor: Is It Cancer, and Should It Be Treated?

The diagnosis and treatment of prostate cancer have long been a source of controversy among the oncology community, the political sector, and patient advocacy groups. Most notably, the decision to biopsy a man’s prostate gland rests largely on his prostate-specific antigen (PSA) test numbers, the...

prostate cancer

Does Androgen-Deprivation Therapy Increase the Risk for Dementia in Patients With Prostate Cancer?

In a UK population–based study reported in the Journal of Clinical Oncology, Khosrow-Khavar et al found no significant association between the use of androgen-deprivation therapy and the risk for dementia in patients with prostate cancer. The study involved a cohort of 30,903 men with newly...

prostate cancer

Can Mindfulness-Based Cognitive Therapy Reduce Distress in Patients With Advanced Prostate Cancer?

Chambers et al found that a mindfulness-based cognitive therapy intervention did not improve measures of distress or anxiety vs minimally enhanced usual care among men with advanced prostate cancer, according to an Australian study reported in the Journal of Clinical Oncology. In the study, 189...

Prostate Cancer

Long-Term Effects of Finasteride in Patients From the Prostate Cancer Prevention Trial

In the Prostate Cancer Prevention Trial finasteride was found to reduce the risk of low-grade prostate cancer but to have no effect on overall survival. Results of the trial, in which 18,880 men were randomized to receive finasteride or placebo for 7 years, were reported in 2003. In a recent study...

Issues in Oncology
Lung Cancer
Gastrointestinal Cancer
Prostate Cancer
Colorectal Cancer

At ESMO 2016, Many Phase III Trials Fail to Meet Primary Endpoints

The 2016 European Society for Medical Oncology (ESMO) Congress revealed many important positive findings from key trials in a number of tumor types, but many highly anticipated phase III trials in advanced disease failed to meet their primary endpoints. The ASCO Post has summarized several of these ...

prostate cancer

NAALADL2 Marker for Aggressive Prostate Cancer May Also Serve as a Drug Target

Researchers have discovered that a marker found on aggressive prostate cancer cells could also be used as a way to guide treatments to the cancer, according to new research presented by Luxton et al at the 2016 National Cancer Research Institute (NCRI) Cancer Conference in Liverpool, United...

prostate cancer

Second Opinions From Urologists for Prostate Cancer: Do They Make a Difference?

A new analysis indicates that many men with prostate cancer obtain second opinions from urologists before starting treatment, but surprisingly, second opinions are not associated with changes in treatment choice or improvements in perceived quality of prostate cancer care. Published by...

prostate cancer

Adulthood BMI Increases Leading to Obesity Seem to Be Linked to an Increased Risk of Fatal Prostate Cancer

In a study of data from men in the Prostate, Lung, Colorectal, and Ovarian (PLCO) Cancer Screening Trial reported in the Journal of the National Cancer Institute, Kelly et al found that body mass index (BMI) increases during adulthood that lead to obesity are associated with an increased risk of...

prostate cancer

Potential Link Between Androgen-Deprivation Therapy for Prostate Cancer and Risk for Dementia

In a single-center analysis reported in JAMA Oncology, Nead et al found that the use of androgen-deprivation therapy for prostate cancer was associated with an increased risk for dementia. The study involved electronic medical record data from the Stanford University Health System from 1994 to...

prostate cancer
sarcoma

Link Between Molecular Mechanisms in Prostate Cancer and Ewing Sarcoma Found

Medical researchers at Indiana University (IU) Bloomington have found evidence for a link between prostate cancer, which affects millions of men aged 50 and older, and Ewing's sarcoma, a rare form of cancer that affects children and young adults. The results of the study, reported by Kedage et al...

prostate cancer

24-Gene Predictor of Response to Postoperative Radiotherapy in Prostate Cancer

In a matched retrospective analysis reported in The Lancet Oncology, Zhao et al identified and validated a 24-gene predictor of response to postoperative radiotherapy in prostate cancer. The analysis involved data from patients from five published U.S. studies (cohort, case-cohort, and...

Prostate Cancer

Similar Functional Outcomes With Robot-Assisted Laparoscopic and Open Radical Retropubic Prostatectomy

Robot-assisted laparoscopic prostatectomy and open radical retropubic prostatectomy yielded similar domain-specific quality-of-life or pathologic outcomes at 12 weeks in men with newly diagnosed, clinically localized prostate cancer, according to the results of a randomized phase III trial reported ...

Prostate Cancer

Prognostic and Predictive Molecular Subtypes of Prostate Cancer Identified

Members of the oncology community have long complained that prostate cancer lags behind breast cancer regarding biomarkers for prognosis and treatment, but the good news is that this gap is narrowing. In the largest study of its kind to date, presented at the 58th Annual Meeting of the American...

Prostate Cancer

Safety of Extreme Hypofractionation Reassuring in Intermediate-Risk Prostate Cancer

Giving patients larger fractions of radiation over shorter periods (ie, hypofractionation) is gaining ground in several types of cancers. This approach is attractive for patients’ convenience, shortening treatment and travel times, and also for resource utilization. Several studies have shown that ...

prostate cancer

Study Finds PFS Benefit, but No Overall Survival Benefit, for Ipilimumab in Metastatic Castration-Resistant Prostate Cancer

Ipilimumab (Yervoy) was associated with prolonged progression-free survival—but not overall survival—compared with placebo in men with asymptomatic or minimally symptomatic chemotherapy-naive metastatic castration-resistant prostate cancer without visceral metastases, according to a...

prostate cancer

Long-Term Effects of Finasteride in Patients From the Prostate Cancer Prevention Trial

In a study reported in the Journal of the National Cancer Institute, Unger et al found that use of finasteride vs placebo in the Prostate Cancer Prevention Trial was associated with a modestly increased risk of depression and a modestly reduced risk of procedures for benign prostatic...

prostate cancer

Christopher J. Sweeney, MBBS, on Prostate Cancer: CHAARTED Trial Follow-up

Christopher J. Sweeney, MBBS, of the Dana-Farber Cancer Institute, discusses how long-term study results showed no survival benefit in men with ogliometastatic prostate cancer. (Abstract 720PD)

prostate cancer

Christopher J. Sweeney, MBBS, on Localized Prostate Cancer: Metastasis-Free Survival as a Surrogate for Overall Survival

Christopher J. Sweeney, MBBS, of the Dana-Farber Cancer Institute, discusses how this early clinical endpoint will accelerate the development of new therapies for localized intermediate and high-risk prostate cancer. (Abstract 717O)

Prostate Cancer

Surgery and Radiation ProtecT Against Progression/Metastasis vs Active Monitoring in Prostate Cancer, but at What Cost?

The ProtecT trial showing similar 10-year survival with active monitoring, surgery, or radiotherapy for prostate-specific antigen (PSA)-detected localized prostate cancer but a greater risk of disease progression/metastasis with monitoring was recently reported by Hamdy and colleagues and is...

Prostate Cancer

Risk of Metastasis With Active Monitoring in PSA-Detected Localized Prostate Cancer: The ProtectT Trial

The ProtecT study findings1 are provocative. Despite having a control arm of active monitoring with serial prostate-specific antigen (PSA) testing, as compared with watchful waiting in the prior randomized trials (ie, SPCG-42 and PIVOT3), and also enrolling men with more favorable-risk disease...

Prostate Cancer

Similar 10-Year Survival With Active Monitoring, Surgery, or Radiotherapy for PSA-Detected Clinically Localized Prostate Cancer

In the UK ProtecT trial reported in The New England Journal of Medicine, Freddie C. Hamdy, FRCS, FMedSci, of the University of Oxford, and colleagues found no significant differences in prostate cancer–specific or overall mortality among men with clinically localized prostate cancer detected by...

prostate cancer
issues in oncology

Study Reports No Association Between Vasectomy and Prostate Cancer Incidence or Mortality

In an analysis of the Cancer Prevention Study II (CPS-II) study cohort reported in the Journal of Clinical Oncology, Jacobs et al found no significant association between vasectomy and overall prostate cancer incidence or mortality. A recent prospective study had shown an association of vasectomy...

prostate cancer

ASTRO 2016: Extremely Hypofractionated Radiation Therapy Shows Promising Toxicity Results for Intermediate-Risk Prostate Cancer

For men with intermediate-risk prostate cancer, side effects at 2 years following radiation therapy were comparable for extremely hypofractionated treatment, which was delivered in 7 fractions across 2.5 weeks, and conventional treatment of 39 fractions across 8 weeks, according to research...

prostate cancer

ASTRO 2016: SBRT Offers Patients With Prostate Cancer High Disease Control and Low Toxicity in Fewer Treatments

High-dose stereotactic body radiotherapy (SBRT) for men newly-diagnosed with low- or intermediate-risk prostate cancer results in shorter treatment times, low severe toxicity, and excellent cancer control rates, according to research presented by Meier et al at the 58th Annual Meeting of the...

prostate cancer

Paul L. Nguyen, MD, on Prostate Cancer: High-Risk Disease, Brachytherapy, And Hormones

Paul L. Nguyen, MD, of the Dana-Farber Cancer Institute, summarizes a session he moderated, which included talks on local recurrence following brachytherapy, long-term PSA stability after the procedure, and androgen deprivation and high-dose radiotherapy. (Scientific Session 41)

prostate cancer

ASTRO 2016: Three Novel Intrinsic Subtypes of Prostate Cancer Identified

In the largest study of its kind to date, researchers have identified and validated three distinct molecular subtypes of prostate cancer that correlate with distant metastasis-free survival and can assist in future research to determine how patients will respond to treatment, according to research...

prostate cancer

ASTRO 2016: Intermediate-Risk Prostate Cancer May Be Well Controlled With Brachytherapy Alone

For men with intermediate-risk prostate cancer, radiation treatment with brachytherapy alone can result in similar cancer control with fewer long-term side effects, when compared to more aggressive treatment that combines brachytherapy with external beam therapy (EBT), according to research...

prostate cancer

Patient-Reported Outcomes After Active Monitoring, Surgery, or Radiotherapy in PSA-Detected Localized Prostate Cancer

Patient-reported outcomes differed among men with localized prostate cancer detected by prostate-specific antigen (PSA) testing who were randomized to receive active monitoring, surgery, or radiotherapy in the UK ProtecT trial, according to a report by Donovan et al in The New England Journal of...

prostate cancer

ASTRO 2016: Hypofractionated Radiation Therapy Can Reduce Treatment Time With Comparable Quality of Life for Patients With Prostate Cancer

For men with early stage, low-risk prostate cancer, treatment with hypofractionated radiation therapy offers comparable health-related quality of life outcomes in one-third less treatment time than conventional radiation therapy, according to research presented by Watkins Bruner et al at the 58th...

prostate cancer

Bradley R. Prestidge, MD, on Prostate Cancer: Initial Findings of NRG Oncology/RTOG 0232

Bradley R. Prestidge, MD, of Bon Secours VA Health System, summarizes his plenary lecture on this phase III trial comparing combined external beam radiation and transperineal interstitial permanent brachytherapy with brachytherapy alone for selected patients with intermediate-risk prostate cancer. (Plenary Lecture 1, Presentation 7)

prostate cancer

Alan Pollack, MD, PhD, on Prostate Cancer: Postprostatectomy Radiotherapy

Alan Pollack, MD, PhD, of the University of Miami Health System, summarizes a session that included discussion of outcomes, dose response, oligometastatic disease, and gene predictor of response. (Presentations 228-235)

prostate cancer

Anders Widmark, MD, PhD, on Intermediate-Risk Prostate Cancer: Results From the HYPO-RT-PC Trial

Anders Widmark, MD, PhD, of the Umea University Hospital Oncology, discusses the early toxicity results from the phase III Scandinavian study on extreme hypofractionation vs conventionally fractionated radiotherapy for intermediate-risk prostate cancer. (Abstract LBA-5)

prostate cancer

Daniel Hamstra, MD, PhD, on Prostate Cancer: Decreasing Rectal Toxicity

Daniel A. Hamstra, MD, PhD, of Texas Oncology, discusses phase III findings on the use of an absorbable hydrogel spacer designed to decrease rectal toxicity and improve bowel quality of life for patients with prostate cancer. (Abstract LBA-6)

prostate cancer

Blood Biomarkers in Abiraterone- or Enzalutamide-Resistant Prostate Cancer Tumor Cells 

While searching for a noninvasive way to detect prostate cancer cells circulating in blood, Duke Cancer Institute researchers have identified some blood markers associated with tumor resistance to two common hormone therapies. In a study published by Gupta et al in Clinical Cancer Research, a team...

Prostate Cancer

Large Study Finds No Link Between Vasectomy and Prostate Cancer Risk

In a new study, men who underwent vasectomy did not have an increased risk of prostate cancer, nor were they more likely to die from prostate cancer than men who did not receive this procedure. According to the researchers, this is the largest prospective study of vasectomy and fatal prostate...

Prostate Cancer

Testosterone-Related Genetic Mutation Associated With Poorer Survival in Prostate Cancer

A collaborative Cleveland Clinic–Mayo Clinic team of researchers has shown for the first time that patients with advanced prostate cancer are more likely to die earlier of their disease if they carry a specific testosterone-related genetic abnormality. The findings, published by Hearn et al in The...

Prostate Cancer

Continuation of Docetaxel May Improve Survival in Metastatic Castration-Resistant Prostate Cancer

The number of docetaxel cycles completed was associated with improved overall survival among men with metastatic castration-resistant prostate cancer receiving docetaxel, prednisone, and lenalidomide (Revlimid) or docetaxel/prednisone, in the phase III Mainsail trial. de Morrée et al reported this ...

prostate cancer

Decline in Circulating Tumor Cell Count and Treatment Outcome in Advanced Prostate Cancer

A drop in the number of cancer cells detected in a patient’s blood could be the best indicator yet as to whether treatment for prostate cancer is working. A new study, published by Lorente et al in European Urology, shows that a 30% decline in a patient’s numbers of circulating tumor...

prostate cancer

Similar 10-Year Survival Reported With Active Monitoring, Surgery, or Radiotherapy for PSA-Detected Localized Prostate Cancer

In a UK trial (ProtecT) reported in The New England Journal of Medicine, Hamdy et al found no significant differences in prostate cancer–specific or overall mortality among men with localized prostate cancer detected by prostate-specific antigen (PSA) testing who underwent active monitoring,...

prostate cancer

PSA Failure Seems to Be Linked to Poorer Survival in Men With Unfavorable-Risk Prostate Cancer and No/Minimal Comorbidity

In an analysis of a clinical trial population reported in the Journal of Clinical Oncology, Giacalone et al found that prostate-specific antigen (PSA) failure was associated with an increased risk of mortality among men with unfavorable-risk prostate cancer who had no or minimal comorbidity burden. ...

Bladder Cancer
Kidney Cancer
Prostate Cancer

Multitude of Mentors Help Shape an Illustrious Career in Oncology

Sumanta K. Pal, MD, has had a longer career in oncology than many other colleagues his age. Perhaps the reason for that may center on his starting college at the age 13 and medical school at the age of 17. Today this internationally recognized leader in genitourinary cancers is Assistant Professor ...

prostate cancer

Continuation of Docetaxel May Improve Survival in Metastatic Castration-Resistant Prostate Cancer

The number of docetaxel cycles completed was associated with improved overall survival among men with metastatic castration-resistant prostate cancer receiving docetaxel, prednisone, and lenalidomide (Revlimid; DPL) or docetaxel/prednisone (DP), in the phase III Mainsail trial. de Morrée et...

Prostate Cancer

Hypofractionated Radiotherapy for Localized Prostate Cancer: A New Standard of Care?

For at least the past quarter of a century, radiobiologists and radiation oncologists have debated the role of hypofractionation (fewer total fractions with a higher dose per fraction) for prostate cancer. The debate stems from the unique radiobiology of prostate cancer and the best means to...

prostate cancer

Early-Stage Prostate Cancer Incidence Rates Decline, Distant-Stage Disease Rates Unchanged in 2013

Jemal et al described findings indicating a continued decline in the incidence of localized/regional-stage prostate cancer at 2 years after the U.S. Preventive Services Task Force recommendation against routine prostate-specific antigen (PSA) screening in men aged ≥ 50 years in 2011, in a letter ...

Prostate Cancer

European Studies Compare Conventional vs Hypofractionated Radiotherapy for Localized Prostate Cancer

Two recent European phase III trials with different study designs focused on hypofractionated vs conventional radiotherapy in localized prostate cancer. Investigators in the CHHiP trial1 showed that the hypofractionated approach is noninferior to standard fractionation, with no increase in side...

prostate cancer

HSD3B1 Allele May Be Associated With Resistance to Androgen-Deprivation Therapy and Poorer Outcome in Prostate Cancer

In a retrospective multicohort study reported in The Lancet Oncology, Hearn et al found that the inherited HSD3B1 (1245C) allele was significantly associated with resistance to androgen-deprivation therapy and poorer outcome in men with prostate cancer. HSD3B1 (1245A>C) has been linked to...

prostate cancer

PSA-Based Computational Model Predicts Time to Relapse After Prostate Cancer Surgery

Approximately one in four patients who undergo radical prostatectomy experience a cancer recurrence. Now a study by Stura et al investigating a prostate-specific antigen (PSA)-based computational model that uses four consecutive postsurgical PSA values has found the mathematical model to be highly...

prostate cancer

Novel MRI Technique Distinguishes Healthy Prostate Tissue From Cancer Using Zinc

A novel magnetic resonance imaging (MRI) method that detects low levels of zinc ion can help distinguish healthy prostate tissue from cancer, The University of Texas (UT) Southwestern Medical Center radiologists have determined. The findings were published by Clavijo Jordan et al in the Proceedings ...

Prostate Cancer

Hypofractionated Radiotherapy: Balancing Benefits vs Risks in Men With Localized Prostate Cancer

Radiation for prostate cancer typically requires 40 to 45 daily treatments, given over 8 to 9 weeks. Long fractionation schemes are chosen for most cancers, because they allow for tumor killing while reducing the potential for injury to normal tissue. However, the radiobiology of prostate cancer...

Prostate Cancer

Hypofractionated Radiotherapy Not Inferior to Conventional Radiotherapy in Low-Risk Prostate Cancer

In a phase III noninferiority trial (NRG Oncology RTOG 0415) reported in the Journal of Clinical Oncology, W. Robert Lee, MD, MS, Med, of Duke University Medical Center, and colleagues found that hypofractionated radiotherapy was not inferior to conventional radiotherapy in disease-free survival...

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