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prostate cancer

Stereotactic Body Radiation Therapy May Offer a Higher Cure Rate in Prostate Cancer Than More Traditional Approaches

A 5-year study published by Hannan et al in the European Journal of Cancer showed that stereotactic body radiation therapy (SBRT) to treat prostate cancer offers a higher cure rate than more traditional approaches, according to researchers at UT Southwestern Medical Center Harold C. Simmons...

prostate cancer

Severe Adverse Event Clusters Identified Using NCI Common Terminology Criteria

Using the National Cancer Institute’s Common Terminology Criteria for Adverse Events (CTCAE), researchers from Columbia University, New York, and Fred Hutchinson Cancer Research Center, Seattle, identified six severe adverse event clusters in patients with advanced prostate cancer. The clusters...

prostate cancer

Choline Kinase Alpha as Androgen Receptor Chaperone and Prostate Cancer Target

As reported in the Journal of the National Cancer Institute, Asim and colleagues found that choline kinase alpha (CHKA) acts as a chaperone for the androgen receptor (AR) and may serve as a therapeutic target in prostate cancer. CHKA expression was found to be androgen regulated in cell lines,...

prostate cancer

Active Surveillance Has Become Standard Care for Men With Low-Risk Localized Prostate Cancer

Active surveillance has been increasingly adopted as a standard approach for men with Gleason score ≤ 6 localized prostate cancer, with major guidelines and consensus statements encouraging this approach,1 including a recently published guideline from Cancer Care Ontario (CCO),2 and endorsement of...

prostate cancer

ASCO Endorses Cancer Care Ontario Guideline on Active Surveillance for Management of Localized Prostate Cancer

As reported by Ronald C. Chen, MD, MPH, of the University of North Carolina at Chapel Hill, and colleagues in the Journal of Clinical Oncology, ASCO has endorsed, with qualifications, the 2015 Cancer Care Ontario (CCO) guideline on active surveillance for management of localized prostate cancer....

prostate cancer

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

Hypofractionated radiotherapy was not inferior to conventional radiotherapy in terms of disease-free survival among men with low-risk prostate cancer, according to the results of the phase III NRG Oncology RTOG 0415 trial reported in the Journal of Clinical Oncology by Lee et al. However, it was...

prostate cancer

Preclinical Studies Show Many Androgen-Deprivation Therapies May Suppress Adaptive Immune Responses

Prostate cancer patients and their doctors may want to think twice about the best timing for chemotherapy or radiation therapy in conjunction with a common nonsurgical treatment, based on international research findings led by UT Southwestern Medical Center investigators. Researchers using mouse...

prostate cancer

Significantly Increased Risk of Noncancer Hospitalizations Following Diagnosis of Prostate Cancer in the Elderly

Elderly men had a significant increase in the risk of noncancer hospitalizations following the diagnosis of prostate cancer, according to a population-based retrospective cohort study conducted by Amit D. Raval, PhD, and colleagues at West Virginia University, Morgantown. Results were published in...

prostate cancer

Adding 6 Months of Androgen Suppression to Radiotherapy Improves Disease-Free Survival in Intermediate- and High-Risk Prostate Cancer

In the phase III EORTC 22991 trial reported in the Journal of Clinical Oncology, Bolla et al found that the addition of 6 months of androgen suppression to radiotherapy improved biochemical and clinical disease-free survival in patients with intermediate- and high-risk prostate cancer. Study...

prostate cancer

Decreased PSA Screening and Decreased Diagnosis of Early-Stage Prostate Cancer

Recent data indicate that the rate of prostate-specific antigen (PSA) screening and the rate of diagnosis of early-stage prostate cancer have decreased since a 2012 U.S. Preventive Services Task Force (USPSTF) statement (released in October 2011) gave a grade D recommendation against PSA...

prostate cancer

Throwing Out the Baby With the Bathwater: A Critical Appraisal of the USPSTF Recommendation Against Screening for Prostate Cancer

In 2012, the U.S. Preventive Services Task Force (USPSTF) issued a recommendation against routine screening for prostate cancer.1,2 The grade D recommendation was considered controversial at the time, and remains so now, because many stakeholders have weighed the same body of evidence and come to...

prostate cancer

Widely Cited Prostate-Specific Antigen Screening Publications Influence Biopsy Rates and Associated Complications

While absolute rates of biopsy and postbiopsy complications have decreased following several benchmark prostate-specific antigen (PSA) screening publications, the relative risk for each patient continues to increase, according to a new study by Mayo Clinic researchers. The study is the largest to...

prostate cancer

Lower Vitamin D Levels Associated With Adverse Pathology at Prostatectomy in Men With Localized Prostate Cancer

In a study reported in the Journal of Clinical Oncology, Nyame et al found that lower serum 25-hydroxyvitamin D (25-OH D) levels were associated with an increased likelihood of adverse pathology at radical prostatectomy in men with localized prostate cancer. Study Details The cross-sectional...

solid tumors
prostate cancer

Survival Differs With Metastatic Site in Castration-Resistant Prostate Cancer

Overall survival differed according to the site of metastases in men with castration-resistant prostate cancer, according to a meta-analysis reported in the Journal of Clinical Oncology by Halabi et al. Study Details The study involved data from 8,820 men who received docetaxel chemotherapy in...

prostate cancer

Enzalutamide Improves Progression-Free Survival vs Bicalutamide in Nonmetastatic and Metastatic Castration-Resistant Prostate Cancer

Treatment with enzalutamide (Xtandi) tripled median progression-free survival vs bicalutamide in patients with nonmetastatic or metastatic castration-resistant prostate cancer, according to the phase II STRIVE trial reported in the Journal of Clinical Oncology by Penson et al. Study Details In...

prostate cancer

New High-Intensity Focused Ultrasound Advances Treatment for Prostate Cancer

For the estimated 220,000 men who will be diagnosed with prostate cancer this year, deciding on a method of treatment can be a challenge. Some with early-stage cancer pursue active surveillance, while others with more severe cancer immediately pursue surgery, including prostatectomy. Others fall...

prostate cancer

Biomarkers in Prostate Cancer: PARP Inhibitors and Defects in DNA Repair

New data on molecular biomarkers in advanced prostate cancer are accumulating at a fast pace. The studies in this area can now be broadly grouped in two distinct areas—those that broadly relate to androgen signaling and those that relate to DNA-repair pathways. The Androgen-Signaling Pathway With...

prostate cancer

PARP Inhibitor Olaparib Produces High Response Rate in Metastatic Prostate Cancer With DNA-Repair Defects

In the TOPARP-A phase II trial reported in The New England Journal of Medicine, Joaquin Mateo, MD, of the Institute of Cancer Research and The Royal Marsden in London, and colleagues, found that the PARP inhibitor olaparib (Lynparza) produced a high response rate in patients with previously treated ...

prostate cancer

Hypofractionated Radiotherapy Not Noninferior to Standard Radiotherapy in Late Genitourinary and Gastrointestinal Toxicity in Prostate Cancer

Hypofractionated radiotherapy was not noninferior to conventionally fractionated radiotherapy in late genitourinary and gastrointestinal toxicity in patients with prostate cancer in the Dutch phase III HYPRO trial. These findings were reported by Aluwini et al in The Lancet Oncology. An earlier...

prostate cancer
supportive care

Severe Adverse Event Clusters Identified Using NCI Common Terminology Criteria in Advanced Prostate Cancer

Using the National Cancer Institute’s Common Terminology Criteria for Adverse Events (CTCAE), researchers from Columbia University, New York, and Fred Hutchinson Cancer Research Center, Seattle, identified six severe adverse events clusters in patients with advanced prostate cancer. The...

prostate cancer

Hypofractionation Is Ready for Prime Time in Prostate Cancer, but Will It Be Adopted?

Separate phase III trials presented at the 2016 Genitourinary Cancers Symposium demonstrated that modest hypofractionated radiotherapy is noninferior to conventional radiotherapy for men with intermediate- and low-risk prostate cancer and should be considered a new standard of care.1,2 However, it...

prostate cancer

Study Links Normal Stem Cells to Aggressive Prostate Cancer

A study that revealed new findings about prostate cells may point to future strategies for treating aggressive and therapy-resistant forms of prostate cancer. The study proved that the prostate basal cell layer contains adult stem cells, which possess a unique gene-expression profile resembling the ...

prostate cancer

Light Reflectance Technique May Improve Ability to Remove Prostate Cancer During Surgery

Researchers at UT Southwestern Medical Center have determined that light reflectance spectroscopy can differentiate between malignant and benign prostate tissue with 85% accuracy, a finding that may lead to real-time tissue analysis during prostate cancer surgery. These findings were reported...

prostate cancer

ASCO Endorses Cancer Care Ontario Guideline on Active Surveillance for Management of Localized Prostate Cancer

As reported by Ronald C. Chen, MD, MPH, of the University of North Carolina at Chapel Hill, and colleagues in the Journal of Clinical Oncology, ASCO has endorsed, with qualifications, the 2015 Cancer Care Ontario (CCO) guideline on active surveillance for management of localized prostate cancer....

prostate cancer

Active Holistic Surveillance May Prevent Unnecessary Biopsies in Low- and Low/Intermediate-Risk Prostate Cancer

The use of prostate-specific antigen (PSA) screening has led to a dramatic rise in the number of men diagnosed with low-grade prostate cancer. Active surveillance is recommended to manage patients with favorable-risk, low-grade prostate cancer, with the goal of avoiding overtreatment of these...

prostate cancer

New Technology to Characterize Circulating Tumor Cells Suggests Better Treatment Decision-Making in Prostate Cancer

An early study showed that an experimental blood test (ie, “liquid biopsy”) that characterizes the phenotype and genomic characteristics of circulating tumor cells appears to have utility in personalizing treatment decisions for individual men with advanced prostate cancer.1 The assay—developed and ...

prostate cancer

Study Finds Enzalutamide Increases Progression-Free Survival vs Bicalutamide in Metastatic Prostate Cancer

Use of the androgen receptor–inhibitor enzalutamide (Xtandi) more than doubled progression-free survival vs the nonsteroidal antiandrogen bicalutamide in patients with metastatic prostate cancer progressing on androgen-deprivation therapy, according to the randomized phase II TERRAIN trial...

prostate cancer

Similar Low Incidence of Bowel Symptoms With Hypofractionated vs Conventionally Fractionated Radiotherapy in Localized Prostate Cancer

As reported by Wilkins et al in The Lancet Oncology, 2-year patient-reported outcomes in a UK phase III trial (CHHiP) substudy have shown a similar low incidence of bowel problems among patients with intermediate-risk localized prostate cancer receiving hypofractionated vs conventionally...

solid tumors
prostate cancer

Increased Survival and Toxicity With Docetaxel, No Apparent Benefit of Zoledronic Acid in Prostate Cancer

As reported in The Lancet by James et al, results of the STAMPEDE trial, which used a multiarm, multistage seamless phase II/III design, showed increased survival and toxicity with docetaxel and little benefit of zoledronic acid when added to first-line long-term hormone therapy in patients with...

prostate cancer

Dose-Intensified vs Standard Salvage Radiation for Biochemically Recurrent Prostate Cancer After Prostatectomy

Initial results of a European phase III trial (SAKK 09/10), reported in the Journal of Clinical Oncology by Ghadjar et al of the Swiss Group for Clinical Cancer Research, showed little difference in acute toxicity with salvage radiotherapy of 70 vs 64 Gy in patients with biochemical recurrence of...

prostate cancer

Study Finds Association Between Androgen-Deprivation Therapy in Prostate Cancer and Risk of Alzheimer’s Disease

In a retrospective analysis reported in the Journal of Clinical Oncology, Nead et al found that use of androgen-deprivation therapy in the treatment of prostate cancer was associated with an increased risk of subsequent Alzheimer’s disease. Study Details In the study, a text-processing...

prostate cancer

Andrew J. Armstrong, MD, ScM, on New Treatment Options in Castration-Resistant Prostate Cancer

Andrew J. Armstrong, MD, ScM, of Duke Cancer Institute, discusses the recent practice-changing landmark studies that showed significant increases in survival for men with castration-resistant prostate cancer and led to updates in the NCCN Guidelines for this disease.

bladder cancer
prostate cancer

Derek Raghavan, MD, PhD: Roundup of Clinical Trial Results on Genitourinary Cancers

Derek Raghavan, MD, PhD, of the Levine Cancer Institute, gives his insights into key genitourinary cancer clinical trials presented at the 2015 ASCO Annual Meeting and his thoughts on where the research is headed.

prostate cancer

Nicholas David James, MD, PhD, and Celestia S. Higano, MD, on Results From the STAMPEDE Trial on Hormone-Naive Prostate Cancer

Celestia S. Higano, MD, of the University of Washington, and Nicholas David James, MD, PhD, of Warwick Medical School, discuss data showing improvements in survival from adding docetaxel in men starting long-term hormone therapy for the first time (Abstract 5001).

prostate cancer

Howard M. Sandler, MD, and Christopher Sweeney, MBBS, on Results of the RTOG 0521 Trial on Localized, High-Risk Prostate Cancer

Christopher Sweeney, MBBS, of Dana-Farber Cancer Institute, and Howard M. Sandler, MD, of Cedars-Sinai Medical Center, discuss the improvement of overall survival with the use of adjuvant chemotherapy following androgen suppression and radiotherapy (Abstract LBA5002).

prostate cancer

Christian Carrie, MD, and Celestia S. Higano, MD, on Results of the GETUG-AFU 16 Trial on Prostate Cancer

Christian Carrie, MD, of Centre Léon Bérard, and Celestia S. Higano, MD, of the University of Washington, discuss short hormonal therapy and radiotherapy as salvage treatment for relapse after radical prostatectomy (Abstract 5006).

prostate cancer

Howard I. Scher, MD, on the Prostate Cancer Working Group 3 Consensus

Howard I. Scher, MD, of Memorial Sloan Kettering Cancer Center, discusses the updated criteria that will guide clinical trial design and conduct for therapeutics being tested in castration-resistant prostate cancer (Abstract 5000).

prostate cancer

Howard M. Sandler, MD, Summarizes Results of the RTOG 0521 Trial on Localized, High-Risk Prostate Cancer

Howard M. Sandler, MD, of Cedars-Sinai Medical Center discusses the improvement of overall survival with the use of adjuvant chemotherapy following androgen suppression and radiotherapy (Abstract LBA5002).

prostate cancer

Christopher Sweeney, MBBS, Summarizes the ENZAMET and ENZARAD Trials for Prostate Cancer

Christopher Sweeney, MBBS, of Dana-Farber Cancer Institute discusses the EnzaMet and EnzaRad study designs, eligibility requirements, and endpoints (Abstracts TPS5077 and TPS5078).

survivorship
supportive care
prostate cancer

Christopher J. Recklitis, PhD, MPH, on The Risk of Suicide After a Cancer Diagnosis

Christopher J. Recklitis, PhD, MPH, of the Dana-Farber Cancer Institute, discusses what is known about suicide after cancer, the risks faced by prostate cancer patients within the first year after diagnosis, and challenges across the treatment trajectory

prostate cancer

A. Oliver Sartor, MD, on Results of the ALSYMPCA Trial for Castration-Resistant Prostate Cancer

A. Oliver Sartor, MD, of Tulane University School of Medicine, discusses the latest results of a clinical trial on radium-223 dichloride and the improvement in overall survival of men with advanced prostate cancer (Abstracts 2510, 2530).

head and neck cancer
prostate cancer

Bruce Minsky, MD, on Clinical Trial Results: The ASCENDE-RT Trial and a Multicenter Study on Prostate Cancer

Bruce Minsky, MD, of MD Anderson Cancer Center, discusses two important papers: results from a prospective trial on quality-of-life outcomes for low-risk HPV-associated oropharyngeal squamous cell carcinoma, and a prostate cancer radiation therapy study (Abstracts 3, 4).

prostate cancer

Anthony Zietman, MD, on Accelerating Treatment: RTOG 0415 Study on Prostate Cancer

Anthony Zietman, MD, of Massachusetts General Hospital, discusses the practice-changing results from a study comparing fractionation schedules in patients with low-risk prostate cancer (Abstract LBA6).

prostate cancer

Anthony Zietman, MD, on Hormonal Therapy and Salvage Radiation: Results of RTOG 9601

Anthony Zietman, MD, of Massachusetts General Hospital, discusses his perspective on the study of bicalutamide during and after radiotherapy in patients following radical prostatectomy and a biochemical relapse (Abstract LBA5).

prostate cancer

Howard M. Sandler, MD, on Prostate Cancer: Results of NRG Oncology/RTOG 9601

Howard M. Sandler, MD, of Cedars-Sinai Medical Center, discusses how adding 24 months of daily antiandrogen therapy during and after radiotherapy was shown to significantly improve long-term overall survival following prostate cancer recurrence after a radical prostatectomy (Abstract LBA5).

prostate cancer

James B. Yu, MD, on RTOG 0415: Fractionation Schedules in Patients With Low-Risk Prostate Cancer

James B. Yu, MD, of Yale School of Medicine, summarizes the plenary lecture on results from the NRG Oncology/phase III study comparing two fractionation schedules for low-risk prostate cancer (Abstract LBA6).

prostate cancer

Howard M. Sandler, MD, on Prostate Cancer: Results From RTOG 0415

Howard M. Sandler, MD, of Cedars-Sinai Medical Center, discusses this phase III noninferiority study comparing two fractionation schedules in patients with low-risk prostate cancer (Abstract LBA6).

prostate cancer

Christopher Brian Allard, MD, on Prostate Cancer Risk and Regular Aspirin Use

Christopher Brian Allard, MD, of Brigham & Women's Hospital, reports on results of the Physicians’ Health Study, which showed that regular aspirin use decreased the risk of lethal prostate cancer in a cohort of American doctors (Abstract 306).

prostate cancer

Maha Hussain, MD, on Prostate Cancer: Keynote Lecture

Maha Hussain, MD, of the University of Michigan, gives her expert perspective on changes in the treatment of hormone-naive disease.

prostate cancer

W. Robert Lee, MD, on Prostate Cancer: Results of the NRG Oncology RTOG 0415 Study

W. Robert Lee, MD, of Duke University, discusses this phase III non-inferiority study comparing two fractionation schedules in patients with low-risk prostate cancer (Abstract 1).

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