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Showing 301 - 350Continuation 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...
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 ...
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...
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...
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 ...
Combining Radium-223 With Other Therapies May Be of Benefit in Metastatic Castration-Resistant Prostate Cancer
In an international, single-arm phase IIIB trial reported in The Lancet Oncology, Saad et al found benefit with the addition of abiraterone (Zytiga) or enzalutamide (Xtandi) to radium-223 (Xofigo) in patients with metastatic castration-resistant prostate cancer. This early-access program was...
Similar Functional Outcomes Reported 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 ...
Higher Exposure to Radical Local Treatment Linked to Lower Mortality in Men With Very High-Risk Prostate Cancer
Men with very high-risk prostate cancer treated at hospitals with a high proportion of administered radical local treatment (radiotherapy or prostatectomy) have half of the mortality risk of men who are treated at hospitals with the lowest proportions, according to a new study conducted by...
Hypofractionated Radiotherapy Not Inferior to Conventional Radiotherapy in Low-Risk Prostate Cancer
In a phase III noninferiority trial (NRG Oncology RTOG 0415) reported by Lee et al 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 hypofractionated...
Androgen-Deprivation Therapy May Increase Mortality in African American Men With Favorable-Risk Prostate Cancer
In a retrospective study analyzing patients' medical records, researchers at Brigham and Women's Hospital (BWH) found that race significantly affected longevity by increasing the likelihood of death after receiving androgen-deprivation therapy. These findings were published by Kovtun et al in...
Sociodemographic and Clinical Predictors of Switching to Active Treatment From Observational Management in Low-Risk Prostate Cancer
Although active surveillance for patients with low-risk prostate cancer has become an increasingly acceptable strategy for disease management, many men opt for definitive therapies such as radical prostatectomy or radiation therapy. A new study of more than 2,200 patients with low-risk prostate...
Patients With Low-Risk Prostate Cancer on Active Surveillance Experience Good Quality of Life
Active surveillance has become an increasingly important alternative to surgery, chemotherapy, or radiation treatment for men diagnosed with low-risk prostate cancer. However, what is the impact of active surveillance on health-related quality of life in patients selected or opting for this...
Early Evidence of Anti–PD-1 Activity in Enzalutamide-Resistant Prostate Cancer
Restoring tumor-specific immunity is a treatment strategy that works well in melanoma and lung cancer patients. Now a new study out of the Oregon Health & Science University (OSHU) Knight Cancer Institute is reviving hope that the approach also may help men with life-threatening prostate...
PET/MRI: A One-Stop Imaging Test to Detect Prostate Cancer?
A University of Michigan study published by Piert et al in The Journal of Nuclear Medicine reported that the addition of molecular imaging based on F-18-choline positron-emission tomography (PET) improves the identification of significant prostate cancer over multiparametric prostate magnetic...
Study Finds Incidence of Mutations in DNA-Repair Genes Significantly Higher in Men With Metastatic Prostate Cancer
The incidence of mutations in DNA-repair genes was significantly higher among men with metastatic prostate cancer than among men with localized disease (11.8% vs 4.6%), according to a study by Pritchard et al reported in The New England Journal of Medicine. In addition, the frequency ...
Mixed Results With Hypofractionated vs Conventional Radiotherapy for Localized Prostate Cancer
Investigators of two European phase III trials have reached different conclusions on whether hypofractionated radiotherapy should replace conventional radiotherapy as a new standard of treatment in localized prostate cancer. The CHHiP trial findings favoring hypofractionation were reported by David ...
Improved Survival Reported With Prostate Radiation Therapy Plus Androgen-Deprivation Therapy in Metastatic Prostate Cancer
The addition of prostate external-beam radiation therapy to androgen-deprivation therapy was associated with prolonged overall survival in men with newly diagnosed metastatic prostate cancer, according to a National Cancer Database analysis reported by Rusthoven et al in the Journal of Clinical...
Tasquinimod Improves Radiographic PFS but Not OS in Metastatic Castration-Resistant Prostate Cancer
In a phase III trial reported in the Journal of Clinical Oncology, Sternberg et al found that tasquinimod, an oral therapy targeting components of the tumor microenvironment, increased radiographic progression-free survival but not overall survival vs placebo in men with chemotherapy-naive...
SNMMI 2016: PET/CT Imaging of Prostate Cancer With Specific Agent May Be an Accurate Prebiopsy/Preoperative Guide
With surgical removal at the frontline of defense against prostate cancer, oncologists are considering prostate-specific molecular imaging at the point of initial biopsy and preoperative planning to root out the full extent of disease, researchers showed at the 2016 Annual Meeting of the Society of ...
A. Oliver Sartor, MD, and Celestia S. Higano, MD, on Findings of the FIRSTANA Trial in Prostate Cancer
A. Oliver Sartor, MD, of Tulane University, and Celestia S. Higano, MD, of the University of Washington, discuss findings from this phase III study on cabazitaxel vs docetaxel in chemotherapy-naive patients with metastatic castration-resistant prostate cancer (Abstract 5006).
FDA Approves New Diagnostic Imaging Agent to Detect Recurrent Prostate Cancer
On May 27, the U.S. Food and Drug Administration (FDA) approved fluciclovine F-18 (Axumin), a radioactive diagnostic agent for injection. Fluciclovine F-18 is indicated for positron-emission tomography (PET) imaging in men with suspected prostate cancer recurrence based on elevated...
French Trial Shows Benefit of Adding Short-Term Hormone Therapy to Salvage Radiotherapy for Rising PSA After Prostatectomy
In the phase III GETUG-AFU 16 trial reported in The Lancet Oncology, Carrie et al found that adding short-term androgen suppression therapy to salvage radiotherapy was associated with improved biochemical or clinical progression-free survival among patients with prostate cancer who exhibited rising ...
AUA 2016: IsoPSA, a Novel, Structure-Based Biomarker Test for Prostate Cancer, Explored in a Multicenter Prospective Trial
A promising new test is detecting prostate cancer more precisely than current tests by identifying molecular changes in the prostate-specific antigen (PSA) protein, according to Cleveland Clinic research presented at the 111th Annual Scientific Meeting of the American Urological Association (AUA)...
AUA 2016: Relationship Between Testosterone Therapy and Prostate Cancer Explored
Men with low levels of the male sex hormone testosterone need not fear that testosterone replacement therapy will increase their risk of prostate cancer. This is the finding of an analysis of more than a quarter-million medical records of mostly white men in Sweden, research led by investigators at ...
AUA 2016: Cell-Cycle Progression Score Provides Significant Prognostic Information in Patients With Gleason Score < 7
Myriad Genetics announced results from a study of the prognostic information provided by its Prolaris test in patients with prostate cancer and a Gleason score < 7 at the 111th Annual Scientific Meeting of the American Urological Association (AUA) (Abstract MP02-20). Prolaris is a novel 46-gene ...
AUA 2016: BRCA Gene Mutations Associated With Increased Prostate Cancer Risk
Though predominantly known for their increased associations with breast cancer risk, germline mutations in the BRCA1 and BRCA2 genes are also associated with an increased susceptibility to other diseases, including prostate cancer. New data being presented during the 111th Annual Scientific Meeting ...
AUA 2016: Adjuvant Chemotherapy After Radical Prostatectomy May Benefit Men at High Risk for Relapse
Not all men with prostate cancer benefit from adjuvant chemotherapy after radical prostatectomy; however, African American men and men with a higher tumor stage may, according to a new U.S. Department of Veterans Affairs (VA) study (Abstract PI LBA 06) featured at the 111th Annual Scientific...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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....
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...
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...
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...
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
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).
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).
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).
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).
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).
