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Journal: Prostate Cancer and Prostatic Diseases
The dilemma that resulted from the widespread use of serum prostate-specific androgen (PSA) testing was the identification of a significant number of men with indolent pure red cell aplasia (PrCa). After a significant period of overtreatment, the implementation of active surveillance (AS) has partly solved that issue. However, 25-50 % of AS patients will undergo an intervention. The follow up is rather invasive including serum PSA and repeat biopsies.
Models based on clinical parameters can be used to predict repeat biopsy outcome, yet improved methods to asses the risk to predict adverse pathology are needed. Candidate tools are improved imaging and biomarkers. In the past decade, molecular urine biomarkers were introduced in clinical practice (i.e.Prostate Cancer Gene 3 (PCA3) and TMPRSS2 erg).
Stephen J. Freedland, MD
Stephen J. Freedland, MD, is director of the Center for Integrated Research in Cancer and Lifestyle and co-director of the Cancer Genetics and Prevention Program and Associate Director for Faculty Development at the Cedars-Sinai Samuel Oschin Comprehensive Cancer Institute. He is also a faculty physician in the Division of Urology within the Department of Surgery at Cedars-Sinai. He has served on numerous American Urological Association guideline panels for prostate cancer and co-chaired a prostate cancer guideline panel for the American Society of Clinical Oncology.
Dr. Freedland's clinical area of expertise focuses on urological diseases, particularly benign prostatic hyperplasia and prostate cancer. His approach toward cancer prevention and awareness focuses on treating the whole patient, not just the disease, by combining traditional Western medicine with complementary holistic interventions. His research interests include investigations on urological diseases and the role of diet, lifestyle and obesity in prostate cancer development and progression, as well as prostate cancer among racial groups and risk stratification for men with prostate cancer.
PCAN: October 2019
The Use of 68Ga-PET/CT PSMA to Determine Patterns of Disease for Biochemically Recurrent Prostate Cancer Following Primary Radiotherapy
Background - 68Ga-PET/CT PSMA scan is being increasingly used for the staging of biochemically recurrent disease. Early identification of recurrent disease after radiotherapy is important in considering suitability for early salvage therapy to improve prognosis. The aim is to identify patterns of suspected prostate cancer recurrence in relation to post-radiotherapy PSA levels, especially below the accepted Phoenix definition of PSA failure (PSA nadir + 2).
PCAN: September 2019
A Lifestyle Intervention of Weight Loss via a Low-Carbohydrate Diet Plus Walking to Reduce Metabolic Disturbances Caused by Androgen Deprivation Therapy Among Prostate Cancer Patients: Carbohydrate and Prostate Study 1 (CAPS1) Randomized Controlled TrialPurpose - The objective of this study was to test a low-carbohydrate diet (LCD) plus walking to reduce androgen deprivation therapy (ADT)-induced metabolic disturbances.
Materials and methods - This randomized multi-center trial of prostate cancer (PCa) patients initiating ADT was designed to compare an LCD (≤20g
PCAN: August 2019
Management of Recurrent Prostate Cancer After Radiotherapy: Longterm Results from CALGB 9687 (Alliance), a Prospective Multiinstitutional Salvage Prostatectomy Series - Full Text ArticleBackground - To evaluate efficacy and morbidity prospectively in a contemporary multi-institutional salvage radical prostatectomy (SRP) series.
Methods - Forty-one men were enrolled between 1997 and 2006, who suffered biopsy-proven recurrent prostate cancer (CaP) after receiving ≥ 60c Gy radiation as primary treatment for cT1–2NXM0 disease. Surgical morbidity, quality of life, biochemical progression-free survival (BPFS) and overall survival (OS) were evaluated.
PCAN: July 2019
Impact of Age, Comorbidity, and PSA Doubling Time on Long-Term Competing Risks for Mortality Among Men with Non-Metastatic Castration-Resistant Prostate Cancer - Full Text ArticleBackground - Understanding competing risks for mortality is critical in determining prognosis among men with nonmetastatic castration-resistant prostate cancer (nmCRPC), a disease state that often affects older men and has substantial heterogeneity in risk of cancer mortality. We sought to determine the impact of age, comorbidity, and PSA doubling time (PSADT) on competing risks for mortality in men with nmCRPC.
PCAN: June 2019
Prevalence of DNA Repair Gene Mutations in Localized Prostate Cancer According to Clinical and Pathologic Features: Association of Gleason Score and Tumor Stage - Full Text Article
Background - DNA repair gene mutations are present in 8–10% of localized prostate cancers. It is unknown whether this is influenced by clinicopathologic factors.
Methods - We interrogated localized prostate adenocarcinomas with tumor DNA sequencing information from the TCGA validated (n = 333) and Nature Genetics (n = 377) datasets. Homologous recombination repair genes included in our
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