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Locally advanced prostate cancer

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https://www.readbyqxmd.com/read/28521078/the-evolution-of-uncertainty-in-second-opinions-about-prostate-cancer-treatment
#1
Marij A Hillen, Caitlin M Gutheil, Ellen M A Smets, Moritz Hansen, Terrence M Kungel, Tania D Strout, Paul K J Han
BACKGROUND: People who have cancer increasingly seek second opinions. Yet, we know little about what motivates patients to seek them and how beneficial they are. Uncertainty-experienced by patients or communicated by physician and patient-may be crucial throughout the second opinion process. OBJECTIVE: This study sought to investigate (1) how uncertainty influences men with prostate cancer to seek second opinions and (2) how second opinions may affect these patients' sense of uncertainty and subsequent experiences with their care...
May 18, 2017: Health Expectations: An International Journal of Public Participation in Health Care and Health Policy
https://www.readbyqxmd.com/read/28500233/nanoformulation-of-olaparib-amplifies-parp-inhibition-and-sensitizes-pten-tp53-deficient-prostate-cancer-to-radiation
#2
Anne L van de Ven, Shifalika Tangutoori, Paige Baldwin, Ju Qiao, Codi Gharagouzloo, Nina Seitzer, John G Clohessy, G Mike Makrigiorgos, Robert Cormack, Pier Paolo Pandolfi, Srinivas Sridhar
The use of PARP inhibitors in combination with radiation therapy is a promising strategy to locally enhance DNA-damage in tumors. Here we show that radiation-resistant cells and tumors derived from a Pten/Trp53-deficient mouse model of advanced prostate cancer are rendered radiation-sensitive following treatment with NanoOlaparib, a lipid-based injectable nanoformulation of Olaparib. This enhancement in radiosensitivity is accompanied by radiation dose-dependent changes in γ-H2AX expression and is specific to NanoOlaparib alone...
May 12, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28500118/isolated-prostate-cancer-soft-tissue-recurrence-10-years-after-radical-prostatectomy
#3
Munad Khan, Adee-Jonathan Davidson, Madeleine McKinley, Joseph Ischia
In advanced disease, prostate cancer is well known to invade locally as well as metastasise to distant locations. Metastases occur commonly in lymph nodes and bone but have also been known to involve certain visceral organs, particularly the lungs. Involvement of soft tissue by metastases is far less common, particularly in the context of cancer recurrence. We present the case of a male aged 68 years who presented with a rising prostate-specific antigen (PSA) 10 years after radical prostatectomy (RP). The PSA increased despite salvage radiotherapy and was ultimately found to be caused by a PSA secreting prostate cancer soft tissue mass in the suprapubic region...
May 12, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28493044/postoperative-upgrading-of-prostate-cancer-in-men-%C3%A2-75%C3%A2-years-a-propensity-score-matched-analysis
#4
Annika Herlemann, Alexander Buchner, Alexander Kretschmer, Maria Apfelbeck, Christian G Stief, Christian Gratzke, Stefan Tritschler
PURPOSE: Gleason score upgrading should be considered when indicating surgery in prostate cancer (PCa) patients. In elderly patients, definitive treatment of low-risk PCa must be weighed with the risks of overtreatment. Our aim was to evaluate rates of Gleason score upgrading in patients ≥75 years undergoing radical prostatectomy (RP) for localized PCa and to identify predictors associated with upgrading. METHODS: 3296 patients undergoing RP were retrospectively evaluated and categorized into age groups: <70 years (n = 2971) vs...
May 10, 2017: World Journal of Urology
https://www.readbyqxmd.com/read/28485391/magnetic-resonance-imaging-targeted-transperineal-prostate-biopsy-a-local-anaesthetic-approach
#5
E J Bass, I A Donaldson, A Freeman, C Jameson, S Punwani, C Moore, M Arya, M Emberton, H U Ahmed
BACKGROUND: Despite high rates of disease misclassification and sepsis, the use of transrectal biopsy remains commonplace. Transperineal mapping biopsies mitigate these problems but carry increased cost and patient burden. Local anaesthetic, multiparametric magnetic resonance imaging (MRI)-targeted transperineal biopsy may offer an alternative. Here, we aim to determine the feasibility, tolerability and detection rates of clinically significant prostate cancer using a local anaesthetic, transperineal, MRI-targeted biopsy technique...
May 9, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28484728/pretreatment-prostate-specific-antigen-doubling-time-as-prognostic-factor-in-prostate-cancer-patients
#6
Gennady M Zharinov, Oleg A Bogomolov, Natalia N Neklasova, Vladimir N Anisimov
Despite the prostate-specific antigen (PSA) serum level commonly uses as tumor marker in diagnosis of prostate cancer, it seems that PSA doubling time (PSADT) could be more useful indicator of tumor behavior and of prognosis for patients. The results of hormone and radiation therapy were evaluated for 912 prostate cancer having at least 2 PSA tests before the treatment was started. Clustering procedure (selection of homogenous group) was performed by using PSADT as the classification marker. The rate of PSADT was estimated for different dissemination rate, age, Gleasons's score and education level...
January 2017: Oncoscience
https://www.readbyqxmd.com/read/28476529/is-suspicious-upstaging-on-multiparametric-magnetic-resonance-imaging-useful-in-improving-the-reliability-of-prostate-cancer-research-international-active-surveillance-prias-criteria-use-of-the-k-cap-registry
#7
Sagnjun Yoo, Jun Hyuk Hong, Seok-Soo Byun, Ji Youl Lee, Byung Ha Chung, Choung-Soo Kim
BACKGROUND AND OBJECTIVE: To evaluate the clinical effects of suspicious upstaging on multiparametric magnetic resonance imaging (mpMRI) for improving the quality of Prostate Cancer Research International Active Surveillance (PRIAS) criteria. MATERIAL AND METHODS: A total of 363 patients with low-risk prostate cancer (PCa) were selected from the K-CaP registry (the multicenter Korean PCa Database). Patients were divided into 2 groups according to the results of mpMRI (with or without suspicious upstaging)...
May 2, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28473595/intra-individual-comparison-of-18-f-psma-1007-pet-ct-multi-parametric-mri-and-radical-prostatectomy-specimen-in-patients-with-primary-prostate-cancer-a-retrospective-proof-of-concept-study
#8
Claudia Kesch, Maria Vinsensia, Jan P Radtke, Heinz P Schlemmer, Martina Heller, Elena Ellert, Tim Holland-Letz, Stefan Duensing, Nils Grabe, Ali Afshar-Oromieh, Kathrin Wieczorek, Martin Schäfer, Oliver C Neels, Jens Cardinale, Clemens Kratochwil, Markus Hohenfellner, Klaus Kopka, Uwe Haberkorn, Boris A Hadaschik, Frederik L Giesel
Background:(68)Ga-prostate-specific membrane antigen (PSMA)-11-positron-emission-tomography (PET)/ computer-tomography (CT) represents an advanced method for staging of primary prostate cancer (PCa) and diagnosis of recurrent or metastatic PCa. However, due to the narrow availability of (68)Ga the development of alternative tracers is of high interest. Objective: To examine the value of the new PET tracer (18)F-PSMA-1007 for staging of local disease by comparing it to multiparametric magnetic resonance imaging (mpMRI) and radical prostatectomy (RP) histopathology...
May 4, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28471417/protease-expression-levels-in-prostate-cancer-tissue-can-explain-prostate-cancer-associated-seminal-biomarkers-an-explorative-concept-study
#9
Jochen Neuhaus, Eric Schiffer, Ferdinando Mannello, Lars-Christian Horn, Roman Ganzer, Jens-Uwe Stolzenburg
Previously, we described prostate cancer (PCa) detection (83% sensitivity; 67% specificity) in seminal plasma by CE-MS/MS. Moreover, advanced disease was distinguished from organ-confined tumors with 80% sensitivity and 82% specificity. The discovered biomarkers were naturally occurring fragments of larger seminal proteins, predominantly semenogelin 1 and 2, representing endpoints of the ejaculate liquefaction. Here we identified proteases putatively involved in PCa specific protein cleavage, and examined gene expression and tissue protein levels, jointly with cell localization in normal prostate (nP), benign prostate hyperplasia (BPH), seminal vesicles and PCa using qPCR, Western blotting and confocal laser scanning microscopy...
May 4, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28464733/evaluating-the-influence-of-organ-motion-during-photon-vs-proton-therapy-for-locally-advanced-prostate-cancer-using-biological-models
#10
Kia Busch, Andreas G Andersen, Oscar Casares-Magaz, Jørgen B B Petersen, Lise Bentzen, Sara Thörnqvist, Ludvig P Muren
BACKGROUND: Proton therapy (PT) may have a normal tissue sparing potential when co-irradiating pelvic lymph nodes in patients with locally advanced prostate cancer, but may also be more sensitive towards organ motion in the pelvis. Building upon a previous study identifying motion-robust proton beam angles for pelvic irradiation, we aimed to evaluate the influence of organ motion for PT using biological models, and to compare this with contemporary photon-based RT. MATERIAL AND METHODS: Eight locally advanced prostate cancer patients with a planning CT (pCT) and 8-9 repeated CT scans (rCTs) were included...
June 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28463149/duration-of-androgen-deprivation-in-locally-advanced-prostate-cancer-long-term-update-of-nrg-oncology-rtog-9202
#11
Colleen A F Lawton, Xiaolei Lin, Gerald E Hanks, Herbert Lepor, David J Grignon, Harmar D Brereton, Meena Bedi, Seth A Rosenthal, Kenneth L Zeitzer, Varagur M Venkatesan, Eric M Horwitz, Thomas M Pisansky, Harold Kim, Matthew B Parliament, Rachel Rabinovitch, Mack Roach, Young Kwok, James J Dignam, Howard M Sandler
PURPOSE: Trial RTOG 9202 was a phase 3 randomized trial designed to determine the optimal duration of androgen deprivation therapy (ADT) when combined with definitive radiation therapy (RT) in the treatment of locally advanced nonmetastatic adenocarcinoma of the prostate. Long-term follow-up results of this study now available are relevant to the management of this disease. METHODS AND MATERIALS: Men (N=1554) with adenocarcinoma of the prostate (cT2c-T4, N0-Nx) with a prostate-specific antigen (PSA) <150 ng/mL and no evidence of distant metastasis were randomized (June 1992 to April 1995) to short-term ADT (STAD: 4 months of flutamide 250 mg 3 times per day and goserelin 3...
June 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28462943/media-reporting-of-protect-a-disconnect-in-information-dissemination
#12
M E Westerman, B Bhindi, R Choo, M T Gettman, R J Karnes, L Klotz, S A Boorjian
BACKGROUND: Given the central role of the media in disseminating information to the public, we analyzed news coverage of the recent publication from ProtecT to assess views on treatment, the level of detail presented and degree of bias. METHODS: We applied a predefined search strategy to identify all news articles reporting on ProtecT within 30 days of its publication. Articles were independently assessed by two urologists and two lay persons using five-point Likert scales...
May 2, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28450562/double-targeting-ligands-with-modulated-pharmacokinetics-for-endoradiotherapy-of-prostate-cancer
#13
James M Kelly, Alejandro Amor-Coarasa, Anastasia Nikolopoulou, Till Wüstemann, Peter Barelli, Dohyun Kim, Clarence Williams, Xiwei Zheng, Cong Bi, Bao Hu, J David Warren, David S Hage, Stephen G DiMagno, John W Babich
PSMA-targeted radiotherapy of prostate cancer (PCa) has emerged recently as a promising approach to the treatment of disseminated disease. A small number of ligands have been evaluated in patients, and while early tumor response is encouraging, relapse rate is high, and these compounds localize to the parotid, salivary and lacrimal glands as well as the kidney, leading to dose-limiting toxicities and adverse events affecting quality of life. We envision that dual targeting ligands displaying high affinity for PSMA and appropriate affinity for human serum albumin (HSA) may demonstrate a higher therapeutic index and be suitable for treatment of PCa by targeted alpha therapy (TAT)...
April 27, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28445145/influence-of-serum-cholesterol-level-and-statin-treatment-on-prostate-cancer-aggressiveness
#14
Thomas J Schnoeller, Florian Jentzmik, Andres J Schrader, Julie Steinestel
Both cholesterol levels and the use of statins have been described to influence the development and prognosis of prostate cancer (PC). In this retrospective, cross-sectional analysis of consecutive cases from a tertiary referral center we evaluated an association between hypercholesterolemia (≥5.0mmol/l), the use of statins, and advanced/aggressive PC in 767 men with histologically confirmed, clinically localized PC awaiting radical prostatectomy. We found that patients with HCE (n=287, 37.4%) had a significantly higher incidence of poorly differentiated PC (Gleason score ≥7b, 81...
April 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28443142/effects-of-androgen-deprivation-therapy-on-hypercoagulability-in-prostate-cancer-patients-a-prospective-longitudinal-study
#15
Harmanpreet Kaur, D Robert Siemens, Angela Black, Sylvia Robb, Spencer Barr, Charles H Graham, Maha Othman
INTRODUCTION: Androgen-deprivation therapy (ADT) is the mainstay of systemic therapy for advanced prostate cancer (PCa), but has significant adverse effects, including increasing concern for cardiovascular (CV) and thromboembolic (TE) complications. This study carefully investigates any relationship between ADT use and hypercoagulability as a possible mechanism of these adverse effects. METHODS: We performed a prospective, longitudinal study in a cohort of patients with advanced PCa initiating ADT (n=18)...
January 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/28440320/a-review-of-pomegranate-in-prostate-cancer
#16
REVIEW
C J Paller, A Pantuck, M A Carducci
BACKGROUND: Preclinical studies showing that pomegranate juice and its components inhibit prostate cancer led to multiple clinical trials to determine whether pomegranate products could slow the growth of prostate cancer. This review summarizes the preclinical data and discusses the results of the clinical trials. METHODS: Trials targeted patients on active surveillance, neoadjuvant patients, patients with biochemical recurrence (BCR) following local therapy for prostate cancer, and patients with metastatic castration-resistant prostate cancer (mCRPC)...
April 25, 2017: Prostate Cancer and Prostatic Diseases
https://www.readbyqxmd.com/read/28433640/partial-gland-treatment-of-prostate-cancer-utilizing-high-intensity-focused-ultrasound-in-the-primary-and-salvage-setting-a-systematic-review
#17
REVIEW
Ron Golan, Adrien N Bernstein, Timothy D McClure, Art Sedrakyan, Neal A Patel, Dipen J Parekh, Leonard S Marks, Jim C Hu
PURPOSE: Advances in prostate imaging, biopsy and ablative technologies have been accompanied by growing enthusiasm for partial gland ablation, particularly using high-intensity focused ultrasound (HIFU) for treating prostate cancer. The preservation of non-cancerous prostate tissue and minimizing damage to the neurovascular bundles and external urethral sphincter may improve functional outcomes. MATERIALS AND METHODS: A systematic review was performed following the PRISMA guidelines using a combination of MeSH terms, free-text search, and review of relevant bibliographies using Medline and Embase from the inception of each database through October 10, 2016...
April 19, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28429951/-robotic-assisted-radical-prostatectomy-results-of-1500-surgeries
#18
J Kočárek, J Heráček, M Čermák, F Chmelík, M Matějková
INTRODUCTION: Prostate cancer is the most common malignant disease in men. The number of cases of prostate cancer has increased dramatically in recent 20 years. Radical prostatectomy is a surgical method for the first-line treatment of localised prostate cancer. We performed the first robotic-assisted radical prostatectomy on December 16th, 2005, achieved the boundary of 1000 robotic-assisted radical prostatectomies in 2012, and in 2015, we successfully completed the 1500th robotic-assisted operation on the prostate...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28426464/comparative-effectiveness-in-urology-a-state-of-the-art-review-utilizing-a-systematic-approach
#19
Jathin Bandari, Charles B Wessel, Bruce L Jacobs
PURPOSE OF REVIEW: Comparative effectiveness research plays a vital role in healthcare delivery by guiding evidence-based practices. We performed a state-of-the-art review of comparative effectiveness research in the urology literature for 2016, utilizing a systematic approach. Seven high-impact papers are reviewed in detail. RECENT FINDINGS: Across the breadth of urology, there were several important studies in comparative effectiveness research, of which we will highlight two randomized controlled trials and five observational trials: radiotherapy, prostatectomy, and active monitoring have equivalent mortality outcomes in patients with localized prostate cancer; the ideal modality of patient education is yet to be determined, and written education has minimal effect on patient perception of prostate specific antigen screening; robotic prostatectomy is associated with higher perioperative complication rates on a population basis; racial disparities exist in incontinence rates after treatment for localized prostate cancer, but not in irritative, bowel, or sexual function; androgen deprivation therapy is associated with higher fracture, peripheral artery disease, and cardiac-related complications than bilateral orchiectomy; robotic and open cystectomy offer comparable cancer-specific mortality and perioperative outcomes; and bonuses for low-cost hospitals can inadvertently reward low-quality hospitals...
April 19, 2017: Current Opinion in Urology
https://www.readbyqxmd.com/read/28424829/-mri-of-the-prostate
#20
D Nörenberg, O Solyanik, B Schlenker, G Magistro, B Ertl-Wagner, D A Clevert, C Stief, M F Reiser, M D'Anastasi
New clinical and technological advances in the field of magnetic resonance imaging (MRI) and targeted image-guided biopsy techniques have significantly improved the detection, localization and staging as well as active surveillance of prostate cancer in recent years. Multiparametric MRI (mpMRI) is currently the main imaging technique for the detection, characterization and diagnostics of metastasizing prostate cancer and is of high diagnostic importance for local staging within the framework of the detection of prostate cancer...
April 19, 2017: Der Urologe. Ausg. A
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