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Prostate cancer radiotherapy

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https://www.readbyqxmd.com/read/29775698/prospective-randomized-controlled-trial-exploring-the-effect-of-tachosil%C3%A2-on-lymphocele-formation-after-extended-pelvic-lymph-node-dissection-in-prostate-cancer
#1
Sarah Buelens, Charles Van Praet, Filip Poelaert, Andries Van Huele, Karel Decaestecker, Nicolaas Lumen
OBJECTIVES: To explore whether TachoSil®, a hemostatic patch, can reduce the incidence of lymphocele formation. Development of a lymphocele is a frequent complication after pelvic lymph node dissection (PLND) for nodal staging in prostate cancer. MATERIALS AND METHODS: From 2013 - 2017, 100 patients with prostate cancer who were set to undergo a staging PLND before external beam radiotherapy (n = 50) or PLND concomitant with radical prostatectomy (RP) (n = 50) were prospectively randomized 1:1 between bilateral TachoSil® placement or not...
May 15, 2018: Urology
https://www.readbyqxmd.com/read/29774129/combined-abiraterone-acetate-plus-prednisone-salvage-prostate-bed-radiotherapy-and-lh-rh-agonists-carlha-gep12-in-biochemically-relapsing-prostate-cancer-patients-following-prostatectomy-a-phase-i-study-of-the-getug-gep
#2
Stéphane Supiot, Loic Campion, Pascal Pommier, Mélanie Dore, Clément Palpacuer, Séverine Racadot, Emmanuel Rio, Gérard A Milano, Céline Mahier-Ait Oukhatar, Christian Carrie
Background: To establish the maximum tolerated dose of abiraterone acetate plus prednisone (AA) combined with salvage radiotherapy (SRT) and goserelin in a phase 1 study in men with rising PSA following radical prostatectomy. Methods: AA was given during one month before SRT at 1000 mg PO once daily, then 750 mg (Dose Level 1, DL1) or 1000 mg (DL2) during 5 months combined with 6-months goserelin by injection on the first day of irradiation (scheme NEO) or one month before starting SRT (scheme CONCO)...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773955/survival-outcomes-of-radical-prostatectomy-and-external-beam-radiotherapy-in-clinically-localized-high-risk-prostate-cancer-a-population-based-propensity-score-matched-study
#3
Xiaobin Gu, Xianshu Gao, Ming Cui, Mu Xie, Mingwei Ma, Shangbin Qin, Xiaoying Li, Xin Qi, Yun Bai, Dian Wang
Objective: This study was aimed to compare survival outcomes in high-risk prostate cancer (PCa) patients receiving external beam radiotherapy (EBRT) or radical prostatectomy (RP). Materials and methods: The Surveillance, Epidemiology, and End Results (SEER) database was used to identify PCa patients with high-risk features who received RP alone or EBRT alone from 2004 to 2008. Propensity-score matching (PSM) was performed. Kaplan-Meier survival analysis was used to compare cancer-specific survival (CSS) and overall survival (OS)...
2018: Cancer Management and Research
https://www.readbyqxmd.com/read/29772621/-a-case-of-choroidal-and-brain-metastases-from-castration-resistant-prostate-cancer
#4
Shuko Yoneyama, Takahiko Watanabe, Tatsuaki Onuki, Kazuro Yabuki, Kotaro Suzuki
Choroidal and central nervous system metastases from prostate cancer are extremely rare. We report a case of choroidal and brain metastases from castration-resistant prostate cancer (CRPC). A 75-year-old male patient with metastatic CRPC presented with a 1-week history of a decrease in visual acuity in his left eye. An ophthalmoscopic examination revealed a choroidal tumor, 4 disc diameters across with serious retinal detachment. He was diagnosed with metastatic choroidal tumor from examination and patient's background...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29772077/a-feature-alignment-score-for-online-cone-beam-ct-based-image-guided-radiotherapy-for-prostate-cancer
#5
Catriona Hargrave, Timothy Deegan, Michael Poulsen, Tomasz Bednarz, Fiona Harden, Kerrie Mengersen
PURPOSE: To develop a method for scoring online cone-beam CT (CBCT)-to-planning CT image feature alignment to inform prostate image-guided radiotherapy (IGRT) decision-making. The feasibility of incorporating volume variation metric thresholds, predictive of delivering planned dose into weighted functions, was investigated. METHODS: Radiation therapists and radiation oncologists participated in workshops where they reviewed prostate CBCT-IGRT case examples and completed a paper-based survey of image feature matching practices...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29772061/an-image-guided-radiotherapy-decision-support-framework-incorporating-a-bayesian-network-and-visualization-tool
#6
Catriona Hargrave, Timothy Deegan, Tomasz Bednarz, Michael Poulsen, Fiona Harden, Kerrie Mengersen
PURPOSE: To describe a Bayesian network (BN) and complementary visualization tool, that aim to support decision-making during online cone-beam computed tomography (CBCT)-based image guide radiotherapy (IGRT) for prostate cancer patients. METHODS: The BN was created to represent relationships between observed prostate, proximal seminal vesicle (PSV), bladder and rectum volume variations, an image feature alignment score (FASTV _ OAR ), delivered dose and treatment plan compliance (TPC)...
May 17, 2018: Medical Physics
https://www.readbyqxmd.com/read/29770881/robot-assisted-laparoscopic-resection-of-clinical-t4b-tumours-of-distal-sigmoid-and-rectum-initial-results
#7
Rogier M P H Crolla, Janneke J C Tersteeg, George P van der Schelling, Jan H Wijsman, Jennifer M J Schreinemakers
BACKGROUND: Radical resection by multivisceral resection of colorectal T4 tumours is important to reduce local recurrence and improve survival. Oncological safety of laparoscopic resection of T4 tumours is controversial. However, robot-assisted resections might have advantages, such as 3D view and greater range of motion of instruments. The aim of this study is to evaluate the initial results of robot-assisted resection of T4 rectal and distal sigmoid tumours. METHODS: This is a cohort study of a prospectively kept database of all robot-assisted rectal and sigmoid resections between 2012 and 2017...
May 16, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29769060/biopro-rcmi-1505-trial-multicenter-study-evaluating-the-use-of-a-biodegradable-balloon-for-the-treatment-of-intermediate-risk-prostate-cancer-by-intensity-modulated-radiotherapy-study-protocol
#8
David Pasquier, Emilie Bogart, François Bonodeau, Thomas Lacornerie, Eric Lartigau, Igor Latorzeff
BACKGROUND: Prospective trials have demonstrated the advantage of dose-escalated radiotherapy for the biochemical and clinical control of intermediate risk prostate cancer. Dose escalation improves outcomes but increases risks of urinary and bowel toxicity. Recently the contribution of "spacers" positioned in the septum between the rectum and the prostate could improve the functional results of intensity modulated radiation therapy (IMRT). To date most of the evaluated devices were polyethylen glycol (PEG) and hyaluronic acid (HA)...
May 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29767237/a-novel-anti%C3%A2-proliferative-pentapeptide-ilymp-isolated-from-cyclina-sinensis-protein-hydrolysate-induces-apoptosis-of-du%C3%A2-145-prostate-cancer-cells
#9
Fangmiao Yu, Yaru Zhang, Lei Ye, Yunping Tang, Guofang Ding, Xiaojun Zhang, Zuisu Yang
Prostate cancer is the main causes of cancer associated mortality in men worldwide, cancer patients often suffer serious side effects when treated with chemotherapy or radiotherapy, therefore novel drugs are in high demand to treat prostate cancer. In the present study, a pentapeptide (Ile‑Leu‑Tyr‑Met‑Pro; ILYMP) with a molecular weight of 635.71 Da was isolated from the protein hydrolysate of Cyclina sinensis via ultrafiltration and chromatographic methods, and subsequently named Cyclina sinensis pentapeptide (CSP)...
May 14, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29765147/systemic-treatments-for-high-risk-localized-prostate-cancer
#10
REVIEW
Géraldine Pignot, Denis Maillet, Emmanuel Gross, Philippe Barthelemy, Jean-Baptiste Beauval, Friederike Constans-Schlurmann, Yohann Loriot, Guillaume Ploussard, Paul Sargos, Marc-Olivier Timsit, Sébastien Vincendeau, Gilles Pasticier, Delphine Borchiellini
The majority of patients with prostate cancer who later develop lethal metastatic disease have high-risk localized disease at presentation, emphasizing the importance of effective treatment strategies at this stage. Multimodal treatment approaches that combine systemic and local therapies offer a promising strategy for improving the clinical outcomes of patients with high-risk localized prostate cancer. Combinations of neoadjuvant and adjuvant chemotherapy, hormonal therapy, or chemohormonal therapy are considered to be the standard of care in most solid tumours and should be investigated in the future for the treatment of prostate cancer to improve patient outcomes...
May 15, 2018: Nature Reviews. Urology
https://www.readbyqxmd.com/read/29764692/combined-high-dose-rate-brachytherapy-and-external-beam-radiotherapy-for-clinically-localised-prostate-cancer
#11
Iosif Strouthos, Georgios Chatzikonstantinou, Nikolaos Zamboglou, Natasa Milickovic, Sokratis Papaioannou, Dimitra Bon, Constantinos Zamboglou, Claus Rödel, Dimos Baltas, Nikolaos Tselis
PURPOSE: To report the clinical outcomes and treatment-related toxicities after combined high-dose-rate (HDR) brachytherapy (BRT) with external beam radiotherapy (EBRT) for patients with clinically localised high-risk prostate cancer. MATERIAL AND METHODS: Between 2008 and 2012, three hundred and three consecutive patients with organ-confined high-risk prostate cancer were treated with definitive radiotherapy consisting of HDR-BRT followed by supplemental EBRT. The transrectal 3D-ultrasound-based HDR-BRT boost consisted of two single-fraction implants of 10...
May 12, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29764515/long-term-outcome-of-a-moderately-hypofractionated-intensity-modulated-radiotherapy-approach-using-an-endorectal-balloon-for-patients-with-localized-prostate-cancer
#12
Bin S Teh, Gary D Lewis, Weiyuan Mai, Ramiro Pino, Hiromichi Ishiyama, Edward Brian Butler
BACKGROUND: Technical advances in radiotherapy delivery have simultaneously enabled dose escalation and enhanced bladder and rectal sparing. However, the optimal radiation fractionation regimen for localized prostate cancer is unclear. Laboratory and clinical evidence suggest that hypofractionation may improve the therapeutic ratio of radiotherapy. We report our institutional outcomes using moderately hypofractionated, intensity-modulated radiotherapy (IMRT), and an endorectal balloon, with emphasis on long-term biochemical control and treatment-related adverse events in patients with localized prostate cancer...
April 17, 2018: Cancer communications
https://www.readbyqxmd.com/read/29764181/symptom-clusters-using-the-eortc-qlq-c15-pal-in-palliative-radiotherapy
#13
Vithusha Ganesh, Liying Zhang, Bo Angela Wan, Leah Drost, May Tsao, Elizabeth Barnes, Carlo DeAngelis, Hans Chung, Patrick Diaz, Edward Chow
BACKGROUND: Patients with advanced cancer often experience a multitude of symptoms. Due to the potential interrelation of symptoms, symptom clusters of 2 or more concurrent symptoms have been advocated for use in the palliative setting to provide better management of symptoms. METHODS: The principal component analysis (PCA), exploratory factor analysis (EFA) and hierarchal cluster analysis (HCA) were conducted on responses to items 1-14 in the European Organisation for Research and Treatment of Cancer Quality of Life-C15-Palliative (EORTC QLQ-C15-PAL) at baseline and days 5 and 10 following RT...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29762048/theranostics-of-prostate-cancer-from-molecular-imaging-to-precision-molecular-radiotherapy-targeting-the-prostate-specific-membrane-antigen
#14
Harshad R Kulkarni, Aviral Singh, Thomas Langbein, Christiane Schuchardt, Dirk Mueller, Jingjing Zhang, Coline Lehmann, Richard P Baum
Alterations at the molecular level are a hallmark of cancer. Prostate cancer is associated with the overexpression of prostate specific membrane antigen (PSMA) in a majority of cases, predominantly in advanced tumors, increasing with the grade or Gleason's score. PSMA can be selectively targeted using radiolabelled PSMA ligands. These small molecules binding the PSMA can be radiolabelled with gamma-emitters like 99m Tc and 111 In or positron emitters like 68 Ga and 18 F for diagnosis as well as with their theranostic pairs such as 177 Lu (beta-emitter) or 225 Ac (alpha-emitter) for therapy...
May 15, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29761275/quantitative-transrectal-shear-wave-elastography-undergoing-salvage-extraperitoneal-laparoscopic-radical-prostatectomy-following-failed-radiotherapy
#15
Cheng Wei, Magdalena Szewczyk-Bieda, Paddy Nibblok, E Brown, Stephen Lang, Ghulam Nabi
BACKGROUND: To evaluate pre-surgical quantitative transrectal shear wave elastography (SWE) in the detection and characterisation of radioresistant prostate cancer. METHODS: Twelve men with recurrent prostate cancer following external beam radiotherapy were included in a prospective protocol-driven study. All underwent MR imaging and quantitative shear wave elastographic assessment of recurrent disease prior to salvage laparoscopic radical prostatectomy procedures...
May 14, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29757474/automated-patient-specific-transperineal-ultrasound-probe-setups-for-prostate-cancer-patients-undergoing-radiotherapy
#16
Saskia Maria Camps, Frank Verhaegen, Ben G L Vanneste, Peter H N de With, Davide Fontanarosa
PURPOSE: The use of ultrasound imaging is not widespread in prostate cancer radiotherapy workflows, despite several advantages (e.g. allowing real-time volumetric organ tracking). This can be partially attributed to the need for a trained operator during acquisition and interpretation of the images. We introduce and evaluate an algorithm that can propose a patient-specific transperineal ultrasound probe setup, based on a CT scan and anatomical structure delineations. The use of this setup during the simulation and treatment stage could improve usability of ultrasound imaging for relatively untrained operators (radiotherapists with less than one year experience with ultrasound)...
May 14, 2018: Medical Physics
https://www.readbyqxmd.com/read/29754073/fertility-preservation-and-cancer-how-many-persons-are-concerned
#17
Christine Le Bihan-Benjamin, Natalie Hoog-Labouret, Delphine Lefeuvre, Frédérique Carré-Pigeon, Philippe Jean Bousquet
OBJECTIVE: A significant proportion of cancer survivors experience chronic health sequelae, one of them being fertility impairment. However, even if many reports, guidelines and positions papers focus on fertility preservation and its needs, access to fertility preservation is not currently offered to all the patients concerned, and the targeted population is not well counted. STUDY DESIGN: A cross sectional study was conducted using the French cancer cohort, a cohort covering the whole French population and including around 7 million of cancer patients...
May 8, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29753551/development-of-quality-indicators-to-monitor-radiotherapy-care-for-men-with-prostate-cancer-a-modified-delphi-method
#18
Ellie Tsiamis, Jeremy Millar, Siddhartha Baxi, Martin Borg, Paolo De Ieso, Hany Elsaleh, Farshad Foroudi, Braden Higgs, Tanya Holt, Jarad Martin, Kim Moretti, David Pryor, Marketa Skala, Sue Evans
BACKGROUND AND PURPOSE: Quality indicators (QIs) have been developed for many aspects of prostate cancer care, but are under-developed with regard to radiotherapy treatment. We aimed to develop a valid, relevant and feasible set of core QIs to measure quality of radiotherapy care in men with prostate cancer. MATERIALS AND METHODS: We used a RAND-modified Delphi process to select QIs that were regarded as both important and feasible measures of quality radiotherapy care...
May 9, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29752647/multiparametric-magnetic-resonance-imaging-versus-partin-tables-and-the-memorial-sloan-kettering-cancer-center-nomogram-in-risk-stratification-of-patients-with-prostate-cancer-referred-to-external-beam-radiation-therapy
#19
Rossano Girometti, Martina Pancot, Marco Andrea Signor, Martina Urbani, Luca Balestreri, Chiara Zuiani
PURPOSE: To evaluate the agreement between multiparametric Magnetic Resonance Imaging (mpMRI), Partin tables (PT) and the Memorial Sloan Kettering Cancer Center nomogram (MSKCCn) in assessing risk category in prostate cancer (PCa) patients referred to External Beam Radiotherapy (EBRT). MATERIALS AND METHODS: In this bicentric study, we prospectively enrolled 80 PCa patients who underwent pre-EBRT mpMRI on a 3.0T magnet with a multiparametric protocol including high-resolution, multiplanar T2-weighted sequences, diffusion-weighted imaging and dynamic contrast-enhanced imaging...
May 12, 2018: La Radiologia Medica
https://www.readbyqxmd.com/read/29752513/oligorecurrent-prostate-cancer-limited-to-lymph-nodes-getting-our-ducks-in-a-row-nodal-oligorecurrent-prostate-cancer
#20
Andrei Fodor, Andrea Lancia, Francesco Ceci, Maria Picchio, Morten Hoyer, Barbara Alicja Jereczek-Fossa, Piet Ost, Paolo Castellucci, Elena Incerti, Nadia Di Muzio, Gianluca Ingrosso
PURPOSE: Oligorecurrent prostate cancer with exclusive nodal involvement represents a common state of disease, amenable to local therapy. New radio-labeled tracers have enriched the possibility of cancer detection and treatment. In this review, we aim to illustrate the main nuclear medicine diagnostic options and the role of radiotherapy in this setting of patients. METHODS: We performed a PubMed search referring to the PRISMA guidelines to analyze the performance of PSMA- and choline-PET in detecting oligorecurrence limited to lymph nodes, and to review the main studies supporting either ablative stereotactic body radiotherapy or regional lymph node irradiation in this clinical setting...
May 11, 2018: World Journal of Urology
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