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Simultaneous integrated boost

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https://www.readbyqxmd.com/read/28893059/dosimetric-advantages-and-clinical-outcomes-of-simultaneous-integrated-boost-intensity-modulated-radiotherapy-for-anal-squamous-cell-carcinoma
#1
Katsuyuki Sakanaka, Satoshi Itasaka, Yuichi Ishida, Kota Fujii, Takahiro Horimatsu, Takashi Mizowaki, Yoshiharu Sakai, Masahiro Hiraoka
Purpose: The purpose of this study was to explore the dosimetric difference between simultaneous integrated boost intensity-modulated radiotherapy (SIB-IMRT) and three-dimensional conformal radiotherapy (3DCRT), and the clinical outcomes of anal squamous cell carcinoma (ASCC) chemoradiotherapy featuring SIB-IMRT. Materials and Methods: This study included ten patients with ASCC who underwent chemoradiotherapy using SIB-IMRT with 5-fluorouracil and mitomycin C. SIB-IMRT delivered 54 Gy to each primary tumor plus metastatic lymph nodes and 45 Gy to regional lymph nodes, in 30 fractions...
September 15, 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/28879459/hypofractionated-radiotherapy-with-simultaneous-integrated-boost-sib-plus-temozolomide-in-good-prognosis-patients-with-glioblastoma-a-multicenter-phase-ii-study-by-the-brain-study-group-of-the-italian-association-of-radiation-oncology-airo
#2
Silvia Scoccianti, Marco Krengli, Livia Marrazzo, Stefano Maria Magrini, Beatrice Detti, Vincenzo Fusco, Luigi Pirtoli, Daniela Doino, Alba Fiorentino, Laura Masini, Daniela Greto, Michela Buglione, Giovanni Rubino, Federico Lonardi, Fernanda Migliaccio, Salvino Marzano, Riccardo Santoni, Umberto Ricardi, Lorenzo Livi
INTRODUCTION: A multicenter phase II study for assessing the efficacy and the toxicity of hypofractionated radiotherapy with SIB plus temozolomide in patients with glioblastoma was carried out by the Brain Study Group of the Italian Association of Radiation Oncology. METHODS: Twenty-four patients with newly diagnosed glioblastoma belonging to Recursive Partitioning Analysis classes III and IV were enrolled. The prescribed dose was 52.5 Gy in 15 fractions of 3.5 Gy and 67...
September 6, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28876533/multi-objective-optimization-of-benzamide-derivatives-as-rho-kinase-inhibitors
#3
Giovanna Cardoso Gajo, Daniela Rodrigues Silva, Stephen J Barigye, Elaine Fontes Ferreira da Cunha
Despite recent advances in Computer Aided Drug Discovery and High Throughput Screening, the attrition rates of drug candidates continue to be high, underscoring the inherent complexity of the drug discovery paradigm. Indeed, a compromise between several objectives is often required to obtain successful clinical drugs. The present manuscript details a multi-objective workflow that integrates the 4D-QSAR and molecular docking methods in the simultaneous modeling of the Rho Kinase inhibitory activity and acute toxicity of Benzamide derivatives...
September 6, 2017: Molecular Informatics
https://www.readbyqxmd.com/read/28856848/image-guided-imrt-with-simultaneous-integrated-boost-as-per-rtog-0529-for-the-treatment-of-anal-cancer
#4
Francesca Arcadipane, Pierfrancesco Franco, Manuela Ceccarelli, Gabriella Furfaro, Nadia Rondi, Elisabetta Trino, Stefania Martini, Giuseppe Carlo Iorio, Massimiliano Mistrangelo, Paola Cassoni, Patrizia Racca, Mario Morino, Umberto Ricardi
AIM: To report on clinical outcomes of simultaneous integrated boost intensity-modulated radiation therapy (IMRT) and concurrent chemotherapy as per Radiation Therapy Oncology Group (RTOG) 0529 protocol in anal cancer patients. METHODS: Clinical stage T1-T4 N0-N3 anal cancer patients were submitted to concomitant chemoradiation. Patients with cT2N0 disease were prescribed 50.4 Gy/28 fractions to the gross tumor planning target volume (PTV) and 42 Gy/28 fractions to the elective nodal PTV...
August 30, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28832174/-intensity-modulated-hyperfractionated-accelerated-radiotherapy-to-treat-advanced-head-and-neck-cancer-predictive-factors-of-overall-survival
#5
J Cvek, L Knybel, J Stránský, P Matoušek, O Res, K Zeleník, B Otáhal, L Molenda, E Skácelíková, N Stieberová, Z Čermáková, D Feltl
AIM: The aim of this study was to evaluate overall survival (OS) and prognostic factors in patients ineligible for chemotherapy who were treated with a hyperfractionated accelerated schedule with simultaneous integrated boost. MATERIAL AND METHODS: From May, 2008, to April, 2013, 122 patients with locally advanced nonmetastatic squamous laryngeal (14%), hypopharyngeal (30%), oropharyngeal (30%), and oral cavity (27%) cancer were treated at our institution. The median age, Karnofsky Performance Status (KPS), and gross tumor volume (GTV) of the patients were 63 years (range, 46-87 years), 80% (range, 50-100%), and 46 ml (range, 5-250 ml), resp...
2017: Klinická Onkologie: Casopis Ceské a Slovenské Onkologické Spolecnosti
https://www.readbyqxmd.com/read/28830475/preoperative-intensity-modulated-radiotherapy-with-a-simultaneous-integrated-boost-combined-with-capecitabine-in-locally-advanced-rectal-cancer-short-term-results-of-a-multicentric-study
#6
Marco Lupattelli, Fabio Matrone, Maria Antonietta Gambacorta, Mattia Osti, Gabriella Macchia, Elisa Palazzari, Luca Nicosia, Federico Navarria, Giuditta Chiloiro, Vincenzo Valentini, Cynthia Aristei, Antonino De Paoli
BACKGROUND: Preoperative radiotherapy (RT) in combination with fluoropyrimidine-based chemotherapy (CT) is the standard of care in patients with locally advanced, T3-T4 N0-2, rectal cancer (LARC). Given the correlation between RT dose-tumor response and the prognostic role of the tumor regression grade (TRG), treatment intensification represents an area of active investigation. The aim of the study was to analyze the role of RT dose-intensification in the preoperative treatment of LARC in terms of feasibility, efficacy and toxicity...
August 22, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28814136/hybrid-core-shell-nanoparticles-entrapping-gd-dtpa-and-18-f-fdg-for-simultaneous-pet-mri-acquisitions
#7
Donatella Vecchione, Marco Aiello, Carlo Cavaliere, Emanuele Nicolai, Paolo Antonio Netti, Enza Torino
AIM: Although there has been an improvement in the hardware and software of the PET/MRI system, the development of the nanoprobes exploiting the simultaneous acquisition of the bimodal data is still under investigation. Moreover, few studies on biocompatible and clinically relevant probes are available. This work presents a core-shell polymeric nanocarrier with improved relaxometric properties for simultaneous PET/MRI acquisitions. MATERIALS & METHODS: Core-shell nanoparticles entrapping the Gd-DTPA and (18)F-FDG are obtained by a complex coacervation...
August 17, 2017: Nanomedicine
https://www.readbyqxmd.com/read/28794640/volumetric-modulated-arc-therapy-for-treatment-of-solid-tumors-current-insights
#8
REVIEW
Gabriella Macchia, Francesco Deodato, Savino Cilla, Silvia Cammelli, Alessandra Guido, Martina Ferioli, Giambattista Siepe, Vincenzo Valentini, Alessio Giuseppe Morganti, Gabriella Ferrandina
AIM: This article discusses the current use of volumetric modulated arc therapy (VMAT) techniques in clinical practice and reviews the available data from clinical outcome studies in different clinical settings. An overview of available literature about clinical outcomes with VMAT stereotactic/radiosurgical treatment is also reported. MATERIALS AND METHODS: All published manuscripts reporting the use of VMAT in a clinical setting from 2009 to November 2016 were identified...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28793907/risk-adapted-dose-intensified-postoperative-radiation-therapy-in-prostate-cancer-patients-using-a-simultaneous-integrated-boost-technique-applied-with-helical-tomotherapy
#9
Marcus Beck, Peter Wust, Tomasz Barelkowski, David Kaul, Alexander-Henry Thieme, Sascha Wecker, Waldemar Wlodarczyk, Volker Budach, Pirus Ghadjar
BACKGROUND: Postoperative adjuvant radiation therapy (ART) in T3 and R1 prostate cancer as well as salvage radiation therapy (SRT) in case of postoperative biochemical failure (BF) are established treatments. Dose-intensified postoperative radiation therapy (RT) schemes have shown superior biochemical control accompanied by increased toxicity rates. In our study we evaluate a novel risk adapted dose-intensified postoperative RT scheme. METHODS: A consecutive series of prostate cancer patients receiving postoperative RT after radical prostatectomy using helical Tomotherapy between 04/2012 and 04/2015 was analyzed retrospectively...
August 10, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28766726/a-novel-3d-printed-phantom-insert-for-4d-pet-ct-imaging-and-simultaneous-integrated-boost-radiotherapy
#10
Laura Cerviño, Dima Soultan, Mariel Cornell, Adam Yock, Niclas Pettersson, William Y Song, Joseph Aguilera, Sunil Advani, James Murphy, Carl Ho, Claude James, Anthony Paravati, Robin Coope, Bradford Gill, Vitali Moiseenko
PURPOSE: To construct a 3D-printed phantom insert designed to mimic the variable PET tracer uptake seen in lung tumor volumes and a matching dosimetric insert to be used in simultaneous integrated boost (SIB) phantom studies, and to evaluate the design through end-to-end tests. METHODS: A set of phantom inserts was designed and manufactured for a realistic representation of gated radiotherapy steps from 4D PET/CT scanning to dose delivery. A cylindrical phantom (φ80x120 mm) holds inserts for PET/CT scanning...
August 2, 2017: Medical Physics
https://www.readbyqxmd.com/read/28755327/comorbidities-and-intensity-modulated-radiotherapy-with-simultaneous-integrated-boost-in-elderly-breast-cancer-patients
#11
Alba Fiorentino, Rosario Mazzola, Niccolò Giaj Levra, Sergio Fersino, Francesco Ricchetti, Gioacchino Di Paola, Stefania Gori, Alberto Massocco, Filippo Alongi
PURPOSE: To evaluate the impact of comorbidity assessment on compliance to intensity modulated radiotherapy with simultaneous integrated boost (SIB-IMRT) in elderly patients affected by early stage breast cancer (BC). MATERIALS AND METHODS: 40 consecutive patients were treated with SIB-IMRT (50 Gy in 25 fractions to the whole breast, and simultaneously 60 Gy to the surgical bed) for invasive BC after conserving surgery. Inclusion criteria were: age ≥ 70 years, pT1-2 disease, pN0-1, no neoadjuvant chemotherapy, non-metastatic disease...
July 28, 2017: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/28750284/reviewing-bayesian-networks-potentials-for-climate-change-impacts-assessment-and-management-a-multi-risk-perspective
#12
REVIEW
Anna Sperotto, José-Luis Molina, Silvia Torresan, Andrea Critto, Antonio Marcomini
The evaluation and management of climate change impacts on natural and human systems required the adoption of a multi-risk perspective in which the effect of multiple stressors, processes and interconnections are simultaneously modelled. Despite Bayesian Networks (BNs) are popular integrated modelling tools to deal with uncertain and complex domains, their application in the context of climate change still represent a limited explored field. The paper, drawing on the review of existing applications in the field of environmental management, discusses the potential and limitation of applying BNs to improve current climate change risk assessment procedures...
July 24, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28740917/phase-1-trial-of-preoperative-image-guided-intensity-modulated-proton-radiation-therapy-with-simultaneously-integrated-boost-to-the-high-risk-margin-for-retroperitoneal-sarcomas
#13
Thomas F DeLaney, Yen-Lin Chen, Elizabeth H Baldini, Dian Wang, Judith Adams, Shea B Hickey, Beow Y Yeap, Stephen M Hahn, Karen De Amorim Bernstein, G Petur Nielsen, Edwin Choy, John T Mullen, Sam S Yoon
PURPOSE: To conduct phase 1 and 2 trials with photon intensity modulated radiation therapy and intensity modulated proton therapy (IMPT) arms to selectively escalate the retroperitoneal sarcoma preoperative radiation dose to tumor volume (clinical target volume [CTV] 2) that is judged to be at a high risk for positive margins and aim to reduce local recurrence. We report on the IMPT study arm in phase 1. METHODS AND MATERIALS: Patients aged ≥18 years with primary or locally recurrent retroperitoneal sarcoma were treated with preoperative IMPT, 50...
January 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/28733723/an-individualized-radiation-dose-escalation-trial-in-non-small-cell-lung-cancer-based-on-fdg-pet-imaging
#14
Marie Wanet, Antoine Delor, François-Xavier Hanin, Benoît Ghaye, Aline Van Maanen, Vincent Remouchamps, Christian Clermont, Samuel Goossens, John Aldo Lee, Guillaume Janssens, Anne Bol, Xavier Geets
AIM: The aim of the study was to assess the feasibility of an individualized 18F fluorodeoxyglucose positron emission tomography (FDG-PET)-guided dose escalation boost in non-small cell lung cancer (NSCLC) patients and to assess its impact on local tumor control and toxicity. PATIENTS AND METHODS: A total of 13 patients with stage II-III NSCLC were enrolled to receive a dose of 62.5 Gy in 25 fractions to the CT-based planning target volume (PTV; primary turmor and affected lymph nodes)...
July 21, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28722267/simultaneous-bright-and-black-blood-whole-heart-mri-for-noncontrast-enhanced-coronary-lumen-and-thrombus-visualization
#15
Giulia Ginami, Radhouene Neji, Alkystis Phinikaridou, John Whitaker, René M Botnar, Claudia Prieto
PURPOSE: To develop a 3D whole-heart Bright-blood and black-blOOd phase SensiTive (BOOST) inversion recovery sequence for simultaneous noncontrast enhanced coronary lumen and thrombus/hemorrhage visualization. METHODS: The proposed sequence alternates the acquisition of two bright-blood datasets preceded by different preparatory pulses to obtain variations in blood/myocardium contrast, which then are combined in a phase-sensitive inversion recovery (PSIR)-like reconstruction to obtain a third, coregistered, black-blood dataset...
July 19, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28711481/simultaneous-integrated-boost-sib-for-treatment-of-gynecologic-carcinoma-intensity-modulated-radiation-therapy-imrt-vs-volumetric-modulated-arc-therapy-vmat-radiotherapy
#16
Irina Vergalasova, Kim Light, Junzo Chino, Oana Craciunescu
The aim of this study was to quantitatively compare dosimetric criteria between intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) plans for patients undergoing radiation treatment of gynecologic carcinoma with a simultaneous integrated boost (SIB) technique. IMRT and VMAT plans were retrospectively analyzed for 20 patients. The elective volume was planned to receive 45 Gy in 25 fractions of 1.8 Gy, with the integrated boost volume (involved nodes) receiving 55 Gy simultaneously...
2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28707988/first-clinical-report-of-helical-tomotherapy-with-simultaneous-integrated-boost-for-synchronous-bilateral-breast-cancer
#17
Tabassum Wadasadawala, Shanu Jain, Siji Paul, Reena Phurailatpam, Kishore Joshi, Palak Popat, Sandip Tandon, Aruna Alahari, Rajiv Sarin
OBJECTIVE: Radiotherapy (RT) for synchronous bilateral breast cancer (SBBC) is technically very challenging. This study reports the clinical feasibility, dosimetry and safety of helical tomotherapy (HT) with simultaneous integrated boost (SIB) in patients treated with adjuvant radiotherapy for SBBC. METHODS: 21 women with SBBC treated with HT from January 2013 to June 2016 were retrospectively evaluated. Radiation lung toxicity was assessed using pulmonary function test (PFT) and high-resolution computerized tomography scan (HRCT) scan at baseline and 1 yearpost-RT in 18 patients...
August 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28706358/response-to-the-comments-on-the-feasibility-study-of-a-hybrid-coplanar-arc-technique-versus-hybrid-intensity-modulated-radiotherapy-in-treatment-of-early-stage-left-sided-breast-cancer-with-simultaneous-integrated-boost-j-med-phys-2017-42-1-8
#18
Yuan-Gui Chen, An-Chuan Li, Wen-Yao Li, Miao-Yun Huang, Xiao-Bo Li, Ming-Qiu Chen, Mutian Zhang, Ben-Hua Xu
No abstract text is available yet for this article.
April 2017: Journal of Medical Physics
https://www.readbyqxmd.com/read/28706357/reference-to-chen-yg-li-ac-li-wy-huang-my-li-xb-chen-mq-et-al-the-feasibility-study-of-a-hybrid-coplanar-arc-technique-versus-hybrid-intensity-modulated-radiotherapy-in-treatment-of-early-stage-left-sided-breast-cancer-with-simultaneous-integrated-boost-j-med
#19
https://www.readbyqxmd.com/read/28704910/late-developing-metastatic-malignant-melanoma-in-the-thoracic-spine-originating-from-choroidal-melanoma
#20
Jun Kyu Hwang, Kyung Hyun Kim, Ji Sup Kim, Sung Jun Ahn, Sung Uk Kuh
A 54-year-old woman visited Gangnam Severance Hospital for left side flank pain. She had a history of total removal of malignant melanoma on the left eye ball 20 years prior. No evaluation had been performed since then. A paravertebral mass at thoracic ninth level (T9) was discovered on spinal magnetic resonance imaging, and pathology confirmed malignant melanoma. Following positron emission tomography-computed tomography, no other metastasis was discovered. After removal of the paravertebral mass, palliative chemotherapy (dacabarzine + tamoxifene) was administered in 3 cycles over 2 months...
June 2017: Korean Journal of Spine
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