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https://www.readbyqxmd.com/read/28199751/impact-of-polymorphisms-in-angiogenesis-related-genes-on-clinical-outcomes-of-radiotherapy-in-patients-with-nasopharyngeal-carcinoma
#1
Wan-Le Ma, Rong Liu, Li-Hua Huang, Chan Zou, Jie Huang, Jing Wang, Shao-Jun Chen, Xiang-Guang Meng, Jing-Ke Yang, Han Li, Guo-Ping Yang, Cheng-Xian Guo
PURPOSE: To assess the relationship between gene polymorphism in angiogenesis-related genes and radiation responses in nasopharyngeal carcinoma (NPC) patients. METHODS: The genotypes of 180 NPC patients were analyzed by Sequenom MassARRAY. The Response Evaluation Criteria in Solid Tumors were used for assessing efficacies. And The criteria of Radiation Therapy Oncology Group or European Organization for Research & Treatment of Cancer were utilized for evaluating acute toxic reactions in response to radiation...
February 15, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28190762/optimal-fractionation-of-preoperative-radiotherapy-and-timing-to-surgery-for-rectal-cancer-stockholm-iii-a-multicentre-randomised-non-blinded-phase-3-non-inferiority-trial
#2
Johan Erlandsson, Torbjörn Holm, David Pettersson, Åke Berglund, Björn Cedermark, Calin Radu, Hemming Johansson, Mikael Machado, Fredrik Hjern, Olof Hallböök, Ingvar Syk, Bengt Glimelius, Anna Martling
BACKGROUND: Radiotherapy reduces the risk of local recurrence in rectal cancer. However, the optimal radiotherapy fractionation and interval between radiotherapy and surgery is still under debate. We aimed to study recurrence in patients randomised between three different radiotherapy regimens with respect to fractionation and time to surgery. METHODS: In this multicentre, randomised, non-blinded, phase 3, non-inferiority trial (Stockholm III), all patients with a biopsy-proven adenocarcinoma of the rectum, without signs of non-resectability or distant metastases, without severe cardiovascular comorbidity, and planned for an abdominal resection from 18 Swedish hospitals were eligible...
February 9, 2017: Lancet Oncology
https://www.readbyqxmd.com/read/28181815/onsite-versus-offsite-radiation-treatment-of-malignant-spinal-cord-compression-lessons-from-a-safety-net-health-system
#3
Albert C Chen, Mark D Bonnen, Henry Mok
OBJECTIVE: Metastatic spinal cord compression (MSCC) is an oncologic emergency that often warrants emergent treatment, but it is unclear if radiation treatment can be optimally managed from an offsite radiotherapy facility. METHODS: Patient charts from consecutive MSCC patients that were treated with radiotherapy alone either at an onsite hospital radiation department (from 2008 to 2012) or an offsite radiotherapy center (2012-2015) were reviewed. Patients' clinical parameters were compared across groups with either the Chi-squared test or Fisher's exact test, while survival curves were compared with the log-rank test...
February 9, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28180110/assessing-tumor-oxygenation-for-predicting-outcome-in-radiation-oncology-a-review-of-studies-correlating-tumor-hypoxic-status-and-outcome-in-the-preclinical-and-clinical-settings
#4
REVIEW
Florence Colliez, Bernard Gallez, Bénédicte F Jordan
Tumor hypoxia is recognized as a limiting factor for the efficacy of radiotherapy, because it enhances tumor radioresistance. It is strongly suggested that assessing tumor oxygenation could help to predict the outcome of cancer patients undergoing radiation therapy. Strategies have also been developed to alleviate tumor hypoxia in order to radiosensitize tumors. In addition, oxygen mapping is critically needed for intensity modulated radiation therapy (IMRT), in which the most hypoxic regions require higher radiation doses and the most oxygenated regions require lower radiation doses...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28177326/supracricoid-laryngectomy-for-recurrent-laryngeal-cancer-after-chemoradiotherapy-a-systematic-review-and-meta-analysis
#5
C A Leone, P Capasso, D Topazio, G Russo
Residual or recurrent laryngeal cancer after irradiation is a difficult clinical problem with a rate that ranges from 13% to 36% of cases. Supracricoid laryngectomy (SCL) with cricohyoidopexy (CHP) or cricohyoidoepiglottopexy (CHEP) provide reliable oncological and functional results for selected primary and recurrent patients with glottic and supraglottic carcinomas. We conducted a systematic review and meta-analysis to assess the oncological and functional outcomes of patients treated with open partial horizontal laryngectomy types IIa and IIb (CHEP, CHP) in terms of the recurrence of squamocellular cancer of the larynx after radiotherapy failure...
December 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/28161553/lower-incidence-of-esophagitis-in-the-elderly-undergoing-definitive-radiation-therapy-for-lung-cancer
#6
Payal D Soni, Philip S Boonstra, Matthew J Schipper, Latifa Bazzi, Robert T Dess, Martha M Matuszak, Feng-Ming Kong, James A Hayman, Randall K Ten Haken, Theodore S Lawrence, Gregory P Kalemkerian, Shruti Jolly
INTRODUCTION: The majority of lung cancer patients are elderly and poorly represented in randomized clinical trials. They are often undertreated due to concerns about their ability to tolerate aggressive treatment. We tested the hypothesis that elderly patients undergoing definitive lung radiation might tolerate treatment differently from younger patients. METHODS: 125 patients who underwent definitive lung radiotherapy were identified from a prospective institutional database (UM cohort)...
November 26, 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28156678/patterns-of-symptom-control-and-palliative-care-focused-original-research-articles-in-major-radiation-oncology-journals
#7
Tracy A Balboni, Edward Chow
: 216 Background: National oncology and palliative care organizations recommend greater incorporation of palliative care in clinical care and research in advanced cancer to improve care quality. In radiation oncology, palliative oncology care represents approximately 30-40% of treatment courses. Given the frequency of palliative care in radiation oncology and recommendations for greater research at this intersection, we sought to determine the prevalence and patterns of publication of symptom control and palliative care focused original research articles in two prominent radiation oncology journals from 2004-2015...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156673/palliative-whole-brain-radiotherapy-predictors-of-prescribing-5-versus-10-fractions
#8
Sarah Baker, Kim Paulson, Brock J Debenham, Sunita Ghosh, David L Ma, Fleur Huang, Karen P Chu, Diane Severin, John Amanie, Tirath Nijjar, Samir Patel, Ericka Wiebe, Brita Lavender Danielson, Bronwen LeGuerrier, Alysa M Fairchild
: 219 Background: The optimal dose for palliative whole brain radiotherapy (WBRT) continues to be debated. Common regimens include 20 Gy in five and 30 Gy in 10 fractions. We aimed to identify factors associated with WBRT dose schedules, hypothesizing that clinical prediction of survival (CPS) would influence prescribing practice. METHODS: Demographic and clinicopathologic data were collected for consecutive patients with brain metastases receiving WBRT through a dedicated palliative radiation oncology clinic...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156606/role-of-emergent-palliative-radiation-therapy-in-the-care-of-patients-with-cancer
#9
Michael Zhang, Steve E Braunstein, Shannon E Fogh
: 201 Background: Radiation therapy (RT) provides an important role in the palliative care of patients with cancer. For patients with metastatic spinal cord compression not amenable to surgery, the value of timely palliative RT is well established; however, the value of the rapid application of RT for other chief complaints is less clear. The importance of palliative care service (PCS) involvement in patients treated with RT is becoming increasingly recognized and rapidly instituted RT could compromise this involvement...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28156446/acute-pain-management-in-radiation-oncology-quality-of-care-and-the-impact-of-an-integrated-palliative-oncology-service
#10
Tracy A Balboni, Steve E Braunstein, Shannon E Fogh, Wendy Anderson, Steve Pantilat, Allison Taylor, Alexander Spektor, Monica Shalini Krishnan, Daphne A Haas-Kogan, Lauren Michelle Hertan
: 195 Background: Radiotherapy (RT) effectively palliates bone metastases, but relief may take weeks, frequently necessitating acute pain management (APM). NCCN Guidelines for Adult Cancer Pain (V2.2015) recommend initiation/titration of analgesics for patients with pain scale value (PSV) ≥ 4. We sought to evaluate how often symptomatic patients have analgesic regimens assessed and intervened upon at radiation oncology (RO) consult for bone metastases, and the impact of a dedicated palliative RO service on APM...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152857/the-radiation-oncology-emr-as-a-quality-and-outcomes-based-informatics-platform-a-multicenter-pilot-study
#11
Tammy Wotring, Andrew S Kennedy
: 168 Background: Radiation oncology specific oncology information systems (OIS) are highly specialized and capture large amounts of rich data related to patient care. There is great potential to expand the utility of these systems from data collection and point-of-care documentation to platforms for radiation oncology informatics. To this end, we have begun an effort to consolidate and standardize the OIS within a large network of radiation oncology clinics. We report initial findings from a multi-center OIS standardization pilot involving five clinics...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152852/quality-of-radiation-therapy-referral-and-utilization-post-prostatectomy-a-population-based-study-of-time-trends
#12
Michael Donald Brundage, Earl Francis Cook, Qun Miao, Timothy P Hanna
: 286 Background: Adjuvant radiotherapy (ART) post-radical prostatectomy (RP) has been shown to benefit patients with pathologic T3 or margin-positive prostate cancer. It remains unclear whether early salvage radiotherapy (SRT) confers equivalent outcomes to ART. Practice Guidelines recommend referral to radiation oncology (RO) within 6 months of RP to discuss ART and SRT. The study objectives were to (1) assess post-RP referral patterns to RO; (2) describe ART and SRT utilization; and (3) compare time trends before and after seminal trials and guidelines were published...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152780/changing-patterns-of-care-for-locally-advanced-non-small-cell-lung-cancer-nsclc-implications-for-quality-initiatives
#13
Peter Edward Gabriel, Wensheng Guo, Sandhya Upasani, Marjorie van der Pas, Timothy E Schultheiss, Joel W Goldwein, John Paul Christodouleas
: 302 Background: Our purpose was to assess the utilization of dose escalated radiotherapy (RT) in Stage III NSCLC patients in the United States from 2004-2013, a period when no Level 1 evidence on dose escalation was published. METHODS: Data on all NSCLC patients treated with RT were extracted from the National Oncology Data Alliance (NODA), a pooled database of cancer registries from >150 US hospitals. The NODA contains the same data submitted to state cancer registries and SEER, but also contains RT dose fields that are manually verified by trained staff...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152739/toward-quality-peer-review-outcomes-of-peer-review-across-provincial-radiation-oncology-programs
#14
Jennifer O'Donnell, Sophie Foxcroft, Margaret Hart, Eric Gutierrez, Lindsay Elizabeth Reddeman, Gunita Mitera, Padraig Richard Warde, Michael Donald Brundage
: 205 Background: Review of treatment plans by a second radiation oncologist is an important quality indicator in radiation oncology. Peer review (PR) can improve quality of care in individual patients by detecting clinical and planning issues and recommending plan changes. This study reports the frequency and nature of these changes across all 14 radiation oncology programs (ROPs) in Ontario, Canada. METHODS: We identified all peer-reviewed curative treatment plans delivered in Ontario within a 3-month study period between Dec 2013-Nov 2014 using Cancer Care Ontario's Activity Level Reporting System, where data on treatment intent and date, disease site treated, PR status, timing of PR, and nature of recommended changes were available...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28149763/statistical-control-process-to-compare-and-rank-treatment-plans-in-radiation-oncology-impact-of-heterogeneity-correction-on-treatment-planning-in-lung-cancer
#15
Abdulhamid Chaikh, Jacques Balosso
BACKGROUND: This study proposes a statistical process to compare different treatment plans issued from different irradiation techniques or different treatment phases. This approach aims to provide arguments for discussion about the impact on clinical results of any condition able to significantly alter dosimetric or ballistic related data. METHODS: The principles of the statistical investigation are presented in the framework of a clinical example based on 40 fields of radiotherapy for lung cancers...
December 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28148287/intraoperative-irradiation-precision-medicine-for-quality-cancer-control-promotion
#16
EDITORIAL
Felipe A Calvo
Intraoperative irradiation was implemented 4 decades ago, pioneering the efforts to improve precision in local cancer therapy by combining real-time surgical exploration/resection with high single dose radiotherapy (Gunderson et al., Intraoperative irradiation: techniques and results, 2011). Clinical and technical developments have led to very precise radiation dose deposit. The ability to deliver a very precise dose of radiation is an essential element of contemporary multidisciplinary individualized oncology...
February 2, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28130601/complementary-and-alternative-medicine-in-radiation-oncology-survey-of-patients-attitudes
#17
Sabrina Lettner, Kerstin A Kessel, Stephanie E Combs
BACKGROUND: Complementary and alternative medicine (CAM) are gaining in importance, but objective data are mostly missing. However, in previous trials, methods such as acupuncture showed significant advantages compared to standard therapies. Thus, the aim was to evaluate most frequently used methods, their significance and the general acceptance amongst cancer patients undergoing radiotherapy (RT). METHODS: A questionnaire of 18 questions based on the categorical classification released by the National Centre for Complementary and Integrative Health was developed...
January 27, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28129973/acute-toxicity-and-its-dosimetric-correlates-for-high-risk-prostate-cancer-treated-with-moderately-hypofractionated-radiotherapy
#18
Moses Arunsingh, Indranil Mallick, Sriram Prasath, B Arun, Sandip Sarkar, Raj Kumar Shrimali, Sanjoy Chatterjee, Rimpa Achari
AIMS: To report the acute toxicity and the dosimetric correlates after moderately hypofractionated radiotherapy for localized prostate cancer. METHODS: A total of 101 patients with localized prostate cancer were treated with image-guided intensity-modulated radiation therapy. Patients were treated to 65Gy/25Fr/5 weeks (n = 18), or 60Gy/20Fr/4 weeks (n = 83). Most (82.2%) had high-risk or pelvic node-positive disease. Acute toxicity was assessed using Radiation Therapy Oncology Group (RTOG) acute morbidity scoring criteria...
January 24, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28114948/current-controversies-in-radiotherapy-for-breast-cancer
#19
REVIEW
David Krug, René Baumann, Wilfried Budach, Jürgen Dunst, Petra Feyer, Rainer Fietkau, Wulf Haase, Wolfgang Harms, Marc D Piroth, Marie-Luise Sautter-Bihl, Felix Sedlmayer, Rainer Souchon, Frederik Wenz, Rolf Sauer
Multimodal treatment approaches have substantially improved the outcome of breast cancer patients in the last decades. Radiotherapy is an integral component of multimodal treatment concepts used in curative and palliative intention in numerous clinical situations from precursor lesions such as ductal carcinoma in situ (DCIS) to advanced breast cancer. This review addresses current controversial topics in radiotherapy with special consideration of DCIS, accelerated partial breast irradiation (APBI) and regional nodal irradiation (RNI) and provides an update on the clinical practice guidelines of the Breast Cancer Expert Panel of the German Society of Radiation Oncology (DEGRO)...
January 23, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28114112/secondary-radiation-measurements-for-particle-therapy-applications-prompt-photons-produced-by-4-he-12-c-and-16-o-ion-beams-in-a-pmma-target
#20
I Mattei, F Bini, F Collamati, E De Lucia, P M Frallicciardi, E Iarocci, C Mancini-Terracciano, M Marafini, S Muraro, R Paramatti, V Patera, L Piersanti, D Pinci, A Rucinski, A Russomando, A Sarti, A Sciubba, E Solfaroli Camillocci, M Toppi, G Traini, C Voena, G Battistoni
Charged particle beams are used in particle therapy (PT) to treat oncological patients due to their selective dose deposition in tissues with respect to the photons and electrons used in conventional radiotherapy. Heavy (Z  >  1) PT beams can additionally be exploited for their high biological effectiveness in killing cancer cells. Nowadays, protons and carbon ions are used in PT clinical routines. Recently, interest in the potential application of helium and oxygen beams has been growing. With respect to protons, such beams are characterized by their reduced multiple scattering inside the body, increased linear energy transfer, relative biological effectiveness and oxygen enhancement ratio...
February 21, 2017: Physics in Medicine and Biology
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