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Radiation oncology radiotherapy

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https://www.readbyqxmd.com/read/27931879/the-role-of-immunonutritional-support-in-cancer-treatment-current%C3%A2-evidence
#1
REVIEW
Isabel Prieto, Sara Montemuiño, Javier Luna, Maria Victoria de Torres, Enrique Amaya
The significant role of the immune system in cancer treatment has given rise to an emerging field of study within oncology, and one that is attracting increasing attention from researchers. Immunotherapy has demonstrated that the immune system is crucial in the fight against cancer. This challenge has led researchers to analyze whether the immune influencing capacity of immunonutrition may aid in improving immune status, modulate the acquired immune response, decrease the treatment toxicity and improve patient outcomes...
November 24, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/27931845/immuno-oncology-allying-forces-of-radio-and-immuno-therapy-to-enhance-cancer-cell-killing
#2
REVIEW
Jacques Bernier
Besides the local effects of ionizing radiation at the cellular and molecular levels in tumor tissues, the interactions of radiotherapy with the host's immune system are nowadays at the center of many investigations. In some cases, these interactions can be strong enough to immunize the patient against the tumor, leading to a rejection by the host of both the irradiated tumor and distant metastases. In this latter case, the rejection mechanism is called "abscopal effect". Over the last two decades, increasing attention has also been paid to the combination of various forms of immunotherapies with radiation, as an attempt to boost cancer cell killing mechanisms...
December 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27923550/treatment-design-and-rationale-for-a-randomized-trial-of-cisplatin-and-etoposide-plus-thoracic-radiotherapy-followed-by-nivolumab-or-placebo-for-locally-advanced-non-small-cell-lung-cancer-rtog-3505
#3
David E Gerber, James J Urbanic, Corey Langer, Chen Hu, I-Fen Chang, Bo Lu, Benjamin Movsas, Robert Jeraj, Walter J Curran, Jeffrey D Bradley
Radiation Therapy Oncology Group (RTOG) 3505 is a randomized phase 3 study of concurrent chemoradiation followed by immune checkpoint inhibitor therapy or placebo in patients with locally advanced non-small-cell lung cancer (NSCLC). Patients with surgically unresectable stage 3 NSCLC will receive thoracic radiotherapy to 60 Gy with concurrent cisplatin 50 mg/m(2) intravenously (I.V.) on days 1, 8, 29, and 36, and etoposide 50 mg/m(2) I.V. on days 1 to 5 and days 29 to 33. Between 4 and 12 weeks after completion of concurrent chemoradiation, eligible patients will be randomized to the anti-programmed death 1 (PD-1) monoclonal antibody nivolumab 240 mg I...
October 26, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27921123/local-control-and-intermediate-term-cosmetic-outcome-following-imrt-for-nasal-tumors-an-update
#4
Yuki Mukai, Stefan Janssen, Christoph Glanzmann, David Holzmann, Gabriela Studer
OBJECTIVE: This study aims to evaluate local control and intermediate-term cosmetic outcome in patients with cancer of the nose treated with intensity-modulated radiotherapy (IMRT). METHODS: From June 2008 to September 2015, 36 consecutive patients presenting with nasal cavity, ala of the nose, or nasal vestibule tumors were treated at the Department of Radiation Oncology, University Hospital Zurich either postoperatively (n = 14; 3/14 with nasal ablation) or with definitive IMRT (n = 22)...
December 5, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/27914679/postgraduate-education-in-radiation-oncology-in-low-and-middle-income-countries
#5
J G Eriksen
Radiation therapy is one of the most cost-effective ways to treat cancer patients on both a curative and palliative basis in low- and middle-income countries (LMICs). Despite this, the gap in radiation oncology capacity is enormous and is even increasing due to a rapid rise in the incidence of cancer cases in LMICs. The urgent need for radiotherapy resources in terms of bunkers and megavoltage machines is important, but equally important is the tremendous lack of properly educated health care professionals...
November 30, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/27914589/-big-data-and-their-perspectives-in-radiation-therapy
#6
REVIEW
Sébastien Guihard, Juliette Thariat, Jean-Baptiste Clavier
The concept of big data indicates a change of scale in the use of data and data aggregation into large databases through improved computer technology. One of the current challenges in the creation of big data in the context of radiation therapy is the transformation of routine care items into dark data, i.e. data not yet collected, and the fusion of databases collecting different types of information (dose-volume histograms and toxicity data for example). Processes and infrastructures devoted to big data collection should not impact negatively on the doctor-patient relationship, the general process of care or the quality of the data collected...
November 30, 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27909738/prostate-bed-target-interfractional-motion-using-rtog-consensus-definitions-and-daily-ct-on-rails-does-target-motion-differ-between-superior-and-inferior-portions-of-the-clinical-target-volume
#7
Vivek Verma, Shifeng Chen, Sumin Zhou, Charles A Enke, Andrew O Wahl
PURPOSE: Using high-quality CT-on-rails imaging, the daily motion of the prostate bed clinical target volume (PB-CTV) based on consensus Radiation Therapy Oncology Group (RTOG) definitions (instead of surgical clips/fiducials) was studied. It was assessed whether PB motion in the superior portion of PB-CTV (SUP-CTV) differed from the inferior PB-CTV (INF-CTV). PATIENTS AND METHODS: Eight pT2-3bN0-1M0 patients underwent postprostatectomy intensity-modulated radiotherapy, totaling 300 fractions...
December 1, 2016: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/27903114/a-quantitative-analysis-of-craniopharyngioma-cyst-expansion-during-and-after-radiation-therapy-and-surgical-implications
#8
Kelly Lamiman, Kenneth K Wong, Benita Tamrazi, Jason D Nosrati, Arthur Olch, Eric L Chang, Erin N Kiehna
OBJECTIVE When complete resection of craniopharyngioma is not achievable or the sequelae are prohibitive, limited surgery and radiation therapy have demonstrated excellent local disease control while minimizing treatment-related sequelae. When residual tissue exists, there is a propensity for further cyst development and expansion during and after radiation therapy. This can result in obstructive hydrocephalus, visual changes, and/or clinical decline. The authors present a quantitative analysis of cyst expansion during and after radiotherapy and examine how it affected subsequent management...
December 2016: Neurosurgical Focus
https://www.readbyqxmd.com/read/27893327/radiation-therapy-for-glioblastoma-american-society-of-clinical-oncology-clinical-practice-guideline-endorsement-of-the-american-society-for-radiation-oncology-guideline
#9
Erik P Sulman, Nofisat Ismaila, Terri S Armstrong, Christina Tsien, Tracy T Batchelor, Tim Cloughesy, Evanthia Galanis, Mark Gilbert, Vinai Gondi, Mary Lovely, Minesh Mehta, Matthew P Mumber, Andrew Sloan, Susan M Chang
Purpose The American Society for Radiation Oncology (ASTRO) produced an evidence-based guideline on radiation therapy for glioblastoma. Because of its relevance to the ASCO membership, ASCO reviewed the guideline and applied a set of procedures and policies used to critically examine guidelines developed by other organizations. Methods The ASTRO guideline on radiation therapy for glioblastoma was reviewed for developmental rigor by methodologists. An ASCO endorsement panel updated the literature search and reviewed the content and recommendations...
November 28, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/27876603/canadian-phase-iii-randomized-trial-of-stereotactic-body-radiotherapy-versus-conventionally-hypofractionated-radiotherapy-for-stage-i-medically-inoperable-non-small-cell-lung-cancer-rationale-and-protocol-design-for-the-ontario-clinical-oncology-group-ocog
#10
Anand Swaminath, Marcin Wierzbicki, Sameer Parpia, James R Wright, Theodoros K Tsakiridis, Gordon S Okawara, Vijayananda Kundapur, Alexis Bujold, Naseer Ahmed, Khalid Hirmiz, Elizabeth Kurien, Edith Filion, Zsolt Gabos, Sergio Faria, Alexander V Louie, Timothy Owen, Elaine Wai, Kevin Ramchandar, Elisa K Chan, Jim Julian, Kathryn Cline, Timothy J Whelan
We describe a Canadian phase III randomized controlled trial of stereotactic body radiotherapy (SBRT) versus conventionally hypofractionated radiotherapy (CRT) for the treatment of stage I medically inoperable non-small-cell lung cancer (OCOG-LUSTRE Trial). Eligible patients are randomized in a 2:1 fashion to either SBRT (48 Gy in 4 fractions for peripherally located lesions; 60 Gy in 8 fractions for centrally located lesions) or CRT (60 Gy in 15 fractions). The primary outcome of the study is 3-year local control, which we hypothesize will improve from 75% with CRT to 87...
October 3, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/27861753/screening-for-depression-in-cancer-patients-receiving-radiotherapy-feasibility-and-identification-of-effective-tools-in-the-nrg-oncology-rtog-0841-trial
#11
Lynne I Wagner, Stephanie L Pugh, William Small, Jeffrey Kirshner, Kulbir Sidhu, Martin J Bury, Albert S DeNittis, Tracy E Alpert, Binh Tran, Beatrice F Bloom, Julie Mai, Alexander Yeh, Kalika Sarma, Mark Becker, Jennifer James, Deborah Watkins Bruner
BACKGROUND: Brief tools are needed to screen oncology outpatients for depressive symptoms. METHODS: Patients starting radiotherapy for the first diagnosis of any tumor completed distress screening tools, including the 9-item Patient Health Questionnaire (PHQ-9), the 2-item Patient Health Questionnaire (PHQ-2), the National Comprehensive Cancer Network Distress Thermometer (NCCN-DT), and the Hopkins Symptom Checklist (HSCL) (25-item version). Patients exceeding validated cutoff scores and a systematic sample of patients whose screening was negative completed the Structured Clinical Interview for DSM-IV (SCID) mood disorder modules via telephone...
November 10, 2016: Cancer
https://www.readbyqxmd.com/read/27858876/implementing-web-based-ping-pong-type-e-communication-to-enhance-staff-satisfaction-multidisciplinary-cooperation-and-clinical-effectiveness-a-squire-compliant-quality-improving-study
#12
Pei-Han Yeh, Shih-Kai Hung, Moon-Sing Lee, Wen-Yen Chiou, Chun-Liang Lai, Wei-Ta Tsai, Hui-Ling Hsieh, Yi-Ting Shih, Liang-Cheng Chen, Li-Wen Huang, Yi-An Lin, Po-Hao Lin, Yung-Hsiang Lin, Dai-Wei Liu, Feng-Chun Hsu, Shiang-Jiun Tsai, Jia-Chi Liu, En-Seu Chung, Hon-Yi Lin
BACKGROUND: Frequent multidisciplinary communication is essential in conducting daily radiotherapy (RT) practice. However, traditional oral or paper-based communication has limitations. E-communication has been suggested, but its effects are still not well demarcated in the field of radiation oncology. OBJECTS: In our web-based integrated information platform, we constructed a ping-pong-type e-communication function to transfer specific notations among multidisciplinary RT staffs...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27856004/microbleeds-and-cavernomas-after-radiotherapy-for-paediatric-primary-brain-tumours
#13
João Passos, Hipólito Nzwalo, Mariana Valente, Joana Marques, Ana Azevedo, Eduardo Netto, António Mota, Alexandra Borges, Sofia Nunes, Duarte Salgado
BACKGROUND: With the expected growth and aging of the population of primary central nervous system tumours (PCNST) survivors, attention to the radiation-induced late brain injury is fundamental. Late focal hemosiderin deposition (FHD) lesions, namely microbleeds and cavernomas, are among the presumable late cerebrovascular complications associated with radiotherapy for PCNST. OBJECTIVE: To explore association between PCNST radiotherapy and the occurrence FHD lesions and to address the correlation between the topographic location of these microvascular lesions with the focal radiotherapy location...
November 11, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/27847135/medical-physics-challenges-for-the-implementation-of-quality-assurance-programmes-in-radiation-oncology
#14
A Meghzifene
The importance of quality assurance in radiation therapy, as well as its positive consequences on patient treatment outcome, is well known to radiation therapy professionals. In low- and middle-income countries, the implementation of quality assurance in radiation therapy is especially challenging, due to a lack of staff training, a lack of national guidelines, a lack of quality assurance equipment and high patient daily throughput. According to the International Atomic Energy Agency (IAEA) Directory of Radiotherapy Centres, the proportion of linear accelerators compared with Co-60 machines has increased significantly in recent years in low- and middle-income countries...
November 12, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/27844454/painful-bone-metastasis-in-elderly-treated-with-radiation-therapy-single-or-multiple-fraction-regimen-a-multicentre-retrospective-observational-analysis
#15
S Falivene, D Pezzulla, R Di Franco, F M Giugliano, E Esposito, C Scoglio, B Amato, V Borzillo, M D'Aiuto, P Muto
BACKGROUND: Bone metastases are a frequent complication of advanced oncologic disease. Pain associated to bone metastasis is a major cause of morbidity in cancer patients, especially in elderly. AIMS: The aim of this multicentric retrospective observational study is to evaluate the efficacy of different schedules of radiation therapy in elderly patients in terms of pain relief. METHODS: 206 patients over the age of 60 were enrolled in 1 year time for a multicentre retrospective observational study...
November 14, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27842864/-use-of-hypnosis-in-radiotherapy-as-an-alternative-to-general-anesthesia-in-pediatric-radiation-oncology
#16
Line Claude, Magali Morelle, Sandrine Mancini, Anita Duncan, Henri Sebban, Christian Carrie, Perrine Marec-Berard
BACKGROUND: General anesthesia (GA) is often needed for radiotherapy (RT) in young children. This study aimed to evaluate the place of the rituals and/or hypnosis in pediatric in a reference center in pediatric radiation oncology in Rhône-Alpes Auvergne. METHODS: This observational study retrospectively collected data on AG in children<5 years treated by RT in Leon-Berard regional center, Lyon, France between 2003 and 2014. Two-time periods, before and after 2008 have been compared, the second one introducing accompaniment methods such as hypnosis systematically...
November 2016: Bulletin du Cancer
https://www.readbyqxmd.com/read/27842711/-radiation-related-heart-toxicity-update-in-women
#17
S Marlière, E Vautrin, C Saunier, A Chaikh, I Gabelle-Flandin
Breast cancer is a common diagnosis in women and thus women are at risk of radiation-induced heart disease, in particular during radiotherapy for left breast cancer and when the internal mammary chain is included. Rates of major cardiac events increase with younger age at the time of irradiation, diagnosis before 1990s, higher radiation doses, coexisting cardiovascular risk factors and adjuvant cardiotoxic chemotherapy. Radiation-induced heart disease comprises a spectrum of cardiac pathologies, including pericardial disease, cardiomyopathy, coronary artery disease and valvular disease...
December 2016: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/27836119/a-multi-institutional-analysis-of-prospective-studies-of-carbon-ion-radiotherapy-for-prostate-cancer-a-report-from-the-japan-carbon-ion-radiation-oncology-study-group-j-cros
#18
Takuma Nomiya, Hiroshi Tsuji, Hidemasa Kawamura, Tatsuya Ohno, Shingo Toyama, Yoshiyuki Shioyama, Yuko Nakayama, Kenji Nemoto, Hirohiko Tsujii, Tadashi Kamada
BACKGROUND AND PURPOSE: A multi-institutional observational study (J-CROS1501PR) has been carried out to analyze outcomes of carbon-ion radiotherapy (CIRT) for patients with prostate cancer. PATIENTS AND METHODS: Data of the patients enrolled in prospective studies of following 3 CIRT institutions were analyzed: National Institute of Radiological Sciences (NIRS; Chiba, Japan), Gunma University Heavy Ion Medical Center (GHMC; Gunma, Japan), and Ion Beam Therapy Center, SAGA HIMAT Foundation (HIMAT; Saga, Japan)...
November 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27829531/patterns-of-referral-to-radiation-oncology-among-patients-with-bladder-cancer-a-population-based-study
#19
J S Quirt, D R Siemens, K Zaza, W J Mackillop, C M Booth
AIMS: Radical radiotherapy is a reasonable alternative to cystectomy for some patients with invasive bladder cancer, and postoperative radiotherapy may be indicated in patients at high risk of local recurrence. Here we describe pre- and postoperative radiation oncology consultation among patients with bladder cancer in Ontario. MATERIALS AND METHODS: Records of radiotherapy and surgery were linked to the Ontario Cancer Registry (OCR) to identify all patients who received treatment with curative intent for bladder cancer between 1994 and 2008...
November 6, 2016: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/27817861/-fertility-preservation-in-adolescents-and-young-adults-with-cancer
#20
REVIEW
Christine Rousset-Jablonski, Florian Chevillon, Nathalie Dhedin, Catherine Poirot
Fertility impairment due to treatments is a major concern for patients who have survived cancer in adolescence or as a young adult. The impact of cancer treatments on fertility depends on the age at treatments, types and cumulative doses of chemotherapy, radiation doses to organs at risk, and on surgeries conducted. Fertility preservation strategies have been developed for many years, and recently diversified thanks to advances in reproductive biology. In female adolescents and young adults, ovarian stimulation followed by oocyte (or embryo) vitrification, ovarian tissue cryopreservation, and sometimes oocyte vitrification after in vitro maturation are options that can be discussed...
November 3, 2016: Bulletin du Cancer
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