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https://www.readbyqxmd.com/read/28447257/recent-developments-in-radiotherapy-for-small-cell-lung-cancer-a-review-by-the-oncologic-group-for-the-study-of-lung-cancer-spanish-radiation-oncology-society
#1
REVIEW
N Rodriguez de Dios, P Calvo, M Rico, M Martín, F Couñago, A Sotoca, B Taboada, A Rodríguez
Small-cell lung cancer (SCLC) accounts for 13% of all lung tumours. The standard treatment in patients with limited-stage disease is radiotherapy combined with chemotherapy. In extensive SCLC, the importance of consolidation thoracic radiotherapy in patients with a good treatment response has become increasingly recognized. In both limited and extensive disease, prophylactic cranial irradiation is recommended in patients who respond to treatment. New therapeutic approaches such as immunotherapy are being increasingly incorporated into the treatment of SCLC, although more slowly than in non-small cell lung cancer (NSCLC)...
April 26, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28447024/following-the-preclinical-data-leveraging-the-abscopal-effect-more-efficaciously
#2
Wilfred Ngwa, Zi Ouyang
Radiotherapy is employed in the treatment of over 50% of cancer patients. However, this therapy approach is limited to mainly treating localized disease. In 1953, Mole described the remarkable abscopal effect, whereby, localized radiotherapy of a patient's primary tumor might engender regression of cancer at distant sites, which were not irradiated. Current consensus is that if the abscopal effect can be efficaciously leveraged, it would transform the field of radiation oncology, extending the use of radiotherapy to treatment of both localized and metastatic disease...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28434797/patterns-of-care-survey-radiotherapy-for-women-with-locally-advanced-cervical-cancer
#3
Peter de Boer, Ina M Jürgenliemk-Schulz, Henrike Westerveld, Astrid A C de Leeuw, Raquel Dávila-Fajardo, Coen R N Rasch, Bradley R Pieters, Lukas J A Stalpers
BACKGROUND AND PURPOSE: Regarding latest developments, the need of a radiotherapy 'Patterns of Care' survey was expressed by the Dutch National Platform Radiotherapy for Gynaecological Cancer (LPRGT). Therefore, this study investigated current practice for cervical cancer in all 16 radiation oncology centres in the Netherlands specialised in gynaecological oncology. MATERIAL AND METHODS: A structured 'patterns of care' questionnaire was completed and followed by an in-depth interview with radiation oncologists from all radiotherapy centres specialised in gynaecological oncology...
April 20, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28433413/stereotactic-ablative-radiotherapy-in-the-treatment-of-low-and-intermediate-risk-prostate-cancer-is-there-an-optimal-dose
#4
Joelle Helou, Laura D'Alimonte, Harvey Quon, Andrea Deabreu, Kristina Commisso, Patrick Cheung, William Chu, Alexandre Mamedov, Melanie Davidson, Ananth Ravi, Andrew Loblaw
PURPOSE: To investigate if stereotactic ablative radiotherapy (SABR) dose is associated with PSA at 3years (PSA3y) in the treatment of localized prostate cancer and to explore predictors of late genitourinary (GU) toxicity. MATERIALS AND METHODS: Three prospective trials of SABR were undertaken at our institution: 1) 35Gy/5 fractions/29days; 2) 40Gy/5 fractions/29days; 3) 40Gy/5 fractions/11 or 29days. PSA3y was analyzed as a continuous variable. Toxicity was defined as the worst new toxicity and assessed using the radiation therapy oncology group (RTOG) late morbidity scheme...
April 19, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28421162/r-ideal-a-framework-for-systematic-clinical-evaluation-of-technical-innovations-in-radiation-oncology
#5
Helena M Verkooijen, Linda G W Kerkmeijer, Clifton D Fuller, Robbert Huddart, Corinne Faivre-Finn, Marcel Verheij, Stella Mook, Arjun Sahgal, Emma Hall, Chris Schultz
The pace of innovation in radiation oncology is high and the window of opportunity for evaluation narrow. Financial incentives, industry pressure, and patients' demand for high-tech treatments have led to widespread implementation of innovations before, or even without, robust evidence of improved outcomes has been generated. The standard phase I-IV framework for drug evaluation is not the most efficient and desirable framework for assessment of technological innovations. In order to provide a standard assessment methodology for clinical evaluation of innovations in radiotherapy, we adapted the surgical IDEAL framework to fit the radiation oncology setting...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28416260/late-genitourinary-toxicity-outcomes-in-300-prostate-cancer-patients-treated-with-dose-escalated-image-guided-intensity-modulated-radiotherapy
#6
K Byrne, G Hruby, A Kneebone, D Whalley, L Guo, P McCloud, T Eade
AIMS: To quantify and qualify late genitourinary toxicity in a cohort of patients with localised prostate cancer treated with image-guided intensity-modulated radiotherapy (IMRT) to doses ≥78 Gy. MATERIALS AND METHODS: The cohort consisted of 300 patients treated with definitive dose-escalated IMRT between 2007 and 2013. Ninety-seven patients received 78-80 Gy in 38 fractions, and 203 received 82-84 Gy in 40 fractions. International Prostate Symptoms Score (IPSS) and supplemental quality of life data were recorded at baseline, weekly during treatment and at follow-up...
April 14, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28410011/propensity-score-analysis-of-radical-cystectomy-versus-bladder-sparing-trimodal-therapy-in-the-setting-of-a-multidisciplinary-bladder-cancer-clinic
#7
Girish S Kulkarni, Thomas Hermanns, Yanliang Wei, Bimal Bhindi, Raj Satkunasivam, Paul Athanasopoulos, Peter J Bostrom, Cynthia Kuk, Kathy Li, Arnoud J Templeton, Srikala S Sridhar, Theodorus H van der Kwast, Peter Chung, Robert G Bristow, Michael Milosevic, Padraig Warde, Neil E Fleshner, Michael A S Jewett, Shaheena Bashir, Alexandre R Zlotta
Purpose Multidisciplinary management improves complex treatment decision making in cancer care, but its impact for bladder cancer (BC) has not been documented. Although radical cystectomy (RC) currently is viewed as the standard of care for muscle-invasive bladder cancer (MIBC), radiotherapy-based, bladder-sparing trimodal therapy (TMT) that combines transurethral resection of bladder tumor, chemotherapy for radiation sensitization, and external beam radiotherapy has emerged as a valid treatment option. In the absence of randomized studies, this study compared the oncologic outcomes between patients treated with RC or TMT by using a propensity score matched-cohort analysis...
April 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28400176/a-novel-method-to-evaluate-salivary-flow-rates-of-head-and-neck-cancer-patients-after-radiotherapy-a-pilot-study
#8
Luiz Felipe Palma, Fernanda Aurora Stabile Gonnelli, Marcelo Marcucci, Adelmo José Giordani, Rodrigo Souza Dias, Roberto Araújo Segreto, Helena Regina Comodo Segreto
INTRODUCTION: The procedure used to evaluate salivary flow rate is called sialometry. It can be performed through several techniques, but none appears to be really efficient for post-radiotherapy patients. OBJECTIVE: To adequate sialometry tests for head and neck cancer patients submitted to radiotherapy. METHODS: 22 xerostomic patients post-radiotherapy (total radiation dose ranging from 60 to 70Gy) were included in this study. Ten patients were evaluated using sialometries originally proposed by the Radiation Therapy Oncology Group and twelve were assessed by our modified methods...
March 25, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28391984/-french-national-survey-on-incoming-phone-calls-in-oncology-departments
#9
Florence Joly, Aline Guillot, Yann-Alexandre Vano, Dominique Spaeth, Delphine Topart, Pascal Roffet, Rachid El Amarti, Ali Hasbini, Aude Fléchon
INTRODUCTION: Oral therapies have shifted the follow-up of patients with cancer from hospital to home. As a consequence, the number of incoming calls has increased. To understand the source, reasons, management and burden of calls, we underwent a French national survey. The objective was to describe the way calls are managed in oncology departments. METHODS: The study was a prospective survey in a representative sample of French oncology specialists using oral therapies...
April 6, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28387011/radiotherapy-in-anaplastic-thyroid-carcinoma-an-australian-experience
#10
Kevin So, Robin E Smith, Sidney R Davis
INTRODUCTION: Anaplastic thyroid cancer is a rare and fatal malignancy, associated with significant local tumour and often treatment related morbidity. We report our experience in treating this cancer over a 20-year period. METHODS: A retrospective review of prospectively collected data from a single Australian Institution (Alfred Health Radiation Oncology) was carried out on patients referred with anaplastic thyroid carcinoma between 1992 and 2013. RESULTS: Thirty patients (17 females and 13 males) were identified with a median age at presentation of 72 years...
April 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28358697/assessment-of-radiobiological-%C3%AE-%C3%AE-ratio-in-lung-cancer-and-fibroblast-cell-lines-using-viability-assays
#11
Ilias V Karagounis, Eleni K Skourti, Maria V Liousia, Michael I Koukourakis
BACKGROUND/AIM: Altered fractionation is an area of intense clinical research in radiation oncology. Estimation of the α/β ratio of individual carcinomas after establishment of primary cell cultures from tumor biopsies may prove of importance in the individualization of radiotherapy schemes. MATERIALS AND METHODS: Here we proposed a simple method to estimate the α/β ratio in cultured cell lines (two lung carcinomas: A549 and H1299; one lung fibroblast cell line: MRC5), using viability assays...
March 2017: In Vivo
https://www.readbyqxmd.com/read/28355688/-a-randomized-study-of-intensity-modulated-radiation-therapy-versus-three-dimensional-conformal-radiation-therapy-for-pelvic-radiation-in-patients-of-post-operative-treatment-with-gynecologic-malignant-tumor
#12
J Ni, Z M Yin, S H Yuan, N F Liu, L Li, X X Xu, H M Lou
Objective: To study the difference between intensity-modulated radiation therapy (IMRT) and three dimensional conformal radiation therapy (3D-CRT) for pelvic radiation of post-operative treatment with gynecologic malignant tumor. Methods: A prospective investigation study was conducted on 183 patients of post-operative patients with whole pelvic radiation therapy of cervical cancer or endometrial cancer in Zhejiang Cancer Hospital [IMRT group (n=85) and 3D-CRT group (n=98)] from Oct. 2015 to Oct. 2016. The two groups received same dose (45 Gy in 25 fractions)...
March 25, 2017: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/28355119/high-intensity-focused-ultrasound-for-the-treatment-of-prostate-cancer-a-review
#13
Christian G Chaussy, Stefan Thüroff
Over the past 25 years, the average life expectancy for men has increased almost 4 years, and the age of prostate cancer detection has decreased an average of 10 years with diagnosis increasingly made at early-stage disease where curative therapy is possible. These changing trends in the age and extent of malignancy at diagnosis have revealed limitations in conventional curative therapies for prostate cancer, including a significant risk of aggressive cancer recurrence, and the risk of long-term genitourinary morbidity and its detrimental impact on patient's quality of life (QOL)...
April 2017: Journal of Endourology
https://www.readbyqxmd.com/read/28353363/does-chronomodulated-radiotherapy-improve-pathological-response-in-locally-advanced-rectal-cancer
#14
Tim Squire, Grant Buchanan, David Rangiah, Ian Davis, Desmond Yip, Yu Jo Chua, Tyvin Rich, Hany Elsaleh
The predominant mode of radiation-induced cell death for solid tumours is mitotic catastrophe, which is in part dependent on sublethal damage repair being complete at around 6 h. Circadian variation appears to play a role in normal cellular division, and this could influence tumour response of radiation treatment depending on the time of treatment delivery. We tested the hypothesis that radiation treatment later in the day may improve tumour response and nodal downstaging in rectal cancer patients treated neoadjuvantly with radiation therapy...
2017: Chronobiology International
https://www.readbyqxmd.com/read/28351562/prospective-evaluation-of-intensity-modulated-radiation-therapy-with-simultaneous-integrated-boost-imrt-sib-in-head-and-neck-squamous-cell-carcinoma-in-patients-not-suitable-for-chemo-radiotherapy
#15
Madhup Rastogi, Shantanu Sapru, Pooja Gupta, Ajeet Kumar Gandhi, Surendra P Mishra, Anoop K Srivastava, Rohini Khurana, Rahat Hadi, Kamal Sahni, Farzana S
BACKGROUND: With conformal radiotherapy techniques, acute and late toxicities can be reduced because of better dose conformity and reduced doses to normal tissue. With Intensity Modulated Radiation Therapy (IMRT) further dose escalation is possible and one of the methods is IMRT with simultaneous integrated boost (IMRT-SIB). AIM: To evaluate feasibility, toxicity patterns and loco-regional control rates of IMRT-SIB technique in head and neck cancer patients who are not suitable candidates for concurrent chemoradiation...
April 2017: Oral Oncology
https://www.readbyqxmd.com/read/28350520/genomic-classifier-augments-the-role-of-pathological-features-in-identifying-optimal-candidates-for-adjuvant-radiation-therapy-in-patients-with-prostate-cancer-development-and-internal-validation-of-a-multivariable-prognostic-model
#16
Deepansh Dalela, María Santiago-Jiménez, Kasra Yousefi, R Jeffrey Karnes, Ashley E Ross, Robert B Den, Stephen J Freedland, Edward M Schaeffer, Adam P Dicker, Mani Menon, Alberto Briganti, Elai Davicioni, Firas Abdollah
Purpose Despite documented oncologic benefit, use of postoperative adjuvant radiotherapy (aRT) in patients with prostate cancer is still limited in the United States. We aimed to develop and internally validate a risk-stratification tool incorporating the Decipher score, along with routinely available clinicopathologic features, to identify patients who would benefit the most from aRT. Patient and Methods Our cohort included 512 patients with prostate cancer treated with radical prostatectomy at one of four US academic centers between 1990 and 2010...
March 28, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28328309/ibpro-a-novel-short-duration-teaching-course-in-advanced-physics-and-biology-underlying-cancer-radiotherapy
#17
Michael C Joiner, Monica W Tracey, Sara E Kacin, Jay W Burmeister
This article provides a summary and status report of the ongoing advanced education program IBPRO - Integrated course in Biology and Physics of Radiation Oncology. IBPRO is a five-year program funded by NCI. It addresses the recognized deficiency in the number of mentors available who have the required knowledge and skill to provide the teaching and training that is required for future radiation oncologists and researchers in radiation sciences. Each year, IBPRO brings together 50 attendees typically at assistant professor level and upwards, who are already qualified/certified radiation oncologists, medical physicists or biologists...
March 22, 2017: Radiation Research
https://www.readbyqxmd.com/read/28325246/challenges-and-prospects-for-providing-radiation-oncology-services-in-africa
#18
REVIEW
Onyinye Balogun, Danielle Rodin, Wilfred Ngwa, Surbhi Grover, John Longo
There are considerable challenges to meeting the demands of the impending cancer crisis in Africa. These include a rising incidence of cancer and cancer-related deaths, equipment and maintenance costs, and deficits in human resources and training. Addressing these issues would be crucial to tackling the increasing burden of cancer on the continent. Innovations in technology and collaborative efforts within the global oncology community have created promising solutions for establishing quality cancer care in Africa and eradicating the massive disparities that currently exist...
April 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28325245/south-east-asia-differing-socioeconomic-factors-differing-access-to-radiotherapy-the-philippines-a-microcosm
#19
REVIEW
Miriam Joy C Calaguas, Johannes A Gubat
The accessibility of radiotherapy in Southeast Asia, a region characterized by diversity in both economy and culture, differ widely among its member countries. In most countries, access is not universal and is generally limited by radiotherapy resources and the health-seeking behavior of patients. This in turn relates to the current health policy in place, the practice of radiation oncology, and cultural factors such as religion and family dynamics. Although it is clear that radiotherapy access parallel economic development, it is also affected by different social factors that work to facilitate or impede its improvement...
April 2017: Seminars in Radiation Oncology
https://www.readbyqxmd.com/read/28325242/radiation-oncology-in-india-challenges-and-opportunities
#20
REVIEW
Surbhi Grover, Shivakumar Gudi, Ajeet Kumar Gandhi, Priya M Puri, Adam C Olson, Danielle Rodin, Onyi Balogun, Preet K Dhillon, Daya Nand Sharma, Goura Kishor Rath, Shyam Kishore Shrivastava, Akila N Viswanathan, Umesh Mahantshetty
Rising cancer incidence and mortality in India emphasize the need to address the increasing burden of this disease and the stark inequities in access to radiotherapy and other essential medical treatments. State-of-the-art technology is available within the private sector and a few hospitals in the public sector, but 75% of patients in the public sector in India do not have access to timely radiotherapy. This inequity in access to radiotherapy in the public sector is amplified in rural areas, where most of India׳s population lives...
April 2017: Seminars in Radiation Oncology
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