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https://www.readbyqxmd.com/read/28445990/prognostic-value-of-tumor-mutations-in-radically-treated-locally-advanced-non-small-cell-lung-cancer-patients
#1
Angela Boros, Ludovic Lacroix, Benjamin Lacas, Julien Adam, Jean-Pierre Pignon, Caroline Caramella, David Planchard, Vincent de Montpreville, Eric Deutsch, Antonin Levy, Benjamin Besse, Cécile Le Pechoux
INTRODUCTION: Chemo-radiation is standard treatment in locally advanced non-small cell lung cancers (NSCLC). The prognostic value of mutations has been poorly explored in this population. RESULTS: Clinical data were collected from 190 patients and mutational profiles were obtained in 78 of them; 58 (74%) were males, 31 (40%) current smokers, 47/31 stage IIIA/IIIB and 40 (51%) adenocarcinoma. The following mutations were identified: EGFR 12% (9/78), KRAS 15% (12/78), BRAF 5% (3/65), PI3KCA 2% (1/57), NRAS 3% (1/32), and ALK+ (FISH) 4% (2/51)...
April 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28444207/characterization-of-relative-biological-effectiveness-for-conventional-radiation-therapy-a-comparison-of-clinical-6-mv-x-rays-and-137cs
#2
Michelle Howard, Chris Beltran, Jann Sarkaria, Michael G Herman
Various types of radiation are utilized in the treatment of cancer. Equal physical doses of different radiation types do not always result in the same amount of biological damage. In order to account for these differences, a scaling factor known as the relative biological effectiveness (RBE) can be used. 137Cesium (137Cs) has been used as a source of radiation in a significant body of radiation therapy research. However, high-energy X-rays, such as 6 MV X-rays, are currently used clinically to treat patients...
April 24, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28442917/can-involved-field-irradiation-replace-elective-nodal-irradiation-in-chemoradiotherapy-for-esophageal-cancer-a-systematic-review-and-meta-analysis
#3
REVIEW
Xiaoyue Wang, Chuanwang Miao, Zhen Chen, Wanhu Li, Shuanghu Yuan, Jinming Yu, Xudong Hu
Chemoradiotherapy is the most common treatment for inoperable esophageal cancer. However, there is no consensus on the delineation of the clinical target volume. Elective nodal irradiation (ENI) is recommended for inoperable esophageal cancer. A few studies have reported a decrease in the incidence of radiation-related toxicity of involved-field irradiation (IFI) for esophageal cancer. A systematic review and pooled analysis were performed to determine whether IFI in definitive chemoradiotherapy was more beneficial than ENI for esophageal cancer...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28441082/adjuvant-systemic-therapy-and-adjuvant-radiation-therapy-for-stages-i-to-iiia-resectable-non-small-cell-lung-cancers-american-society-of-clinical-oncology-cancer-care-ontario-clinical-practice-guideline-update-summary
#4
Mark G Kris, Laurie E Gaspar, Jamie E Chaft, Erin B Kennedy
No abstract text is available yet for this article.
April 25, 2017: Journal of Oncology Practice
https://www.readbyqxmd.com/read/28440606/pathogenesis-and-prevention-of-radiation-induced-myocardial-fibrosis
#5
Li Kun Liu, Weiwei Ouyang, Xing Zhao, Sheng Fa Su, Yan Yang, Wen Jin Ding, Da Xian Luo, Zhi Xu He, Bing Lu
Radiation therapy is one of the most important methods for the treatment of malignant tumors. However, in radiotherapy for thoracic tumors such as breast cancer, lung cancer, esophageal cancer, and mediastinal lymphoma, the heart, located in the mediastinum, is inevitably affected by the irradiation, leading to pericardial disease, myocardial fibrosis, coronary artery disease, valvular lesions, and cardiac conduction system injury, which are considered radiation-induced heart diseases. Delayed cardiac injury especially myocardial fibrosis is more prominent, and its incidence is as high as 20–80%...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28440532/the-assessment-of-cancer-related-fatigue-syndrome-in-patients-with-lung-cancer-during-palliative-chemotherapy
#6
Andrzej Nowicki, Joanna Piekarska, Ewa Farbicka
INTRODUCTION: Cancer-related fatigue is one of the most common problems of patients with lung cancer. The assessment of cancer- -related fatigue is therefore a significant medical problem in patients during treatment with palliative chemotherapy. MATERIAL AND METHODS: The study included 100 patients during palliative chemotherapy because of lung cancer. The study was conducted in the Department of Pulmonary Diseases and Treatment of Lung Cancer in the Kuyavian and Pomeranian Centre of Pulmonology in Bydgoszcz, in the period from February to June 2016...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28440434/preclinical-studies-for-the-combination-of-paclitaxel-and-curcumin-in-cancer-therapy-review
#7
Yumeng Wei, Xinlin Pu, Ling Zhao
Cancer is one of the most common causes of death and remains the first in China and the second in the US. The common treatments for cancer include surgery, radiation, chemotherapy, targeted therapy and immunotherapy, while chemotherapy remains one of the most important treatments. However, the efficacy of chemotherapy is limited due to drug induced-toxicities and resistance, particularly multiple drug resistance (MDR). Therefore, discovery and development of novel therapeutic drugs and/or combination therapy are urgently needed to reduce toxicity and improve efficacy...
April 20, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440285/ionizing-radiation-abrogates-the-pro-tumorigenic-capacity-of-cancer-associated-fibroblasts-co-implanted-in-xenografts
#8
Maria Tunset Grinde, Jørg Vik, Ketil André Camilio, Inigo Martinez-Zubiaurre, Turid Hellevik
Cancer-associated fibroblasts (CAFs) are abundantly present in solid tumors and affect tumorigenesis and therapeutic responses. In the context of clinical radiotherapy, the impact of irradiated CAFs to treatment outcomes is largely unexplored. Aiming at improving radiotherapy efficacy, we have here explored the effect of radiation on the inherent pro-tumorigenic capacity of CAFs in animals. Ionizing radiation was delivered to cultured CAFs as single-high or fractionated doses. Tumor development was compared in mice receiving A549 lung tumor cells admixed with irradiated or control CAFs...
April 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28440225/observation-of-nonanoic-acid-and-aldehydes-in-exhaled-breath-of-patients-with-lung-cancer
#9
L Callol-Sanchez, M A Munoz-Lucas, O Gomez-Martin, J A Maldonado-Sanz, C Civera-Tejuca, C Gutierrez-Ortega, G Rodriguez-Trigo, J Jareno-Esteban
Lung cancer (LC) is the leading cause of cancer death in men and the second leading cause in women worldwide. The use of low-dose computed tomography in early diagnosis was shown to reduce mortality by 20% with a median follow-up time of 6.5 years. In order to increase profitability and reduce radiation risks and costs, exhaled biomarkers could serve to help establish narrower inclusion criteria. The aim of this study was to identify new, well-founded volatile organic compounds in exhaled breath which distinguish LC patients from chronic obstructive pulmonary disease (COPD) patients and healthy subjects...
April 25, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/28437190/consuming-a-ketogenic-diet-while-receiving-radiation-and-chemotherapy-for-locally-advanced-lung-cancer-and-pancreatic-cancer-the-university-of-iowa-experience-of-two-phase-1-clinical-trials
#10
Amir Zahra, Melissa A Fath, Emyleigh Opat, Kranti A Mapuskar, Sudershan K Bhatia, Daniel C Ma, Samuel N Rodman Iii, Travis P Snyders, Catherine A Chenard, Julie M Eichenberger-Gilmore, Kellie L Bodeker, Logan Ahmann, Brian J Smith, Sandy A Vollstedt, Heather A Brown, Taher Abu Hejleh, Gerald H Clamon, Daniel J Berg, Luke I Szweda, Douglas R Spitz, John M Buatti, Bryan G Allen
Ketogenic diets are low in carbohydrates and high in fat, which forces cells to rely more heavily upon mitochondrial oxidation of fatty acids for energy. Relative to normal cells, cancer cells are believed to exist under a condition of chronic mitochondrial oxidative stress that is compensated for by increases in glucose metabolism to generate reducing equivalents. In this study we tested the hypothesis that a ketogenic diet concurrent with radiation and chemotherapy would be clinically tolerable in locally advanced non-small cell lung cancer (NSCLC) and pancreatic cancer and could potentially exploit cancer cell oxidative metabolism to improve therapeutic outcomes...
April 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28437189/metformin-attenuates-radiation-induced-pulmonary-fibrosis-in-a-murine-model
#11
Jian Wang, Ye Wang, Jun Han, Hong Mei, Dandan Yu, Qian Ding, Tao Zhang, Gang Wu, Gang Peng, Zhenyu Lin
While radiotherapy continues to be a major cancer treatment option, its dose-limiting side effects, such as pulmonary fibrosis, severely impair the quality of life in these patients. In this study, we evaluated the radioprotective effects of metformin, a commonly used biguanide antidiabetic medication, in a murine model of pulmonary damage. Sprague Dawley(®) rats received whole lung 20 Gy irradiation with or without metformin treatment. Computed tomography (CT) was performed and Hounsfield units (HU) were determined during the observation period...
April 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28437162/adjuvant-systemic-therapy-and-adjuvant-radiation-therapy-for-stage-i-to-iiia-completely-resected-non-small-cell-lung-cancers-american-society-of-clinical-oncology-cancer-care-ontario-clinical-practice-guideline-update
#12
Mark G Kris, Laurie E Gaspar, Jamie E Chaft, Erin B Kennedy, Christopher G Azzoli, Peter M Ellis, Steven H Lin, Harvey I Pass, Rahul Seth, Frances A Shepherd, David R Spigel, John R Strawn, Yee C Ung, Michael Weyant
Purpose The panel updated the American Society of Clinical Oncology (ASCO) adjuvant therapy guideline for resected non-small-cell lung cancers. Methods ASCO convened an update panel and conducted a systematic review of the literature, investigating adjuvant therapy in resected non-small-cell lung cancers. Results The updated evidence base covered questions related to adjuvant systemic therapy and included a systematic review conducted by Cancer Care Ontario current to January 2016. A recent American Society for Radiation Oncology guideline and systematic review, previously endorsed by ASCO, was used as the basis for recommendations for adjuvant radiation therapy...
April 24, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28434399/the-next-generation-of-immunotherapy-keeping-lung-cancer-in-check
#13
REVIEW
Ashwin Somasundaram, Timothy F Burns
Lung cancer is the deadliest malignancy with more cancer deaths per year than the next three cancers combined. Despite remarkable advances in targeted therapy, advanced lung cancer patients have not experienced a significant improvement in mortality. Lung cancer has been shown to be immunogenic and responsive to checkpoint blockade therapy. Checkpoint signals such as CTLA-4 and PD-1/PD-L1 dampen T cell activation and allow tumors to escape the adaptive immune response. Response rates in patients with pretreated, advanced NSCLC were much higher and more durable with PD-1 blockade therapy compared to standard-of-care, cytotoxic chemotherapy...
April 24, 2017: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/28433225/adjuvant-chemotherapy-is-associated-with-improved-survival-in-locally-invasive-node-negative-non-small-cell-lung-cancer
#14
Usman Ahmad, Traves D Crabtree, Aalok P Patel, Daniel Morgensztern, Cliff G Robinson, A Sasha Krupnick, Daniel Kreisel, David R Jones, G Alexander Patterson, Bryan F Meyers, Varun Puri
BACKGROUND: The objectives of this study are to explore factors that are associated with use of adjuvant chemotherapy and to evaluate its impact on overall survival in node-negative patients who undergo lung and chest wall resection for non-small cell lung cancer (NSCLC). METHODS: Patients who underwent concomitant lung and chest wall resection for NSCLC were abstracted from the National Cancer Database. Clinical, pathologic, treatment, and follow-up data were obtained...
April 19, 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28432456/deregulated-bcl-2-family-proteins-impact-on-repair-of-dna-double-strand-breaks-and-are-targets-to-overcome-radioresistance-in-lung-cancer
#15
Sarah A Wieczorek, Frank Breitenbuecher, Aashish Soni, Katja Paul-Konietzko, Sophie Ziegler, Ali Sak, George Iliakis, Martin Schuler
PURPOSE: DNA damage-induced cell death is a major effector mechanism of radiotherapy. Aberrant expression of anti-apoptotic BCL-2 family proteins is frequently observed in lung cancers. Against this background, we studied radioresistance mediated by BCL-2 family proteins at the mechanistic level and its potential as target for radiochemotherapy. METHODS: Lung cancer models stably expressing BCL-xL or MCL-1 were irradiated to study cell death, clonogenic survival, and DNA repair kinetics in vitro, and growth suppression of established tumors in vivo...
April 21, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28432275/better-cancer-specific-survival-in-young-small-cell-lung-cancer-patients-especially-with-ajcc-stage-iii
#16
Haiyong Wang, Jingze Zhang, Fang Shi, Chenyue Zhang, Qinghua Jiao, Hui Zhu
It has been reported that younger patients with non-small cell lung cancer (NSCLC) tend to have a better prognosis. Yet, few studies have focused on the clinicopathological characteristics and prognosis of young small cell lung cancer (SCLC), especially for patients with age < 50. In our study, we used Surveillance, Epidemiology, and End Results (SEER) population-based data and identified 16503 patients with SCLC including 711 patients aged < 50, 3338 patients aged 50-59, 5937 patients aged 60-69, 4649 patients aged 70-79 and 1868 patients aged ≥ 80 between 2010 and 2013...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431928/cisplatin-and-photodynamic-therapy-exert-synergistic-inhibitory-effects-on-small-cell-lung-cancer-cell-viability-and-xenograft-tumor-growth
#17
You-Shuang Chen, Yin-Bo Peng, Min Yao, Ji-Ping Teng, Da Ni, Zhi-Jun Zhu, Bu-Feng Zhuang, Zhi-Yin Yang
Lung cancer is the leading cause of cancer death worldwide. Small-cell lung cancer (SCLC) is an aggressive type of lung cancer that shows an overall 5-year survival rate below 10%. Although chemotherapy using cisplatin has been proven effective in SCLC treatment, conventional dose of cisplatin causes adverse side effects. Photodynamic therapy, a form of non-ionizing radiation therapy, is increasingly used alone or in combination with other therapeutics in cancer treatment. Herein, we aimed to address whether low dose cisplatin combination with PDT can effectively induce SCLC cell death by using in vitro cultured human SCLC NCI-H446 cells and in vivo tumor xenograft model...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28429473/surgery-for-limited-stage-small-cell-lung-cancer
#18
REVIEW
Hayley Barnes, Katharine See, Stephen Barnett, Renée Manser
BACKGROUND: Current treatment guidelines for limited-stage small-cell lung cancer (SCLC) recommend concomitant platinum-based chemo-radiotherapy plus prophylactic cranial irradiation, based on the premise that SCLC disseminates early, and is chemosensitive. However, although there is usually a favourable initial response, relapse is common and the cure rate for limited-stage SCLC remains relatively poor. Some recent clinical practice guidelines have recommended surgery for stage 1 (limited) SCLC followed by adjuvant chemotherapy, but this recommendation is largely based on the findings of observational studies...
April 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28429140/a-phase-i-ii-study-on-stereotactic-body-radiotherapy-with-real-time-tumor-tracking-using-cyberknife-based-on-the-monte-carlo-algorithm-for-lung-tumors
#19
Hiromitsu Iwata, Satoshi Ishikura, Taro Murai, Michio Iwabuchi, Mitsuhiro Inoue, Koshi Tatewaki, Seiji Ohta, Naoki Yokota, Yuta Shibamoto
BACKGROUND: In this phase I/II study, we assessed the safety and initial efficacy of stereotactic body radiotherapy (SBRT) for lung tumors with real-time tumor tracking using CyberKnife based on the Monte Carlo algorithm. METHODS: Study subjects had histologically confirmed primary non-small-cell lung cancer staged as T1a-T2aN0M0 and pulmonary oligometastasis. The primary endpoint was the incidence of Grade ≥3 radiation pneumonitis (RP) within 180 days of the start of SBRT...
April 20, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28428908/metastatic-squamous-cell-carcinoma-of-colon-from-esophageal-cancer
#20
Natasha Garg, Constance Stoehr, Yan Shi Zhao, Heather Rojas, Chung-Tsen Hsueh
BACKGROUND: Esophageal cancer including squamous cell carcinoma (SCC) and adenocarcinoma represents 4% of all cancers in the United States. Patients with esophageal cancer frequently present with locally advanced disease, and about 40% of patients have evidence of metastatic disease on presentation. Common sites of metastasis include liver, lung and bone. Here, we present a rare case of colonic metastasis from primary esophageal SCC. CASE PRESENTATION: A 60-year-old Caucasian male with a history of 20-pack-year cigarette smoking received surgery and adjuvant chemoradiotherapy for locally advanced SCC of larynx...
2017: Experimental Hematology & Oncology
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