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https://www.readbyqxmd.com/read/29335830/from-imaging-to-biology-of-glioblastoma-new-clinical-oncology-perspectives-to-the-problem-of-local-recurrence
#1
REVIEW
A Zygogianni, M Protopapa, A Kougioumtzopoulou, F Simopoulou, S Nikoloudi, V Kouloulias
GBM is one of the most common and aggressive brain tumors. Surgery and adjuvant chemoradiation have succeeded in providing a survival benefit. Although most patients will eventually experience local recurrence, the means to fight recurrence are limited and prognosis remains poor. In a disease where local control remains the major challenge, few trials have addressed the efficacy of local treatments, either surgery or radiation therapy. The present article reviews recent advances in the biology, imaging and biomarker science of GBM as well as the current treatment status of GBM, providing new perspectives to the problem of local recurrence...
January 15, 2018: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/29334562/is-a-pathological-complete-response-following-neoadjuvant-chemoradiation-associated-with-prolonged-survival-in-patients-with-pancreatic-cancer
#2
Jin He, Alex B Blair, Vincent P Groot, Ammar A Javed, Richard A Burkhart, Georgios Gemenetzis, Ralph H Hruban, Kevin M Waters, Justin Poling, Lei Zheng, Daniel Laheru, Joseph M Herman, Martin A Makary, Matthew J Weiss, John L Cameron, Christopher L Wolfgang
OBJECTIVES: To describe the survival outcome of patients with borderline resectable or locally advanced pancreatic ductal adenocarcinoma (BR/LA-PDAC) who have a pathologic complete response (pCR) following neoadjuvant chemoradiation. BACKGROUND: Patients with BR/LA-PDAC are often treated with neoadjuvant chemoradiation in an attempt to downstage the tumor. Uncommonly, a pCR may result. METHODS: A retrospective review of a prospectively maintained database was performed at a single institution...
January 12, 2018: Annals of Surgery
https://www.readbyqxmd.com/read/29333122/metformin-enhanced-in-vitro-radiosensitivity-associates-with-g2-m-cell-cycle-arrest-and-elevated-adenosine-5-monophosphate-activated-protein-kinase-levels-in-glioblastoma
#3
Sebastian Adeberg, Denise Bernhardt, Semi B Harrabi, Nils H Nicolay, Juliane Hörner-Rieber, Laila König, Michael Repka, Angela Mohr, Amir Abdollahi, Klaus-Josef Weber, Juergen Debus, Stefan Rieken
Background: It is hypothesized that metabolism plays a strong role in cancer cell regulation. We have recently demonstrated improved progression-free survival in patients with glioblastoma who received metformin as an antidiabetic substance during chemoradiation. Although metformin is well-established in clinical use the influence of metformin in glioblastoma is far from being understood especially in combination with other treatment modalities such as radiation and temozolomide. Materials and Methods: In this study, we examined the influence of metformin in combinations with radiation and temozolomide on cell survival (clonogenic survival), cell cycle (routine flow cytometric analysis, FACScan), and phosphorylated Adenosine-5'-monophosphate-activated protein kinase (AMPK) (Phopho-AMPKalpha1 - ELISA) levels in glioblastoma cell lines LN18 and LN229...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29333119/phytotherapeutics-oridonin-and-ponicidin-show-additive-effects-combined-with-irradiation-in-pancreatic-cancer-in-vitro
#4
Jakob Liermann, Patrick Naumann, Franco Fortunato, Thomas E Schmid, Klaus-Josef Weber, Jürgen Debus, Stephanie E Combs
Background: Chemoradiation of locally advanced non-metastatic pancreatic cancer can lead to secondary operability by tumor mass reduction. Here, we analyzed radiomodulating effects of oridonin and ponicidin in pancreatic cancer in vitro. Both agents are ent-kaurane diterpenoids, extracted from Isodon rubescens, a plant that is well known in Traditional Chinese Medicine. Cytotoxic effects have recently been shown in different tumor entities for both agents. Materials and methods: Pancreatic cancer cell lines AsPC-1, BxPC-3, Panc-1 and MIA PaCa-2 were pretreated with oridonin or ponicidin and irradiated with 2 Gy to 6 Gy...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29332468/local-radiotherapy-affects-drug-pharmacokinetics-exploration-of-a-neglected-but-significant-uncertainty-of-cancer-therapy
#5
Yu-Jen Chen, Tung-Hu Tsai, Li-Ying Wang, Chen-Hsi Hsieh
PURPOSE: Concurrent chemoradiation therapy is the mainstay of treatment for many types of malignancies. However, concurrent chemoradiation therapy is associated with a greater number of systemic adverse effects than radiotherapy or chemotherapy alone. SUMMARY: Pharmacokinetics is the study of a drug and/or its metabolite kinetics in the body, including absorption, distribution, metabolism, and elimination. The incidences of adverse effects are markedly higher in patients who receive concurrent chemoradiation therapy than in those who receive either radiotherapy or chemotherapy alone...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29332248/performance-of-diffusion-weighted-magnetic-resonance-imaging-at-3-0t-for-early-assessment-of-tumor-response-in-locally-advanced-rectal-cancer-treated-with-preoperative-chemoradiation-therapy
#6
Andrea Delli Pizzi, Roberta Cianci, Domenico Genovesi, Gianluigi Esposito, Mauro Timpani, Alessandra Tavoletta, Pierluigi Pulsone, Raffaella Basilico, Daniela Gabrielli, Consuelo Rosa, Luciana Caravatta, Monica Di Tommaso, Massimo Caulo, Antonella Filippone
PURPOSE: The purpose of the article is to determine whether changes in apparent diffusion coefficient (ADC) values of locally advanced rectal cancer (LARC) obtained 2 weeks after the beginning of chemoradiation therapy (CRT) allow to predict treatment response and whether correlate with tumor histopathologic response. METHODS: Forty-three patients receiving CRT for LARC and 3.0T magnetic resonance imaging with diffusion-weighted sequences before treatment, 2 weeks during, and 8 weeks post the completion of CRT were included...
January 13, 2018: Abdominal Radiology
https://www.readbyqxmd.com/read/29332233/pilot-study-of-serial-flt-and-fdg-pet-ct-imaging-to-monitor-response-to-neoadjuvant-chemoradiotherapy-of-esophageal-adenocarcinoma-correlation-with-histopathologic-response
#7
Victor H Gerbaudo, Joseph H Killoran, Chun K Kim, Jason L Hornick, Jonathan A Nowak, Peter C Enzinger, Harvey J Mamon
OBJECTIVE: The aim of this prospective pilot study was to investigate the potential of serial FLT-PET/CT compared to FDG-PET/CT to provide an early indication of esophageal cancer response to concurrent neoadjuvant chemoradiation therapy. METHODS: Five patients with biopsy-proven esophageal adenocarcinomas underwent neoadjuvant chemoradiation (Tx) prior to minimally invasive esophagectomy. The presence of residual tumor was classified histologically using the Mandard et al...
January 13, 2018: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/29329660/cochlea-ct-radiomics-predicts-chemoradiotherapy-induced-sensorineural-hearing-loss-in-head-and-neck-cancer-patients-a-machine-learning-and-multi-variable-modelling-study
#8
Hamid Abdollahi, Shayan Mostafaei, Susan Cheraghi, Isaac Shiri, Seied Rabi Mahdavi, Anoshirvan Kazemnejad
OBJECTIVES: Immediately or after head-and-neck (H&N) cancer chemoradiotherapy (CRT), patients may undergone significant sensorineural hearing loss (SNHL) which could affect their quality of life. Radiomic feature analysis is proposed to predict SNHL induced by CRT. MATERIAL AND METHODS: 490 image features of 94 cochlea from 47 patients treated with three dimensional conformal RT (3DCRT) for different H&N cancers were extracted from CT images. Different machine learning (ML) algorithms and also least absolute shrinkage and selection operator (LASSO) penalized logistic regression were implemented on radiomic features for feature selection, classification and prediction...
January 9, 2018: Physica Medica: PM
https://www.readbyqxmd.com/read/29329157/smad4-loss-correlates-with-higher-rates-of-local-and-distant-failure-in-pancreatic-adenocarcinoma-patients-receiving-adjuvant-chemoradiation
#9
Joseph M Herman, Salma K Jabbour, Steven H Lin, Matthew P Deek, Charles C Hsu, Elliot K Fishman, Sinae Kim, John L Cameron, Marina Chekmareva, Daniel A Laheru, Amol K Narang, Timothy M Pawlik, Ralph H Hruban, Christopher L Wolfgang, Christine A Iacobuzio-Donahue
OBJECTIVES: The tumor suppressor gene SMAD4 (DPC4) is genetically inactivated in approximately half of pancreatic ductal adenocarcinomas (PDAs). We examined whether Smad4 tumor status was associated with outcomes after adjuvant chemoradiation (CRT) for resected PDAs. METHODS: Patients treated with adjuvant CRT were identified (N = 145). Smad4 status was determined by immunolabeling and graded as intact or lost. Kaplan-Meier method and multivariable competing risk analyses were performed...
January 12, 2018: Pancreas
https://www.readbyqxmd.com/read/29327180/chemotherapy-with-or-without-definitive-radiation-therapy-in-inoperable-pancreatic-cancer
#10
Jim Zhong, Jeffrey Switchenko, Madhusmita Behera, David Kooby, Shishir K Maithel, Mark W McDonald, Jolinta Y Lin, Richard J Cassidy, Bassel El-Rayes, Jerome Landry, Pretesh R Patel
BACKGROUND: The LAP07 randomized trial calls into question the role of radiation therapy (RT) in the modern treatment of locally advanced pancreatic cancer (LAPC). However, advances in chemotherapy and RT limit application of the LAP07 results to current clinical practice. Here we utilize the National Cancer Database (NCDB) to evaluate the effects of RT in patients receiving chemotherapy for LAPC. METHODS: Using the NCDB, patients with American Joint Committee on Cancer (AJCC) clinical stage T2-4, N0-1, M0 adenocarcinoma of the pancreas from 2004 to 2014 were analyzed...
January 11, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29326090/the-addition-of-chemotherapy-to-radiation-therapy-improves-survival-in-elderly-patients-with-stage-iii-non-small-cell-lung-cancer
#11
Eric D Miller, James L Fisher, Karl E Haglund, John C Grecula, Meng Xu-Welliver, Erin M Bertino, Kai He, Peter G Shields, David P Carbone, Terence M Williams, Gregory A Otterson, Jose G Bazan
INTRODUCTION: Elderly patients represent the majority of lung cancer diagnoses but are poorly represented in clinical trials. We evaluated the overall survival (OS) of elderly patients with stage III non-small cell lung cancer (NSCLC) treated with definitive radiation compared to those treated with definitive chemoradiation. METHODS: We conducted a comparative effectiveness study of radiation therapy vs. chemoradiation in elderly (≥70 years old) patients with stage III NSCLC not treated surgically diagnosed from 2003-2014 using the National Cancer Database...
December 18, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29324061/the-prediction-of-deterioration-of-nutritional-status-during-chemoradiation-therapy-in-patients-with-esophageal-cancer
#12
Sofia C M Rietveld, Jill E Witvliet-van Nierop, Karen Ottens-Oussoren, Donald L van der Peet, Marian A E de van der Schueren
Patients with esophageal cancer are at high risk of developing malnutrition during neoadjuvant chemoradiation therapy (CRT), which in turn is associated with postoperative morbidity. The aim of the study is to explore whether parameters of a complete pre-treatment nutritional status may predict deterioration of nutritional status during CRT in patients with esophageal cancer. In this prospective cohort study, 101 patients with esophageal cancer treated with CRT were included. Data of patient characteristics, tumor classification, performance score, %weight change, body mass index, fat (free) mass index, phase angle, handgrip strength, energy- and protein intake, and use of (additional) dietary supplements were collected...
January 11, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29323575/phase-ii-investigational-oral-drugs-for-the-treatment-of-radio-chemotherapy-induced-oral-mucositis
#13
Stephen T Sonis, Alessandro Villa
Oral mucositis is a significant unmet clinical need for many cancer patients. The biological complexity of mucositis' pathogenesis provides a number of mechanistic targets suitable as pharmacologic targets. The diversity of targets has stimulated drug development in search of an effective intervention. In this paper, we review a range of agents that are currently being evaluated. Areas covered: Drugs for management of oral mucositis vary in formulation, route of administration and biological target. Most propose to interrupt the initiation of injury by suppressing activation of the innate immune response or countering oxidative stress, or minimizing downstream inflammatory responses...
January 11, 2018: Expert Opinion on Investigational Drugs
https://www.readbyqxmd.com/read/29323421/head-and-neck-cancer-tumor-seeding-at-the-percutaneous-endoscopic-gastrostomy-site
#14
REVIEW
June R Greaves
The National Institutes of Health National Cancer Institute estimates that over 13,000 new cases of head and neck cancer (HNC) will be diagnosed in 2017. Patients with HNC often require enteral nutrition (EN) via gastrostomy tube to provide nutrition support and hydration because of tumor obstruction of the oropharynx and/or cumulative effects of chemoradiation therapy. The percutaneous endoscopic gastrostomy (PEG) tube has become the preferred technique for EN access because placement is considered a minimally invasive procedure...
January 11, 2018: Nutrition in Clinical Practice
https://www.readbyqxmd.com/read/29318432/the-price-study-the-role-of-conventional-and-diffusion-weighted-magnetic-resonance-imaging-in-assessment-of-locally-advanced-cervical-cancer-patients-administered-by-chemoradiation-followed-by-radical-surgery
#15
A L Valentini, M Miccò, B Gui, M Giuliani, E Rodolfino, A M Telesca, T Pasciuto, A Testa, M A Gambacorta, G Zannoni, V Rufini, A Giordano, V Valentini, G Scambia, R Manfredi
OBJECTIVES: To analyse the role of DW-MRI in early prediction of pathologically-assessed residual disease in locally-advanced cervical cancer (LACC) treated with neoadjuvant chemoradiotherapy followed by radical surgery. METHODS: Between October 2010-June 2014, 108 women with histologically-proven cervical cancer were screened; 88 were included in this study. Tumour volume (TV) and ADCmean were measured before (baseline-MRI) and after 2 weeks of chemoradiotherapy (early-MRI)...
January 9, 2018: European Radiology
https://www.readbyqxmd.com/read/29315497/health-care-disparities-among-octogenarians-and-nonagenarians-with-stage-iii-lung-cancer
#16
Richard J Cassidy, Xinyan Zhang, Jeffrey M Switchenko, Pretesh R Patel, Joseph W Shelton, Sibo Tian, Ronica H Nanda, Conor E Steuer, Rathi N Pillai, Taofeek K Owonikoko, Suresh S Ramalingam, Felix G Fernandez, Seth D Force, Theresa W Gillespie, Walter J Curran, Kristin A Higgins
BACKGROUND: To the authors' knowledge, the practice patterns for patients aged more than 80 years with stage III non-small cell lung cancer (NSCLC) is not well known. The purpose of the current study was to investigate factors predictive of and the impact on overall survival (OS) after concurrent chemoradiation (CRT) among patients aged ≥80 years with American Joint Committee on Cancer stage III NSCLC in the National Cancer Data Base (NCDB). METHODS: In the NCDB, patients aged ≥80 years who were diagnosed with stage III NSCLC from 2004 to 2013 with complete treatment records were identified...
January 8, 2018: Cancer
https://www.readbyqxmd.com/read/29315410/standard-chemoradiation-in-combination-with-vegf-targeted-therapy-for-glioblastoma-results-in-progressive-gray-and-white-matter-volume-loss
#17
Morgan L Prust, Kourosh Jafari-Khouzani, Jayashree Kalpathy-Cramer, Pavlina Polaskova, Tracy T Batchelor, Elizabeth R Gerstner, Jorg Dietrich
No abstract text is available yet for this article.
January 5, 2018: Neuro-oncology
https://www.readbyqxmd.com/read/29315288/the-promise-of-immunotherapy-in-anal-squamous-cell-carcinoma-a-novel-approach-for-an-orphan-disease
#18
Benny Johnson, Cathy Eng
An estimated 8200 men and women in the United States will receive a diagnosis of squamous cell carcinoma of the anal canal (SCCA) in 2017. Although SCCA is rare, accounting for 2.6% of gastrointestinal cancers, its incidence rate has been steadily increasing over the last few decades in the United States and around the world. More than 90% of cases of SCCA occur in the context of prior human papillomavirus (HPV) infection. To date, preventive vaccinations against HPV remain markedly underutilized. Most patients who have SCCA present with locoregional disease that is cured with chemoradiation...
December 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/29313857/extracapsular-lymph-node-involvement-after-neoadjuvant-chemoradiation-in-esophageal-carcinoma-how-to-interpret
#19
COMMENT
Lieven P Depypere, Philippe R Nafteux
No abstract text is available yet for this article.
December 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29313396/the-role-of-tamis-transanal-minimally-invasive-surgery-in-the-management-of-advanced-rectal-cancer-one-shared-story-of-three-exceptional-cases
#20
Dimitrios Giannoulopoulos, Constantinos Nastos, Maria Gavriatopoulou, Antonios Vezakis, Dionysios Dellaportas, Ira Sotirova, Georgios Giokas, Georgios Polymeneas, Theodosios Theodosopoulos
PURPOSE OF THE STUDY: The current gold standard for contemporary treatment of rectal cancer is total mesorectal excision (TME), achieving excellent local disease control and low recurrence rates. However, TME may be associated with postoperative mortality and quality of life deterioration. Therefore, the need to develop less radical treatment strategies has emerged. Transanal minimally invasive surgery (TAMIS) is currently indicated only for early rectal cancer. However, local excision following chemoradiation has yielded promising clinical outcomes in selected cases with more advanced disease...
January 9, 2018: Journal of Investigative Surgery: the Official Journal of the Academy of Surgical Research
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