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https://www.readbyqxmd.com/read/28334771/efficacy-and-safety-of-a-3-month-dosing-regimen-of-degarelix-in-japanese-patients-with-prostate-cancer-a-phase-ii-maintenance-dose-finding-study
#1
Seiichiro Ozono, Taiji Tsukamoto, Seiji Naito, Yasuo Ohashi, Takeshi Ueda, Tsutomu Nishiyama, Hideki Maeda, Hidehito Kusuoka, Rio Akazawa, Mototsugu Ito, Hideyuki Akaza
Objective: To evaluate the efficacy and safety of degarelix 3-month depot in Japanese patients with prostate cancer. Methods: In this Phase II, open-label, parallel-group study, 155 Japanese prostate cancer patients were randomized to treatment with degarelix administered subcutaneously at a maintenance dose of 360 or 480 mg every 84 days for 12 months, after receiving an initial dose of 240 mg. The primary endpoint was the cumulative probability of serum testosterone ≤0...
February 18, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28334728/does-emergency-presentation-of-cancer-represent-poor-performance-in-primary-care-insights-from-a-novel-analysis-of-linked-primary-and-secondary-care-data
#2
Peter Murchie, Sarah M Smith, Michael S Yule, Rosalind Adam, Melanie E Turner, Amanda J Lee, Shona Fielding
BACKGROUND: People diagnosed with cancer following emergency presentation have poorer short-term survival. To what extent this signifies a missed opportunity for earlier diagnosis in primary care remains unclear as little detailed data exist on the patient/general practitioner interaction beforehand. METHODS: Analysis of primary care and regional data for 1802 cancer patients from Northeast Scotland. Adjusted odds ratios (OR) and 95% confidence intervals (CIs) for patient and GP practice predictors of emergency presentation...
March 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28334439/a-phase-2-trial-of-dasatinib-in-patients-with-locally-advanced-or-stage-iv-mucosal-acral-or-vulvovaginal-melanoma-a-trial-of-the-ecog-acrin-cancer-research-group-e2607
#3
Kevin Kalinsky, Sandra Lee, Krista M Rubin, Donald P Lawrence, Anthony J Iafrarte, Darell R Borger, Kim A Margolin, Mario M Leitao, Ahmad A Tarhini, Henry B Koon, Andrew L Pecora, Anthony J Jaslowski, Gary I Cohen, Timothy M Kuzel, Christopher D Lao, John M Kirkwood
BACKGROUND: KIT-directed tyrosine kinase inhibitors such as imatinib have demonstrated benefits in KIT-mutant (KIT+) mucosal, acral, vulvovaginal, and chronically sun-damaged (CSD) melanoma. Dasatinib has superior preclinical activity in comparison with other tyrosine kinase inhibitors against cells with the most common KIT mutation, exon 11(L576P) . The ECOG-ACRIN E2607 trial assessed dasatinib in patients with these melanoma subtypes. METHODS: Patients received 70 mg of oral dasatinib twice daily...
March 23, 2017: Cancer
https://www.readbyqxmd.com/read/28333918/21-gene-recurrence-score-testing-among-medicare-beneficiaries-with-breast-cancer-in-2010-2013
#4
Julie A Lynch, Brygida Berse, Nicole Coomer, John Kautter
PURPOSE: We evaluated national patient-level utilization of the 21-gene recurrence score (21-gene RS) test among Medicare beneficiaries with breast cancer. We analyzed clinical, demographic, and regional factors that predict testing. METHODS: Using 2010-2013 Medicare claims, we conducted a retrospective study of breast cancer patients. The outcome variable was whether the patient underwent testing. Independent variables expected to predict testing were age, gender, race, Medicaid status, clinical characteristics, and hospital referral region (HRR)...
March 23, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28333356/the-safety-and-efficacy-of-controlled-ovarian-hyperstimulation-for-fertility-preservation-in-women-with-early-breast-cancer-a-systematic-review
#5
Rachael J Rodgers, Geoffrey D Reid, Juliette Koch, Rebecca Deans, William L Ledger, Michael Friedlander, Robert B Gilchrist, Kirsty A Walters, Jason A Abbott
STUDY QUESTION: Can controlled ovarian hyperstimulation (COH) for fertility preservation be effectively conducted in women with breast cancer without worsening their prognosis? SUMMARY ANSWER: COH with co-administration of letrozole suppresses oestradiol levels without significantly impacting oocyte yield or decreasing disease-free survival rates. WHAT IS KNOWN ALREADY: Oestradiol has the capacity to stimulate the proliferation of breast cancer cells...
February 27, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28333304/further-insights-into-the-impact-of-mouse-follicle-stage-on-graft-outcome-in-an-artificial-ovary-environment
#6
M C Chiti, M M Dolmans, C M Lucci, F Paulini, J Donnez, C A Amorim
STUDY QUESTION: Are mouse preantral follicles differently affected by isolation, encapsulation and/or grafting procedures according to stage? SUMMARY ANSWER: Isolated secondary follicles showed superior ability to survive and grow after transplantation, which was not related to a particular effect of the isolation and/or grafting procedure, but rather to their own ability to induce neoangiogenesis. WHAT IS KNOWN ALREADY: Isolated and encapsulated mouse preantral follicles can survive (6-27%) and grow (80-100%) in a fibrin matrix with a low concentration of fibrinogen and thrombin (F12...
March 17, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28333106/isolation-characterization-and-antiproliferative-activity-of-new-metabolites-from-the-south-african-endemic-red-algal-species-laurencia-alfredensis
#7
Godwin A Dziwornu, Mino R Caira, Jo-Anne de la Mare, Adrienne L Edkins, John J Bolton, Denzil R Beukes, Suthananda N Sunassee
The marine red algae of the genus Laurencia have been widely studied for their structurally diverse and biologically active secondary metabolites. We report here the natural product investigation of the organic extract of a newly identified South African endemic species, Laurencia alfredensis. A sequence of column chromatography, preparative TLC and normal phase HPLC resulted in the isolation of eleven compounds comprising three labdane-type diterpenes (1-3), four polyether triterpenes (4-7), three cholestane-type ecdysteroids (8-10) and a glycolipid (11)...
March 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28333084/establishing-the-secondary-metabolite-profile-of-the-marine-fungus-tolypocladium-geodes-sp-mf458-and-subsequent-optimisation-of-bioactive-secondary-metabolite-production
#8
Bethlehem Kebede, Stephen K Wrigley, Anjali Prashar, Janina Rahlff, Markus Wolf, Jeanette Reinshagen, Philip Gribbon, Johannes F Imhoff, Johanna Silber, Antje Labes, Bernhard Ellinger
As part of an international research project, the marine fungal strain collection of the Helmholtz Centre for Ocean Research (GEOMAR) research centre was analysed for secondary metabolite profiles associated with anticancer activity. Strain MF458 was identified as Tolypocladium geodes, by internal transcribed spacer region (ITS) sequence similarity and its natural product production profile. By using five different media in two conditions and two time points, we were able to identify eight natural products produced by MF458...
March 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28333021/a-phase-1-2-trial-of-a-combination-of-paclitaxel-and-trastuzumab-with-daily-irradiation-or-paclitaxel-alone-with-daily-irradiation-after-transurethral-surgery-for-noncystectomy-candidates-with-muscle-invasive-bladder-cancer-trial-nrg-oncology-rtog-0524
#9
M Dror Michaelson, Chen Hu, Huong T Pham, Douglas M Dahl, Chin Lee-Wu, Gregory P Swanson, Jacqueline Vuky, R Jeffrey Lee, Luis Souhami, Brian Chang, Asha George, Howard Sandler, William Shipley
PURPOSE: Bladder preservation therapy is an effective treatment for muscle-invasive urothelial carcinoma (UC). In this study we treated noncystectomy candidates with daily radiation and weekly paclitaxel for 7 weeks. Patients whose tumors showed her2/neu overexpression were additionally treated with weekly trastuzumab. METHODS AND MATERIALS: Sixty-eight evaluable patients were treated with radiation therapy and either paclitaxel + trastuzumab (group 1) or paclitaxel alone (group 2)...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28332990/continuous-activity-monitoring-during-concurrent-chemoradiotherapy
#10
Nitin Ohri, Rafi Kabarriti, William R Bodner, Keyur J Mehta, Viswanathan Shankar, Balazs Halmos, Missak Haigentz, Bruce Rapkin, Chandan Guha, Shalom Kalnicki, Madhur Garg
PURPOSE: To perform a prospective trial testing the feasibility and utility of acquiring activity data as a measure of health status during concurrent chemoradiotherapy. METHODS AND MATERIALS: Ambulatory patients who were planned for treatment with concurrent chemoradiotherapy with curative intent for cancers of the head and neck, lung, or gastrointestinal tract were provided with activity monitors before treatment initiation. Patients were asked to wear the devices continuously throughout the radiation therapy course...
April 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28331819/clinical-outcomes-of-cyberknife-stereotactic-radiosurgery-for-elderly-patients-with-presumed-primary-stage-i-lung-cancer
#11
Zhen Wang, Ao-Mei Li, Jie Gao, Jing Li, Bing Li, Percy Lee, Charles B Simone, Yong Song, Xi-Xu Zhu
BACKGROUND: In certain situations, especially in the elderly patient population, a tissue diagnosis of a suspected pulmonary neoplasm is not feasible. Often, a definitive treatment such as stereotactic body radiosurgery is recommended, rather than active surveillance. The aim of this study is to evaluate the efficacy and tolerability of stereotactic body radiotherapy (SBRT) for elderly patients with presumed primary stage I lung cancer without pathological tissue confirmation. METHODS: We performed a retrospective analysis of 25 elderly patients (≥75 years) with presumed primary stage I lung cancer treated with SBRT from 2009-2015...
February 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28331768/external-jugular-vein-thrombosis-as-a-sign-of-metastatic-breast-cancer
#12
Metin Yalaza, Mehmet Tolga Kafadar, Esra Yurduseven Çıvgın, Arife Polat Düzgün
External jugular vein thrombosis is a rare vascular event which may lead fatal complication such as sepsis and pulmonary embolism. Its relation to the visceral solid tumor as an etiologic factor has been established well. Although external jugular vein thrombosis may be seen in malignancy, it is unusual to see as a sign of breast cancer. Most of the external jugular vein thrombosis occurs secondary to compression of the vein. Vascular thrombosis due to hypercoagulability is known as Trousseau syndrome. Herein, we present a case of metastatic breast cancer which presented with external jugular vein thrombosis; Trousseau syndrome...
January 2017: J Breast Health (2013)
https://www.readbyqxmd.com/read/28331614/sudden-hearing-loss-in-a-melanoma-patient-on-pembrolizumab-an-etiology-not-to-be-omitted-in-the-differential-diagnosis
#13
EDITORIAL
Marc-Elie Nader, Jeffrey N Myers, Paul W Gidley
Immune checkpoint inhibitors have emerged as a promising therapeutic option for metastatic cancers. However, they have been associated with inflammatory adverse reactions in various organ systems. A recent article reported a case of sudden bilateral hearing loss that occurred in a patient with metastatic melanoma being treated with pembrolizumab. The authors attributed that complication to an autoimmune reaction secondary to the treatment. This commentary discusses the importance of considering the diagnosis of leptomeningeal metastasis in patients with metastatic melanoma who present with new cranial nerve deficits...
2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28330927/e3-ubiquitin-ligase-ubr5-drives-the-growth-and-metastasis-of-triple-negative-breast-cancer
#14
Liqiu Liao, Mei Song, Xin Li, Lili Tang, Tuo Zhang, Lixing Zhang, Yihang Pan, Lotfi Chouchane, Xiaojing Ma
Patients with triple negative breast cancers (TNBC) are at high risk for recurrence and metastasis at an early time despite standard treatment, underscoring the need for novel therapeutic modalities. Here we report for the first time a distinctive and profound role of the E3 ubiquitin ligase UBR5 in the growth and metastasis of TNBC. An analysis of primary TNBC specimen by whole exon sequencing revealed strong gene amplifications of UBR5 associated with the disease. UBR5 overexpression in TNBC tissues was confirmed at mRNA and protein levels...
March 22, 2017: Cancer Research
https://www.readbyqxmd.com/read/28330704/an-update-on-non-extremity-soft-tissue-sarcomas
#15
S J Ford, L M Almond, A Gronchi
The management of soft tissue sarcoma is challenging and varied. Centralisation of management in high volume specialist centres has revolutionised outcomes. Surgery remains the mainstay of treatment and is currently the only potentially curative therapy. Retroperitoneal soft tissue sarcoma presents a particular challenge to the surgical oncologist and the concept of extended resection to include surrounding expendable organs taken en bloc with the tumour has now largely been adopted. The use of neoadjuvant and adjuvant therapies for retroperitoneal soft tissue sarcoma is still to be established, although they are employed on a case-specific basis...
March 19, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28330310/diversity-and-bioactive-potentials-of-culturable-heterotrophic-bacteria-from-the-surficial-sediments-of-the-arabian-sea
#16
Abdulaziz Anas, Charulatha Nilayangod, C Jasmin, Saradavey Vinothkumar, P S Parameswaran, Shanta Nair
Marine sediments accommodate plethora of diverse microorganisms with varying ecological functions. In the present study, we isolated bacteria from surficial sediments of south east Arabian Sea (AS) and evaluated their bioactive potentials. A total of 131 isolates belonging to the phylum: γ-Proteobacteria (63%), Bacillales (34%) and Micrococcaceae (3%) were isolated. Among these, about 40% of the isolates showed the presence of secondary metabolite biosynthetic genes such as PKS or NRPS or both. Organic extracts of nearly 50% of these organisms were cytotoxic to human breast cancer MCF-7 cells and were bactericidal to human pathogens, Escherichia coli and Pseudomonas sp...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330230/isolation-and-biological-evaluation-of-n-4-aminocyclooctyl-3-5-dinitrobenzamide-a-new-semisynthetic-derivative-from-the-mangrove-associated-actinomycete-pseudonocardia-endophytica-vuk-10
#17
Usha Kiranmayi Mangamuri, Muvva Vijayalakshmi, Sudhakar Poda, Bramanandam Manavathi, Bhujangarao Chitturi, Venkateswarlu Yenamandra
The present study was aimed to isolate novel bioactive compounds from actinomycetes species isolated from mangrove habitats. With this connection, Pseudonocardia endophytica (VUK-10) was isolated using dilution plate technique and was examined for its secondary metabolite profiling. After successive purification and spectroscopic characterization viz., FTIR, mass, NMR, DEPT, HMQC, HMBC, and COSY spectroscopy, two compounds were identified including a semi synthetic derivative N-(4-aminocyclooctyl)-3, 5-dinitrobenzamide (1), obtained from the precursor of novel natural product cyclooctane-1,4-diamine (3), along with a known compound 3-((1H-indol-6-yl) methyl) hexahydropyrrolo [1, 2-a] pyrazine-1, 4-dione (2)...
December 2016: 3 Biotech
https://www.readbyqxmd.com/read/28330133/bioactive-metabolites-produced-by-streptomyces-cheonanensis-vuk-a-from-coringa-mangrove-sediments-isolation-structure-elucidation-and-bioactivity
#18
Ushakiranmayi Mangamuri, Vijayalakshmi Muvva, Sudhakar Poda, Krishna Naragani, Rajesh Kumar Munaganti, Bhujangarao Chitturi, Venkateswarlu Yenamandra
The strain VUK-A was isolated from a sediment sample of the Coringa mangrove ecosystem was identified as Streptomyces cheonanensis based on morphological, physiological, biochemical and molecular properties. Chemical investigation of the secondary metabolites of the strain Streptomyces cheonanensis VUK-A has led to the segregation of two bioactive compounds, namely 2-Methyl butyl propyl phthalate (1) and Diethyl phthalate (2) using column chromatography. The chemical structure of the active compounds was established on the basis of spectroscopic analysis, including (1)H NMR and (13)C NMR spectroscopies, FTIR and EIMS...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28328323/an-adaptable-high-throughput-technology-enabling-the-identification-of-specific-transcription-modulators
#19
Tim Bergbrede, Emily Hoberg, Nils-Göran Larsson, Maria Falkenberg, Claes M Gustafsson
Mitochondria harbor the oxidative phosphorylation (OXPHOS) system, which under aerobic conditions produces the bulk of cellular adenosine triphosphate (ATP). The mitochondrial genome encodes key components of the OXPHOS system, and it is transcribed by the mitochondrial RNA polymerase, POLRMT. The levels of mitochondrial transcription correlate with the respiratory activity of the cell. Therefore, compounds that can increase or decrease mitochondrial gene transcription may be useful for fine-tuning metabolism and could be used to treat metabolic diseases or certain forms of cancer...
April 2017: SLAS Discov
https://www.readbyqxmd.com/read/28327923/heart-dose-exposure-as-prognostic-marker-after-radiotherapy-for-resectable-stage-iiia-b-non-small-cell-lung-cancer-secondary-analysis-of-a-randomised-trial
#20
M Guberina, W Eberhardt, M Stuschke, T Gauler, F Heinzelmann, D Cheufou, M Kimmich, G Friedel, H Schmidberger, K Darwiche, V Jendrossek, M Schuler, G Stamatis, C Pöttgen
BACKGROUND: Heart exposure to ionizing irradiation can cause ischemic heart disease. The partial heart volume receiving ≥5 Gy (heartV5) was supposed to be an independent prognostic factor for survival after radiochemotherapy for locally advanced non-small cell lung cancer (NSCLC). But validation of the latter hypothesis is needed under the concurrent risks of lung cancer patients. PATIENTS AND METHODS: The ESPATUE phase III trial recruited patients with potentially operable IIIA(N2)/selected IIIB NSCLC between 01/2004 and 01/2013...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
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