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https://www.readbyqxmd.com/read/28345838/ercc1-expression-in-metastatic-triple-negative-breast-cancer-patients-treated-with-platinum-based-chemotherapy
#1
Mohamed Ali EL Baiomy, Wagdi F El Kashef
Background: Possible targeted therapies for metastatic triple negative breast cancer (TNBC) include cytotoxic chemotherapy that causes interstrand breaks (platinum-based drugs). The excision repair cross-complementation 1 (ERCC1) enzyme plays an essential role in the nucleotide excision repair pathway, removing platinum-induced DNA adducts and contributing to cisplatin resistance. Detecting ERCC1 overexpression is important in considering treatment options for metastatic TNBC, including individualized approaches to therapy, and may facilitate improved responses or reduction of unnecessary toxicity...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345276/a-prospective-evaluation-of-levofloxacin-based-triple-therapy-for-refractory-helicobacter-pylori-infection-in-australia
#2
Ph Katelaris, Al Katelaris
BACKGROUND: First line Helicobacter pylori eradication failure is a common and challenging problem. AIMS: To assess the efficacy of salvage levofloxacin-based triple therapy in Australia. METHODS: Prospective patients referred after prior treatment failure(s) were prescribed esomeprazole 40 mg, amoxicillin 1 g and levofloxacin 500 mg each twice daily for ten days. All patients received detailed written and verbal adherence support. Outcome assessment was by (13) C-urea breath test and/or histology and urease test...
March 27, 2017: Internal Medicine Journal
https://www.readbyqxmd.com/read/28344858/nab-paclitaxel-for-the-treatment-of-breast-cancer-an-update-across-treatment-settings
#3
REVIEW
Adam Brufsky
PURPOSE: The purpose of this systematic review is to discuss recent studies and ongoing trials of nab-paclitaxel in breast cancer and to examine the potential role of nab-paclitaxel as a backbone for immuno-oncology therapies. METHODS: PubMed and selected congress proceedings were searched for studies of nab-paclitaxel in breast cancer published between 2013 and 2015. All phase II and III clinical trials, retrospective analyses, and institutional studies were included...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28341617/internet-delivered-health-interventions-that-work-systematic-review-of-meta-analyses-and-evaluation-of-website-availability
#4
Mary Am Rogers, Kelsey Lemmen, Rachel Kramer, Jason Mann, Vineet Chopra
BACKGROUND: Due to easy access and low cost, Internet-delivered therapies offer an attractive alternative to improving health. Although numerous websites contain health-related information, finding evidence-based programs (as demonstrated through randomized controlled trials, RCTs) can be challenging. We sought to bridge the divide between the knowledge gained from RCTs and communication of the results by conducting a global systematic review and analyzing the availability of evidence-based Internet health programs...
March 24, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28340820/role-of-everolimus-on-cardiac-functions-in-kidney-transplant-recipients
#5
U Cakir, G Alis, T Erturk, A H Karayagiz, U Karabulut, I Berber
BACKGROUND: Kidney transplantation is known to increase the survival of dialysis patients by ameloriating cardiac status, including both systolic and diastolic functions. We aimed to evaluate the role of immunosuppressive drug regimens on cardiac functions of kidney transplant recipients (KTRs). METHODS: We prospectively evaluated 120 KTRs immediately before and 1 year after the kidney transplantation, using tissue Doppler echocardiography. A triple immunosuppressive therapy including tacrolimus, mycophenoloic acid (MPA), and prednisolone was started for all patients...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340223/implantation-of-cardiac-resynchronization-therapy-devices-using-three-leads-by-cephalic-vein-dissection-approach
#6
Alexios Hadjis, Riccardo Proietti, Vidal Essebag
Aims: Percutaneous subclavian, axillary, and cephalic vein access are all used in conjunction for atrial and ventricular lead implantation, though no standard approach for cardiac resynchronization therapy (CRT) device implantation has been established. We describe an effective and a safe technique for implanting three leads via cephalic vein for CRT pacemaker and/or defibrillator implantations. Methods and results: A total of 171 consecutive patients undergoing de novo implantation of CRT pacemaker or defibrillator were included...
March 17, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28337998/circulating-tumor-cell-status-monitors-the-treatment-responses-in-breast-cancer-patients-a-meta-analysis
#7
Wen-Ting Yan, Xiang Cui, Qing Chen, Ya-Fei Li, You-Hong Cui, Yan Wang, Jun Jiang
Whether circulating tumor cells (CTCs) can be used as an indicator of treatment response in breast cancer (BC) needs to be clarified. We addressed this issue by a meta-analysis. PubMed, EMBase and Cochrane library databases were searched in June 2016. Effect measures were estimated as pooled risk ratio (RR), odds ratio (OR) or mean difference by fixed- or random-effect models, according to heterogeneity of included studies. In total, 50 studies with 6712 patients were recruited. Overall analysis showed that there was a significant reduction of CTC-positive rate (RR = 0...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28333353/evolution-of-blood-associated-hiv-1-dna-levels-after-48-weeks-of-switching-to-atazanavir-ritonavir-lamivudine-dual-therapy-versus-continuing-triple-therapy-in-the-randomized-atlas-m-trial
#8
Francesca Lombardi, Simone Belmonti, Eugenia Quiros-Roldan, Alessandra Latini, Antonella Castagna, Gabriella D'Ettorre, Roberta Gagliardini, Massimiliano Fabbiani, Roberto Cauda, Andrea De Luca, Simona Di Giambenedetto
Objectives: The AtLaS-M randomized trial showed that in patients with HIV-1 RNA <50 copies/mL on atazanavir/ritonavir + two NRTIs, switching to a dual therapy with atazanavir/ritonavir+lamivudine had superior efficacy as compared with continuing the previous triple therapy. This substudy was designed to evaluate at 48 weeks the impact of the dual therapy versus the three-drug atazanavir/ritonavir-based therapy on the HIV-1 cellular reservoir as reflected by the quantification of blood-associated HIV-1 DNA levels...
March 10, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28333150/kaiso-depletion-attenuates-the-growth-and-survival-of-triple-negative-breast-cancer-cells
#9
Blessing I Bassey-Archibong, Lyndsay G A Rayner, Shawn M Hercules, Craig W Aarts, Anna Dvorkin-Gheva, Jonathan L Bramson, John A Hassell, Juliet M Daniel
Triple negative breast cancers (TNBC) are highly aggressive and lack specific targeted therapies. Recent studies have reported high expression of the transcription factor Kaiso in triple negative tumors, and this correlates with their increased aggressiveness. However, little is known about the clinical relevance of Kaiso in the growth and survival of TNBCs. Herein, we report that Kaiso depletion attenuates TNBC cell proliferation, and delays tumor onset in mice xenografted with the aggressive MDA-231 breast tumor cells...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28333133/fidelity-of-classwide-resistant-hiv-2-reverse-transcriptase-and-differential-contribution-of-k65r-to-the-accuracy-of-hiv-1-and-hiv-2-reverse-transcriptases
#10
Mar Álvarez, Alba Sebastián-Martín, Guillermo García-Marquina, Luis Menéndez-Arias
Nucleoside reverse transcriptase (RT) inhibitors constitute the backbone of current therapies against human immunodeficiency virus type 1 and type 2 (HIV-1 and HIV-2, respectively). However, mutational pathways leading to the development of nucleoside analogue resistance are different in both types of HIV. In HIV-2, resistance to all approved nucleoside analogues is conferred by the combination of RT substitutions K65R, Q151M and M184V. Nucleotide incorporation kinetic analyses of mutant and wild-type (WT) HIV-2 RTs show that the triple-mutant has decreased catalytic efficiency due to the presence of M184V...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28331788/periodic-mesoporous-organosilica-coated-prussian-blue-for-mr-pa-dual-modal-imaging-guided-photothermal-chemotherapy-of-triple-negative-breast-cancer
#11
Wei Tian, Yunyan Su, Ying Tian, Shouju Wang, Xiaodan Su, Ying Liu, Yunlei Zhang, Yuxia Tang, Qianqian Ni, Wenfei Liu, Meng Dang, Chunyan Wang, Junjie Zhang, Zhaogang Teng, Guangming Lu
Complete eradication of highly aggressive triple negative breast cancer (TNBC) remains a notable challenge today. In this work, an imaging-guided photothermal-chemotherapy strategy for TNBC is developed for the first time based on a periodic mesoporous organosilica (PMO) coated Prussian blue (PB@PMO) nanoplatform. The PB@PMOs have organic-inorganic hybrid frameworks, uniform diameter (125 nm), high surface area (866 m(2) g(-1)), large pore size (3.2 nm), excellent photothermal conversion capability, high drug loading capacity (260 µg mg(-1)), and magnetic resonance (MR) and photoacoustic (PA) imaging abilities...
March 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28331349/antibiotic-resistance-among-helicobacter-pylori-clinical-isolates-in-lima-peru
#12
Kevin F Boehnke, Manuel Valdivieso, Alejandro Bussalleu, Rachael Sexton, Kathryn C Thompson, Soledad Osorio, Italo Novoa Reyes, John J Crowley, Laurence H Baker, Chuanwu Xi
OBJECTIVES: Gastric carcinoma is the most common cancer and cause of cancer mortality in Peru. Helicobacter pylori, a bacterium that colonizes the human stomach, is a Group 1 carcinogen due to its causal relationship to gastric carcinoma. While eradication of H. pylori can help prevent gastric cancer, characterizing regional antibiotic resistance patterns is necessary to determine targeted treatment for each region. Thus, we examined primary antibiotic resistance in clinical isolates of H...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/28330927/e3-ubiquitin-ligase-ubr5-drives-the-growth-and-metastasis-of-triple-negative-breast-cancer
#13
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/28329215/triple-antithrombotic-therapy-in-patients-with-atrial-fibrillation-undergoing-percutaneous-coronary-intervention-a-viewpoint
#14
Jennifer C V Gwyn, Mark R Thomas, Paulus Kirchhof
Patients undergoing percutaneous coronary intervention (PCI) are treated with dual antiplatelet therapy to reduce the risk of subsequent myocardial infarction (MI) and stent thrombosis. Approximately 5-10% of patients undergoing PCI also have atrial fibrillation (AF). Patients with AF have an additional requirement for anticoagulation, as dual antiplatelet therapy alone is insufficient to adequately reduce the risk of stroke in patients with AF. However, it is now well established that combining anticoagulants with dual antiplatelet therapy also causes a significant increase in the risk of bleeding...
March 13, 2017: European Heart Journal. Cardiovascular Pharmacotherapy
https://www.readbyqxmd.com/read/28329212/clinical-status-of-adolescents-with-perinatal-hiv-at-transfer-to-adult-care-in-the-uk-ireland
#15
Intira Jeannie Collins, Caroline Foster, Anna Tostevin, Pat Tookey, Andrew Riordan, David Dunn, D M Gibb, Ali Judd
Background.: Increasing numbers of children infected perinatally with human immunodeficiency virus (HIV) are surviving to adolescence and transitioning to adult care, yet there are scarce data on their clinical status at transfer. Methods.: We analyzed prospective cohort data from the UK/Ireland national Collaborative HIV Pediatric Study (CHIPS). Clinical status at last pediatric clinic visit prior to transfer was described. Factors associated with higher CD4 cell count and viral load (VL) suppression<400 c/mL among patients on antiretroviral therapy (ART) at transfer were assessed using linear and logistic regression, respectively...
March 9, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28326177/characterization-of-secondary-care-for-copd-in-sweden
#16
Josefin Sundh, Christer Janson, Gunnar Johansson, Anders Lindén, Claes-Göran Löfdahl, Thomas Sandström, Kjell Larsson
Introduction: Only a selected proportion of chronic obstructive pulmonary disease (COPD) patients are managed in secondary care. The aim of this study was to characterize disease severity, treatment and structure of secondary care for COPD in Sweden. Methods: Information was collected from 29 of 33 existing secondary care units of respiratory medicine in Sweden, using both individual data from 373 consecutively enrolled COPD patients with Global initiative on Obstructive Lung Disease (GOLD) stage III-IV and a structural questionnaire about available resources at the units...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28326174/copd-stage-and-treatment-in-a-large-outpatient-clinic
#17
Claire Præst Holm, Jakob Holm, Annette Nørgaard, Nina Godtfredsen
Some COPD patients suffer from frequent exacerbations despite triple inhalation treatment. These frequent exacerbators should be identified, as exacerbations often lead to decreasing lung function and increasing mortality. Roflumilast reduces exacerbations in patients with a previous history of exacerbations. Our aim was to describe COPD patient characteristics and compare roflumilast treatment eligible to non-eligible patients. An observational cross-section study was conducted. Patients were included from a large COPD outpatient clinic...
2017: European Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28325260/imaging-performance-in-guiding-response-to-neoadjuvant-therapy-according-to-breast-cancer-subtypes-a-systematic-literature-review
#18
REVIEW
Melanie A Lindenberg, Anna Miquel-Cases, Valesca P Retèl, Gabe S Sonke, Jelle Wesseling, Marcel P M Stokkel, Wim H van Harten
Monitoring therapeutic response to neoadjuvant chemotherapy(NAC) is likely to improve NAC effectiveness in breast cancer(BC). Imaging performance seems to vary per tumour subtype(by ER and HER2 status), therefore we performed a systematic review on subtype specific imaging performance in monitoring NAC in BC. Studies examining imaging performance in predicting pathologic complete response(pCR) during NAC in BC subtypes were selected. Per study, negative- and positive predictive value, sensitivity(se) and specificity(sp), AUC and accuracy were derived...
April 2017: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/28323753/budget-impact-of-antiretroviral-therapy-in-a-french-clinic-cohort-anrs-gota
#19
Emmanuelle Papot, Roland Landman, Françoise Louni, Charlotte Charpentier, Gilles Peytavin, Agnès Certain, Clémence Fradet, Daniela Rojas Castro, Marie Preau, Cécile Goujard, Patrick Yeni, Yazdan Yazdanpanah
OBJECTIVES: In this study, we first assessed costs associated with the use of ART in an infectious diseases University Hospital Clinic, we secondly evaluated characteristics associated with these costs, and finally simulated the impact on the overall ART budget of switching 1- and 2-line regimens to less costly regimens (as effective and well-tolerated). DESIGN: Cohort analysis including PLHIV ≥ 18 years on ART to estimate ART costs during 2014. METHODS: This study was conducted in the Bichat-Claude Bernard University Hospital Clinic in Paris, France, where 4,501 PLHIV consulted in 2014...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28323552/helicobacter-pylori-eradication-in-the-swedish-population
#20
Eva Doorakkers, Jesper Lagergren, Vijaya Krishna Gajulapuri, Steven Callens, Lars Engstrand, Nele Brusselaers
OBJECTIVES: Helicobacter pylori is associated with peptic ulcers and gastric cancer and its eradication aims to prevent these conditions. The recommended eradication regimen is triple therapy, consisting of a proton-pump inhibitor in combination with clarithromycin and amoxicillin or metronidazole for 7 days. Yet, other antibiotic regimens are sometimes prescribed. We aimed to assess the use of eradication therapy for H. pylori in the Swedish population during the last decade. MATERIALS AND METHODS: This population-based study used data from the Swedish Prescribed Drug Register...
March 21, 2017: Scandinavian Journal of Gastroenterology
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