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https://www.readbyqxmd.com/read/28720442/impact-of-baseline-covariates-on-the-immunogenicity-of-the-9-valent-hpv-vaccine-a-combined-analysis-of-five-phase-iii-clinical-trials
#1
Lone K Petersen, Jaime Restrepo, Edson D Moreira, Ole-Erik Iversen, Punnee Pitisuttithum, Pierre Van Damme, Elmar A Joura, Sven-Erik Olsson, Daron Ferris, Stan Block, Anna R Giuliano, Xavier Bosch, Sophie Pils, Jack Cuzick, Suzanne M Garland, Warner Huh, Susanne K Kjaer, Oliver M Bautista, Donna Hyatt, Roger Maansson, Erin Moeller, Hong Qi, Christine Roberts, Alain Luxembourg
BACKGROUND: The immunogenicity profile of the 9-valent HPV (9vHPV) vaccine was evaluated across five phase III clinical studies conducted in girls and boys 9-15 years of age and young women 16-26 years of age. The effect of baseline characteristics of subjects on vaccine-induced HPV antibody responses was assessed. METHODS: Immunogenicity data from 11,304 subjects who received ≥1 dose of 9vHPV vaccine in five Phase III studies were analyzed. Vaccine was administered as a 3-dose regimen...
June 2017: Papillomavirus Research
https://www.readbyqxmd.com/read/28720152/using-couples-discordant-reports-to-estimate-female-covert-use-of-modern-contraception-in-sub-saharan-africa
#2
Natalie C Gasca, Stan Becker
Substantial numbers of married women use contraceptives without their partner's knowledge in sub-Saharan Africa, but studies of female covert use across time are rare. This study investigates the levels, trends and correlates of covert use in nine countries and determines which contraceptive methods are more frequently used covertly by women. Data from monogamous couples in Demographic and Health Surveys were used from nine sub-Saharan African countries that had experienced an increase of 10 percentage points in current modern contraceptive use between an earlier (1991-2004) and later (2007-2011) survey...
July 19, 2017: Journal of Biosocial Science
https://www.readbyqxmd.com/read/28716060/nonlinear-joint-models-for-individual-dynamic-prediction-of-risk-of-death-using-hamiltonian-monte-carlo-application-to-metastatic-prostate-cancer
#3
Solène Desmée, France Mentré, Christine Veyrat-Follet, Bernard Sébastien, Jérémie Guedj
BACKGROUND: Joint models of longitudinal and time-to-event data are increasingly used to perform individual dynamic prediction of a risk of event. However the difficulty to perform inference in nonlinear models and to calculate the distribution of individual parameters has long limited this approach to linear mixed-effect models for the longitudinal part. Here we use a Bayesian algorithm and a nonlinear joint model to calculate individual dynamic predictions. We apply this approach to predict the risk of death in metastatic castration-resistant prostate cancer (mCRPC) patients with frequent Prostate-Specific Antigen (PSA) measurements...
July 17, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28708236/psychosocial-interventions-for-fatigue-during-cancer-treatment-with-palliative-intent
#4
REVIEW
Hanneke Poort, Marlies Peters, Gijs Bleijenberg, Marieke Fm Gielissen, Martine Margaretha Goedendorp, Paul Jacobsen, Stans Verhagen, Hans Knoop
BACKGROUND: Fatigue is a prevalent and burdensome symptom for patients with incurable cancer receiving cancer treatment with palliative intent and is associated with reduced quality of life. Psychosocial interventions seem promising for management of fatigue among cancer patients. OBJECTIVES: To assess the effects of psychosocial interventions for fatigue in adult patients with incurable cancer receiving cancer treatment with palliative intent. SEARCH METHODS: We searched the following databases: CENTRAL, MEDLINE, Embase, CINAHL, PsycINFO, and seven clinical trial registries; we also searched the reference lists of articles...
July 14, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28705360/do-inferences-of-competence-from-faces-predict-political-selection-in-authoritarian-regimes-evidence-from-china
#5
Stan Hok-Wui Wong, Yu Zeng
Candidate appearance is a significant predictor of election outcomes in democracies because voters often make inference of competence based on facial appearance. Do inferences of competence from faces matter in autocracies? In this article, we study the effects of candidate appearance on the selection of three types of Chinese officials: (1) rural deputies elected to a local people's congress (LPC), (2) urban deputies elected to the LPC, and (3) unelected mayors and bureaucrats. We find that facial competence cues are relevant only to the votes received by rural LPC candidates...
August 2017: Social Science Research
https://www.readbyqxmd.com/read/28702548/counterintuitive-trends-of-the-wetting-behavior-of-ionic-liquid-based-electrolytes-on-modified-lithium-electrodes
#6
Paulo Schmitz, Martin Kolek, Diddo Diddens, Marian Cristian Stan, Kirsi Jalkanen, Martin Winter, Peter Bieker
The demand for high energy densities has brought rechargeable lithium metal batteries back into the research focus. Ionic liquids (ILs) are considered as suitable electrolyte components for these systems. In this work, the wetting behavior of 1-ethyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)imide ([C2MIm]TFSI), 1-butyl-3-methylimidazolium bis-((trifluoromethyl)sulfonyl)imide ([C4MIm]TFSI), 1-hexyl-3-methylimidazolium bis((trifluoromethyl)sulfonyl)imide ([C6MIm]TFSI), and N-butyl-N-methylpyrrolidinium bis((trifluoromethyl)sulfonyl)imide (Pyr14TFSI) on mechanically modified lithium electrodes, with and without lithium bis((trifluoromethyl)sulfonyl)imide (LiTFSI) conducting salt, is investigated and is compared to an organic carbonate-based electrolyte...
July 12, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28690124/microneedling-where-do-we-stand-now-a-systematic-review-of-the-literature
#7
REVIEW
Ramaut Lisa, Hoeksema Henk, Pirayesh Ali, Stillaert Filip, Monstrey Stan
BACKGROUND: Patients who suffer from scars or wrinkles have several therapeutic options to improve the appearance of their skin. The available treatment modalities that provide desirable results are often overtly invasive and entail a risk of undesirable adverse effects. Microneedling has recently emerged as a non-ablative alternative for treating patients who are concerned with the aesthetic changes that result from injury, disease or ageing. OBJECTIVE: This review aims to evaluate the current evidence in the literature on microneedling...
June 17, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28687462/the-effect-of-tiotropium-in-combination-with-olodaterol-on-house-dust-mite-induced-allergic-airway-disease
#8
Gerrit John-Schuster, Stan de Kleijn, Yolanda van Wijck, Veerle Kremer, Hermelijn H Smits, Michael P Pieper, Pieter S Hiemstra, Christian Taube
One of the major goals of asthma therapy is to maintain asthma control and prevent acute exacerbations. Long-acting bronchodilators are regularly used for the treatment of asthma patients and in clinical studies the anti-cholinergic tiotropium has recently been shown to reduce exacerbations in patients with asthma. So far it is unclear how tiotropium exerts this effect. For this purpose, we designed an allergen-driven rechallenge model of allergic airway inflammation in mice, to assess the effectiveness of tiotropium and the long-acting β-2 adrenoceptor agonist olodaterol on allergen-induced exacerbations of airway disease...
July 4, 2017: Pulmonary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28675036/asymmetric-conformational-transitions-in-aaa-biological-nanomachines-modulate-direction-dependent-substrate-protein-unfolding-mechanisms
#9
Abdolreza Javidialesaadi, George Stan
Powerful AAA+ biological nanomachines, such as ClpY, form hexameric ring structures, which selectively process abnormal proteins targeted for degradation by unfolding and threading them through a narrow central channel. The molecular details of this process are not yet fully understood. We perform Langevin dynamics simulations using a coarse-grained model of substrate proteins (SPs), Titin I27 and its V13P variant, threading through the ClpY pore. We probe the effect of ClpY surface heterogeneity and changes in pore width on SP orientation and the direction of applied force during SP unfolding...
July 18, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28666794/measuring-contraceptive-prevalence-among-women-who-are-at-risk-of-pregnancy
#10
Madeleine Short Fabic, Stan Becker
OBJECTIVE(S): The contraceptive prevalence rate (CPR) is generally reported among in-union women ages 15-49. Here, union status and age serve as proxies for exposure to the risk of pregnancy. As a result of changing dynamics, age and union status proxies may be insufficient for determining the rate of contraceptive use among women at risk of pregnancy. Our objectives are to define a measure of contraceptive use among women at risk; to measure contraceptive use among such women; and to compare this rate with conventional CPR...
June 27, 2017: Contraception
https://www.readbyqxmd.com/read/28666422/the-role-of-hormonal-therapy-in-patients-with-relapsed-high-grade-ovarian-carcinoma-a-retrospective-series-of-tamoxifen-and-letrozole
#11
Angela George, Jennifer McLachlan, Nina Tunariu, Chiara Della Pepa, Cristina Migali, Martin Gore, Stan Kaye, Susana Banerjee
BACKGROUND: Hormonal therapy is used as a treatment option in high-grade ovarian carcinoma (HGOC), but the role and choice of treatment remains unclear. Agents used include tamoxifen and aromatase inhibitors. Our aim was to evaluate the efficacy of tamoxifen (T) and letrozole (L) in HGOC in clinical practice and investigate factors influencing clinical outcome. METHODS: A retrospective review of patients with relapsed HGOC treated with either tamoxifen or letrozole at the Royal Marsden Hospital between 2007 and 2012 was performed...
June 30, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28657757/how-cubic-can-ice-be
#12
Andrew J Amaya, Harshad Pathak, Viraj P Modak, Hartawan Laksmono, N Duane Loh, Jonas A Sellberg, Raymond G Sierra, Trevor A McQueen, Matt J Hayes, Garth J Williams, Marc Messerschmidt, Sébastien Boutet, Michael J Bogan, Anders Nilsson, Claudiu A Stan, Barbara E Wyslouzil
Using an X-ray laser, we investigated the crystal structure of ice formed by homogeneous ice nucleation in deeply supercooled water nanodrops (r ≈ 10 nm) at ∼225 K. The nanodrops were formed by condensation of vapor in a supersonic nozzle, and the ice was probed within 100 μs of freezing using femtosecond wide-angle X-ray scattering at the Linac Coherent Light Source free-electron X-ray laser. The X-ray diffraction spectra indicate that this ice has a metastable, predominantly cubic structure; the shape of the first ice diffraction peak suggests stacking-disordered ice with a cubicity value, χ, in the range of 0...
June 30, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28654856/evaluation-of-a-self-regulation-based-psycho-educational-pilot-intervention-targeting-children-and-adolescents-with-epilepsy-in-greece
#13
Ioanna Rizou, Veronique De Gucht, Antigone Papavasiliou, Stan Maes
PURPOSE: The purpose of this study is to describe the development and initial evaluation of a minimal structured psycho-educational intervention for children and adolescents with epilepsy. The intervention aimed at increasing the understanding and personal control (self-management) of epilepsy, and at reducing psychological distress, sleep problems and somatic complaints. METHOD: Twelve patients participated in our intervention and another 12, matched on age and gender, served as the control group...
June 21, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28653938/report-screening-of-the-anti-hyperglycemic-activity-of-some-medicinal-plants-of-jordan
#14
Ahmad S Alkofahi, Khalid K Abdul-Razzak, Karem H Alzoubi, Omar F Khabour
Diabetes represents a group of common diseases that are characterized by dysregulation of blood glucose levels. Plants are traditionally used for management of diseases including diabetes. In this study, we screened the anti-diabetic effect of extracts of 21 plants grown in Jordan. Extracts of plants were screened for their antihyperglycemic activity. Diabetes was induced in Sprague Dawley rats using Alloxan. Plant extracts were dosed at 1gm/kg. Blood glucose was measured at baseline and at every hour for 3 hours...
May 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28653883/the-nitric-oxide-donor-js-k-sensitizes-u87-glioma-cells-to-repetitive-irradiation
#15
Max Heckler, Nadja Osterberg, Jessica Guenzle, Nina Kristin Thiede-Stan, Wilfried Reichardt, Claudia Weidensteiner, Joseph E Saavedra, Astrid Weyerbrock
As a potent radiosensitizer nitric oxide (NO) may be a putative adjuvant in the treatment of malignant gliomas which are known for their radio- and chemoresistance. The NO donor prodrug JS-K (O2-(2.4-dinitrophenyl) 1-[(4-ethoxycarbonyl) piperazin-1-yl] diazen-1-ium-1,2-diolate) allows cell-type specific intracellular NO release via enzymatic activation by glutathione-S-transferases overexpressed in glioblastoma multiforme. The cytotoxic and radiosensitizing efficacy of JS-K was assessed in U87 glioma cells in vitro focusing on cell proliferation, induction of DNA damage, and cell death...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28653170/should-internet-researchers-use-ill-gotten-information
#16
David M Douglas
This paper describes how the ethical problems raised by scientific data obtained through harmful and immoral conduct (which, following Stan Godlovitch, is called ill-gotten information) may also emerge in cases where data is collected from the Internet. It describes the major arguments for and against using ill-gotten information in research, and shows how they may be applied to research that either collects information about the Internet itself or which uses data from questionable or unknown sources on the Internet...
June 26, 2017: Science and Engineering Ethics
https://www.readbyqxmd.com/read/28650643/high-pressure-study-of-perovskites-and-postperovskites-in-the-mg-fe-geo3-system
#17
Camelia V Stan, Rajkrishna Dutta, Robert J Cava, Vitali B Prakapenka, Thomas S Duffy
The effect of incorporation of Fe(2+) on the perovskite (Pbnm) and postperovskite (Cmcm) structures was investigated in the (Mg,Fe)GeO3 system at high pressures and temperatures using laser-heated diamond anvil cell and synchrotron X-ray diffraction. Samples with compositions of Mg# ≥ 48 were shown to transform to the perovskite (∼30 GPa and ∼1500 K) and postperovskite (>55 GPa, ∼1600-1800 K) structures. Compositions with Mg# ≥ 78 formed single-phase perovskite and postperovskite, whereas those with Mg# < 78 showed evidence for partial decomposition...
July 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28648995/when-the-ball-is-in-the-female-s-court-how-the-scramble-competition-mating-system-of-the-north-american-red-squirrel-has-shaped-male-physiology-and-testosterone-dynamics
#18
Rudy Boonstra, Adam Dušek, Jeffrey E Lane, Stan Boutin
Male reproductive success in most mammals is determined by their success in direct inter-male competition through aggression and conflict, resulting in female-defense mating systems being predominant. This is linked to male testosterone levels and its dynamics. However, in certain environments, a scramble-competition mating system has evolved, where female reproductive behavior takes precedence and male testosterone dynamics are unlikely to be related to inter-male competition. We studied the North American red squirrel (Tamiasciurus hudsonicus), a species with a well-established scramble-competition system...
June 23, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28646451/regulation-of-sustained-attention-false-alarm-responding-and-implementation-of-conditional-rules-by-prefrontal-gabaa-transmission-comparison-with-nmda-transmission
#19
Meagan L Auger, Juliet Meccia, Stan B Floresco
RATIONALE: Both prefrontal cortex (PFC) GABAA and NMDA transmission regulate attentional processes, yet how they may differentially regulate signal detection or other aspects of attention is unclear. OBJECTIVES: We examined PFC GABAA and NMDA receptor regulation of attention using a sustained attention task (SAT) permitting identification of distinct forms of impairments. As this task requires implementation of conditional rules, we also investigated how reducing PFC GABA transmission affected performance of visual and auditory conditional discriminations...
June 24, 2017: Psychopharmacology
https://www.readbyqxmd.com/read/28645776/selective-inhibition-of-flt3-by-gilteritinib-in-relapsed-or-refractory-acute-myeloid-leukaemia-a-multicentre-first-in-human-open-label-phase-1-2-study
#20
Alexander E Perl, Jessica K Altman, Jorge Cortes, Catherine Smith, Mark Litzow, Maria R Baer, David Claxton, Harry P Erba, Stan Gill, Stuart Goldberg, Joseph G Jurcic, Richard A Larson, Chaofeng Liu, Ellen Ritchie, Gary Schiller, Alexander I Spira, Stephen A Strickland, Raoul Tibes, Celalettin Ustun, Eunice S Wang, Robert Stuart, Christoph Röllig, Andreas Neubauer, Giovanni Martinelli, Erkut Bahceci, Mark Levis
BACKGROUND: Internal tandem duplication mutations in FLT3 are common in acute myeloid leukaemia and are associated with rapid relapse and short overall survival. The clinical benefit of FLT3 inhibitors in patients with acute myeloid leukaemia has been limited by rapid generation of resistance mutations, particularly in codon Asp835 (D835). We aimed to assess the highly selective oral FLT3 inhibitor gilteritinib in patients with relapsed or refractory acute myeloid leukaemia. METHODS: In this phase 1-2 trial, we enrolled patients aged 18 years or older with acute myeloid leukaemia who either were refractory to induction therapy or had relapsed after achieving remission with previous treatment...
June 20, 2017: Lancet Oncology
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