492 research outputs found

    Treatment with tocilizumab or corticosteroids for COVID-19 patients with hyperinflammatory state: a multicentre cohort study (SAM-COVID-19)

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    Objectives: The objective of this study was to estimate the association between tocilizumab or corticosteroids and the risk of intubation or death in patients with coronavirus disease 19 (COVID-19) with a hyperinflammatory state according to clinical and laboratory parameters. Methods: A cohort study was performed in 60 Spanish hospitals including 778 patients with COVID-19 and clinical and laboratory data indicative of a hyperinflammatory state. Treatment was mainly with tocilizumab, an intermediate-high dose of corticosteroids (IHDC), a pulse dose of corticosteroids (PDC), combination therapy, or no treatment. Primary outcome was intubation or death; follow-up was 21 days. Propensity score-adjusted estimations using Cox regression (logistic regression if needed) were calculated. Propensity scores were used as confounders, matching variables and for the inverse probability of treatment weights (IPTWs). Results: In all, 88, 117, 78 and 151 patients treated with tocilizumab, IHDC, PDC, and combination therapy, respectively, were compared with 344 untreated patients. The primary endpoint occurred in 10 (11.4%), 27 (23.1%), 12 (15.4%), 40 (25.6%) and 69 (21.1%), respectively. The IPTW-based hazard ratios (odds ratio for combination therapy) for the primary endpoint were 0.32 (95%CI 0.22-0.47; p < 0.001) for tocilizumab, 0.82 (0.71-1.30; p 0.82) for IHDC, 0.61 (0.43-0.86; p 0.006) for PDC, and 1.17 (0.86-1.58; p 0.30) for combination therapy. Other applications of the propensity score provided similar results, but were not significant for PDC. Tocilizumab was also associated with lower hazard of death alone in IPTW analysis (0.07; 0.02-0.17; p < 0.001). Conclusions: Tocilizumab might be useful in COVID-19 patients with a hyperinflammatory state and should be prioritized for randomized trials in this situatio

    Albiglutide and cardiovascular outcomes in patients with type 2 diabetes and cardiovascular disease (Harmony Outcomes): a double-blind, randomised placebo-controlled trial

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    Background: Glucagon-like peptide 1 receptor agonists differ in chemical structure, duration of action, and in their effects on clinical outcomes. The cardiovascular effects of once-weekly albiglutide in type 2 diabetes are unknown. We aimed to determine the safety and efficacy of albiglutide in preventing cardiovascular death, myocardial infarction, or stroke. Methods: We did a double-blind, randomised, placebo-controlled trial in 610 sites across 28 countries. We randomly assigned patients aged 40 years and older with type 2 diabetes and cardiovascular disease (at a 1:1 ratio) to groups that either received a subcutaneous injection of albiglutide (30–50 mg, based on glycaemic response and tolerability) or of a matched volume of placebo once a week, in addition to their standard care. Investigators used an interactive voice or web response system to obtain treatment assignment, and patients and all study investigators were masked to their treatment allocation. We hypothesised that albiglutide would be non-inferior to placebo for the primary outcome of the first occurrence of cardiovascular death, myocardial infarction, or stroke, which was assessed in the intention-to-treat population. If non-inferiority was confirmed by an upper limit of the 95% CI for a hazard ratio of less than 1·30, closed testing for superiority was prespecified. This study is registered with ClinicalTrials.gov, number NCT02465515. Findings: Patients were screened between July 1, 2015, and Nov 24, 2016. 10 793 patients were screened and 9463 participants were enrolled and randomly assigned to groups: 4731 patients were assigned to receive albiglutide and 4732 patients to receive placebo. On Nov 8, 2017, it was determined that 611 primary endpoints and a median follow-up of at least 1·5 years had accrued, and participants returned for a final visit and discontinuation from study treatment; the last patient visit was on March 12, 2018. These 9463 patients, the intention-to-treat population, were evaluated for a median duration of 1·6 years and were assessed for the primary outcome. The primary composite outcome occurred in 338 (7%) of 4731 patients at an incidence rate of 4·6 events per 100 person-years in the albiglutide group and in 428 (9%) of 4732 patients at an incidence rate of 5·9 events per 100 person-years in the placebo group (hazard ratio 0·78, 95% CI 0·68–0·90), which indicated that albiglutide was superior to placebo (p&lt;0·0001 for non-inferiority; p=0·0006 for superiority). The incidence of acute pancreatitis (ten patients in the albiglutide group and seven patients in the placebo group), pancreatic cancer (six patients in the albiglutide group and five patients in the placebo group), medullary thyroid carcinoma (zero patients in both groups), and other serious adverse events did not differ between the two groups. There were three (&lt;1%) deaths in the placebo group that were assessed by investigators, who were masked to study drug assignment, to be treatment-related and two (&lt;1%) deaths in the albiglutide group. Interpretation: In patients with type 2 diabetes and cardiovascular disease, albiglutide was superior to placebo with respect to major adverse cardiovascular events. Evidence-based glucagon-like peptide 1 receptor agonists should therefore be considered as part of a comprehensive strategy to reduce the risk of cardiovascular events in patients with type 2 diabetes. Funding: GlaxoSmithKline

    Puesta en marcha del Doble Grado Internacional en Derecho UCM - Sorbona en el marco de la alianza europea de universidades UNA EUROPA

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    ImplementaciĂłn de mejoras que potencien el Doble Grado Internacional en Derecho impartido conjuntamente entre la UCM y la Universidad de la Sorbona y que esta doble titulaciĂłn internacional refuerce el papel de la UCM en la alianza europea UNA EUROP

    Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at root s=13 TeV

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    A search is presented for new particles produced at the LHC in proton-proton collisions at root s = 13 TeV, using events with energetic jets and large missing transverse momentum. The analysis is based on a data sample corresponding to an integrated luminosity of 101 fb(-1), collected in 2017-2018 with the CMS detector. Machine learning techniques are used to define separate categories for events with narrow jets from initial-state radiation and events with large-radius jets consistent with a hadronic decay of a W or Z boson. A statistical combination is made with an earlier search based on a data sample of 36 fb(-1), collected in 2016. No significant excess of events is observed with respect to the standard model background expectation determined from control samples in data. The results are interpreted in terms of limits on the branching fraction of an invisible decay of the Higgs boson, as well as constraints on simplified models of dark matter, on first-generation scalar leptoquarks decaying to quarks and neutrinos, and on models with large extra dimensions. Several of the new limits, specifically for spin-1 dark matter mediators, pseudoscalar mediators, colored mediators, and leptoquarks, are the most restrictive to date.Peer reviewe

    Probing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at root s=13 TeV

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    Actualidad y prospectiva de la investigaciĂłn cientĂ­fica en el Centro Universitario Amecameca de la Universidad AutĂłnoma del Estado de MĂ©xico

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    Con responsabilidad, se organizĂł un programa cuya finalidad fuera publicitar con transparencia dichos avances, a travĂ©s de un esfuerzo de rendiciĂłn de cuentas a la comunidad inmediata, la universitaria, y a la comunidad abierta, la sociedad que la principal referencia para tal efecto. El programa se concretiza a travĂ©s del presente libro, conformado con una inspiraciĂłn de investigaciĂłn multidisciplinaria; sin embargo, para llegar a tal fin, el reto es realizar el proceso de bĂșsqueda y generaciĂłn de conocimiento transitando hacia la colaboraciĂłn de los cuerpos acadĂ©micos, que puedan construir nuevos conocimientos fortalecidos por la convergencia de diferentes campos del saber. En consecuencia, la primera etapa de esta estrategia es la publicidad de los trabajos investigativos ejercidos, para hacer un balance al dĂ­a, pero tambiĂ©n proyectar el futuro de cada campo y ĂĄrea del conocimiento. La organizaciĂłn explicativa estĂĄ organizada por tres bloques representativos del quehacer en la generaciĂłn de conocimiento del Centro Universitario, un primer bloque centra el interĂ©s en las humanidades, educaciĂłn y sustentabilidad; el segundo bloque lo integra la reflexiĂłn cientĂ­fica sobre la construcciĂłn democrĂĄtica, derechos humanos y equidad de gĂ©nero; en el tercer segmento se destina a la seguridad alimentaria, salud pĂșblica y sistemas agropecuarios. La actualidad de la investigaciĂłn eleva la producciĂłn lograda y lo que en el momento se encuentra en construcciĂłn y los alcances que produce para la docencia, la investigaciĂłn misma, y para la sociedad en general. La prospectiva es un ĂĄrea que todos los capĂ­tulos desarrollan con el propĂłsito de delinear los alcances innovadores por andar en teorĂ­a, metodologĂ­a e incluso en los saberes mismo

    La renovaciĂłn de la palabra en el bicentenario de la Argentina : los colores de la mirada lingĂŒĂ­stica

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    El libro reĂșne trabajos en los que se exponen resultados de investigaciones presentadas por investigadores de Argentina, Chile, Brasil, España, Italia y Alemania en el XII Congreso de la Sociedad Argentina de LingĂŒĂ­stica (SAL), Bicentenario: la renovaciĂłn de la palabra, realizado en Mendoza, Argentina, entre el 6 y el 9 de abril de 2010. Las temĂĄticas abordadas en los 167 capĂ­tulos muestran las grandes lĂ­neas de investigaciĂłn que se desarrollan fundamentalmente en nuestro paĂ­s, pero tambiĂ©n en los otros paĂ­ses mencionados arriba, y señalan ademĂĄs las ĂĄreas que reciĂ©n se inician, con poca tradiciĂłn en nuestro paĂ­s y que deberĂ­an fomentarse. Los trabajos aquĂ­ publicados se enmarcan dentro de las siguientes disciplinas y/o campos de investigaciĂłn: FonologĂ­a, Sintaxis, SemĂĄntica y PragmĂĄtica, LingĂŒĂ­stica Cognitiva, AnĂĄlisis del Discurso, PsicolingĂŒĂ­stica, AdquisiciĂłn de la Lengua, SociolingĂŒĂ­stica y DialectologĂ­a, DidĂĄctica de la lengua, LingĂŒĂ­stica Aplicada, LingĂŒĂ­stica Computacional, Historia de la Lengua y la LingĂŒĂ­stica, Lenguas AborĂ­genes, FilosofĂ­a del Lenguaje, LexicologĂ­a y TerminologĂ­a

    Measurement of the Higgs boson production rate in association with top quarks in final states with electrons, muons, and hadronically decaying tau leptons at s√=13TeV

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    The rate for Higgs (H) bosons production in association with either one (tH) or two (ttÂŻH) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, using proton–proton collisions recorded at a center-of-mass energy of 13TeV by the CMS experiment. The analyzed data correspond to an integrated luminosity of 137fb−1. The analysis is aimed at events that contain H→WW, H→ττ, or H→ZZ decays and each of the top quark(s) decays either to lepton+jets or all-jet channels. Sensitivity to signal is maximized by including ten signatures in the analysis, depending on the lepton multiplicity. The separation among tH, ttÂŻH, and the backgrounds is enhanced through machine-learning techniques and matrix-element methods. The measured production rates for the ttÂŻH and tH signals correspond to 0.92±0.19(stat)+0.17−0.13(syst) and 5.7±2.7(stat)±3.0(syst) of their respective standard model (SM) expectations. The corresponding observed (expected) significance amounts to 4.7 (5.2) standard deviations for ttÂŻH, and to 1.4 (0.3) for tH production. Assuming that the Higgs boson coupling to the tau lepton is equal in strength to its expectation in the SM, the coupling yt of the Higgs boson to the top quark divided by its SM expectation, Îșt=yt/ySMt, is constrained to be within −0.9<Îșt<−0.7 or 0.7<Îșt<1.1, at 95% confidence level. This result is the most sensitive measurement of the ttÂŻH production rate to date.SCOAP

    A-BASE-DE-PROS: una implementación pråctica de los Objetivos de Desarrollo Sostenible en la Universidad Politécnica de Madrid

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    A lo largo de los Ășltimos años hemos visto cĂłmo los Objetivos de Desarrollo Sostenible (ODS) han ido permeando las distintas capas de la sociedad, estableciendo nuevas prioridades tanto en las polĂ­ticas pĂșblicas como en las empresariales. La educaciĂłn no ha quedado ajena a este cambio, sino que tambiĂ©n se estĂĄ alineando con las metas anteriores. En este capĂ­tulo se describen las principales actividades realizadas en el marco del proyecto APS22.2003 “Aprendizaje BAsado en SErvicio DE ODS relacionados con una PROducciĂłn y consumo responsableS (A-BASE-DE-PROS)”, en el que el ODS 12 se toma como eje central para concienciar a estudiantes universitarios y de secundaria de la importancia de la Agenda 2030. En general, hemos comprobado que el proyecto ha permitido dar a conocer los ODS y que la mayorĂ­a de los estudiantes, tanto universitarios como de secundaria, han valorado la experiencia como positiva.
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