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207 lines
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<title>22 March, 2021</title>
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<title>Covid-19 Sentry</title><meta content="width=device-width, initial-scale=1.0" name="viewport"/><link href="styles/simple.css" rel="stylesheet"/><link href="../styles/simple.css" rel="stylesheet"/><link href="https://unpkg.com/aos@2.3.1/dist/aos.css" rel="stylesheet"/><script src="https://unpkg.com/aos@2.3.1/dist/aos.js"></script></head>
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<h1 data-aos="fade-down" id="covid-19-sentry">Covid-19 Sentry</h1>
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<h1 data-aos="fade-right" data-aos-anchor-placement="top-bottom" id="contents">Contents</h1>
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<ul>
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<li><a href="#from-preprints">From Preprints</a></li>
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<li><a href="#from-clinical-trials">From Clinical Trials</a></li>
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<li><a href="#from-pubmed">From PubMed</a></li>
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<li><a href="#from-patent-search">From Patent Search</a></li>
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</ul>
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<h1 data-aos="fade-right" id="from-preprints">From Preprints</h1>
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<ul>
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<li><strong>Tools for Public Health Policy: Nudges and Boosts as Active Support of the Law in Special Situations such as the COVID-19 Pandemic</strong> -
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<div>
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In recent years, “nudging” has become a standard behavioral intervention at the individual level and for the design of social policies. Although nudges are effective, such interventions seem to be limited to a given space and time, and there is only scant evidence to support the contrary view. On the other hand, choice architects may utilize another type of intervention called “boosting,” which shows the promise of generalized and lasting behavioral change. The government can use these tools to shape public policy. Behavioral interventions such as policy-making tools have their boundaries, as does the law. We argue that nudging and boosting may serve as active aids in support of the legal system under certain circumstances. Nudging and boosting can also support the legal system especially in relation to emerging social issues or events that are unprecedented, such as the recent COVID-19 pandemic, where certain behavioral patterns are expected, but it would be hard or impossible to enforce them through the law alone.
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://psyarxiv.com/8sepk/" target="_blank">Tools for Public Health Policy: Nudges and Boosts as Active Support of the Law in Special Situations such as the COVID-19 Pandemic</a>
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</div></li>
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<li><strong>The potential impact of co-residence structures on socio-demographic inequalities in COVID-19 mortality</strong> -
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<div>
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During the COVID-19 pandemic, confinement measures were adopted across the world to limit the spread of the virus. In France, these measures were applied between March 17 and May 10. Using high-quality population census data and focusing on co-residence structures on French territory, this article analyses how co-residence patterns unevenly put different socio-demographic groups at risk of being infected and dying from COVID-19. The research ambition is to quantify the possible impact of co-residence structures heterogeneity on socioeconomic inequalities in mortality stemming from within-household transmission of the virus. Using a simulation approach, the article highlights the existence of theoretical pronounced inequalities of vulnerability to COVID-19 related to cohabitation structures as well as a reversal of the social gradient of vulnerability when the age of the infected person increases. Among young age categories, infection is simulated to lead to more deaths in the less educated or foreign-born populations. Among the older ones, the inverse holds with infections having a greater potential to provoke deaths through the transmission of the virus within households headed by a highly educated or a native-born person. Demographic patterns such as the cohabitation of multiple generations and the survival of both partners of a couple help to explain these results. Even though inter-generational co-residence and large households are more common among the lower educated and foreign born in general, the higher educated are more likely to still live with their partner at higher ages.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://osf.io/preprints/socarxiv/84ygx/" target="_blank">The potential impact of co-residence structures on socio-demographic inequalities in COVID-19 mortality</a>
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</div></li>
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<li><strong>Moral decision-making and mental health during the COVID-19 pandemic</strong> -
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<div>
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The COVID-19 pandemic entails challenging psychological conditions for the population, requiring them to make many decisions under stress. In this study, 641 participants were presented with different moral decision-making tasks, and completed a survey on mental health status and experiences, concerns, behaviors and beliefs related to the COVID-19. Results showed that the pandemic is placing a great psychological burden on the population. Also, that decision-making processes are being affected during the crisis, in a dichotomous way. Altruistic behaviors are promoted when people are suffering with high levels of psychological impact, and when they are concerned about others contracting the disease. However, egoistic behaviors are facilitated when concerns affect the self. Similarly, psychological impact, concerns about the self, and worsened physical health predict more automatic responses to framing problems and moral dilemmas. Nevertheless, when concerns relate to the others, or when people are more informed and/or carefree, more controlled responses emerge.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://psyarxiv.com/8whkg/" target="_blank">Moral decision-making and mental health during the COVID-19 pandemic</a>
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</div></li>
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<li><strong>COVID-19 through the One Health lens: adding a missing perspective</strong> -
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<div>
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The One Health concept offers an integrative approach to disease and health at the human-animal-environment interface. It has often been suggested to view the COVID-19 outbreak within this framework to better understand and mitigate this global crisis. Here, we discuss how the evolutionary ecology of host-pathogen systems can add a valuable additional perspective to the debate around SARS-CoV-2 and its implications for public health awareness and policy-making. In this context, it is especially important to highlight that changes in nature, such as zoonotic spillover events, are often irreversible, and that humans, while deeply embedded in ecosystems, are intricate ecosystems themselves. A better recognition of the complex biology and evolution of human-parasite interactions will assist our understanding of such zoonoses.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://ecoevorxiv.org/3g6pt/" target="_blank">COVID-19 through the One Health lens: adding a missing perspective</a>
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</div></li>
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<li><strong>The potential crucial role of COX-1 inhibition and/or Aspirin triggered lipoxins and resolvins in amelioration of COVID-19 mortality</strong> -
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<div>
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Low dose aspirin use was recently shown to be associated with significantly lower rate of mechanical ventilation, intensive care unit (ICU) admission, and in-hospital mortality after controlling for confounding variables. However, the interpretation of the published studies included some important flaws and the author provides a rapid response to provide an insight that aims at designing double bind clinical trials that use non-steroidal anti-inflammatory drugs for management of COVID-19. Notably, since April 2020, we have published previously published three pioneering articles to encourage adoption of NSAIDs/nitazoxanide/azithromycin claiming a curative COVID-19 potential and our updated molecular mechanistic basis as well as our observational prospective case series are preprinted and one of them is, finally, under review at a reputable journal.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://osf.io/2rf98/" target="_blank">The potential crucial role of COX-1 inhibition and/or Aspirin triggered lipoxins and resolvins in amelioration of COVID-19 mortality</a>
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</div></li>
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<li><strong>Mindfulness Buffers the Impact of COVID-19 Outbreak Information on Sleep Duration</strong> -
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<div>
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We examine whether mindfulness can neutralize the negative impact of COVID-19 stressors on employees’ sleep duration and work engagement. In Study 1, we conducted a field experiment in Wuhan, China during the lockdown between February 20, 2020, and March 2, 2020, in which we induced state mindfulness by randomly assigning participants to either a daily mindfulness practice or a daily mind-wandering practice. Results showed that the sleep duration of participants in the mindfulness condition, compared with the control condition, was less impacted by COVID-19 stressors (i.e., the increase of infections in the community). In Study 2, in a 10-day daily diary study in the United Kingdom between June 8, 2020, and June 19, 2020, we replicate our results from Study 1 using a subjective measure of COVID-19 stressors and a daily measure of state mindfulness. In addition, we find that mindfulness buffers the negative effect of COVID-19 stressors on work engagement mediated by sleep duration. As the COVID-19 pandemic is ongoing and the number of reported cases continues to rise globally, our findings suggest that mindfulness is an evidence-based practice that can effectively neutralize the negative effect of COVID-19 stressors on sleep and work outcomes. The findings of the present study contribute to the employee stress and well-being literature as well as the emerging organizational research on mindfulness.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://psyarxiv.com/wuh94/" target="_blank">Mindfulness Buffers the Impact of COVID-19 Outbreak Information on Sleep Duration</a>
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</div></li>
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<li><strong>Acriflavine, a clinically aproved drug, inhibits SARS-CoV-2 and other betacoronaviruses</strong> -
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<div>
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The COVID-19 pandemic caused by SARS-CoV-2 has been socially and economically devastating. Despite an unprecedented research effort, effective therapeutics are still missing to limit severe disease and mortality. Using high-throughput screening, we identified acriflavine as a potent papain-like protease (PLpro) inhibitor. NMR titrations and a co-crystal structure confirm that acriflavine blocks the PLpro catalytic pocket in an unexpected binding mode. We show that the drug inhibits viral replication at nanomolar concentration in cellular models, in vivo in mice and ex vivo in human airway epithelia, with broad range activity against SARS-CoV-2 and other betacoronaviruses. Considering that acriflavine is an inexpensive drug approved in some countries, it may be immediately tested in clinical trials and play an important role during the current pandemic and future outbreaks.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.20.436259v1" target="_blank">Acriflavine, a clinically aproved drug, inhibits SARS-CoV-2 and other betacoronaviruses</a>
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</div></li>
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<li><strong>Structural and energetic profiling of SARS-CoV-2 antibody recognition and the impact of circulating variants</strong> -
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<div>
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The SARS-CoV-2 pandemic highlights the need for a detailed molecular understanding of protective antibody responses. This is underscored by the emergence and spread of SARS-CoV-2 variants, including B.1.1.7, P1, and B.1.351, some of which appear to be less effectively targeted by current monoclonal antibodies and vaccines. Here we report a high resolution and comprehensive map of antibody recognition of the SARS-CoV-2 spike receptor binding domain (RBD), which is the target of most neutralizing antibodies, using computational structural analysis. With a dataset of nonredundant experimentally determined antibody-RBD structures, we classified antibodies by RBD residue binding determinants using unsupervised clustering. We also identified the energetic and conservation features of epitope residues and assessed the capacity of viral variant mutations to disrupt antibody recognition, revealing sets of antibodies predicted to effectively target recently described viral variants. This detailed structure-based reference of antibody RBD recognition signatures can inform therapeutic and vaccine design strategies.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.21.436311v1" target="_blank">Structural and energetic profiling of SARS-CoV-2 antibody recognition and the impact of circulating variants</a>
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</div></li>
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<li><strong>Critical interactions for SARS-CoV-2 spike protein binding to ACE2 identified by machine learning</strong> -
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<div>
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Both SARS-CoV and SARS-CoV-2 bind to the human ACE2 receptor. Based on high-resolution structures, the two viruses bind in practically identical conformations, although several residues of the receptor-binding domain (RBD) differ between them. Here we have used molecular dynamics (MD) simulations, machine learning (ML), and free energy perturbation (FEP) calculations to elucidate the differences in RBD binding by the two viruses. Although only subtle differences were observed from the initial MD simulations of the two RBD-ACE2 complexes, ML identified the individual residues with the most distinctive ACE2 interactions, many of which have been highlighted in previous experimental studies. FEP calculations quantified the corresponding differences in binding free energies to ACE2, and examination of MD trajectories provided structural explanations for these differences. Lastly, the energetics of emerging SARS-CoV-2 mutations were studied, showing that the affinity of the RBD for ACE2 is increased by N501Y and E484K mutations but is slightly decreased by K417N.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.19.436231v1" target="_blank">Critical interactions for SARS-CoV-2 spike protein binding to ACE2 identified by machine learning</a>
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</div></li>
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<li><strong>Circadian regulation of SARS-CoV-2 infection in lung epithelial cells</strong> -
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<div>
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The COVID-19 pandemic, caused by SARS-CoV-2 coronavirus, is a global health issue with unprecedented challenges for public health. SARS-CoV-2 primarily infects cells of the respiratory tract, via binding human angiotensin-converting enzyme (ACE2), and infection can result in pneumonia and acute respiratory distress syndrome. Circadian rhythms coordinate an organisms response to its environment and recent studies report a role for the circadian clock to regulate host susceptibility to virus infection. Influenza A infection of arhythmic mice, lacking the circadian component BMAL1, results in higher viral replication and elevated inflammatory responses leading to more severe bronchitis, highlighting the impact of circadian pathways in respiratory function. We demonstrate circadian regulation of ACE2 in lung epithelial cells and show that silencing BMAL1 or treatment with the synthetic REV-ERB agonist SR9009 reduces ACE2 expression and inhibits SARS-CoV-2 entry and RNA replication. Treating infected cells with SR9009 limits viral replication and secretion of infectious particles, showing that post-entry steps in the viral life cycle are influenced by the circadian system. Our study suggests new approaches to understand and improve therapeutic targeting of COVID-19.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.20.436163v1" target="_blank">Circadian regulation of SARS-CoV-2 infection in lung epithelial cells</a>
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</div></li>
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<li><strong>Interferon Resistance of Emerging SARS-CoV-2 Variants</strong> -
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<div>
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The emergence of SARS-CoV-2 variants with enhanced transmissibility, pathogenesis and resistance to vaccines presents urgent challenges for curbing the COVID-19 pandemic. While Spike mutations that enhance virus infectivity may drive the emergence of these novel variants, studies documenting a critical a role for interferon responses in the early control of SARS-CoV-2 infection, combined with the presence of viral genes that limit these responses, suggest that interferons may also influence SARS-CoV-2 evolution. Here, we compared the potency of 17 different human interferons against 5 viral lineages sampled during the course of the global outbreak that included ancestral and emerging variants. Our data revealed increased interferon resistance in emerging SARS-CoV-2 variants, indicating that evasion of innate immunity is a significant driving force for SARS-CoV-2 evolution. These findings have implications for the increased lethality of emerging variants and highlight the interferon subtypes that may be most successful in the treatment of early infections.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.20.436257v1" target="_blank">Interferon Resistance of Emerging SARS-CoV-2 Variants</a>
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</div></li>
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<li><strong>A bispecific monomeric nanobody induces SARS-COV-2 spike trimer dimers</strong> -
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<div>
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Antibodies binding to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike have therapeutic promise, but emerging variants show the potential for virus escape. Thus, there is a need for therapeutic molecules with distinct and novel neutralization mechanisms. Here we isolated a nanobody that potently neutralizes SARS-CoV-2, including the B.1.351 variant, and cross-neutralizes SARS-CoV. We demonstrate the therapeutic potential of the nanobody in a human ACE2 transgenic mouse model. Using biochemistry and electron cryomicroscopy we show that this nanobody simultaneously interacts with two RBDs from different spike trimers, rapidly inducing the formation of spike trimer-dimers. This naturally elicited bispecific monomeric nanobody establishes a novel strategy for potent immobilization of viral antigens.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.20.436243v1" target="_blank">A bispecific monomeric nanobody induces SARS-COV-2 spike trimer dimers</a>
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</div></li>
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<li><strong>Seeing like a State, Enacting like an Algorithm: (Re)assembling Contact Tracing and Risk Assessment during the Covid-19 Pandemic</strong> -
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<div>
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As states increasingly use algorithms to improve the legibility of society, particularly during the Covid-19 pandemic, it is common for concerns of the expanding power of the algorithm or the state to be raised in a deterministic manner. However, little is known about how the algorithms for states’ legibility projects are deployed, experienced, contested, and reconfigured. Drawing on interviews and media data, this study fills this gap by examining Health Code (jiankangma), the Chinese contact tracing and risk assessment algorithmic system. I first explore the intensive and invisible work and infrastructures that enact and stabilize Health Code’s sociotechnical assemblage. I then show how this assemblage is frequently challenged and destabilized by errors, breakdowns, and exclusions. Facing unintended engagements from heterogeneous social actors, local networks, and power hierarchies, Health Code reassembles into multiple and contradictory assemblages at different periods and social localities. Finally, I examine how people game and bypass the algorithm’s surveillance with their agencies. Recognizing this messiness and heterogeneity contributes to a more nuanced and realistic understanding of states’ use of algorithms, including the risks. Doing so also urges us to rethink how technologies have reshaped the relationship between the state and its citizens in the digital age.
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://osf.io/preprints/socarxiv/g3reu/" target="_blank">Seeing like a State, Enacting like an Algorithm: (Re)assembling Contact Tracing and Risk Assessment during the Covid-19 Pandemic</a>
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</div></li>
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<li><strong>A Queuing Model for Ventilator Capacity Management during the COVID-19 Pandemic</strong> -
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We present a queue model to inform ventilator capacity management under different COVID-19 pandemic scenarios. Our model was used to support ventilator capacity planning during the first wave of the COVID-19 epidemic in British Columbia (BC), Canada. The core of our framework is an extended Erlang loss model, which incorporates COVID-19 case projections, along with the proportion of cases requiring a ventilator, the delay from symptom onset to ventilation, non-COVID-19 ventilator demand, and ventilation time. We implemented our model using discrete event simulation to forecast ventilator utilization. The results predict when capacity would be reached and the rate at which patients would be unable to access a ventilator. We further determined the number of ventilators required to meet a performance indicator target for ventilator access. We applied our model to BC by calibrating to the BC Intensive Care Unit Database and by using local epidemic projections. Epidemic scenarios with and without reduced transmission, due to social distancing and other behavioral changes, were used to link public health interventions to operational impacts on ventilator utilization. The results predict that reduced transmission could potentially avert up to 50 deaths per day by ensuring that ventilator capacity would likely not be reached. Without reduced transmission, an additional 181 ventilators would be required to meet our performance indicator target that 95% of patients can access a ventilator immediately. Our model provides a tool for policy makers to quantify the interplay between public health interventions, necessary critical care resources, and performance indicators for patient access.
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</p>
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.17.21253488v1" target="_blank">A Queuing Model for Ventilator Capacity Management during the COVID-19 Pandemic</a>
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</div></li>
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<li><strong>Effect of vaccination on transmission of COVID-19: an observational study in healthcare workers and their households</strong> -
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<p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">
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Background: The effect of vaccination for COVID-19 on onward transmission is unknown. Methods: A national record linkage study determined documented COVID-19 cases and hospitalizations in unvaccinated household members of vaccinated and unvaccinated healthcare workers from 8th December 2020 to 3rd March 2021. The primary endpoint was COVID-19 >= 14 days following the first dose. Results: The cohort comprised of 194,362 household members (mean age 31.1 years) and 144,525 healthcare workers (mean age 44.4 years). 113,253 (78.3%) of healthcare workers received at least one dose of the BNT162b2 mRNA or ChAdOx1 nCoV-19 vaccine and 36,227 (25.1%) received a second dose. Household members of vaccinated healthcare workers had a lower risk of COVID-19 case compared to household members of unvaccinated healthcare worker (rate per 100 person-years 9.40 versus 5.93; HR 0.70, 95% confidence interval [CI] 0.63-0.78). The effect size for COVID-19 hospitalization was similar, with the confidence interval crossing the null (HR 0.77 [0.53-1.10]). The rate per 100 person years was lower in vaccinated compared to unvaccinated healthcare workers for documented (20.13 versus 8.51; HR 0.45 [0.42-0.49]) and hospitalized COVID-19 (0.97 versus 0.14; HR 0.16 [0.09-0.27]). Compared to the period before the first dose, the risk of documented COVID-19 case was lower at >= 14 days after the second dose for household members (HR 0.46 [0.30-0.70]) and healthcare workers (HR 0.08 [0.04-0.17]). Conclusion: Vaccination of health care workers was associated with a substantial reduction in COVID-19 cases in household contacts consistent with an effect of vaccination on transmission.
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</p>
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</div>
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<div class="article-link article-html-link">
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.11.21253275v1" target="_blank">Effect of vaccination on transmission of COVID-19: an observational study in healthcare workers and their households</a>
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</div></li>
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</ul>
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<h1 data-aos="fade-right" id="from-clinical-trials">From Clinical Trials</h1>
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<ul>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Safety and Tolerability of Emricasan in Symptomatic Outpatients Diagnosed With Mild-COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Drug: Emricasan; Other: Placebo<br/><b>Sponsor</b>: Histogen<br/><b>Recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Efficacy of Reinforcing Standard Therapy in COVID-19 Patients With Repeated Transfusion of Convalescent Plasma</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Other: Convalescent Plasma with antibody against SARS-CoV-2.; Other: Standard treatment for COVID-19<br/><b>Sponsors</b>: Hospital Son Llatzer; Fundació d’investigació Sanitària de les Illes Balears<br/><b>Recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Diagnostic Performance of the ID Now™ COVID-19 Screening Test Versus Simplexa™ COVID-19 Direct Assay</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Diagnostic Test: ID Now™ COVID-19 Screening Test<br/><b>Sponsor</b>: Groupe Hospitalier Paris Saint Joseph<br/><b>Active, not recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>ANTIcoagulation in Severe COVID-19 Patients</strong> - <b>Condition</b>: Severe COVID-19 Pneumonia<br/><b>Interventions</b>: Drug: Tinzaparin, Low dose prophylactic anticoagulation; Drug: Tinzaparin, High dose prophylactic anticoagulation; Drug: Tinzaparin,Therapeutic anticoagulation<br/><b>Sponsor</b>: Assistance Publique - Hôpitaux de Paris<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Neuromodulation in COVID-19 Patients</strong> - <b>Condition</b>: COVID-19<br/><b>Interventions</b>: Device: Transcranial direct-current stimulation; Device: Sham Transcranial direct-current stimulation<br/><b>Sponsors</b>: D’Or Institute for Research and Education; Rio de Janeiro State Research Supporting Foundation (FAPERJ); Conselho Nacional de Desenvolvimento Científico e Tecnológico; Coordenação de Aperfeiçoamento de Pessoal de Nível Superior.<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Off-the-shelf NK Cells (KDS-1000) as Immunotherapy for COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Biological: KDS-1000; Other: Placebo<br/><b>Sponsor</b>: Kiadis Pharma<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>A Study to Assess if a Medicine Called Bamlanivimab is Safe and Effective in Reducing Hospitalization Due to COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Biological: Bamlanivimab; Other: Standard of Care<br/><b>Sponsors</b>: Fraser Health; Fraser Health Authrority Department of Evaluation and Research Services; Surrey Memorial Hospital Clinical Research Unit; Centre for Health Evaluation and Outcome Sciences; Surrey Hospitals Foundation; BC Support Unit; University of British Columbia; Ministry of Health, British Columbia<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Effects of Telerehabilitation After Discharge in COVID-19 Survivors</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Other: Telerehabilitation<br/><b>Sponsor</b>: Hacettepe University<br/><b>Recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Corticosteroids for COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Drug: Prednisone; Device: Point of Care testing device for C-reactive protein<br/><b>Sponsor</b>: University of Alberta<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Covid-19 Vaccination in Adolescents</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Biological: Tozinameran; Biological: Oxford-AstraZeneca COVID-19 vaccine; Biological: CoronaVac<br/><b>Sponsor</b>: The University of Hong Kong<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Efficacy of Adaptogens in Patients With Long COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Dietary Supplement: ADAPT-232 oral solution; Other: Placebo oral solution<br/><b>Sponsors</b>: Swedish Herbal Institute AB; National Family Medicine Training Centre, Georgia; Tbilisi State Medical University; Phytomed AB<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Effectiveness of the Adsorbed Vaccine COVID-19 (Coronavac) Among Education and Public Safety Workers With Risk Factors for Severity</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Biological: Adsorbed SARS-CoV-2 (inactivated) vaccine<br/><b>Sponsors</b>: Fundação de Medicina Tropical Dr. Heitor Vieira Dourado; Butantan Institute<br/><b>Recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Improved Oxygen Therapy in Covid-19</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Other: oxygen mask<br/><b>Sponsor</b>: Region Skane<br/><b>Recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>COVID-19 Self-Testing Through Rapid Network Distribution</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Behavioral: COVID-19 self-test; Behavioral: COVID-19 test referral<br/><b>Sponsors</b>: University of Pennsylvania; Public Health Management Corporation<br/><b>Not yet recruiting</b></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Text-based Reminders to Promote COVID-19 Vaccinations</strong> - <b>Condition</b>: Covid19, Vaccines<br/><b>Interventions</b>: Behavioral: Self-benefit; Behavioral: Prosocial-benefit; Behavioral: Early access; Behavioral: Fresh start<br/><b>Sponsors</b>: University of California, Los Angeles; Carnegie Mellon University<br/><b>Recruiting</b></p></li>
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</ul>
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<h1 data-aos="fade-right" id="from-pubmed">From PubMed</h1>
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<ul>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>IL-6 inhibition in the treatment of COVID-19: a meta-analysis and meta-regression</strong> - CONCLUSIONS: IL-6 inhibition is associated with clinically meaningful improvements in outcomes for patients admitted with COVID-19. Long-term benefits of IL-6 inhibition, its effectiveness across healthcare systems, and implications for differing standards of care are currently unknown.</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Zinc supplementation as an adjunct therapy for COVID-19: challenges and opportunities</strong> - An outbreak of a novel coronavirus (COVID-19 or 2019-CoV) infection has posed significant threats to international health and the economy. Patients with COVID-19 are at risk of cytokine storm, acute respiratory distress syndrome (ARDS), reduced blood oxygenation, mechanical ventilation, and a high death rate. Although recent studies have shown remdesivir & dexamethasone as treatment options, there is an urgent need to find a treatment to inhibit virus replication and to control the progression…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Alpha-1 antitrypsin inhibits TMPRSS2 protease activity and SARS-CoV-2 infection</strong> - SARS-CoV-2 is a respiratory pathogen and primarily infects the airway epithelium. As our knowledge about innate immune factors of the respiratory tract against SARS-CoV-2 is limited, we generated and screened a peptide/protein library derived from bronchoalveolar lavage for inhibitors of SARS-CoV-2 spike-driven entry. Analysis of antiviral fractions revealed the presence of α(1)-antitrypsin (α(1)AT), a highly abundant circulating serine protease inhibitor. Here, we report that α(1)AT inhibits…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Messenger RNA vaccines against SARS-CoV-2</strong> - The first two vaccines proven to be effective for inhibiting COVID-19 illness were both mRNA, achieving 95% efficacy (and safety) among 74,000 participants (half receiving placebo) after intramuscular delivery of two shots, 3-4 weeks apart. To view this Bench to Bedside, open or download the PDF.</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>What Do Influenza and COVID-19 Represent for Patients With Inflammatory Bowel Disease?</strong> - CONCLUSIONS: Once the cytokine storm observed in influenza and COVID-19 is similar to the cytokine pattern observed in IBD patients during the disease flares, the advice is that avoiding the infections is still an optimal option for IBD subjects.</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Withanone from Withania somnifera Attenuates SARS-CoV-2 RBD and Host ACE2 Interactions to Rescue Spike Protein Induced Pathologies in Humanized Zebrafish Model</strong> - CONCLUSION: In conclusion, this study provided experimental validation for computational insight into the potential of withanone as a potent inhibitor of SARS-CoV-2 coronavirus entry into the host cells.</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Artificial Intelligence for COVID-19 Drug Discovery and Vaccine Development</strong> - SARS-COV-2 has roused the scientific community with a call to action to combat the growing pandemic. At the time of this writing, there are as yet no novel antiviral agents or approved vaccines available for deployment as a frontline defense. Understanding the pathobiology of COVID-19 could aid scientists in their discovery of potent antivirals by elucidating unexplored viral pathways. One method for accomplishing this is the leveraging of computational methods to discover new candidate drugs…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Evaluation of Annona muricata Acetogenins as Potential Anti-SARS-CoV-2 Agents Through Computational Approaches</strong> - Annona muricata, a tropical plant which has been extensively used in ethnomedicine to treat a wide range of diseases, from malaria to cancer. Interestingly, this plant has been reported to demonstrate significant antiviral properties against the human immunodeficiency virus, herpes simplex virus, human papilloma virus, hepatitis C virus and dengue virus. Additionally, the bioactive compounds responsible for antiviral efficacy have also shown to be selectively cytotoxic while inhibiting…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Antibodies to neutralising epitopes synergistically block the interaction of the receptor-binding domain of SARS-CoV-2 to ACE 2</strong> - CONCLUSION: COVID-19 convalescent patients have SARS-CoV-2-specific antibodies and MBCs, the specificities of which can be defined with short peptides. Epitope-specific antibodies synergistically block RBD-ACE2 interaction.</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Imaging features of COVID-19: What we can learn from SARS and MERS (Review)</strong> - Coronavirus disease 2019 (COVID-19) is a highly infectious type of pneumonia caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that has rapidly become a global pandemic. COVID-19, SARS and Middle East respiratory syndrome (MERS) are all caused by members of the Coronaviridae family. As expected, emerging genetic and clinical evidence from patients with COVID-19 has indicated that the pathway of infection is similar to that of SARS and MERS. Additionally, much like SARS and…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Macrolides May Prevent Severe Acute Respiratory Syndrome Coronavirus 2 Entry into Cells: A Quantitative Structure Activity Relationship Study and Experimental Validation</strong> - The global pandemic caused by the emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is threatening the health and economic systems worldwide. Despite the enormous efforts of scientists and clinicians around the world, there is still no drug or vaccine available worldwide for the treatment and prevention of the infection. A rapid strategy for the identification of new treatments is based on repurposing existing clinically approved drugs that show antiviral activity against…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Membrane Nanoparticles Derived from ACE2-Rich Cells Block SARS-CoV-2 Infection</strong> - The ongoing COVID-19 pandemic worldwide necessitates the development of therapeutics against SARS-CoV-2. ACE2 is the main receptor of SARS-CoV-2 S1 and mediates viral entry into host cells. Herein, membrane nanoparticles (NPs) prepared from ACE2-rich cells were discovered to have potent capacity to block SARS-CoV-2 infection. The membranes of human embryonic kidney-239T cells highly expressing ACE2 were applied to prepare NPs using an extrusion method. The nanomaterials, termed ACE2-NPs,…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Antiretroviral drug activity and potential for pre-exposure prophylaxis against COVID-19 and HIV infection</strong> - COVID-19 is the disease caused by SARS-CoV-2 which has led to 2,643,000 deaths worldwide, a number which is rapidly increasing. Urgent studies to identify new antiviral drugs, repurpose existing drugs, or identify drugs that can target the overactive immune response are ongoing. Antiretroviral drugs (ARVs) have been tested in past human coronavirus infections, and also against SARS-CoV-2, but a trial of lopinavir and ritonavir failed to show any clinical benefit in COVID-19. However, there is…</p></li>
|
||
<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Discovery of Clioquinol and analogues as novel inhibitors of Severe Acute Respiratory Syndrome Coronavirus 2 infection, ACE2 and ACE2 - Spike protein interaction in vitro</strong> - Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), the etiological agent for coronavirus disease 2019 (COVID-19), has resulted in an ongoing pandemic. Presently, there are no clinically approved drugs for COVID-19. Hence, there is an urgent need to accelerate the development of effective antivirals. Herein, we discovered Clioquinol (5-chloro-7-iodo-8-quinolinol (CLQ)), a Food and Drug Administration (FDA) approved drug, and two of its analogues (7-bromo-5-chloro-8-hydroxyquinoline…</p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Nano-formulation of herbo-mineral alternative medicine from <em>linga chenduram</em> and evaluation of antiviral efficacy</strong> - Traditional medicine is becoming a primary source of health care in many countries in recent years. The current study proposes a new dimension of understanding a traditional origin treatment, using herbo-mineral preparations in nanoform. The herbo-mineral preparation, Linga chenduram [HMLC], was prepared according to the ancient palm script protocol dates back to 1000 years. In search of alternative therapy for the coronavirus, an attempt was made to determine this ethnic medicine formulation’s…</p></li>
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||
</ul>
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<h1 data-aos="fade-right" id="from-patent-search">From Patent Search</h1>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Peptides and their use in diagnosis of SARS-CoV-2 infection</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU319943278">link</a></p></li>
|
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>A PROCESS FOR SUCCESSFUL MANAGEMENT OF COVID 19 POSITIVE PATIENTS</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU319942709">link</a></p></li>
|
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Sars-CoV-2 vaccine antigens</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU318283136">link</a></p></li>
|
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>SARS-COV-2 BINDING PROTEINS</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU318004130">link</a></p></li>
|
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Bildschirmgerät mit verbesserter Wirkung bei der Befestigung von UV-Entkeimungslampen</strong> -
|
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<p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">
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</p><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">Ein Bildschirmgerät mit verbesserter Wirkung bei der Befestigung von UV-Entkeimungslampen, umfassend: ein Bildschirmgerät, das einen Umfang hat; eine UV-Entkeimungslampe, die sich am Umfang des Bildschirmgeräts befindet; eine Stromquelle, die elektrisch mit der UV-Entkeimungslampe verbunden ist; eine Steuerschaltung, die elektrisch mit der UV-Entkeimungslampe verbunden ist; und eine Befestigungsvorrichtung, durch die die UV-Entkeimungslampe am Umfang des Bildschirmgeräts befestigbar ist, wobei die Befestigungsvorrichtung einen Sitzkörper, eine erste Klemmplatte und eine zweite Klemmplatte aufweist, wobei der Sitzkörper mit der UV-Entkeimungslampe versehen ist, wobei die erste Klemmplatte und die zweite Klemmplatte beabstandet am Sitzkörper gleitbar angeordnet sind, wodurch ein Klemmabstand zwischen der ersten Klemmplatte und der zweiten Klemmplatte besteht, wobei ein elastisches Element zwischen der zweiten Klemmplatte und dem Sitzkörper angeordnet ist, um die zweite Klemmplatte dazu zu zwingen, sich der ersten Klemmplatte zu nähern.</p></li>
|
||
</ul>
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<ul>
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||
<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=DE320246402">link</a></p></li>
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||
<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Schublade mit antiepidemischer Wirkung</strong> -
|
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<p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">
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</p><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">Schublade mit antiepidemischer Wirkung, mit einem Schrank (1); mindestens einer Schublade (2), die in dem Schrank (1) angeordnet ist, wobei jede Schublade (2) einen Schubladenraum (25) aufweist; einer UV-Sterilisationsvorrichtung (3), die an der Schublade (2) angeordnet ist; einer Stromquelle (4), die elektrisch mit der UV-Sterilisationsvorrichtung (3) verbunden ist; einer Steuerschaltung (5), die elektrisch mit der Stromquelle (4) und der UV-Sterilisationsvorrichtung (3) verbunden ist; und einem Sensor (6), der elektrisch mit der Steuerschaltung (5) verbunden ist.</p></li>
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</ul>
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<img alt="embedded image" id="EMI-D00000"/>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=DE320246401">link</a></p></li>
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<li data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Gerät zur Unterstützung und Verstärkung natürlicher Lüftung</strong> -
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<p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">
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</p><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom">Lüftungssystem für einen mit öffnbaren Fenstern (16) ausgestatteten Gebäuderaum, gekennzeichnet dadurch, dass es ein Gehäuse (18) und einen Ventilator (20) aufweist, wobei durch das Gehäuse eine vom Ventilator erzeugte Luftströmung strömen kann, wobei das Gehäuse dafür eine Einströmöffnung (24) für Luft und eine Ausströmöffnung (22) für Luft enthält, wobei eine der beiden Öffnungen der Form eines Öffnungsspalts (26) zwischen einem Fensterflügel (12) und einem Blendrahmen (14) des Fensters (16) angepasst ist.</p></li>
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</ul>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=DE319927546">link</a></p></li>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>X射线图像识别方法、装置、计算机设备及存储介质</strong> - 本申请涉及一种X射线图像识别方法、装置、计算机设备和存储介质。通过获取X射线图像，将X射线图像作为训练样本；构建多注意力交互网络，多注意力交互网络包括卷积批处理标准化网络、特征提取网络和输出网络；其中特征提取网络包括多注意力交互特征提取模块和批标准化模块，特征提取网络通过学习通道之间的相关性，多通道之间的信息交互来达到增强模型的识别能力。利用训练样本对多注意力交互网络进行训练，得到X射线图像识别模型；获取待测X射线图像；将待测X射线图像输入到X射线图像识别模型中，得到X射线图像的类别。本方法减少了网络的参数量和计算量，提高了模型的泛化能力。 - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=CN319953046">link</a></p></li>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>利用HEK293细胞制备新型冠状病毒核衣壳蛋白的方法</strong> - 本发明提供一种利用HEK293细胞制备新型冠状病毒核衣壳蛋白的方法，包括：1）构建新冠病毒核衣壳蛋白（N蛋白）重组表达载体；2）用重组表达载体转染HEK293细胞；3）体外培养细胞，从培养上清中分离纯化N蛋白。利用HEK293表达系统可在短时间内获得大量新冠病毒N蛋白，通过一步亲和层析法可获得纯度高达98%以上的N蛋白。与大肠杆菌相比，采用HEK293表达系统制备的N蛋白在与抗体的结合活性及新冠抗体胶体金检测方面均表现出极大优势，且HEK293表达系统制备的N蛋白其蛋白空间构象接近于病毒N基因在宿主体内的蛋白表达构象，具有更高的免疫诊断和抗体制备的准确性，将其用于制作诊断试剂和疫苗前景广阔。 - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=CN319953048">link</a></p></li>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>Compositions and methods for detecting SARS-CoV-2 spike protein</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU317343760">link</a></p></li>
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</ul>
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