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227 lines
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<title>29 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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<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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<h1 data-aos="fade-right" id="from-preprints">From Preprints</h1>
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<li><strong>SARS CoV-2 Might Exploit Cells of the Innate Immune System to Induce the Novel Acute Immune Dysrhythmic Syndrome (n-AIDS) and Para COVID-19 Syndrome.</strong> -
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In this manuscript, we combine our insights towards COVID-19 to present a hypothesis that might explain its pathogenesis and complications while presenting an interesting case report of post COVID-19 allergic cell mediated (dysregulated) delayed type hypersensitivity. Moreover, we confirm our call to reclassify it as novel acute immune dysrhythmic syndrome (n-AIDS) to include both cytokine storm and we suggest to describe post or long COVID and other autoimmune complications as para COVID-19 syndrome. We suggest that SARS CoV-2 might exploit monocytes, macrophages and tissue resident macrophages including skin Langerhans cells to induce dysregulated cellular and humoral immune response through known and yet to be discovered cytokines and chemokines to ultimately induce the cytokine storm and/or autoimmune responses.
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🖺 Full Text HTML: <a href="https://osf.io/4ufzy/" target="_blank">SARS CoV-2 Might Exploit Cells of the Innate Immune System to Induce the Novel Acute Immune Dysrhythmic Syndrome (n-AIDS) and Para COVID-19 Syndrome.</a>
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<li><strong>Infliximab is associated with attenuated immunogenicity to BNT162b2 and ChAdOx1 nCoV-19 SARS-CoV-2 vaccines</strong> -
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Background Delayed second-dose SARS-CoV-2 vaccination trades maximal effectiveness for a lower level of immunity across more of the population. We investigated whether patients with inflammatory bowel disease treated with infliximab have attenuated serological responses to a single-dose of a SARS-CoV-2 vaccine. Methods Antibody responses and seroconversion rates in infliximab-treated patients (n=865) were compared to a cohort treated with vedolizumab (n=428), a gut-selective anti-integrin a4B7 monoclonal antibody. Our primary outcome was anti-SARS-CoV-2 spike (S) antibody concentrations 3-10 weeks after vaccination in patients without evidence of prior infection. Secondary outcomes were seroconversion rates, and antibody responses following past infection or a second dose of the BNT162b2 vaccine. Findings Geometric mean [SD] anti-SARS-CoV-2 antibody concentrations were lower in patients treated with infliximab than vedolizumab, following BNT162b2 (6.0 U/mL [5.9] vs 28.8 U/mL [5.4] P<0.0001) and ChAdOx1 nCoV-19 (4.7 U/mL [4.9]) vs 13.8 U/mL [5.9] P<0.0001) vaccines. In our multivariable models, antibody concentrations were lower in infliximab- compared to vedolizumab-treated patients who received the BNT162b2 (fold change [FC] 0.29 [95% CI 0.21, 0.40], p<0.0001) and ChAdOx1 nCoV-19 (FC 0.39 [95% CI 0.30, 0.51], p<0.0001) vaccines. In both models, age > 59 years, immunomodulator use, Crohn9s disease, and smoking were associated with lower, whilst non-white ethnicity was associated with higher, anti-SARS-CoV-2 antibody concentrations. Seroconversion rates after a single-dose of either vaccine were higher in patients with prior SARS-CoV-2 infection and after two doses of BNT162b2 vaccine. Interpretation Infliximab is associated with attenuated immunogenicity to a single-dose of the BNT162b2 and ChAdOx1 nCoV-19 SARS-CoV-2 vaccines. Vaccination after SARS-CoV-2 infection, or a second dose of vaccine, led to seroconversion in most patients. Delayed second dosing should be avoided in patients treated with infliximab. Funding Royal Devon and Exeter and Hull University Hospital Foundation NHS Trusts. Unrestricted educational grants: F. Hoffmann-La Roche AG (Switzerland), Biogen GmbH (Switzerland), Celltrion Healthcare (South Korea) and Galapagos NV (Belgium).
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21254335v1" target="_blank">Infliximab is associated with attenuated immunogenicity to BNT162b2 and ChAdOx1 nCoV-19 SARS-CoV-2 vaccines</a>
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<li><strong>Emergence and spread of SARS-CoV-2 lineages B.1.1.7 and P.1 in Italy</strong> -
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Italy9s second wave of SARS-CoV-2 has hit hard, with more than 3 million cases and over 100,000 deaths, representing an almost ten-fold increase on the numbers reported by August 2020. Herein, we present the analysis of 6,515 SARS-CoV-2 sequences sampled in Italy between 29th January 2020 and 1st March 2021 and show how different lineages emerged multiple times independently despite lockdown restrictions. Virus lineage B.1.177 became the dominant variant in November 2020, when cases peaked at 40,000 a day, but since January 2021 this is being replaced by the B.1.1.7 9variant of concern9. In addition, we report a sudden increase in another documented variant of concern - lineage P.1 - from December 2020 onwards, most likely caused by a single introduction into Italy. We again highlight how international importations drive the emergence of new lineages and that genome sequencing should remain a top priority for ongoing surveillance in Italy.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.24.21254277v1" target="_blank">Emergence and spread of SARS-CoV-2 lineages B.1.1.7 and P.1 in Italy</a>
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<li><strong>A unique SARS-CoV-2 spike protein P681H strain detected in Israel</strong> -
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Routine detection, surveillance and reporting of SARS-CoV-2 novel variants is important, as these threaten to hinder vaccination efforts. Herein we report a local novel strain that includes a non-synonymous mutation in the spike (S) protein - P681H and additional synonymous mutations. The P681H Israeli strain has not been associated with higher infection rates and was neutralized by sera from vaccinated individuals in comparable levels to the B.1.1.7 strain and a non-P681H strain from Israel.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21253908v1" target="_blank">A unique SARS-CoV-2 spike protein P681H strain detected in Israel</a>
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<li><strong>On the association between SARS-COV-2 variants and COVID-19 mortality during the second wave of the pandemic in Europe</strong> -
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BACKGROUND: Preliminary clinical evidence suggests an increased COVID-19 mortality associated with the variant of concern 20I/501Y.V1. The evidence outside the UK and a real-world comparison of variants spread and mortality is sparse. This study aims at investigating the association between COVID-19 mortality and SARS-COV-2 variants spread during the second wave of the COVID-19 pandemic in Europe. METHODS: For 38 European countries, publicly available data were collected on numbers of COVID-19 deaths, SARS-COV-2 variants spread through time using Nextstrain classification and countries demographic and health characteristics. The cumulative number of COVID-19 deaths and the height of COVID-19 daily deaths peak during the second wave of the pandemic were considered as outcomes. Pearson correlations and multivariate generalized linear models with selection algorithms were used. FINDINGS: The average proportion of 20I/501Y.V1 variant (B.1.1.7) was found to be a significant predictor of cumulative number of COVID-19 deaths within two months before the deaths peak and between 1 January - 25 February 2021, as well as of the deaths peak height when calculating the proportion during the second wave and the pre-peak period. The average proportion of 20A.EU2 variant (S:477N) was a significant predictor of cumulative COVID-19 deaths in the pre-peak period. INTERPRETATION: Our findings suggest that the spread of a new variant of concern 20I/501Y.V1 had a significant impact on the mortality during the second wave of COVID-19 pandemic in Europe and that proportions of 20A.EU2 and 20I/501Y.V1 variants were associated with increased mortality in the initial phase of that wave. KEYWORDS: COVID-19, mortality, SARS-COV-2 variants, variant of concern.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21254289v1" target="_blank">On the association between SARS-COV-2 variants and COVID-19 mortality during the second wave of the pandemic in Europe</a>
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<li><strong>Early experiences of rehabilitation for patients post-COVID to improve fatigue, breathlessness exercise capacity and cognition.</strong> -
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Patients with lasting symptoms of COVID-19 should be offered a comprehensive recovery programme. Patients that completed a six week, twice supervised adapted pulmonary rehabilitation programme demonstrated statistically significant improvements in exercise capacity, respiratory symptoms, fatigue and cognition. Participants improved by 112m on the Incremental Shuttle Walking Test and 544 seconds on the Endurance Shuttle Walking Test. There were no serious adverse events recorded, and there were no dropouts related to symptom worsening. COVID-19 rehabilitation appears feasible and significantly improves clinical outcomes.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21254293v1" target="_blank">Early experiences of rehabilitation for patients post-COVID to improve fatigue, breathlessness exercise capacity and cognition.</a>
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<li><strong>The new SARS-CoV-2 variant and reinfection in the resurgence of COVID-19 outbreaks in Manaus, Brazil</strong> -
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Manaus, a city of 2.2 million population, the capital of Amazonas state of Brazil was hit badly by two waves of COVID-19 with more than 10,000 severe acute respiratory syndrome deaths by the end of February 2021. It was estimated that the first wave infected over three quarters of the population in Manaus based on routine blood donor data, and the second wave was largely due to reinfection with a new variant named P1 strain. In this work, we revisit these claims, and discuss biological constraints. In particular, we model the two waves with a two-strain model without a significant proportion of reinfections.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21254281v1" target="_blank">The new SARS-CoV-2 variant and reinfection in the resurgence of COVID-19 outbreaks in Manaus, Brazil</a>
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<li><strong>A Chemical-Enhanced System for CRISPR-Based Nucleic Acid Detection</strong> -
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The CRISPR-based nucleic acid detection systems such as SHERLOCK, DETECTR and HOLMES have shown great potential for point-of-care testing of viral pathogens, especially in the context of COVID-19 pandemic. Here we optimize several key parameters of reaction chemistry and develop a Chemical Enhanced CRISPR Detection system for nucleic acid (termed CECRID). For the Cas12a/Cas13a-based signal detection phase, we determine buffer conditions and substrate range for optimal detection performance. By comparing several chemical additives, we find that addition of L-proline can secure or enhance Cas12a/Cas13a detection capability. For isothermal amplification phase with typical LAMP and RPA methods, inclusion of L-proline can also enhance specific target amplification as determined by CRISPR detection. Using SARS-CoV-2 pseudovirus, we demonstrate CECRID has enhanced detection sensitivity over chemical additive-null method with either fluorescence or lateral flow strip readout. Thus, CECRID provides an improved detection power and system robustness towards practical application of CRISPR-based diagnostics.
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🖺 Full Text HTML: <a href="https://www.biorxiv.org/content/10.1101/2021.03.28.437376v1" target="_blank">A Chemical-Enhanced System for CRISPR-Based Nucleic Acid Detection</a>
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<li><strong>How unequal vaccine distribution promotes the evolution of vaccine escape</strong> -
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Health officials warn that SARS-CoV-2 vaccines must be uniformly distributed within and among countries if we are to quell the ongoing pandemic. Yet there has been little critical assessment of the underlying reasons for this warning. Here, we explicitly show why vaccine equity is necessary. Perhaps counter-intuitively, we find that vaccine escape mutants are less likely to come from highly vaccinated regions where there is strong selection pressure favoring vaccine escape and more likely to come from neighboring unvaccinated regions where there is no selection favoring escape. Unvaccinated geographic regions thus provide evolutionary reservoirs from which new strains can arise and cause new epidemics within neighboring vaccinated regions and beyond. Our findings have timely implications for vaccine rollout strategies and public health policy.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.27.21254453v2" target="_blank">How unequal vaccine distribution promotes the evolution of vaccine escape</a>
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<li><strong>Development and validation of a clinical and genetic model for predicting risk of severe COVID-19</strong> -
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Clinical and genetic risk factors for severe COVID-19 are often considered independently and without knowledge of the magnitudes of their effects on risk. Using SARS-CoV-2 positive participants from the UK Biobank, we developed and validated a clinical and genetic model to predict risk of severe COVID-19. We used multivariable logistic regression on a 70% training dataset and used the remaining 30% for validation. We also validated a previously published prototype model. In the validation dataset, our new model was associated with severe COVID-19 (odds ratio per quintile of risk=1.77, 95% confidence interval [CI]=1.64, 1.90) and had excellent discrimination (area under the receiver operating characteristic curve=0.732, 95% CI=0.708, 0.756). We assessed calibration using logistic regression of the log odds of the risk score, and the new model showed no evidence of over- or under-estimation of risk (α=−0.08; 95% CI=−0.21, 0.05) and no evidence or over-or under-dispersion of risk (β=0.90, 95% CI=0.80, 1.00). Accurate prediction of individual risk is possible and will be important in regions where vaccines are not widely available or where people refuse or are disqualified from vaccination, especially given uncertainty about the extent of infection transmission among vaccinated people and the emergence of SARS-CoV-2 variants of concern.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.09.21253237v2" target="_blank">Development and validation of a clinical and genetic model for predicting risk of severe COVID-19</a>
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<li><strong>Timeliness of U.S. mortality data releases during the COVID-19 pandemic: delays are associated with electronic death registration system and weekly mortality</strong> -
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All-cause mortality counts allow public health authorities to identify populations experiencing excess deaths from pandemics, natural disasters, and other emergencies. Further, delays in the completeness of mortality counts may contribute to misinformation because death counts take weeks to become accurate. We estimate the timeliness of all-cause mortality releases during the Covid-19 pandemic for the dates April 3-September 5, 2020 by estimating the number of weekly data releases of the NCHS Fluview Mortality Surveillance System until mortality comes within 99% of the counts in the March 19, 2021 provisional mortality data release. States9 mortality counts take 5 weeks at median (interquartile range 4–7 weeks). The fastest states were Maine, New Hampshire, Vermont, New York, Utah, Idaho, and Hawaii. States that hadn9t adopted the electronic death registration system (EDRS) were 4.8 weeks slower to achieve complete mortality counts, and each weekly death per hundred million (range 1-10, median 2) was associated with a 0.8 week delay. Emergency planning should improve the timeliness of mortality data by improving state vital statistics digital infrastructure.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.01.07.21249401v2" target="_blank">Timeliness of U.S. mortality data releases during the COVID-19 pandemic: delays are associated with electronic death registration system and weekly mortality</a>
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<li><strong>Family Demands and Satisfaction with Family Life During the COVID-19 Pandemic</strong> -
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Based upon theories that describe the process of family stress adaptation, we model changes in family demands and satisfaction with family life during the COVID-19 pandemic among a sample of n = 1,042 respondents from Germany. Moreover, based on ecological perspectives on the role of family context, we consider partnership status and parental status as predictors of changes in these variables over time. Using a longitudinal research design, we model co-occurring trajectories of changes in family demands and satisfaction with family life between early April 2020 and early September 2020 using unconditional and conditional multivariate latent growth curve modeling. Results suggest that, on average, both family demands and satisfaction with family life increased across this time period and that having minor children ≤ 17 years of age was associated with decreases in satisfaction with family life across time. Moreover, an exploratory analysis suggests that partnership status may help offset the positive relationship between parental status and family demands. These findings have implications for future research on family life during a crisis and suggest that single parents of young children should be the focus of interventions to reduce family-related stressors and increase levels of family wellbeing during times of crisis.
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🖺 Full Text HTML: <a href="https://psyarxiv.com/8a3gx/" target="_blank">Family Demands and Satisfaction with Family Life During the COVID-19 Pandemic</a>
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<li><strong>Characterizing the incidence of adverse events of special interest for COVID-19 vaccines across eight countries: a multinational network cohort study</strong> -
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As large-scale immunization programs against COVID-19 proceed around the world, safety signals will emerge that need rapid evaluation.1,2 We report population-based, age- and sex-specific background incidence rates of potential adverse events of special interest (AESI) in eight countries using thirteen databases. This multi-national network cohort study included eight electronic medical record and five administrative claims databases from Australia, France, Germany, Japan, Netherlands, Spain, the United Kingdom and the United States, mapped to a common data model. People observed for at least 365 days before 1 January 2017, 2018, or 2019 were included. We based study outcomes on lists published by regulators: acute myocardial infarction, anaphylaxis, appendicitis, Bell s palsy, deep vein thrombosis, disseminated intravascular coagulation, encephalomyelitis, Guillain-Barre syndrome, hemorrhagic and non-hemorrhagic stroke, immune thrombocytopenia, myocarditis/pericarditis, narcolepsy, pulmonary embolism, and transverse myelitis.3 We calculated incidence rates stratified by age, sex, and database. We pooled rates across databases using random effects meta-analyses. We classified meta-analytic estimates into Council of International Organizations of Medical Sciences categories: very common, common, uncommon, rare, or very rare.4 We analyzed 126,661,070 people. Rates varied greatly between databases and by age and sex. Some AESI (e.g., myocardial infarction, Guillain-Barre syndrome) increased with age, while others (e.g., anaphylaxis, appendicitis) were more common in young people. As a result, AESI were classified differently according to age. For example, myocardial infarction was very rare in children, rare in women aged 35-54 years, uncommon in men and women aged 55-84 years, and common in those aged ≥85 years. We report robust baseline rates of prioritized AESI across 13 databases. Age, sex, and variation between databases should be considered if background AESI rates are compared to event rates observed with COVID-19 vaccines.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.25.21254315v2" target="_blank">Characterizing the incidence of adverse events of special interest for COVID-19 vaccines across eight countries: a multinational network cohort study</a>
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<li><strong>Vaccine escape in a heterogeneous population: insights for SARS-CoV-2 from a simple model</strong> -
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As a counter measure to the SARS-CoV-2 pandemic there has been swift development and clinical trial assessment of candidate vaccines, with subsequent deployment as part of mass vaccination campaigns. However, the SARS-CoV-2 virus has demonstrated the ability to mutate and develop variants, which can modify epidemiological properties and potentially also the effectiveness of vaccines. The widespread deployment of highly effective vaccines may rapidly exert selection pressure on the SARS-CoV-2 virus directed towards mutations that escape the vaccine induced immune response. This is particularly concerning whilst infection is widespread. By developing and analysing a mathematical model of two population groupings with differing vulnerability and contact rates, we explore the impact of the deployment of vaccine amongst the population on R, cases, disease abundance and vaccine escape pressure. The results from this model illustrate two insights (i) vaccination aimed at reducing prevalence could be more effective at reducing disease than directly vaccinating the vulnerable; (ii) the highest risk for vaccine escape can occur at intermediate levels of vaccination. This work demonstrates a key principle that the careful targeting of vaccines towards particular population groups could reduce disease as much as possible whilst limiting the risk of vaccine escape.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.14.21253544v2" target="_blank">Vaccine escape in a heterogeneous population: insights for SARS-CoV-2 from a simple model</a>
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<li><strong>Perceptions on undertaking regular asymptomatic self-testing for COVID-19 using lateral flow tests: A qualitative study of university students and staff</strong> -
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Background There has been an increased interest from governments in implementing mass testing for COVID-19 of asymptomatic individuals using Lateral Flow Tests (LFTs). Successful implementation of such programmes depends on several factors, including feasibility, acceptability and how people act on test results. There is a paucity of studies examining these issues. Objective We aimed to examine experiences of university students and staff with experience of regular asymptomatic self-testing using LFTs, and their subsequent behaviours. Methods We invited people who were participating in a weekly testing feasibility study. We conducted semi-structured remote interviews between December 2020 and January 2021. Additional qualitative data from a survey were also analysed. Data were analysed thematically. Results We interviewed 18 and surveyed 214 participants. Participants were motivated to regularly self-test as they wanted to know whether or not they were infected with SARS-CoV-2. Most reported that a negative test result did not change their behaviour but it did provide them with reassurance to engage with permitted activities. In contrast, some participants reported making decisions about visiting other people when they would not have done so otherwise, because they felt reassured by a negative test result. Participants valued the test training but some participants still doubted their ability to carry out the test. Participants were concerned about safety of attending test sites with lots of people and reported home testing was most convenient. Conclusions If governments want to increase uptake of LFT use, clear messages highlighting the benefits of regular testing for family, friends and society in identifying asymptomatic cases are needed. This should be coupled with transparent communication about accuracy of LFTs and how to act on either a positive or negative result. Concerns about safety, convenience of testing, and ability to do tests need to be addressed to ensure successful scaling up asymptomatic testing.
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🖺 Full Text HTML: <a href="https://www.medrxiv.org/content/10.1101/2021.03.26.21254337v1" target="_blank">Perceptions on undertaking regular asymptomatic self-testing for COVID-19 using lateral flow tests: A qualitative study of university students and staff</a>
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<h1 data-aos="fade-right" id="from-clinical-trials">From Clinical Trials</h1>
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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>Pilot Trial of XFBD, a TCM, in Persons With COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Drug: Xuanfei Baidu Granules; Other: Placebo<br/><b>Sponsor</b>: Darcy Spicer<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>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>SERUR: COVID-19 Serological Survey of Staff From the University Reims-Champagne Ardennes</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Diagnostic Test: Anti-SARS-CoV2 Serology<br/><b>Sponsor</b>: Université de Reims Champagne-Ardenne<br/><b>Completed</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>Study to Evaluate the Viral Load Reduction of a Single Dose of Plitidepsin in Adult Patients With COVID-19</strong> - <b>Condition</b>: COVID-19<br/><b>Interventions</b>: Drug: Plitidepsin; Drug: Symptomatic Treatment<br/><b>Sponsors</b>: PharmaMar; Apices Soluciones S.L.<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>Immunogenicity and Safety of Recombinant COVID-19 Vaccine (CHO Cells)</strong> - <b>Condition</b>: COVID-19<br/><b>Interventions</b>: Biological: a middle-dose recombinant COVID-19 vaccine (CHO Cell) (18-59 years) at the schedule of day 0, 28, 56; Biological: a high-dose recombinant COVID-19 vaccine (CHO Cell) (18-59 years) at the schedule of day 0, 28, 56; Biological: a middle-dose recombinant COVID-19 vaccine (CHO Cell) (60-85 years) at the schedule of day 0, 28, 56; Biological: a high-dose recombinant COVID-19 vaccine (CHO Cell) (60-85 years) at the schedule of day 0, 28, 56; Biological: a middle-dose placebo (18-59 years) at the schedule of day 0, 28, 56; Biological: a high-dose placebo (18-59 years) at the schedule of day 0, 28, 56; Biological: a middle-dose placebo (60-85 years) at the schedule of day 0, 28, 56; Biological: a high-dose placebo (60-85 years) at the schedule of day 0, 28, 56<br/><b>Sponsors</b>: Jiangsu Province Centers for Disease Control and Prevention; Academy of Military Medical Sciences，Academy of Military Sciences，PLA ZHONGYIANKE Biotech Co, Ltd. LIAONINGMAOKANGYUAN Biotech Co, Ltd<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>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>Clinical Decision Support System Based on Non-invasive Tele-monitoring of COVID-19 Patients</strong> - <b>Condition</b>: COVID-19<br/><b>Intervention</b>: Device: Clinical decision support system based on non-invasive multimodal monitoring<br/><b>Sponsors</b>: Increase-Tech; Hospital Clínico Universitario de Valladolid; University of Valladolid; Sanidad de Castilla y León<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>Post COVID-19 Syndrome and the Gut-lung Axis</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Dietary Supplement: Omni-Biotic Pro Vi 5; Dietary Supplement: Placebo<br/><b>Sponsors</b>: Medical University of Graz; CBmed Ges.m.b.H.<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 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>STOP-COVID19: Superiority Trial Of Protease Inhibition in COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Interventions</b>: Drug: Brensocatib; Drug: Placebo<br/><b>Sponsors</b>: University of Dundee; NHS Tayside; Insmed Incorporated<br/><b>Completed</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>Monitoring of COVID-19 Seroprevalence Among GHdC Staff Members</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Diagnostic Test: Serology to determine SARS-CoV-2 infection<br/><b>Sponsor</b>: Grand Hôpital de Charleroi<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>UNITE Study (UCSD-SW) for COVID-19</strong> - <b>Condition</b>: Covid19<br/><b>Intervention</b>: Device: Splenic Ultrasound<br/><b>Sponsors</b>: Imanuel Lerman; SecondWave Systems Inc.; MCDC (Unites States Department of Defense)<br/><b>Recruiting</b></p></li>
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<h1 data-aos="fade-right" id="from-pubmed">From PubMed</h1>
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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>Antimalarial Quinacrine and Chloroquine Lose Their Activity by Decreasing Cationic Amphiphilic Structure with a Slight Decrease in pH</strong> - Quinacrine (QC) and chloroquine (CQ) have antimicrobial and antiviral activities as well as antimalarial activity, although the mechanisms remain unknown. QC increased the antimicrobial activity against yeast exponentially with a pH-dependent increase in the cationic amphiphilic drug (CAD) structure. CAD-QC localized in the yeast membranes and induced glucose starvation by noncompetitively inhibiting glucose uptake as antipsychotic chlorpromazine (CPZ) did. An exponential increase in…</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>Cathepsin L plays a key role in SARS-CoV-2 infection in humans and humanized mice and is a promising target for new drug development</strong> - To discover new drugs to combat COVID-19, an understanding of the molecular basis of SARS-CoV-2 infection is urgently needed. Here, for the first time, we report the crucial role of cathepsin L (CTSL) in patients with COVID-19. The circulating level of CTSL was elevated after SARS-CoV-2 infection and was positively correlated with disease course and severity. Correspondingly, SARS-CoV-2 pseudovirus infection increased CTSL expression in human cells in vitro and human ACE2 transgenic mice in…</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>Intracortical GABAergic dysfunction in patients with fatigue and dysexecutive syndrome after COVID-19</strong> - CONCLUSIONS: The present study documents for the first time reduced GABAergic inhibition in the M1 in patients who recovered from COVID-19 with neurological complications and manifested fatigue and dysexecutive syndrome.</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>Attenuation of 7-ketocholesterol- and 7β-hydroxycholesterol-induced oxiapoptophagy by nutrients, synthetic molecules and oils: potential for the prevention of age-related diseases</strong> - Age-related diseases for which there are no effective treatments include cardiovascular diseases; neurodegenerative diseases such as Alzheimer’s disease; eye disorders such as cataract and age-related macular degeneration; and, more recently, Severe Acute Respiratory Syndrome (SARS-CoV-2). These diseases are associated with plasma and/or tissue increases in cholesterol derivatives mainly formed by auto-oxidation: 7-ketocholesterol, also known as 7-oxo-cholesterol, and 7β-hydroxycholesterol. The…</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>Glycyrrhizin prevents SARS-CoV-2 S1 and Orf3a induced high mobility group box 1 (HMGB1) release and inhibits viral replication</strong> - Efforts to understand host factors critical for COVID-19 pathogenesis have identified high mobility group box 1 (HMGB1) to be crucial for regulating susceptibility to SARS-CoV-2. COVID-19 disease severity is correlated with heightened inflammatory responses, and HMGB1 is an important extracellular mediator in inflammation processes.In this study, we evaluated the effect of HMGB1 inhibitor Glycyrrhizin on the cellular perturbations in lung cells expressing SARS-CoV-2 viral proteins. Pyroptosis in…</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>Neutralizing and protective human monoclonal antibodies recognizing the N-terminal domain of the SARS-CoV-2 spike protein</strong> - Most human monoclonal antibodies (mAbs) neutralizing SARS-CoV-2 recognize the spike (S) protein receptor-binding domain and block virus interactions with the cellular receptor angiotensin-converting enzyme 2. We describe a panel of human mAbs binding to diverse epitopes on the N-terminal domain (NTD) of S protein from SARS-CoV-2 convalescent donors and found a minority of these possessed neutralizing activity. Two mAbs (COV2-2676 and COV2-2489) inhibited infection of authentic SARS-CoV-2 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>Essentials in saline pharmacology for nasal or respiratory hygiene in times of COVID-19</strong> - CONCLUSIONS: Saline interacts at various levels relevant to nasal or respiratory hygiene (nasal irrigation, gargling or aerosol). If used from the onset of common cold symptoms, it may represent a useful add-on to first-line interventions for COVID-19. Formal evaluation in mild COVID-19 is desirable as to establish efficacy and optimal treatment regimens.</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>Dual inhibition of CB(1) R and iNOS as a potential novel approach to the pharmacological management of acute and long COVID-19</strong> - COVID-19 (SARS-CoV-2) causes multiple inflammatory complications, resulting not only in severe lung inflammation but also in harm to other organs. While current focus is on the management of acute COVID-19, there is growing concern about long term effects of COVID-19 (Long Covid), such as fibroproliferative changes in lung, heart and kidney. Therefore, identifying therapeutic modalities is needed not only for the management of acute COVID-19 but also for preventing Long Covid, which could…</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>The Renin-Angiotensin System, Hypertension, and SARS-CoV-2 Infection: a Review</strong> - PURPOSE OF REVIEW: This review focuses on the associations between the renin-angiotensin system, hypertension, and severe acute respiratory syndrome (SARS-COV-2) infection. A brief prelude on the current state of affairs with COVID-19 is given. In addition to an overview of ACE2, Ang II, and Ang (1-7), this review presents a brief statement on hypertension, including the function of enzymes involved in the control of hypertension, cardiovascular disease, diabetes mellitus, and other…</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>Possible Therapeutic Use of Natural Compounds Against COVID-19</strong> - The outbreak of severe acute respiratory syndrome-coronavirus-2 (SARS-CoV-2) has led to coronavirus disease-19 (COVID-19); a pandemic disease that has resulted in devastating social, economic, morbidity and mortality burdens. SARS-CoV-2 infects cells following receptor-mediated endocytosis and priming by cellular proteases. Following uptake, SARS-CoV-2 replicates in autophagosome-like structures in the cytosol following its escape from endolysosomes. Accordingly, the greater endolysosome pathway…</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>D-Limonene Is a Potential Monoterpene to Inhibit PI3K/Akt/IKK-alpha/NF-kappaB p65 Signaling Pathway in Coronavirus Disease 2019 Pulmonary Fibrosis</strong> - At the time of the prevalence of coronavirus disease 2019 (COVID-19), pulmonary fibrosis (PF) related to COVID-19 has become the main sequela. However, the mechanism of PF related to COVID (COVID-PF) is unknown. This study aimed to explore the key targets in the development of COVID-PF and the mechanism of d-limonene in the COVID-PF treatment. The differentially expressed genes of COVID-PF were downloaded from the GeneCards database, and their pathways were analyzed. d-Limonene was molecularly…</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>Plant Products as Inhibitors of Coronavirus 3CL Protease</strong> - Background: The ongoing COVID-19 pandemic has created an alarming situation due to extensive loss of human lives and economy, posing enormous threat to global health security. Till date, no antiviral drug or vaccine against SARS-CoV-2 has reached the market, although a number of clinical trials are under way. The viral 3-chymotrypsin-like cysteine protease (3CL^(pro)), playing pivotal roles in coronavirus replication and polyprotein processing, is essential for its life cycle. In fact, 3CL^(pro)…</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>In silico investigation of critical binding pattern in SARS-CoV-2 spike protein with angiotensin-converting enzyme 2</strong> - Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) is a newly-discovered coronavirus and responsible for the spread of coronavirus disease 2019 (COVID-19). SARS-CoV-2 infected millions of people in the world and immediately became a pandemic in March 2020. SARS-CoV-2 belongs to the beta-coronavirus genus of the large family of Coronaviridae. It is now known that its surface spike glycoprotein binds to the angiotensin-converting enzyme-2 (ACE2), which is expressed on the lung epithelial…</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>SARS-CoV-2 infection rewires host cell metabolism and is potentially susceptible to mTORC1 inhibition</strong> - Viruses hijack host cell metabolism to acquire the building blocks required for replication. Understanding how SARS-CoV-2 alters host cell metabolism may lead to potential treatments for COVID-19. Here we profile metabolic changes conferred by SARS-CoV-2 infection in kidney epithelial cells and lung air-liquid interface (ALI) cultures, and show that SARS-CoV-2 infection increases glucose carbon entry into the TCA cycle via increased pyruvate carboxylase expression. SARS-CoV-2 also reduces…</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>Generation of SARS-CoV-2 reporter replicon for high-throughput antiviral screening and testing</strong> - Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) research and antiviral discovery are hampered by the lack of a cell-based virus replication system that can be readily adopted without biosafety level 3 (BSL-3) restrictions. Here, the construction of a noninfectious SARS-CoV-2 reporter replicon and its application in deciphering viral replication mechanisms and evaluating SARS-CoV-2 inhibitors are presented. The replicon genome is replication competent but does not produce progeny…</p></li>
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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>5-(4-TERT-BUTOXY PHENYL)-3-(4N-OCTYLOXYPHENYL)-4,5-DIHYDROISOXAZOLE MOLECULE (C-I): A PROMISING DRUG FOR SARS-COV-2 (TARGET I) AND BLOOD CANCER (TARGET II)</strong> - The present invention relates to a method ofmolecular docking of crystalline compound (C-I) with SARS-COV 2 proteins and its repurposing with proteins of blood cancer, comprising the steps of ; employing an algorithmto carry molecular docking calculations of the crystalized compound (C-I); studying the compound computationally to understand the effect of binding groups with the atoms of the amino acids on at least four target proteins of SARS-COV 2; downloading the structure of the proteins; removing water molecules, co enzymes and inhibitors attached to the enzymes; drawing the structure using Chem Sketch software; converting the mol file into a PDB file; using crystalized compound (C-I) for comparative and drug repurposing with two other mutated proteins; docking compound into the groove of the proteins; saving format of docked molecules retrieved; and filtering and docking the best docked results. - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=IN320884617">link</a></p></li>
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<li><p data-aos="fade-left" data-aos-anchor-placement="bottom-bottom"><strong>USING CLINICAL ONTOLOGIES TO BUILD KNOWLEDGE BASED CLINICAL DECISION SUPPORT SYSTEM FOR NOVEL CORONAVIRUS (COVID-19) WITH THE ADOPTION OF TELECONFERENCING FOR THE PRIMARY HEALTH CENTRES/SATELLITE CLINICS OF ROYAL OMAN POLICE IN SULTANATE OF OMAN</strong> - - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=AU320796026">link</a></p></li>
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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>IN SILICO SCREENING OF ANTIMYCOBACTERIAL NATURAL COMPOUNDS WITH THE POTENTIAL TO DIRECTLY INHIBIT SARS COV 2</strong> - IN SILICO SCREENING OF ANTIMYCOBACTERIAL NATURAL COMPOUNDS WITH THE POTENTIAL TO DIRECTLY INHIBIT SARS COV 2Insilico screening of antimycobacterial natural compounds with the potential to directly inhibit SARS COV2 relates to the composition for treating SARS-COV-2 comprising the composition is about 0.1 – 99% and other pharmaceutically acceptable excipients. The composition also treats treating SARS, Ebola, Hepatitis-B and Hepatitis–C comprising the composition is about 0.1 – 99% and other pharmaceutically acceptable excipients. - <a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=IN320777840">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><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>
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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><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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<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><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><a href="https://patentscope.wipo.int/search/en/detail.jsf?docId=DE319927546">link</a></li>
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</ul>
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