Imatinib in COVID-19: hope and caution.
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ABSTRACT:
SUBMITTER: Bernal-Bello D
PROVIDER: S-EPMC8409974 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:Coronaviruses (CoVs) are a group of very diverse viruses that cause a broad spectrum of diseases from mild to severe enteric, respiratory, systemic diseases, and common cold or pneumonia among humans and animals. This virus is associated with Middle East Respiratory Syndrome (MERS), Severe Acute Respiratory Syndrome (SARS), and lung disease that lead to Acute Respiratory Distress Syndrome (ARDS). In December 2019, researchers identified a novel coronavirus type, called Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), which was associated with symptoms of high fever, dry cough, headache, diarrhea, and reduction of White Blood Cells (WBC). Coronavirus-associated acute respiratory disease was named Coronavirus Disease 19 (COVID-19). No proven treatment has been discovered for COVID-19 so far, but researchers are trying to find the best effective way to treat this disease. Therefore, therapeutic strategies that facilitate the recovery of COVID-19 patients and reduce life-threatening complications are urgently needed now. Today, Mesenchymal Stem Cells (MSCs) and their secretion are utilized as one of the most applied tools to treat various diseases such as inflammation and cancer. MSC-derived vesicles are rich in various growth factors, cytokines, and interleukins that are produced and secreted under different physiological or pathological conditions. These vesicles were considered a suitable and effective tool in regeneration medicine because of their high power in repairing damaged tissues and modulating immune responses. Recently, evidence has shown MSC-derived vesicles through reduced expression of pro-inflammatory cytokines could improve damaged tissues in COVID-19 patients. In addition to MSCs and MSC-derived exosomes, Natural Killer (NK) cells, T cells, and platelet lysates were used against viral infection. In this review, we tried to provide an overview of MSC secretion and immune cells for COVID-19 therapy.
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| S-EPMC8412866 | biostudies-literature
Project description:ObjectivesBased on protection motivation theory, we investigate how indicators of threat perception (perceived severity, perceived vulnerability, and fear arousal) and coping appraisal (hope) are associated with older people's motivation to engage in protective behavior after the outbreak of COVID-19.MethodsWe use multivariate regression analyses with a sample of 40,282 individuals from 26 countries participating in the SHARE Corona Survey.ResultsWe find that 15% of all respondents stayed home completely-mainly the oldest and vulnerable people with prior health risk conditions. On average, older Europeans responded strongly to the recommended protective behavior measures (6 out of 7 measures adopted). Among the threat perception indicators, fear arousal is the main motivator for protective behavior, whereas the coping appraisal indicator hope shows an equally strong association.DiscussionGiven the negative health effects of fear, our findings may help evaluate and revise governmental policy responses and communication strategies.
| S-EPMC9207583 | biostudies-literature
Project description:The COVID-19 pandemic, caused by type 2 Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV-2), puts all of us to the test. Epidemiologic observations could critically aid the development of protective measures to combat this devastating viral outbreak. Recent observations, linked nation based universal Bacillus Calmette-Guerin (BCG) vaccination to potential protection against morbidity and mortality from SARS-CoV-2, and received much attention in public media. We wished to validate the findings by examining the country based association between COVID-19 mortality per million population, or daily rates of COVID-19 case fatality (i.e. Death Per Case/Days of the endemic [dpc/d]) and the presence of universal BCG vaccination before 1980, or the year of the establishment of universal BCG vaccination. These associations were examined in multiple regression modeling based on publicly available databases on both April 3rd and May 15th of 2020. COVID-19 deaths per million negatively associated with universal BCG vaccination in a country before 1980 based on May 15th data, but this was not true for COVID-19 dpc/d on either of days of inquiry. We also demonstrate possible arbitrary selection bias in such analyses. Consequently, caution should be exercised amidst the publication surge on COVID-19, due to political/economical-, arbitrary selection-, and fear/anxiety related biases, which may obscure scientific rigor. We argue that global COVID-19 epidemiologic data is unreliable and therefore should be critically scrutinized before using it as a nidus for subsequent hypothesis driven scientific discovery.
| S-EPMC7540851 | biostudies-literature
Project description:IntroductionSilent hypoxia is an entity that has been described in patients diagnosed with COVID-19. It is typically described as objective hypoxia in the absence of proportional respiratory distress. The physiological basis for this phenomenon is controversial, and its prognostic value is unclear. We present a case below, of a 66-year-old female presenting with severe hypoxia that was managed without mechanical ventilation.Presentation of caseA 66 year old female with multiple comorbidities initially presented with a cough, fever and an oxygen saturation of 70% on room air in the absence of respiratory distress or altered mentation. She subsequently tested positive for COVID-19 and was admitted to the intensive care unit; received oxygen via high flow nasal cannula and continuous positive pressure mask. The patient remained in the intensive care unit for 40 days under close observation and exhibited multiple episodes of silent hypoxia on weaning oxygen. She was discharged on room air with an oxygen saturation >90% after 56 days. The patient was not intubated during her stay.Discussion and conclusionClinicians face a clinical dilemma on whether to intubate a "silently hypoxemic" patient, who displays hypoxia out of proportion to clinical examination. The decision is confounded by a lack of clear evidence on whether the benefits of precautionary intubation outweighs the risks, especially in the current COVID-19 pandemic. A recent paradigm shift that recommends delaying intubation further displays the need for clearer analysis of the situation. Our case demonstrates a favorable outcome of the latter approach, yet emphasizes a case-by-case approach until clearer recommendations are available.
| S-EPMC7640922 | biostudies-literature
Project description:The disease produced by the new coronavirus known as SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2), named COVID-19 (Coronavirus Disease-2019) has recently been classified as a pandemic by the World Health Organization (WHO). However, scarce clinical data is available and generally limited to the Chinese population due to the first cases were identified in Wuhan (Hubei, China).This article describes the rationale and design of the HOPE COVID-19 (Health Outcome Predictive Evaluation for COVID 19) registry (ClinicalTrials.gov Identifier: NCT04334291). With an ambispective cohort design, eligible patients are those discharged, deceased or alive, from any hospital center with a confirmed diagnosis or a COVID-19 high suspicion. With a current recruitment of more than 7000 cases, in 46 hospitals in 8 countries, since it is not possible to estimate the sample size based on literature reports, the investigators will try to get the maximum numbers of patients possible. The study primary objective is all cause mortality and aims to characterize the clinical profile of patients infected in order to develop a prognostic clinical score allowing, rapid logistic decision making. As secondary objectives, the analysis of other clinical events, the risk-adjusted influence of treatments and previous comorbidities of patients infected with the disease will be performed.The results of HOPE COVID-19 will contribute to a better understanding of this condition. We aim to describe the management of this condition as well as the outcomes in relation to the therapy chosen, in order to gain insight into improving patient care in the coming months.Clinical trial registrationClinicalTrials.gov. Unique identifier: NCT04334291.
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