Active clinical trials for "COVID-19"

The objective of this study is to evaluate the a molecular, OTC/At-Home COVID-19 Test in individuals presenting at a medical facility. In eligible subjects, nasal samples will be collected for use with the at-home molecular COVID-19 Test, which will be compared to the Zymo® rRT-PCR test results obtained via samples specified by the sponsor (e.g., AN [anterior nares] swab) to determine accuracy of the at-home/OTC molecular COVID-19 Test in detecting COVID-19 in participants.

Coronavirus disease is caused by SARS-CoV-2, known as 2019 novel coronavirus (2019-nCoV). To date has caused a large number of deaths causing serious respiratory illness such as pneumonia and lung failure, therefore representing a serious threat to public health. The etiological agent belongs to the subfamily Orthocoronavirinae in the family Coronaviridae, Order Nidovirales. The genome of coronaviruses is composed of an enveloped, positive-sense, single-stranded RNA with a size varying between 26 kb and 32 kb, becoming the largest genome of known RNA viruses so far. Similar to RNA viruses, this family is characterized by genetic variability and high recombination rate that enable them to be easily distributed among humans and animals worldwide. Considering the huge impact of the pandemic, it is urgent to gain understanding and to build strategies to contain the viral spread. To date, different diagnostic kits for testing the illness are available. Besides diagnosis, the prediction of the severity and prognosis of COVID-19 is essential to stratify patients and allocate them in the adequate medical facilities so as to reduce mortality rates. It has been reported that microRNAs (miRNAs) are valuable biomarkers for disease diagnosis, prognosis and classification. MiRNAs are defined as a class of non-coding RNAs that are able to regulate gene expression by specific binding to complementary regions in coding messenger RNAs, leading to translational repression or decay. Not only that, but also they can be important modulators of viral infections.Previous studies have revealed the presence of miRNA-like small RNAs (milRNAs), which can be encoded by RNA viruses and can actively disrupt the host innate immune responses in order to create a favourable environment for viral replication. On the other side, cellular miRNAs can also play a role on virus replication and pathogenesis.In this case, this pilot project is aimed at their valuable diagnostic potential, in order to diagnose and stratify patients under viral infection. The project came up after receiving information from a Chinese research group, requesting their results to be replicated in Caucasian population. The ROC curves were constructed to demonstrate the accuracy of this specific miRNA in COVID-19 patient stratification and discerning between severe patients from healthy controls. Both ROC curves suggested the miRNA as precise biomarker for differential diagnosis and prognosis of disease severity.

The purpose of this study is to evaluate the usability of the CareSuperb COVID-19 Antigen Home Test in Home Use.

SARS-CoV-2 rapid antigen over the counter clinical performance evaluation

SARS-CoV-2 rapid antigen over the counter clinical performance evaluation.

This study is being done to see if collecting saliva samples with a "lollipop" collection method works as well as nasopharyngeal samples for COVID-19 polymerase chain reaction (PCR) testing. 225 COVID-positive participants aged 4 years and above admitted to a hospital in the Madison, Wisconsin metropolitan area will be enrolled over a 6 month period.

This is a prospective multicenter study conducted to evaluate the performance of the LumiraDx SARS-CoV-2 Ag Ultra test in detecting severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and LumiraDx SARS-CoV-2 & Flu A/B test in differential detection of SARS-CoV-2, Influenza A (Flu A) and Influenza B (Flu B) at point of care sites. Subjects presenting with symptoms suggestive of coronavirus disease 2019 (COVID-19) and/or Influenza at the time of the study visit will be enrolled and asked to donate swab sample(s) for testing in the device(s) under evaluation.

To evaluate the HyperDetector as a method to rapidly screen SARS-CoV-2 To determine the sensitivity and specificity of the screening assay performed on oral swab and saliva specimens, compared to a validated RT-PCR COVID-19 method using nasal or nasopharyngeal swabs and to separately collected nasal swabs, oral swabs, oral rinse and saliva samples. To determine the best workflow for using such an assay to reflex suspicious/positive samples to a validated RT-PCR COVID-19 assay.

Background: Each Belgian winter season is characterized by a wave of influenza like and respiratory symptoms. Especially, the elderly people are more vulnerable to be infected by influenza, but also RSV. The recent COVID-19 pandemic and eventually a next wave, will increase the prevalence of influenza like and respiratory symptoms. Method: A multicentre non-commercial cohort study will be conducted in nursing home staff and residents during the Winter season 2020-2021. Objectives: Primary objective is the difference in incidence of influenza like and respiratory symptoms between cases (cases have evidence of past infection with SARS-CoV-2, referred to as Covid +) and controls (controls have no evidence of previous infection and are referred to as Covid -). The primary outcome analysis as well as the secondary outcome analyses will use two strata: nursing home staff and nursing home residents. The secondary objectives are the difference in incidence of COVID-19, influenza, RSV infections confirmed by PCR between cases and controls, to define a correlate of protection in the covid + group against re-infection with SARS-CoV-2 based on the study of the pre-existing antibody profile (antigen specificity, antibody type and antibody level) at the time of re-exposure. A multiplex assay will be used to assess the antibody profile. Finally, to study the COVID-19 disease severity (7 point WHO ordinal scale, this includes a.o. hospitalisation, mechanical ventilation need and ICU admission, mortality) based on the presence/absence of pre-existing antibodies and the pre-existing antibody profile. For other respiratory infections we will study the need for hospitalization and mortality.

Olfactory and gustatory disorders are prevalent symptoms in European COVID-19 patients. This study aimed to detect these disturbances among positive COVID-19 patients (symptom not initially highlighted by the patient and not sought by caregivers) in order to allow early management of olfactory and gustatory dysfunction.