Active clinical trials for "COVID-19"

Covid-19 (English acronym meaning coronavirus disease 2019) is an emerging infectious disease caused by a strain of coronavirus called SARS-CoV-2. The current pandemic has resulted in a significant number of admissions in the emergency room (ER) due to suspicion of COVID-19 infection. Use of lung ultrasound is standard practice to diagnose acute respiratory failure in ER. Recently, typical lung ultrasonographic characteristics of COVID-19 disease has been described. The investigators demonstrated that the association of 4 signs in pulmonary ultrasound associated with a clinical sign (COVILUS score) could predict the occurrence of a positive RT-PCR in patients suspected of COVID-19 infection admitted to the emergency room. The investigators are going to conduct a new study to validate this COVILUS score in this type of patient. The main objective will be to validate the diagnostic performance of lung ultrasound in patients admitted to the emergency room with suspected COVID19 infection.

Multicentre, retrospective, observational study to describe the course of SARS-CoV-2 disease in patients treated or not with IMUNO TF ® and a combination of nutraceuticals and who have tested positive in a COVID-19 diagnostic test based on the duration of symptoms.

Prospective, observational, exploratory study exploring the relationship between passively-collected data from wearable activity devices and SARS-CoV-2 infection

This multicentre prospective study will enroll a sufficient number of patients to afford approximately 60 positives and > 40 negatives (as determined by the SOC - Comparator method) in the United States and/or Canada. One to three sites in the United States and/or Canada will participate over an approximate 12-week enrolment period. The actual enrolment period will be dependent upon prevalence of Covid-19. Once positives sample size is achieved, expected SARC-CoV-2 negative subjects will be permitted. This study is observational and will not impact the medical management of the patient. The results of the Spartan Test will be blinded to the clinical staff during the study and will not impact the medical management of the subject. Once informed consent is obtained and eligibility is confirmed, subject demographics, and patient reported COVID-19 symptoms will be recorded. For the purposes of this study, enrolment will be defined as the collection of the two study-specific nasopharyngeal (NP) samples for Spartan's Test. Each patient's active involvement in the study will last for approximately 30 minutes. To support the EUA, a minimum of 30 individual natural positive clinical specimens will be collected from patients suspected of SARS-CoV-2 infection by a healthcare provider in COVID-19 disease endemic regions in the United States. Additionally, a minimum of 30 individual negative samples will also be used to support the EUA from patients in the United States. Once subjects are consented and recruited for the study, three nasopharyngeal samples for each patient will be collected by trained operators at the clinical site. The first sample will be tested at the clinical site according to standard of care protocols currently in place for the sites' nasopharyngeal swab-based SARS-CoV-2 RT-PCR testing. The second nasopharyngeal sample will be tested at the site using the Spartan COVID-19 v2 System. The third nasopharyngeal sample will be tested using the Spartan COVID-19 v2 System only when the test conducted with the second nasopharyngeal swab does not produce a positive or negative result. The sample for the SOC test will be collected prior to the samples for the Spartan COVID-19 v2 System as per clinical regulations.

This is a study of validation for diagnostic techniques used on epidemiological control in the COVID-19 pandemic. It will be carried out in accredited public, private and university clinical laboratories of the collaborator institutions of the project based in Tarija, Bolivia. It is designed as a sectional validation study, using samples from specific groups of participants from the municipality of Tarija grouped according to their category with respect to symptoms and viral load of COVID-19. The sample is selected for convenience.

Recent literature shows that the sensitivity of the PCR tests for the detection of SARS-CoV-2 using saliva samples is close to that using nasopharyngeal swabs. This type of sampling represents a practical advantage since it can be performed by the patient herself/himself and would thus allow to speed up the collection process. It is also less painful and could prevent the rare lesions to the nasal mucosa that can occur when using nasopharyngeal swabs. Rapid Diagnostic Tests for the detection of SARS-CoV-2 antigens have been developed using nasophayngeal swabs and have shown very high sensitivity against PCR, ranging from 93% to 98% when based on laboratory validation, 80% when based on clinical validation.This method offers the considerable advantage to inform the patient of the test result on site, and allow the provision of appropriate recommendations on the spot of testing. The studies performed so far have been conducted using nasopharyngeal samples only. There are no data with saliva yet. It is expected that the RDT would also work on the saliva. Even if slightly less sensitive due to the fact that it detects antigens and not multiplied RNA as PCR does, RDT on saliva could better serve the public health goal to test widely and quickly and have ultimately more COVID cases detected and isolated, and hence reduced transmission. To investigate the case detection rates of both PCR on saliva and nasopharynx and RDT on nasopharynx and saliva, the patient will be taken four samples, two swabs on saliva, one for RDT and one for PCR, and two swabs on nasopharynx, one for RDT and one for PCR. Patients who have at least one of the common symptoms and who consent to such a procedure will be recruited to compare the four results. The primary objective is to compare the case detection rates for SARS-CoV-2 of the four testing methods (two sampling types and two test types).

The primary objectives of this study are: To determine the proportion of children with Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) related death, rehospitalization or major complications after infection with SARS-CoV-2 and/or Multisystem Inflammatory Syndrome in Children (MIS-C), and To determine immunologic mechanisms and immune signatures associated with disease spectrum and subsequent clinical course during the year of follow-up.

Our hypothesis was that physical activity program will be acceptable and may counteract physical and mental decline among older adults hospitalized in COVID-19 unit

COVID-19 infection causes a hypersensitive immune reaction and widespread inflammation through cytokines in various organs of the body, especially the lungs. This cytokine-mediated widespread inflammation can also affect the thyroid gland, causing thyroiditis and impaired thyroid functions. The researchers evaluated thyroid function tests and thyroid autoantibodies in patients hospitalized for COVID-19 infection. Researchers excluded patients on intensive care therapy and patients with known thyroid disease. The researchers examined the relationship of thyroid hormones and thyroid autoantibodies to COVID-19 disease, white blood cells, neutrophil / lymphocyte ratio, c reactive protein, fibrinogen, procalcitonin, ferritin, and D-dimer stages in these patients. Researchers compared changes in thyroid hormones and autoantibodies in people without COVID-19 infection and without thyroid disease.

The COVID-19 Prevention Network (CoVPN) is doing a study to estimate the number of people who have or have had the SARS-CoV-2 virus in different communities in the United States. This study is being done to help determine the best places to perform future research studies that will test new drugs for treatment or prevention of COVID-19.