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Browse 2,921 clinical trials for covid-19. Find studies that match your criteria and connect with research centers.
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Showing 81-100 of 2,921 trials
NCT04725110
Acute treatment of COVID-ARDS with direct topical lung instilled T3 therapy for patients on mechanical ventilation.
NCT06160128
The purpose of this study is to comprehensively describe the temporal and geographic utilization of COVID-19 therapies used for mild to moderate disease during different periods of SARS-CoV-2 variant circulation as well as to compare demographic and clinical characteristics of Veterans who are treated or do not receive these different therapies. The investigators will also perform similar descriptive epidemiology for other respiratory viruses, including RSV and influenza and other infectious diseases. This first phase will critically inform feasibility and direction of the second phase, in which the investigators will use target trial emulation design to study the comparative effectiveness of therapies and vaccines for COVID-19, respiratory viruses, including RSV, and influenza, and other infectious diseases.
NCT07397455
COVHIC003 is a human infection challenge study in which healthy adults aged 18-50 previously vaccinated with an approved COVID-19 vaccine will be administered a SARS-CoV-2 Omicron EG.5.1 variant given by drops in the nose. The aim is to achieve breakthrough upper-respiratory infection in a proportion of volunteers with mild or no illness, providing information on the course of Omicron infection and the immune response in vaccinated people. This study will establish an optimised challenge dose and model that can then be used to evaluate new vaccines and treatments in follow-on trials. Participants will stay in a quarantine unit for approximately 10-12 days, depending on infection status, and will be closely monitored with regular swabs, blood tests and symptom assessments throughout their stay. They will be followed up by the study team for 6 months after being discharged. This study is sponsored by Imperial College London and forms part of the MUSICC project which is led by Imperial College London and co-funded by the European Union's Horizon Europe Programme and the Coalition for Epidemic Preparedness Innovations (CEPI). Quarantine will take place at specialist facilities in Oxford or at the Royal Free Hospital in London.