Active clinical trials for "Coronavirus Infections"

The present study is a prospective phase IV study. All participants will receive the anti-Coronavirus Disease 2019 (COVID-19) Vaccine (messenger Ribonucleic acid-based vaccine, BNT162b2 or Comirnaty®, commercialized by Pfizer-BioNTech) being authorized in the European Union since December 2020. The vaccine is administered intramuscularly after dilution as a series of two doses at least 21 days apart.

The study is a randomized, double-blind, placebo-controlled, dose escalation, multi-center clinical trial (RCT) of SPI-1005 in adult subjects with positive PCR test for novel SARS-CoV-2 (nCoV2) and severe symptoms of COVID-19 disease.

This Phase 2/3 trial evaluates four treatment strategies for non-critically ill hospitalized participants (not requiring ICU admission and/or mechanical ventilation) with SARS CoV-2 infection, in which participants will receive NA-831 or Atazanavir with or without Dexamethasone.

The purpose of this clinical trial is to learn about the safety, extent of the side effects, and immune responses of the study vaccine (called variant-adapted BNT162b2 RNA-based vaccine) in healthy children. The trial is divided into 5 individual studies or substudies based on age group and prior history of COVID-19 vaccinations. All participants in each of the 5 sub-studies will receive study vaccine as a shot depending on what group they are in. Substudy A design: Phase 1 includes participants 6 months through less than 4 years 3 months of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naïve) and will receive 3 doses of study vaccine as their initial series, followed by a fourth dose of study vaccine. Phase 2/3 includes participants 6 months through less than 5 years of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naive) and will receive 1, 2, or 3 doses of study vaccine, depending on what group they are in. Substudy B design: includes participants 6 months through less than 5 years of age who have either received 2 or 3 prior doses of BNT162b2 and will receive study vaccine as their third or fourth dose. Substudy C design: Phase 1 includes participants 6 months through less than 5 years of age who have received 3 prior doses of BNT162b2 and will receive study vaccine as their fourth dose. Substudy D design: includes participants 5 through less than12 years of age who have received 2 or 3 prior doses of BNT162b2 and will receive study vaccine as their third or fourth dose. Substudy E design: includes participants 2 through less than 12 years of age who have not received a previous coronavirus vaccination (COVID-19 vaccine naive) and will receive a single dose of study vaccine.

This is a Phase II interventional study testing whether treatment with hydroxychloroquine, Vitamin C, Vitamin D, and Zinc can prevent symptoms of COVID-19

This clinical trial adopts a randomized, double-blind and placebo-controlled design. A total of 16000 participants are planned to be enrolled, of which, Cohort 1: 15000 participants vaccinated with ≥2 doses of inactivated COVID-19 vaccine for ≥6 months will be randomly administered at ratio of 1:1:1 with 1 dose of LIBP-Rec-Vaccine, BIBP-Rec-Vaccine or placebo intramuscularly to the deltoid muscle of upper arm. Cohort 2: 1000 participants vaccinated with ≥2 doses of mRNA COVID-19 vaccine for ≥6 months will be randomly administered at ratio of 1:1 with 1 dose of LIBP-Rec-Vaccine or BIBP-Rec-Vaccine intramuscularly to the deltoid muscle of upper arm.

This is a prospective observational cohort study that will define the prevalence and incidence of CA-SARS-Cov2 infection using serological and PCR tests in a group of subjects during deconfinement. The team wishes to include approximately 1000 subjects in this study. The health crisis through containment has also created unprecedented environmental conditions with the very clear decrease in economic activities and a consequent decrease in exposure to the main air pollutants. The aim is therefore to carry out a case-control study in which each subject will be his or her own control in unexposed condition (to PM2.5, PM10, NO...) then exposed (after the recovery of economic activity and the usual levels of air pollutants) and to measure the impact of these pollutants on the immune system and epigenetic markers taking into account seasonality. The occurrence of infectious, cardiovascular, allergic and autoimmune events will then be measured according to the immunological profiles measured at inclusion.

This proposal seeks to enhance uptake and completion of COVID-19 vaccination among African American and Latinx public housing residents in South Los Angeles. Given the multiple disparities experienced by public housing residents, the investigators will utilize a theoretically-based, multidisciplinary and culturally tailored intervention to provide education at multiple levels and implement innovate strategies to engage this population in the uptake of COVID-19 vaccination.

The objective of the study is to evaluate the efficacy of helmet NIV in reducing the duration of invasive mechanical ventilation in order to minimize ventilator needs during the COVID-19 pandemic.

Investigational medications adjunct to clinical standard of care treatment will be assessed to evaluate safety and effectiveness as an anti-COVID-19 treatment. All hospitalized persons with moderate to severe COVID-19 disease that meet eligibility criteria will be offered participation.