Clinical trials: COVID-19; Immunity
SARS-CoV Infection, Covid19
A Study to Evaluate the Efficacy, Immune Response, and Safety of a COVID-19 Vaccine in Adults ≥ 18 Years With a Pediatric Expansion in Adolescents (12 to<18 Years) at Risk for SARS-CoV-2
This is a phase 3, randomized, observer-blinded, placebo-controlled study to evaluate the efficacy, safety, and immunogenicity of SARS-CoV-2 rS with Matrix-M1 adjuvant in adult participants and adolescent participants.
- Trial name
- NCT04611802
- Testing
- SARS-CoV-2 rS/Matrix-M1 Adjuvant (Initial Vaccination Period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Crossover Vaccination period), SARS-CoV-2 rS/Matrix-M1 Adjuvant (Booster Vaccination)
- Where
- 154 sites in United States, Mexico and 1 more
- Volunteers
- 33,000 people, healthy volunteers welcome
- Sponsor
- Novavax
Treat and Prevent Covid-19 Infection
Safety and Immunity of Covid-19 aAPC Vaccine
In December 2019, viral pneumonia (Covid-19) caused by a novel beta-coronavirus (SARS-CoV-2) broke out in Wuhan, China. Some patients rapidly progressed and suffered severe acute respiratory failure and died, making it imperative…
- Trial name
- NCT04299724
- Testing
- Pathogen-specific aAPC
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Shenzhen Geno-Immune Medical Institute
COVID-19
Plasma Immunity of Mild SARS-CoV-2 Omicron and Delta Pandemic in Thailand
The investigators assessed the effect of treatment for COVID and immunity of the volunteers who admitted to the home isolation.
- Trial name
- NCT05328479
- Where
- Thailand
- Volunteers
- 5,181 people, healthy volunteers welcome
- Sponsor
- Mahidol University
SARS-CoV-2, COVID-19
Vienna Versus SARS-CoV-2 Virus Study
This study examines the seroprevalence against SARS-CoV-2 in health care workers and patients at the Vienna General Hospital.
- Trial name
- VIVI (NCT04407429)
- Testing
- Laboratory Analyses
- Where
- Austria
- Volunteers
- 12,000 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Respiratory Tract Infections (RTI), Mucosal Immunity
To Evaluate Mucosal and Systematic Immune Response to Acute Respiratory Tract Infections of South African Children
The goal of this observational study is to answer a few questions about respiratory tract infections in South African children: 1.
- Trial name
- Muco-Kids (NCT06902194)
- Where
- 2 sites in South Africa
- Volunteers
- 250 people
- Sponsor
- Desmond Tutu TB Centre
SARS-CoV-2 Infection
Mucosal Immunity Against SARS-CoV-2 Infection in COVID-19 Patients
In this study nasal fluid (mucosal lining fluid), nose and throat swabs and blood was collected from patients with a confirmed SARS-CoV-2 infection who remained in home isolation, as well as from their household contacts who…
- Trial name
- MuCo (NCT04590352)
- Testing
- nasopharyngeal and throat swab, collection of mucosal lining fluid, blood collection via fingerprick
- Where
- Netherlands
- Volunteers
- 187 people
- Sponsor
- Radboud University Medical Center
COVID-19
Assessment of Incidence of SARS-CoV-2 Infection and COVID-19 in Brazil (AVISA)
This is an observational study, meaning that no interventions is tested, to determine incidence of SARS-CoV-2 infection and COVID-19 in different clinical sites in Brazil in several age groups.
- Trial name
- AVISA (NCT04355338)
- Where
- 11 sites in Brazil
- Volunteers
- 3,520 people, healthy volunteers welcome
- Sponsor
- Butantan Institute
SARS-CoV-2 Viral Kinetics and Host Immune Responses
Understanding COVID-19
This single-center prospective observational study will examine immune responses to to SARS-CoV-2 and how they correlate with its virological characteristics and clinical manifestations in infected patients.
- Trial name
- NCT04329546
- Testing
- NA (no intervention)
- Where
- Switzerland
- Volunteers
- 86 people
- Sponsor
- University Hospital, Geneva
Influenza, COVID-19
Respiratory Virus Sampling and Repository
Background: Respiratory viruses, like the flu or COVID-19, cause significant illness and death worldwide. Researchers want to collect samples from people with respiratory virus infections.
- Trial name
- NCT05266222
- Where
- 2 sites in United States
- Volunteers
- 20,000 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
COVID-19
COVID-19 Immunity and Changes Over Time
The risk of household spread of SARS-CoV-2 hinges on both the transmission dynamics of the virus circulating in the community as well as the seroprotection pattern of constituent members, which can be attributed to vaccination…
- Trial name
- NCT05271669
- Where
- China
- Volunteers
- 1,350 people
- Sponsor
- Chinese University of Hong Kong
Covid19, Breastfeeding
Gestational Immunity for Transfer
This is a study prospective cohort study at an urban academic centre, with two parts: 1. Health outcomes, and maternally transferred antibodies, in babies born to mothers who had antenatal COVID-19 and convalesced before…
- Conditions
- Covid19, Breastfeeding, Vaccine Exposure Via Breast Milk
- Trial name
- GIFT (NCT04802278)
- Testing
- COVID-19 vaccine
- Where
- Singapore
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National University Hospital, Singapore
Covid19 Virus Infection
Medical Herbs Inhibit Inflammation Directing T Cells to Kill the COVID-19 Virus (COVID)
The human immune system is designed to protect individuals from external sources of infection and internal cell mutation. It works effectively and efficiently until inflammation disturbs its functioning.
- Trial name
- COVID (NCT04790240)
- Testing
- Inflammation (I), Inflammation (II), Inflammation (III)
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- All Natural Medicine Clinic, LLC
COVID-19
Host-pathogen Interactions, Immune Response, and Clinical Prognosis at COVID-19 - the CoVUm Trial
The project aims to clarify how immunity to SARS-CoV2 develops in humans and to investigate the possibility of finding patients with a particularly effective, neutralizing antibody response for future treatment.
- Trial name
- CoVUm (NCT04368013)
- Testing
- Extended sampling and procedures
- Where
- 4 sites in Sweden
- Volunteers
- 550 people
- Sponsor
- Johan Normark
Coronavirus
Understanding Immunity to SARS-CoV-2, the Coronavirus Causing COVID-19
The purpose of this study is to test over time immunity to SARS-CoV-2, a recently identified coronavirus responsible for the 2019 world-wide pneumonia outbreak known as COVID-19.
- Trial name
- NCT04373148
- Testing
- There is no intervention
- Where
- 2 sites in United States
- Volunteers
- 316 people, healthy volunteers welcome
- Sponsor
- Stanford University
COVID-19
COVID Booster in Pregnancy and Lactation
This is a prospective longitudinal cohort study to evaluate the impact of COVID-19 vaccination and booster on maternal and infant immunity against COVID-19 variants over time.
- Trial name
- NCT05543993
- Testing
- Bivalent COVID-19 Booster
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Thomas Jefferson University
Hypohidrotic Ectodermal Dysplasia
Pediatric SARS-CoV-2 Infections: Course of COVID-19, Immune Responses, Complications and Long-term Consequences
Longitudinal study of 56 households with at least one member who had COVID-19 to compare the course of illness, immune responses, and long-term consequences of SARS-CoV-2 infection in HED patients with those of control subjects…
- Trial name
- PEDCOVID-19 (NCT04741412)
- Where
- Germany
- Volunteers
- 231 people
- Sponsor
- University Hospital Erlangen
Coronavirus Disease 2019
Long-term COVID-19 Immune Response in a Vulnerable Neighbourhood in Argentina
Between June 10t h and July 1st, a cross-sectional design study in an Argentina slum, showed a prevalence based on immunoglobuling G-class (IgG) antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) of…
- Trial name
- NCT04673279
- Testing
- serology
- Where
- Argentina
- Volunteers
- 189 people
- Sponsor
- Hospital Italiano de Buenos Aires
COVID-19
Role of HLA Genes and Innate Immunity in the Phenotypic Variability of COVID-19
Case-control, prospective retrospective association study of patients infected with SARS-CoV2 and cured by COVID19. Recruited patients were divided into two cohorts (cases: patients with respiratory failure that required…
- Trial name
- 3490 (NCT05711836)
- Testing
- HLA-genotyping
- Where
- Italy
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
COVID, SARS-CoV 2
COVID-19: Herd Immunity Study in the Czech Republic
The aim of the SARS-CoV-2-CZ-Preval study is to quantify the prevalence of individuals with a history of SARS-CoV-2 coronavirus infection in the Czech population, except for those diagnosed with COVID-19 by methods based on…
- Trial name
- SARSCoV2CZPrev (NCT04401085)
- Testing
- SARS-CoV-2 diagnostic rapid test, Quantitative analysis of SARS-CoV-2 antibodies
- Where
- Czechia
- Volunteers
- 27,000 people, healthy volunteers welcome
- Sponsor
- Institute of Health Information and Statistics of the Czech Republic
COVID-19 Infection
Send-In Sample Collection for Comprehensive Analyses of Innate and Adaptive Immune Responses During Acute COVID-19 and Convalescence
Background: Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) causes coronavirus disease 2019 (COVID-19). The global outbreak of COVID-19 is a major public health problem. COVID-19 causes a wide range of symptoms.
- Trial name
- NCT04582903
- Where
- United States
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)