Clinical trials: Seroprevalence
Covid19
Seroprevalence of IgG Antibodies to SARS-CoV-2 (COVID-19) in Primary Health Care Workers and Their Household Contacts
Many uncertainties remain regarding the epidemiological and clinical characteristics of COVID-19, including the number of people exposed to the disease, the persistence of the humoral response and its associated neutralisation…
- Trial name
- COVID-SeroPRIM (NCT04808986)
- Testing
- Serological test for the detection of IgG anti-SARS-CoV-2
- Where
- France
- Volunteers
- 2,817 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Viral Hepatitis Vaccines, Hepatitis A
Seroprevalence Study of Hepatitis A, Varicella-Zoster, Cytomegalovirus, Herpes Simplex and Bordetella Pertussis
The purpose of this study is to determine the seroprevalence of Hepatitis A Virus (HAV), Varicella-Zoster virus (VZV), Cytomegalovirus (CMV), Herpes Simplex (HSV) and Bordetella pertussis (BP)infections in Mexico.
- Conditions
- Viral Hepatitis Vaccines, Hepatitis A, Cytomegalovirus, Varicella-Zoster Virus
- Trial name
- NCT01160081
- Testing
- Serum sample
- Where
- Mexico
- Volunteers
- 3,658 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Toxoplasmosis in Neuropsychiatric Disorders
Toxoplasma Gondii Seroprevalence Among Children With Some Neuropsychiatric Disorders
Toxoplasma gondii is recognized as being involved in the etiology of various psychotic disorders including epilepsy and ADHD (Markovitz et al.,2015).
- Trial name
- NCT06980298
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Sohag University
Sickle Cell Disease
Severe Acute Respiratory Syndrome CoV 2 COVID-19 Survey and Vaccination Coverage in the Sickle Cell Population in Ile-De-France
The objective of this study is to determine the seroprevalence of severe acute respiratory syndrome-CoV-2 in unvaccinated sickle cell patients living in an area with high viral circulation and at risk of high viral transmission…
- Trial name
- COVIDO-DREP (NCT05153044)
- Testing
- severe acute respiratory syndrome CoV-2 serology
- Volunteers
- 880 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
SARS-CoV2
Study of Seroprevalence of Anti-SARS-CoV2 Among Children of Hospital Workers in AP-HP
The purpose of this study is to define seroprevalence of anti-SARS-CoV2 among children of Hospital Workers in APHP, particularly exposed population, according to parents' SARS-CoV2 serological status.
- Trial name
- FamilyPEDCOVID (NCT04442087)
- Testing
- Serology SARS-CoV2, Data collection
- Where
- France
- Volunteers
- 563 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
COVID, Corona Virus Infection
Seroprevalence of SARS-Cov-2 Antibodies in Children
It is unknown what proportion of healthy children have been exposed to SARS-Cov-2 and how many have antibodies. The aim of this study is to follow a cohort of healthy children over six months and measure their antibodies to…
- Conditions
- COVID, Corona Virus Infection, Multisystem Inflammatory Syndrome in Children
- Trial name
- NCT04347408
- Testing
- Covid-19 Antibody testing (IgG and IgM), Blood Storage
- Where
- 5 sites in United Kingdom
- Volunteers
- 1,100 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Chikungunya Virus Infection
Assessment of Chikungunya Virus Seroprevalence Before VLA1553 Vaccination in the Municipalities Selected for Participation in the VLA1553 Pilot Vaccination Strategy in Brazil
This is a cross-sectional serosurvey using household cluster sampling conducted before the VLA1553 pilot vaccination strategy will be implemented in about 10 municipalities in Brazil.
- Trial name
- NCT07163845
- Testing
- Live-attenuated CHIKV vaccine VLA1553
- Where
- 4 sites in Brazil
- Volunteers
- 5,354 people, healthy volunteers welcome
- Sponsor
- Valneva Austria GmbH
Covid19
Seroprevalence of COVID-19
Coronavirus disease pandemic has been started in late 2019. Since this date, the number of cases has been increased reaching 32.7 million cases worldwide in 27 September, 2020. .
- Trial name
- cov prevalence (NCT04941053)
- Testing
- laboratory test
- Where
- Egypt
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Sohag University
Severe Acute Respiratory Syndrome Coronavirus 2, SARS-CoV 2
Antibody Seroprevalence and Rate of Asymptomatic Infections With SARS-CoV-2 in Austrian Hospital Personnel.
Context: On March 11, the World Health Organization (WHO) announced the current corona virus disease 2019 (COVID-19) outbreak as a pandemic.
- Conditions
- Severe Acute Respiratory Syndrome Coronavirus 2, SARS-CoV 2, Coronavirus Infection, Covid19
- Trial name
- NCT04354779
- Testing
- a specifically designed self-administered questionnaire
- Where
- Austria
- Volunteers
- 3,301 people, healthy volunteers welcome
- Sponsor
- AUVA
Coronavirus Infection, Prevalence
Epidemiological Study of Seroprevalence Against the SARS-CoV-2 Virus (COVID-19)
In order to inform the public decision on the containment strategy and knowledge of the intensity of the epidemic during post-containment, estimates of the share of the population infected with the SARS-CoV-2 virus responsible…
- Trial name
- COVAL-NANCY (NCT04448769)
- Testing
- Anti-SARS-CoV-2 IgT seropositivity
- Where
- France
- Volunteers
- 2,006 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Hepatitis B, Immune Response
Seroprevalence of Hepatitis B and Immune Response to Hepatitis B Vaccination in Chinese College Students
At present, children less than 15 y of age have been regarded as a key group for hepatitis B immunization in China. However, there is not yet special immunization strategy for population above 15 y of age.
- Conditions
- Hepatitis B, Immune Response, Seroprevalence
- Trial name
- NCT01861613
- Testing
- HBV vaccine (Engerix-B, recombinant hepatitis B surface antigen, 20µg/mL/vial, GlaxoSmithKline, Belgium)
- Where
- China
- Volunteers
- 2,040 people, healthy volunteers welcome
- Sponsor
- Hui Zhuang
SARS-CoV 2, COVID-19
COVID-19: Longitudinal Study of Seroprevalence of SARS-CoV-2 Antibodies and Development of Immunity in School Children
There is a lack of knowledge about how many children are infected with SARS-CoV-2, how often they are asymptomatic, and how long the immunity persists.
- Trial name
- CiaoCorona (NCT04448717)
- Testing
- COVID-19 Antibody testing
- Where
- Switzerland
- Volunteers
- 4,250 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Coronavirus Infection, Severe Acute Respiratory Syndrome
COVID-19 Seroprevalence Study in French Guiana
Serological surveys measuring anti-severe acute respiratory syndrome coronavirus 2 (anti-SARS-CoV-2) antibodies in the population to assess the extent of the infection and the COVID-19 immunity of the population in French Guiana.
- Conditions
- Coronavirus Infection, Severe Acute Respiratory Syndrome, SARS-CoV Infection, Covid19
- Trial name
- EPI-COVID-POP (NCT04490850)
- Testing
- Blood sample
- Where
- 5 sites in French Guiana
- Volunteers
- 3,541 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Hepatitis A
What is the Anti-HAV Seroprevalence of Travelers >60 Years or Having Lived in a Tropical Country for >5 Years
Study to determine the proportion of travelers over the age of 60 years and travelers having lived in a tropical country for more than 5 years with anti-HAV antibodies. This will be done through a blood test.
- Trial name
- AHAV (NCT04638335)
- Testing
- Blood test
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
Coronavirus, Coronavirus Infection
COVID-19 Infection and Transmission in Exposed, Confined and Community-based Infants
According to epidemiological models, the seroprevalence of SARS-CoV-2 infection in Île-de-France as of 11 May was between 10 and 15%.
- Conditions
- Coronavirus, Coronavirus Infection, Covid19, Sars-CoV2
- Trial name
- COVIDOCRECHE (NCT04413968)
- Testing
- Rapid detection test, Nasopharyngeal swab, Stool collection
- Where
- 11 sites in France
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Dengue Fever, Fever
Study of Febrile Illness for Dengue-Endemic Areas in Latin America
The purpose of this study is to detect acute febrile episodes and dengue infection in five Latin American countries to assess dengue seroprevalence.
- Trial name
- NCT01293331
- Where
- 18 sites in Brazil, Colombia and 2 more
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Sanofi
Hepatitis C, Pregnancy
Screening for Hepatitis C During Pregnancy at a Toronto Inner City Prenatal Clinic
The first part of this study will investigate the incidence of Hepatitis C in pregnant women attending an inner city health clinic in downtown Toronto.
- Trial name
- NCT00348660
- Where
- Canada
- Volunteers
- 653 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Japanese Encephalitis, Vaccine Preventable Disease
Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province
This study is to evaluate the seroprevalence of neutralizing antibodies against Japanese encephalitis (JE) virus in children aged 6 years who were previously administered with 5 different immunization strategies by JE attenuated…
- Conditions
- Japanese Encephalitis, Vaccine Preventable Disease, Vaccine Reaction
- Trial name
- NCT04817917
- Testing
- Japanese Encephalitis Vaccine (Vero Cell), Inactivated;, No prospective interventions
- Where
- 3 sites in China
- Volunteers
- 712 people, healthy volunteers welcome
- Sponsor
- Zhejiang Provincial Center for Disease Control and Prevention
History of Covid-19, Seroprevalence
Immune Status SARS-CoV-2 in a Sample of a Tertiary Eye Health Centre
A sequential combination of different antibodies test against SARS-CoV-2 is evaluated. The protocol included a rapid test and several ELISA tests within a defined cohort of healthcare workers.
- Trial name
- CovidImmunEye (NCT04446338)
- Testing
- Antibody Test
- Where
- Germany
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Cytomegalovirus Infections
CMV Infection in Adolescent Males
The purpose of this study is to find out more about cytomegalovirus (CMV) and how it is spread between people. One thousand adolescent males ages 12-17 years will participate in this study.
- Trial name
- NCT00302029
- Where
- 3 sites in United States
- Volunteers
- 411 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)