Clinical trials: Seroprevalence
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
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
SARS-CoV-2 Seroprevalence
ANC COVID-19 Surveillance
The purpose of this observational study is to determine the seroprevalence of SARS-CoV-2 antibodies in the community with pregnant women aged 15-49 years attending first antenatal care as the sentinel population.
- Trial name
- NCT07021807
- Where
- Zambia
- Volunteers
- 9,111 people, healthy volunteers welcome
- Sponsor
- Centre for Infectious Disease Research in Zambia
COVID-19 Respiratory Infection
COVID-19 Seroprevalence in Pregnant Women and Blood Donors
The study aims to measure the SARS-CoV-2 seroprevalence (ie. the proportion of people with antibodies against the virus) in pregnant women and blood donors in an administrative area of France, and to determine whether these…
- Trial name
- CoVERED (NCT04893057)
- Where
- France
- Volunteers
- 797 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de Besancon
SARS-CoV Infection, Seroprevalence
COVID-19 Sero-prevalence Health Care Workers Kinshasa
This is a cohort study, in which the investigators will follow-up 650 health care workers (HCW) and a selection of their households (of COVID positive and COVID negative HCW) at baseline and in three follow-up surveys, with 4 to…
- Trial name
- PRESTACOV (NCT04699058)
- Testing
- COVID-antibody test
- Where
- Democratic Republic of the Congo
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
HIV
MMR Vaccination Among HIV-infected Adults
This is a prevalence study of protective antibodies to measles, mumps, and rubella (MMR) in HIV-infected adults and HIV-uninfected controls.
- Trial name
- NCT02724852
- Testing
- 0.5 ml of MMR vaccine
- Where
- Thailand
- Volunteers
- 632 people, healthy volunteers welcome
- Sponsor
- Chiang Mai University
Covid19
Sustained Immunity to COVID-19 as Measured by SARS-CoV-2 Serology Assays
The primary objective is to assess the ability of COVID-19 IgG and IgM assays to detect an immune response in COVID-19 patients in the Henry Ford Health System (HFHS), both during hospitalization and over the following 12 months.
- Trial name
- NCT04562285
- Testing
- Serologic immunoassays to SARS-CoV-2 antibodies
- Where
- United States
- Volunteers
- 829 people, healthy volunteers welcome
- Sponsor
- Henry Ford Health System
Coronavirus
COVID 19 : Seroprevalence Study of Anti SRAS-CoV-2 Antibodies in GHT Employees in Haute Bretagne (AntiCoV-HB)
Since the start of this epidemic, numerous clinical and fundamental studies have been conducted to best adapt the individual management of COVID-19 cases [1-6].
- Trial name
- AntiCoV-HB (NCT04416308)
- Testing
- NG test, Blood test, Self-questionnary
- Where
- 9 sites in France
- Volunteers
- 9,453 people, healthy volunteers welcome
- Sponsor
- Rennes University Hospital
Covid19
Face Masks to Reduce COVID-19 in Bangladesh
The primary goal of the village-level intervention is to assess whether mask-wearing reduces community-level COVID-19 seroconversion. The individual experiment assess whether masks protect against COVID-19 seroconversion.
- Trial name
- NCT04630054
- Testing
- Face mask, Face mask awareness
- Where
- Bangladesh
- Volunteers
- 350,000 people, healthy volunteers welcome
- Sponsor
- Yale University
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
HIV Infections, HIV Seronegativity
HIV Prevention Preparedness Study
The purpose of this study is to provide researchers with information that will help them prepare for a future study to test the efficacy of two anti-HIV vaginal gels.
- Trial name
- NCT00048282
- Where
- 10 sites in South Africa, Tanzania and 1 more
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
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
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
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
Healthy, Healthy Adult
Seroprevalence and Vaccination Rate of Hepatitis B Virus and Varicella-zoster Virus Among Medical Students Under Immunizing Program
This study is a cross-sectional study. The study aims to determine the levels of immunity against hepatitis B virus and varicella-zoster virus in medical students.
- Trial name
- NCT06901362
- Where
- Thailand
- Volunteers
- 401 people, healthy volunteers welcome
- Sponsor
- Thammasat University
Dengue, Chikungunya
Risk Assessment of Community Spread of Multiple Endemic Infectious Diseases in a One Health Perspective
RACSMEI addresses the high burden of infectious diseases in low- and middle-income countries, including Cambodia, where limited surveillance and laboratory capacity often obscure etiologies and transmission dynamics.
- Conditions
- Dengue, Chikungunya, Zika Virus Infection, Japanese Encephalitis
- Trial name
- RACSMEI (NCT07358910)
- Where
- Cambodia
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur du Cambodge
Hepatitis A Vaccine
This Study Will Evaluate the Persistence of Hepatitis A Antibodies, 8 Years and 10 Years Later, in Children Who Had Received Havrix at Selected Health Centres of Panama
The purpose of this study is to evaluate the persistence of hepatitis A antibodies, approximately 8 years and 10 years post vaccination with the complete series of Havrix (2 doses) and the partial series completion (1 dose).
- Trial name
- NCT02712359
- Testing
- Blood sample collection
- Where
- 3 sites in Panama
- Volunteers
- 1,201 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Arbovirus Infections, Respiratory Infection Virus
Cohort Study of Arbovirus and Other Emerging Virus Infections in Fiji: AEVI-Fiji Cohort.
Background: Fiji, an archipelago in the South Pacific comprising 332 islands distributed among 4 health administrative divisions (Central, Western, Eastern, Northern), is particularly vulnerable to the (re-)emergence of…
- Trial name
- AEVI-Fiji (NCT07229677)
- Where
- Fiji
- Volunteers
- 910 people, healthy volunteers welcome
- Sponsor
- Fiji National University
Hepatitis A, Viral Hepatitis Vaccines
Study to Assess Seroprevalence of Hepatitis A, Hepatitis B and Bordetella Pertussis in Mexico
This study will assess the seroprevalence of hepatitis A virus (HAV), hepatitis B virus (HBV) and Bordetella pertussis (B. pertussis) in adolescents and young adults in Mexico.
- Trial name
- NCT02112890
- Testing
- Data collection
- Where
- Mexico
- Volunteers
- 1,603 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
HIV, HIV Infections
Effect of Valacyclovir in the Reduction of HSV-2 Recurrence and Shedding
The purpose of the study is to determine how common herpes is among persons with HIV who do not know they have it and if valacyclovir reduces outbreaks of herpes, the amount of HIV in the blood, and the amount of HSV in bodily…
- Trial name
- NCT00803543
- Testing
- Valacyclovir
- Where
- United States
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham