Clinical trials: Seroprevalence
Hepatitis B
Seroprevalence of Hepatitis B Infection and Effect of Booster Response Amongst Taiwanese Young Adults
The aim of this study is to observe and evaluate initiate serum anti-HBs titers during entrance health examination among undergraduate freshmen in a university who showed a complete 4-dose HBV vaccination in infancy and whose…
- Trial name
- NCT00702663
- Where
- Taiwan
- Volunteers
- 1,800 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Leptospirosis, Hepatitis E Virus Infection
Seroprevalence of Leptospirosis in Val Müstair, Switzerland
Human leptospirosis is a zoonotic disease caused by bacteria of the genus Leptospira. Due to its frequent inapparent course or mild severity with unspecific symptoms and limited availability of diagnostic laboratories the…
- Conditions
- Leptospirosis, Hepatitis E Virus Infection, Tularemia
- Trial name
- NCT05300425
- Testing
- Blood sample collection, Data collection
- Where
- 2 sites in Switzerland
- Volunteers
- 258 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
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
Hemophilia A
A Study to Evaluate Seroprevalence and Seroconversion of Antibodies to Adeno-Associated Virus (AAV) in Patients With Hemophilia A
To quantify the seroprevalence of antibodies to AAV5, AAV6, and AAV8 and the seroconversion rate over varying follow-up intervals in subjects with hemophilia A
- Trial name
- SAAVY (NCT04560933)
- Testing
- Blood sample collection
- Where
- United States
- Volunteers
- 186 people
- Sponsor
- BioMarin Pharmaceutical
Cholera
Impact Study of Cholera Vaccination in Endemic Areas - Seroprevalence
This project aims to fill this essential knowledge gap by assessing the impact of oral cholera vaccine mass campaigns in 2 sites (urban and rural) in DRC, described in this protocol.
- Trial name
- NCT05829772
- Where
- 2 sites in Democratic Republic of the Congo
- Volunteers
- 7,000 people, healthy volunteers welcome
- Sponsor
- Epicentre
Neuromuscular Deficits, Genetic Disorder
Multicenter Epidemiological Study for the Evaluation of the Seroprevalence of Total and Neutralizing Antibodies Against Adenoassociated Virus Serotypes Used in Gene Therapy in Patients With Neuromuscular Diseases of Genetic Origin.
This study aims to assess the overall seroprevalence of neutralizing antibodies against different AAVs potentially used in gene therapy in patients with genetic neuromuscular diseases.
- Trial name
- SeroDysMyo (NCT07633951)
- Testing
- Dosage of AAV neutralizing antibodies
- Where
- France
- Volunteers
- 450 people
- Sponsor
- Genethon
Cystic Fibrosis
COVID-19 Antibody Responses In Cystic Fibrosis
Coronavirus disease 2019 (COVID-19) which is caused by the virus SARS-CoV-2 has resulted in an ongoing global pandemic. It is unclear whether the relatively low number of reported cases of COVID-19 in people with CF (pwCF) is due…
- Trial name
- CAR-CF (NCT04904445)
- Where
- Netherlands
- Volunteers
- 40 people
- Sponsor
- Erasmus Medical Center
COVID-19
Seroprevalence of Infection-induced SARS-CoV-2 Antibodies (COVID-19) in Children
It is unknown what proportion of children have been exposed to SARS-CoV-2 and how many have antibodies among children seeking medical care for non-Covid-19 related conditions.
- Trial name
- NCT05358626
- Testing
- SARS-CoV-2 IgG Antibody testing
- Where
- Vietnam
- Volunteers
- 4,032 people
- Sponsor
- National Children's Hospital, Vietnam
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
COVID-19, SARS-CoV Infection
Seroprevalence Study of CoV-2-SARS (COVID-19) Infection in Patients With Chronic Inflammatory Rheumatic Diseases
The prevalence of SARS-CoV-2 infection in chronic inflammatory rheumatic diseases has not yet been widely reported, and has been evaluated only in symptomatic patient samples.
- Conditions
- COVID-19, SARS-CoV Infection, Rheumatoid Arthritis, Spondyloarthritis
- Trial name
- COVID-RIC1 (NCT04655612)
- Where
- France
- Volunteers
- 5,000 people
- Sponsor
- University Hospital, Montpellier
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
SARS-CoV-2, COVID-19
COVID-19 Among Healthcare Workers in Belgian Hospitals
Due to the situation this study, originally planted until September 2020, was extended with 7 months until April 2021. This extension was approved by the ethical committee University hospital Ghent, Belgium.
- Trial name
- COVHECBEHO (NCT04373889)
- Where
- Belgium
- Volunteers
- 850 people, healthy volunteers welcome
- Sponsor
- Sciensano
Rickettsiae Infections
Rickettsiae in Myanmar
Rickettsial infections have been found to be the second most common cause of non-malarial febrile illness in Southeast Asia, just after dengue, and are largely neglected treatable causes of morbidity and mortality.
- Trial name
- Rickettsiae (NCT03847870)
- Testing
- MORU in-house ELISA test followed by IFA if positive
- Where
- Burma
- Volunteers
- 700 people, healthy volunteers welcome
- Sponsor
- Myanmar Oxford Clinical Research Unit
COVID-19
COVID-19 Seroprevalence Among Healthcare Workers of a Large COVID-19 Hospital in Rome
Healthcare workers are at the forefront against COVID-19, worldwide. Since Fondazione Policlinico Universitario A. Gemelli (FPG) IRCCS was enlisted as a COVID-19 hospital, the healthcare workers deployed to COVID-19 wards were…
- Trial name
- NCT05766111
- Where
- Italy
- Volunteers
- 4,888 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
SARS-CoV 2, COVID-19
Seroprevalence of SARS CoV 2 Antibodies in Previously Undiagnosed Healthcare Workers
The purpose of this study is to identify healthcare workers with SARS CoV 2 antibodies who have not been previously diagnosed and are presumed COVID-19 negative, then determine the level of immunity in this population which could…
- Trial name
- NCT04383587
- Testing
- Serologic testing
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
HIV/AIDS
Developing a Patient Navigation Intervention for PrEP Continuum of Care Among Young Latino MSM (PrEParate)
This study aims to help young Latino gay and bisexual men access sexual health information, including PrEP. Participants will be randomly assigned to either the patient navigation or the usual care condition and followed for 6…
- Trial name
- NCT04048382
- Testing
- Patient Navigation, Usual Care
- Where
- United States
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- San Diego State University
COVID-19
Assessment of SARS-CoV-2 Seroprevalence in Detention
"Background France counted on January 1, 2020, 70,651 people detained, for 61,080 places. Overcrowding in detention is considered as risk factor for infectious diseases transmission, such as respiratory infections.
- Trial name
- COVIDET (NCT04516512)
- Testing
- Blood draw
- Where
- France
- Volunteers
- 1,044 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
SARS-COV2 Infection
COVID-19 Infection at Samusocial in Paris: Descriptive and Serological Survey
Study of COVID-19 seroprevalence in precarious population living in shelters of Samusocial de Paris and in staff working in these centers during COVID-19 epidemic.
- Trial name
- NCT04470648
- Testing
- blood test for SARS-COV2 serology
- Where
- 3 sites in France
- Volunteers
- 179 people, healthy volunteers welcome
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Coronavirus Infections
Seroprevalence of MERS-CoV IgG in Healthcare Workers
The investigators aim to do serosurvey of healthcare-personnel who had participated in treatment of confirmed patients of Middle-East respiratory syndrome.
- Trial name
- NCT02497885
- Where
- South Korea
- Volunteers
- 737 people, healthy volunteers welcome
- Sponsor
- Ewha Womans University Mokdong Hospital
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