Clinical trials: Seroprevalence
COVID 19
COVID 19 Seroprevalence Amongst Healthcare Workers in JHAH
Healthcare workers play a critical role in fighting the pandemic, not only by managing the patients' health clinically, but also by implementing adequate measures for infection prevention and control in healthcare facilities.
- Trial name
- NCT04469647
- Testing
- Serology Test
- Where
- Saudi Arabia
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Aramco Healthcare
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
COVID-19 Infection
Immunity Against SARS-CoV2 in Children and Their Parents / COVID-19
The purpose of this study is to provide data on the proportion of seroconverted children and their immune status. It will also provide insight into the number of children currently infected at each time point including healthy…
- Trial name
- PED-COVID (NCT04355533)
- Testing
- serology test, nasopharyngeal swab, rectal swab
- Where
- France
- Volunteers
- 1,056 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
COVID-19, Coronavirus Infections
Humeral Shaft Fractures : Outcomes of Straight Percutaneous Intramedullary Nailing With Dynamic Distal Locking
This study looks at how many healthcare workers at CHSD have developed antibodies against COVID-19 after the second and third waves of the pandemic and following vaccination.
- Conditions
- COVID-19, Coronavirus Infections, Seroprevalence, Vaccination
- Trial name
- NCT06999018
- Where
- France
- Volunteers
- 76 people
- Sponsor
- Centre Hospitalier de Saint-Denis
COVID-19, SARS-CoV-2
Correlative Study on Cancer Patients and Healthcare Professionals Exposed to Infection by Severe Acute Respiratory Syndrome-Corona Virus-2 (SARS-Cov-2), COVID-19 Causative Agent.
Translational, prospective / retrospective, non-profit, non-pharmacological study, with cohort characteristics. The study consists of two parts: the first to study epidemiological aspects of the spread of the disease and the…
- Trial name
- CORSA (NCT04345315)
- Testing
- serological test, Rapid molecular test, Next generation Sequencing (NGS) analysis
- Where
- 2 sites in Italy
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Istituto Romagnolo per lo Studio dei Tumori Dino Amadori IRST S.r.l. IRCCS
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
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
SARS-CoV Infection
SARS-COV-2 Seroprevalence and Seroconversion Among Employees of the Universitair Ziekenhuis Brussel Following mRNA COVID-19 Vaccination
A novel zoonotic coronavirus was discovered in Wuhan (Hubei Province, China) mid-December 2019 and was named severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
- Trial name
- NCT04880174
- Testing
- serological testing
- Where
- Belgium
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Universitair Ziekenhuis Brussel
Arrhythmogenic Right Ventricular Cardiomyopathy
Non-interventional Study of Seroprevalence of Pre-existing Antibodies Against Adenovirus-associated Virus Vector (AAV9) and the Progression of Disease in Patients With Plakophilin 2 (PKP2)-Associated Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC)
This is a multicenter, non-interventional study to observe the natural progression of the disease and to study the prevalence of pre-existing antibodies to AAV9 used for gene therapy in a population of patients with PKP2…
- Trial name
- RIDGE (NCT06311708)
- Where
- 21 sites in United States, France and 4 more
- Volunteers
- 200 people
- Sponsor
- Tenaya Therapeutics
Pertussis
Seroprevalence of Pertussis Among Healthy Children and Adolescents in Kazakhstan
Seroprevalence of pertussis among older children and adolescents in Kazakhstan: A cross sectional study. Justification: to describe the distribution of anti-pertussis toxin (PT) antibodies (IgA and IgG) in a population aged 10-18…
- Trial name
- NCT04779853
- Testing
- Blood samples for pertussis antibody testing
- Where
- Kazakhstan
- Volunteers
- 520 people
- Sponsor
- Scientific and practical center of sanitary and epidemiological expertise and monitoring
COVID-19 Pandemic, Transplantation, Kidney
Seroprevalence of the Anti-SARS-CoV-2 Antibodies (Causing COVID-19) in Kidney Transplant Recipients in Severely Affected Region
Goal of this study is to evaluate the seroprevalence of anti-SARS-CoV-2 antibodies in patients after kidney transplantation who are one of the risk groups for the severe course of the infection and map the progression of the…
- Trial name
- SECOVtx (NCT04874740)
- Testing
- No intervention
- Where
- Czechia
- Volunteers
- 300 people
- Sponsor
- University Hospital Ostrava
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
HIV Infections, Neisseria Gonorrhoeae
Prevalence of Sexually Transmitted Infections (STIs) in HIV-infected Patients
There has been an increase in incidence in sexually transmitted infections in HIV infected patients in the last years. In this study the investigators will prospectively evaluate the prevalence of symptomatic and asymptomatic…
- Conditions
- HIV Infections, Neisseria Gonorrhoeae, Chlamydia Trachomatis, Herpes Simplex
- Trial name
- CTNG (NCT00973466)
- Where
- Switzerland
- Volunteers
- 300 people
- Sponsor
- Insel Gruppe AG, University Hospital Bern
SARS-CoV Infection, Covid19
Study of SARS-CoV2 Virus (COVID-19) Seroprevalence Among Lyon-Bron Military Health Schools Personnel
Emerging in China in December 2019, Covid-19, whose pathogen is SARS-Cov-2, was declared a global pandemic in March 2020. The clinical presentation is highly variable, ranging from asymptomatic forms to acute respiratory distress…
- Trial name
- SeroCovEms (NCT04516928)
- Testing
- Anti-SARS-CoV2 Serology, Questionnaire
- Where
- France
- Volunteers
- 392 people
- Sponsor
- Direction Centrale du Service de Santé des Armées
q Fever
Study on Seroprevalence and Risk Factors of Coxiella Burnetii (Q Fever) in the South of Reunion Island
Emergent and infectious diseases are a public health priority on Reunion Island. Amongst public health threats, the infection due to Coxiella burnetii (Q fever) seems to have appeared on Reunion island in 2007 with two…
- Trial name
- E-Q-RUN (NCT02898402)
- Testing
- blood sample and questionnaire
- Volunteers
- 3,500 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
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
Covid-19
Study of seroPREvalence Vis-à-vis SARS-CoV2 and Correlation With Clinical Forms of COVID-19 in Patients Followed in Pneumology in the Cluster Area of the Grand-Est Region (Strasbourg University Hospital)
seroPREvalence vis-à-vis SARS-CoV2 and correlation with clinical forms of COVID-19 in patients followed in Pulmonology in the cluster area of the Grand-Est region.
- Trial name
- PRESAGE (NCT04528901)
- Where
- France
- Volunteers
- 1,080 people
- Sponsor
- University Hospital, Strasbourg, France
B. Burgdorferi Infection
BOrrelia BUrgdorferi IN Children and Adolescents
The aim of this study is to assess B. burgdorferi antibodies in children and adolescents in north-western Switzerland and neighbouring countries ("Triregio") treated at the University Children's Hospital Basel to define…
- Trial name
- BOBUINCA (NCT05856812)
- Where
- Switzerland
- Volunteers
- 962 people
- Sponsor
- University Children's Hospital Basel
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
Lassa Virus Infection
Seroprevalence and Incidence of Lassa Fever in the Rural Commune of Sibirila, District of Bougouni, Mali
Background: Lassa fever is very similar to other diseases that cause fever, such as malaria and yellow fever. People get Lassa fever from mice. A person can get Lassa fever from mice urine and droppings.
- Trial name
- NCT02311387
- Where
- Mali
- Volunteers
- 601 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)