Clinical trials: Seroprevalence
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
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
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
Pompe Disease, Pompe Disease (Late-onset)
Neutralizing Antibody Seroprevalence Study With a Retrospective Component in Participants With Late-Onset Pompe Disease
The purpose of this study is to obtain information pertaining to the occurrence of antibodies to investigational SPK-3006 capsid and GAA, GAA activity and GAA antigen levels in the usual care setting of Late-Onset Pompe Disease…
- Conditions
- Pompe Disease, Pompe Disease (Late-onset), Glycogen Storage Disease Type 2, LOPD
- Trial name
- NCT03893240
- Testing
- Neutralizing Antibody to SPK-3006 capsid
- Where
- 18 sites in United States, France and 4 more
- Volunteers
- 61 people
- Sponsor
- Spark Therapeutics, Inc.
Ornithine Transcarbamylase Deficiency, Wilson Disease
Adeno-Associated Virus (AAV) Antibody Study in Subjects OTC Deficiency, GSDIa, and Wilson Disease
The objective of this observational study is to evaluate the seroprevalence of anti-AAV antibodies in subjects with Ornithine Transcarbamylase (OTC) deficiency, Glycogen Storage Disease Type Ia (GSDIa), and Wilson Disease
- Conditions
- Ornithine Transcarbamylase Deficiency, Wilson Disease, Glycogen Storage Disease Type IA
- Trial name
- NCT04909346
- Where
- 5 sites in United States, Brazil and 3 more
- Volunteers
- 51 people
- Sponsor
- Ultragenyx Pharmaceutical Inc
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
Pompe Disease (Late-onset)
A Study About Antibody Levels and Biomarkers in the Blood in People With Late-onset Pompe Disease
Pompe disease is a genetic condition which causes muscle weakness over time. People with Pompe disease have a faulty gene that makes an enzyme called acid alpha-glucosidase (or GAA).
- Trial name
- NCT06150820
- Testing
- No Intervention
- Where
- 53 sites in United States, Australia and 9 more
- Volunteers
- 119 people
- Sponsor
- Astellas Gene Therapies
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
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
Pertussis, Pertussis Vaccines
A Study to Determine the Seroprevalence of Bordetella Pertussis in Adults in Hungary
The purpose of this study is to perform an epidemiological survey of the adult population in Hungary to calculate the seroprevalence of pertussis.
- Trial name
- NCT02014519
- Testing
- Blood sampling, Data collection
- Where
- 5 sites in Hungary
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
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
Dengue, Dengue Fever
Prospective Dengue Seroprevalence Study in 5 to 10 Year-old Children
This is a descriptive prospective community-based seroprevalence study. Primary objective: To determine the prevalence of specific antibodies (immunoglobulin G [IgG]) against dengue in healthy 5 to 10 year-old children in India.
- Conditions
- Dengue, Dengue Fever, Dengue Hemorrhagic Fever
- Trial name
- NCT01477671
- Where
- 4 sites in India
- Volunteers
- 667 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
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
Hemophilia A
A Prospective Study Evaluating Seroprevalence and Seroconversion of Antibodies Against Adeno-associated Virus (AAV)
A prospective cohort study utilizing biospecimen sample collection from adult Hemophilia A subjects to evaluate and characterize seroprevalence and the seroconversion of antibodies against AAV serotypes
- Trial name
- NCT05580692
- Testing
- Biospecimen Collection
- Where
- 18 sites in Argentina, Australia and 5 more
- Volunteers
- 321 people
- Sponsor
- BioMarin Pharmaceutical
Leptospirosis
Seroprevalence Study to Evaluate the Persistence of Anti-leptospira Antibody in Subjects Vaccinated With Spirolept® Vaccine
The study aims to assess antibody persistence induced by Spirolept® vaccination in subjects who received at least 4 doses (2 doses two weeks apart and 2 booster doses) and no more than a total of 8 doses (2 doses two weeks apart…
- Trial name
- SPT-001 (NCT03497572)
- Where
- 2 sites in France
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Imaxio