Clinical trials: Yellow Fever, active
Yellow Fever
Immunogenicity of Yellow Fever Vaccine in a Pediatric Population Vaccinated at 12-23 Months of Age in Argentina
Northern Argentina is a risk area for yellow fever (YF). Recent studies have suggested that immunity wanes in children vaccinated between 9 and 23 months of age.
- Trial name
- NCT05644145
- Testing
- Serological study after yellow fever vaccination
- Where
- 3 sites in Argentina
- Volunteers
- 361 people, healthy volunteers welcome
- Sponsor
- Ministry of Public Health, Argentina
Yellow Fever, Immunization; Infection
Immunogenicity of Yellow Fever Vaccine 17D in Adults With Prior 17D Vaccination
The goal of this clinical trial is to assess the immune response to the yellow fever vaccine 17D in adults with prior 17D vaccination.
- Trial name
- NCT05859490
- Testing
- 17D
- Where
- United States
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
HIV Infections
Immunogenicity and Safety of the Yellow Fever Vaccine in HIV Infected Individuals
Phase 4 study to evaluate the immunogenicity and Safety of the 17DD Yellow Fever vaccine in HIV infected individuals, compared to non-HIV-infected individuals.
- Trial name
- YF-HIV (NCT03132311)
- Testing
- Yellow Fever vaccination (17 DD Biomanguinhos)
- Where
- Brazil
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Oswaldo Cruz Foundation
Measles, Rubella
Non-interference Study of MR and Yellow Fever Vaccines Among Bangladeshi Infants Aged 9-12 Months
This study will be conducted among 1530 healthy infants of 9 to 12 months of age residing in the Dakshinkhan and Uttarkhan area which is located in Dhaka North City Corporation (DNCC) to enroll the required number of…
- Conditions
- Measles, Rubella, Yellow Fever
- Trial name
- NCT06815835
- Testing
- Measles-Rubella vaccine (Live) I.P. (Freeze Dried) of M/s. Zydus Lifesciences Ltd, Yellow fever Vaccine (WHO prequalified)
- Where
- Bangladesh
- Volunteers
- 1,530 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Yellow Fever
Study on an Investigational Yellow Fever Vaccine Compared With Stamaril in Adults in Europe and Asia
VYF03 is a phase II, randomized, parallel-group prevention study with 2 arms, active-controlled (Stamaril), observer-blind, multi-center study to assess the non-inferiority of the immune response, in terms of seroconversion rates…
- Trial name
- NCT05011123
- Testing
- Yellow fever vaccine (produced on serum-free Vero cells), Yellow fever vaccine
- Where
- 23 sites in Finland, France and 4 more
- Volunteers
- 690 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Yellow Fever, Healthy Volunteers
Study on an Investigational Yellow Fever Vaccine Compared With YF-VAX in Adults in the USA
The primary objective of the study is to demonstrate the non-inferiority of the antibody response in terms of seroconversion rate 28 days after vaccine administration of one dose of yellow fever vaccine (vYF) compared to the…
- Trial name
- VYF02 (NCT04942210)
- Testing
- Yellow fever vaccine (produced on serum-free Vero cells), Yellow fever vaccine
- Where
- 11 sites in United States
- Volunteers
- 568 people, healthy volunteers welcome
- Sponsor
- Sanofi Pasteur, a Sanofi Company
Yellow Fever (Healthy Volunteers), Biopsy/Methods
Baseline Assessment of Skin Resident Memory T Cells in Healthy Unvaccinated Participants
In The main GeKoSkimm trial (= A randomized controlled trial to compare the immunogenicity and skin imprinting of intradermal, subcutaneous and intramuscular yellow fever vaccination) the investigators try to understand whether…
- Trial name
- NCT07636551
- Testing
- Skin punch biopsy, Blood samples
- Where
- Belgium
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Institute of Tropical Medicine, Belgium
Immune System Responses and Trained Immunity After AS01 Administration, Healthy Adult
Improving Vaccine Protection for Adults
As people grow older, their immune system - the body's natural defence against diseases - becomes weaker, making them more vulnerable to infections and less responsive to vaccines.
- Trial name
- NCT07527247
- Testing
- AS01 adjuvant (0.5 mL intramuscular), YF17D (Stamaril, Sanofi-Pasteur)
- Where
- Singapore
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Singapore General Hospital
Yellow Fever Vaccine, Immunity
Immunity Period After One Dose of Yellow Fever Vaccine in Adults and Children (Paraiba Study)
The study main objective is to assess the immune status of children and adults who have never vaccinated, they will receive the first dose of 17DD yellow fever vaccine provided by the study and will be monitored for 10 years.
- Trial name
- NCT02555072
- Testing
- yellow fever vaccine
- Where
- 6 sites in Brazil
- Volunteers
- 4,761 people, healthy volunteers welcome
- Sponsor
- The Immunobiological Technology Institute (Bio-Manguinhos) / Oswaldo Cruz Foundation (Fiocruz)
Vaccination Knowledge and Acceptance, Informed Vaccine-decision Making
Assessment of Communication Interventions on Vaccination Knowledge and Acceptance
An online randomized controlled trial (RCT) examining the effectiveness of communication measures regarding TBE vaccination in the European context and yellow fever vaccination in the South American context on an informed…
- Trial name
- Y4F WP5/3 (NCT07921121)
- Testing
- Intervention group 1, Intervention group 2, Control format (vaccine check)
- Where
- Germany
- Volunteers
- 1,524 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Yellow Fever Immunization
A Phase III Control Study of the Safety and Immunogenicity of vYF in Pediatric Population
The purpose of this study is to determine whether vYF (investigational vaccine) is safe and can help the body to develop antibodies (immunogenicity) compared with Stamaril vaccine and YF-VAX vaccine (both licensed vaccines) and…
- Trial name
- NCT07103148
- Testing
- Yellow fever vaccine (live), Measles, combinations with mumps and rubella, live attenuated
- Where
- 15 sites in Honduras, Mexico and 1 more
- Volunteers
- 2,440 people, healthy volunteers welcome
- Sponsor
- Sanofi
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
Immunization, Infections
Description of the Immune Response to Yellow Fever Vaccination
Vaccine protection depends on a specific adaptive immune memory. However, a little-explored aspect of certain live vaccines may provide beneficial, non-specific protection against infections or pathogens other than the one from…
- Trial name
- IVORY2 (NCT06718127)
- Testing
- blood samples collection
- Where
- France
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Yellow Fever Vaccine
Characterization of Human Memory Immune Responses to Prior Yellow Fever Vaccination
The objective of this study is to study immune memory generated against the yellow fever (YFV) vaccine in participants who have previously received the vaccine.
- Trial name
- NCT01244802
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Emory University
Yellow Fever Vaccine
VAC-SIP-YF (Vaccination- Safety & Immunogenicity During Pregnancy- Yellow Fever)
The aim of this study is to compare the immunogenicity induced by yellow fever vaccination administered during pregnancy with that induced by vaccination outside pregnancy, and to assess the maternal and fetal tolerance of this…
- Trial name
- VAC-SIP-YF (NCT06694766)
- Testing
- Blood sample collection
- Where
- France
- Volunteers
- 270 people, healthy volunteers welcome
- Sponsor
- Institut Pasteur
Vaccine Response Impaired
Antibiotics and Vaccine Immune Responses Study
The goal of this clinical trial is to examine immune responses to the BCG vaccine in healthy adults who have, or who have not, taken antibiotics to deplete their gut bacteria prior to vaccination.
- Trial name
- AVIRS (NCT06148025)
- Testing
- BCG vaccine, Yellow Fever vaccine, Vancomycin Oral Capsule
- Where
- Australia
- Volunteers
- 348 people, healthy volunteers welcome
- Sponsor
- South Australian Health and Medical Research Institute