Study on an Investigational Yellow Fever Vaccine Compared With YF-VAX in Adults in the USA
Public ClinicalTrials.gov record NCT04942210. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Controlled Study of Immunogenicity and Safety of the Investigational vYF Candidate Vaccine in Comparison to YF-VAX in Adults
Study identification
- NCT ID
- NCT04942210
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Sanofi Pasteur, a Sanofi Company
- Industry
- Enrollment
- 568 participants
Conditions and interventions
Conditions
Interventions
- Yellow fever vaccine Biological
- Yellow fever vaccine (produced on serum-free Vero cells) Biological
Biological
Eligibility (public fields only)
- Age range
- 18 Years to 60 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 30, 2021
- Primary completion
- Jun 23, 2022
- Completion
- Jun 28, 2027
- Last update posted
- Jun 17, 2025
2021 – 2027
United States locations
- U.S. sites
- 11
- U.S. states
- 9
- U.S. cities
- 11
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Emory University Decatur- Site Number : 8400005 | Decatur | Georgia | 30030 | — |
| Velocity Clinical Research- New Orleans Site Number : 8400008 | New Orleans | Louisiana | 70119 | — |
| Johns Hopkins Bloomberg School of Public Health (JHSPH)- Site Number : 8400004 | Baltimore | Maryland | 21205 | — |
| Harvard University Medical School- Site Number : 8400002 | Boston | Massachusetts | 02115 | — |
| Saint Louis University- Site Number : 8400003 | St Louis | Missouri | 63104 | — |
| Meridian Clinical Research- Site Number : 8400009 | Omaha | Nebraska | 681134 | — |
| SUNY Upstate Medical University Global Health Institute Site Number : 8400006 | East Syracuse | New York | 13057 | — |
| New York University Langone Medical Center Site Number : 8400013 | New York | New York | 10016 | — |
| Rochester Clinical Research, Inc.- Site Number : 8400010 | Rochester | New York | 14609 | — |
| Velocity Clinical Research - Providence Site Number : 8400015 | East Greenwich | Rhode Island | 02818 | — |
| J Lewis Research Inc- Site Number : 8400012 | Salt Lake City | Utah | 84109 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04942210, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 17, 2025 · Synced May 8, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04942210 live on ClinicalTrials.gov.