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yellow fever virus strain 17D-204 live antigen

Generic: yellow fever virus strain 17D-204 live antigen·Brand: Stamaril, YF-Vax

yellow fever virus strain 17D-204 live antigen: 7 clinical trials tracked.

yellow fever virus strain 17D-204 live antigen evidence translation

What we can confirm

7 tracked trials

No verified listed company relationship

What it means

AI will separate confirmed drug evidence from unknown company context.

What to watch

Watch trial status, endpoints, and the next source-backed update.
BioSniper AIPage evidence connected

Prepared research question

What is verified about yellow fever virus strain 17D-204 live antigen, and what remains unknown?

Run cited research

Traceable citations · Unknowns marked

See linked entities and source evidence1 indications · 1 study sponsors

Related indications

Clinical Trial Registry Records (7)

A Phase 3, Single Arm, Open Study to Assess the Immunogenicity and Safety of vYF in Adults Aged 18 Years and Over

NCT07222059Registry updated 2026-02-03·Phase 3
Completed

Primary endpoint: Percentage of participants with seroconversion to YF virus in YF-naive participants

Interventionalopen254 enrolledStarted 2025-10Completion 2025-124 sites · JapanSanofi Pasteur, a Sanofi Company

A Parallel Group, Phase III Randomized, Modified Double-blind, Active Controlled Study to Investigate the Immunogenicity and Safety of vYF Compared to Licensed YF Vaccines in Pediatric Population Aged 9 Months to 5 Years of Age

NCT07103148Registry updated 2026-05-06·Phase 3·SNY
Recruiting

Primary endpoint: Percentage of participants with seroconversion to YF virus after 1 dose of vYF compared to seroconversion after 1 dose of the Stamaril in YF-naive participants (9-24 months)

InterventionalRandomizedquadruple2,440 targetStarted 2025-07Completion 2030-0313 sites · Honduras, Mexico, PanamaSanofi

A Phase 3 Randomized, Modified Double-blind, Active-controlled Study to Assess the Safety of vYF, Yellow Fever Vaccine, in Adults Aged 18 Years up to 60 Years

NCT07002060Registry updated 2026-02-02·Phase 3·SNY
Completed

Primary endpoint: Number of participants with immediate adverse events

InterventionalRandomizedquadruple640 enrolledStarted 2025-05Completion 2026-017 sites · United StatesSanofi

A Human Experimental Medicine Study to Assess Whether the Gut Microbiota Regulates Specific and Non-specific Immune Responses to Vaccination

NCT06148025Registry updated 2026-09-17·Phase 4
Recruiting

Primary endpoint: Sub-study 1 BCG re-challenge

InterventionalRandomizeddouble348 targetStarted 2023-11Completion 2028-101 site · AustraliaSouth Australian Health and Medical Research Institute

Controlled Study of Immunogenicity and Safety of the Investigational vYF Candidate Vaccine in Comparison to Stamaril in Adults

NCT05011123Registry updated 2026-06-01·Phase 2
Active, not recruiting

Primary endpoint: Percentage of Yellow Fever-naive Participants Who Achieved Seroconversion 28 Days Post Dose 1 Enrolled in European Union

InterventionalRandomizedquadruple690 targetStarted 2021-10Completion 2027-0423 sites · Finland, France, Germany, Singapore…Sanofi Pasteur, a Sanofi Company

Controlled Study of Immunogenicity and Safety of the Investigational vYF Candidate Vaccine in Comparison to YF-VAX in Adults

NCT04942210Registry updated 2025-06-18·Phase 2
Active, not recruiting

Primary endpoint: Percentage of Yellow Fever (YF)-Naive Participants Who Achieved Seroconversion 28 Days Post Dose 1

InterventionalRandomizedquadruple568 targetStarted 2021-07Completion 2027-0611 sites · United StatesSanofi Pasteur, a Sanofi Company

Safety, Tolerability, and Immunogenicity Dose-ranging Study of the Investigational Yellow Fever Vacine (vYF) Candidate Vaccine in Adults

NCT04142086Registry updated 2025-09-22·Phase 1
Completed

Primary endpoint: Number of participants with immediate adverse events

InterventionalRandomizedquadruple73 enrolledStarted 2020-01Completion 2021-061 site · United StatesSanofi Pasteur, a Sanofi Company