Study to Evaluate the Safety and the Immunogenicity of a Second Generation Structurally Designed mRNA Vaccine Candidate Against Pandemic Influenza H5 HA Strain in Healthy Adult Participants Aged 18 Years and Older
Public ClinicalTrials.gov record NCT06907511. 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
A Phase 1/2, Parallel-group, Randomized, Modified Double-blind, Placebo-controlled, Multi-center, Dose Ranging Study to Evaluate the Safety and Immunogenicity of a Second Generation Structurally Designed Pandemic Influenza H5 HA mRNA Vaccine in Healthy Adults Aged 18 Years and Older
Study identification
- NCT ID
- NCT06907511
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1, Phase 2
- Lead sponsor
- Sanofi
- Industry
- Enrollment
- 720 participants
Conditions and interventions
Interventions
- Pandemic flu H5 HA mRNA SD2 vaccine Biological
- Placebo Other
Biological · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Apr 16, 2025
- Primary completion
- Nov 30, 2026
- Completion
- Nov 30, 2026
- Last update posted
- Jan 15, 2026
2025 – 2026
United States locations
- U.S. sites
- 13
- U.S. states
- 10
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Velocity Clinical Research - San Diego- Site Number : 8400013 | La Mesa | California | 91942 | — |
| Accel Research Sites Network - DeLand Clinical Research Unit- Site Number : 8400002 | DeLand | Florida | 32720 | — |
| Accel Research Sites - Lakeland Clinical Research Unit- Site Number : 8400006 | Lakeland | Florida | 33803 | — |
| Accel Research Sites - St. Petersburg - Largo- Site Number : 8400004 | Largo | Florida | 33777 | — |
| Accel Research Site - NeuroStudies.net, LLC - ERN - PPDS- Site Number : 8400003 | Decatur | Georgia | 30030-2627 | — |
| QUEST Research Institute- Site Number : 8400014 | Bingham Farms | Michigan | 48334 | — |
| Velocity Clinical Research - Norfolk- Site Number : 8400015 | Norfolk | Nebraska | 68701 | — |
| Velocity Clinical Research - Omaha- Site Number : 8400012 | Omaha | Nebraska | 68134 | — |
| Velocity Clinical Research - Springdale- Site Number : 8400010 | Cincinnati | Ohio | 45246 | — |
| Coastal Carolina Research Center- Site Number : 8400001 | North Charleston | South Carolina | 29406 | — |
| Olympus Clinical Research - Sugar Land- Site Number : 8400009 | Sugar Land | Texas | 77479 | — |
| Velocity Clinical Research - Salt Lake City- Site Number : 8400011 | West Jordan | Utah | 84088 | — |
| Charlottesville Medical Research- Site Number : 8400005 | Charlottesville | Virginia | 22911 | — |
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 NCT06907511, 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 Jan 15, 2026 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06907511 live on ClinicalTrials.gov.