Study of Mixed Vaccination Schedules With a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Public ClinicalTrials.gov record NCT06824181. 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 3, Randomized, Modified Double-blind, Active-controlled, Parallel-group, 4-arm Study to Investigate the Mixed Vaccination Schedules of a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants and Toddlers
Study identification
- NCT ID
- NCT06824181
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Sanofi
- Industry
- Enrollment
- 580 participants
Conditions and interventions
Conditions
Interventions
- PCV21 vaccine Biological
- Prevnar 20 vaccine Biological
- M-M-R II vaccine Biological
- Rotarix Biological
- RotaTeq Biological
- Vaxelis vaccine Biological
- Varivax Biological
- Priorix Biological
- VAQTA Biological
- Havrix Biological
Biological
Eligibility (public fields only)
- Age range
- 42 Days to 89 Days
- 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
- Feb 26, 2025
- Primary completion
- Sep 9, 2027
- Completion
- Sep 9, 2027
- Last update posted
- Feb 12, 2026
2025 – 2027
United States locations
- U.S. sites
- 17
- U.S. states
- 9
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Kaiser Permanente - Los Angeles Medical Center- Site Number : 8400025 | Los Angeles | California | 90027 | — |
| The Medici Medical Research- Site Number : 8400008 | Hollywood | Florida | 33021 | — |
| Clinsearch Inc at Dr. Gala, LLC- Site Number : 8400027 | Miami | Florida | 33135 | — |
| Atlantis Clinical Research- Site Number : 8400009 | Miami | Florida | 33173 | — |
| Velocity Clinical Research - Sioux City- Site Number : 8400007 | Sioux City | Iowa | 51106 | — |
| Private Practice - Dr. Michael W. Simon- Site Number : 8400001 | Lexington | Kentucky | 40517 | — |
| Velocity Clinical Research - New Orleans- Site Number : 8400006 | New Orleans | Louisiana | 70119 | — |
| Finger Lakes Medical Research - Cortland- Site Number : 8400022 | Cortland | New York | 13045 | — |
| University of Rochester Medical Center- Site Number : 8400019 | Rochester | New York | 14642 | — |
| SUNY Upstate Medical University - Syracuse- Site Number : 8400015 | Syracuse | New York | 13210 | — |
| Kid's Way Pediatrics- Site Number : 8400013 | Hermitage | Pennsylvania | 16148 | — |
| Carolina Family Care - Charleston- Site Number : 8400014 | Charleston | South Carolina | 29414 | — |
| Helios Clinical Research - BUR PEDI- Site Number : 8400016 | Burleson | Texas | 76028 | — |
| Clinsearch Inc at VAST Clinical Research- Site Number : 8400028 | Euless | Texas | 76040 | — |
| DM Clinical Research - Houston - Jones Road- Site Number : 8400012 | Houston | Texas | 77065 | — |
| University of Texas Medical Branch at Galveston- Site Number : 8400005 | League City | Texas | 77555 | — |
| Javara - Privia Medical Group North Texas - Stephenville- Site Number : 8400024 | Stephenville | Texas | 76401 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 10 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06824181, 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 Feb 12, 2026 · Synced Jul 24, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT06824181 live on ClinicalTrials.gov.