Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents
Public ClinicalTrials.gov record NCT07660198. 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 DOUBLE-BLIND TRIAL TO EVALUATE THE SAFETY, TOLERABILITY, AND IMMUNOGENICITY OF A CATCH-UP VACCINATION REGIMEN OF A MULTIVALENT PNEUMOCOCCAL CONJUGATE VACCINE IN HEALTHY CHILDREN AND ADOLESCENTS
Study identification
- NCT ID
- NCT07660198
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Pfizer
- Industry
- Enrollment
- 1,200 participants
Conditions and interventions
Conditions
Interventions
- PG4 Biological
- 20-valent pneumococcal conjugate vaccine (20vPnC) Biological
Biological
Eligibility (public fields only)
- Age range
- 15 Months to 17 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 14, 2026
- Primary completion
- Dec 1, 2027
- Completion
- Dec 1, 2027
- Last update posted
- Jun 23, 2026
2026 – 2027
United States locations
- U.S. sites
- 43
- U.S. states
- 17
- U.S. cities
- 32
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alabama Clinical Therapeutics, LLC Birmingham Pediatric Associates | Birmingham | Alabama | 35205 | Not yet recruiting |
| Apex Research Group | Fair Oaks | California | 95628 | Recruiting |
| Orange County Research Institute | Ontario | California | 91762 | Not yet recruiting |
| Riveldi and Associates | Miami Lakes | Florida | 33014 | Not yet recruiting |
| Indago Research & Health Center, Inc | Miami Lakes | Florida | 33016 | Not yet recruiting |
| Medical Research Partners | Ammon | Idaho | 83406 | Not yet recruiting |
| Bingham Memorial Hospital | Blackfoot | Idaho | 83221 | Not yet recruiting |
| ASR, LLC | Boise | Idaho | 83702 | Not yet recruiting |
| Kentucky Pediatric/ Adult Research | Bardstown | Kentucky | 40004 | Recruiting |
| Avacare | Covington | Louisiana | 70433 | Not yet recruiting |
| Velocity Clinical Research, Lafayette | Lafayette | Louisiana | 70508 | Recruiting |
| LSU Health Shreveport Clinical Trials Office | Shreveport | Louisiana | 71101 | Not yet recruiting |
| Ochsner/LSU Health Shreveport - Progressive Pediatrics | Shreveport | Louisiana | 71101 | Not yet recruiting |
| Ochsner LSU Health Shreveport Ambulatory Care Center | Shreveport | Louisiana | 71103 | Not yet recruiting |
| Ochsner/LSU Health Shreveport Academic Medical Center | Shreveport | Louisiana | 71103 | Not yet recruiting |
| Pediatric Associates of Fall River | Fall River | Massachusetts | 02721 | Not yet recruiting |
| Michigan Center of Medical Research | Bingham Farms | Michigan | 48025 | Not yet recruiting |
| Clinical Research Institute, Inc. | Minneapolis | Minnesota | 55402 | Recruiting |
| Midwest Children's Health Research Institute | Lincoln | Nebraska | 68504 | Not yet recruiting |
| Midwest Children's Health Research Institute | Lincoln | Nebraska | 68505 | Not yet recruiting |
| Midwest Children's Health Research Institute | Lincoln | Nebraska | 68516 | Not yet recruiting |
| Midwest Children's Health Research Institute | Lincoln | Nebraska | 68522 | Not yet recruiting |
| Child Health Care Associates | East Syracuse | New York | 13057 | Not yet recruiting |
| Corning Center for Clinical Research | Horseheads | New York | 14845 | Not yet recruiting |
| Pediatric Associates of Mt. Carmel | Cincinnati | Ohio | 45245 | Not yet recruiting |
| Dayton Clinical Research | Dayton | Ohio | 45409 | Not yet recruiting |
| Senders Pediatrics | South Euclid | Ohio | 44121 | Recruiting |
| Tribe Clinical Research LLC. at Parkside Pediatrics Five Forks | Simpsonville | South Carolina | 29681 | Recruiting |
| Pediatric Clinical Trials of Tennessee, LLC | Tullahoma | Tennessee | 37388 | Not yet recruiting |
| Mercury Clinical Research (Administrative Office) | Houston | Texas | 77054 | Not yet recruiting |
| Kool Kids Pediatrics | Houston | Texas | 77065 | Not yet recruiting |
| Mercury Clinical Research - Pediatric Associates | Houston | Texas | 77087 | Not yet recruiting |
| Neutra Life Sciences | Houston | Texas | 77402 | Not yet recruiting |
| Pediatric Center- Neutra Life Sciences | Richmond | Texas | 77469 | Not yet recruiting |
| Sun Research Institute | San Antonio | Texas | 78215 | Not yet recruiting |
| Victoria Clinical Research Group | Victoria | Texas | 77901 | Recruiting |
| Tanner Clinic - Layton Parkway | Layton | Utah | 84041 | Not yet recruiting |
| Tanner Clinic | Layton | Utah | 84041 | Not yet recruiting |
| AMR Clinical | Provo | Utah | 84604 | Not yet recruiting |
| AMR Clinical | Syracuse | Utah | 84075 | Not yet recruiting |
| Velocity Clinical Research, Salt Lake City | West Jordan | Utah | 84088 | Recruiting |
| Pediatric Research of Charlottesville, LLC | Charlottesville | Virginia | 22902 | Recruiting |
| Clinical Research Partners, LLC | Richmond | Virginia | 23226 | Recruiting |
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 1 non-U.S. site.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT07660198, 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 23, 2026 · Synced Jun 27, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT07660198 live on ClinicalTrials.gov.