New vaccine aims to shield kids from pneumonia and meningitis

NCT ID NCT07660198

Recruiting now ⭐️ VACCINE ⭐️ Sponsor: Pfizer Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 10, 2026 · Updated 2 times

Summary

This study tests a new pneumococcal vaccine (PG4) in healthy children aged 15 months to 18 years. About 1,200 participants will receive either the new vaccine or the current Prevnar 20. Researchers will compare safety and immune response over 6 months. The goal is to see if the new vaccine provides better protection against serious infections like pneumonia and meningitis.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Multivalent pneumococcal conjugate vaccine (PG4)
What this could lead to: If successful, this vaccine could offer broader protection against pneumococcal diseases like pneumonia and meningitis in children.
What could go wrong: This is an early Phase 3 trial, so results are not yet confirmed. The new vaccine may not prove safer or more effective than the current one, and side effects are possible.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

pneumococcal infection prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PNEUMOCOCCAL DISEASE

Contacts and locations

Locations

AMR Clinical
RECRUITING

Provo, Utah, 84604, United States
AMR Clinical
RECRUITING

Syracuse, Utah, 84075, United States
ASR, LLC
RECRUITING

Boise, Idaho, 83702, United States
Alabama Clinical Therapeutics, LLC Birmingham Pediatric Associates
RECRUITING

Birmingham, Alabama, 35205, United States
Apex Research Group
RECRUITING

Fair Oaks, California, 95628, United States
Avacare
NOT_YET_RECRUITING

Covington, Louisiana, 70433, United States
BRCR Global Puerto Rico
RECRUITING

San Juan, 00907-1509, Puerto Rico
Bingham Memorial Hospital
RECRUITING

Blackfoot, Idaho, 83221, United States
Child Health Care Associates
NOT_YET_RECRUITING

East Syracuse, New York, 13057, United States
Clinical Research Institute, Inc.
RECRUITING

Minneapolis, Minnesota, 55402, United States
Clinical Research Partners, LLC
RECRUITING

Richmond, Virginia, 23226, United States
Corning Center for Clinical Research
RECRUITING

Horseheads, New York, 14845, United States
Dayton Clinical Research
RECRUITING

Dayton, Ohio, 45409, United States
Indago Research & Health Center, Inc
RECRUITING

Miami Lakes, Florida, 33016, United States
Kentucky Pediatric/ Adult Research
RECRUITING

Bardstown, Kentucky, 40004, United States
Kool Kids Pediatrics
NOT_YET_RECRUITING

Houston, Texas, 77065, United States
LSU Health Shreveport Clinical Trials Office
RECRUITING

Shreveport, Louisiana, 71101, United States
Medical Research Partners
NOT_YET_RECRUITING

Ammon, Idaho, 83406, United States
Mercury Clinical Research (Administrative Office)
RECRUITING

Houston, Texas, 77054, United States
Mercury Clinical Research - Pediatric Associates
RECRUITING

Houston, Texas, 77087, United States
Michigan Center of Medical Research
RECRUITING

Bingham Farms, Michigan, 48025, United States
Midwest Children's Health Research Institute
RECRUITING

Lincoln, Nebraska, 68504, United States
Midwest Children's Health Research Institute
RECRUITING

Lincoln, Nebraska, 68505, United States
Midwest Children's Health Research Institute
RECRUITING

Lincoln, Nebraska, 68516, United States
Midwest Children's Health Research Institute
RECRUITING

Lincoln, Nebraska, 68522, United States
Neutra Life Sciences
RECRUITING

Houston, Texas, 77402, United States
Ochsner LSU Health Shreveport Ambulatory Care Center
RECRUITING

Shreveport, Louisiana, 71103, United States
Ochsner/LSU Health Shreveport - Progressive Pediatrics
RECRUITING

Shreveport, Louisiana, 71101, United States
Ochsner/LSU Health Shreveport Academic Medical Center
RECRUITING

Shreveport, Louisiana, 71103, United States
Orange County Research Institute
RECRUITING

Ontario, California, 91762, United States
Pediatric Associates of Fall River
RECRUITING

Fall River, Massachusetts, 02721, United States
Pediatric Associates of Mt. Carmel
NOT_YET_RECRUITING

Cincinnati, Ohio, 45245, United States
Pediatric Center- Neutra Life Sciences
RECRUITING

Richmond, Texas, 77469, United States
Pediatric Clinical Trials of Tennessee, LLC
NOT_YET_RECRUITING

Tullahoma, Tennessee, 37388, United States
Pediatric Research of Charlottesville, LLC
RECRUITING

Charlottesville, Virginia, 22902, United States
Riveldi and Associates
NOT_YET_RECRUITING

Miami Lakes, Florida, 33014, United States
Senders Pediatrics
RECRUITING

South Euclid, Ohio, 44121, United States
Sun Research Institute
RECRUITING

San Antonio, Texas, 78215, United States
Tanner Clinic
RECRUITING

Layton, Utah, 84041, United States
Tanner Clinic - Layton Parkway
RECRUITING

Layton, Utah, 84041, United States
Tribe Clinical Research LLC. at Parkside Pediatrics Five Forks
RECRUITING

Simpsonville, South Carolina, 29681, United States
Velocity Clinical Research, Lafayette
RECRUITING

Lafayette, Louisiana, 70508, United States
Velocity Clinical Research, Salt Lake City
RECRUITING

West Jordan, Utah, 84088, United States
Victoria Clinical Research Group
RECRUITING

Victoria, Texas, 77901, United States

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