New vaccine aims to shield infants from more pneumococcal strains

NCT ID NCT05844423

Completed ⭐️ VACCINE ⭐️ Sponsor: Vaxcyte, Inc. Source: ClinicalTrials.gov ↗

First seen Nov 01, 2025 · Last updated May 21, 2026 · Updated 28 times

Summary

This study tested a new vaccine called VAX-24 in 802 healthy infants to see if it is safe and works well. The vaccine targets 24 types of pneumococcal bacteria, which can cause serious infections like pneumonia and meningitis. Infants received four doses at 2, 4, 6, and 12-15 months old, alongside routine vaccines. The goal was to compare VAX-24 to an existing vaccine and find the best dose.

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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Contacts and locations

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Locations

ACC Pediatric Research

Haughton, Louisiana, 71037, United States
Allegheny Health and Wellness Pavilion

Erie, Pennsylvania, 16506, United States
Alliance for Multispecialty Research

Layton, Utah, 84041, United States
Alliance for Multispecialty Research

Murray, Utah, 84107, United States
Alliance for Multispecialty Research

Provo, Utah, 84604, United States
Alliance for Multispecialty Research

Roy, Utah, 84067, United States
Alliance for Multispecialty Research

Syracuse, Utah, 84075, United States
Coastal Pediatric Research

Summerville, South Carolina, 29486, United States
Holston Medical Group

Kingsport, Tennessee, 37660, United States
Jedidiah Clinical Research

Tampa, Florida, 33617, United States
Kentucky Pediatric/ Adult Research

Bardstown, Kentucky, 40004, United States
Kool Kids Pediatrics

Houston, Texas, 77065, United States
Madera Family Medical Group

Madera, California, 93637, United States
Meridian Clinical Research

Hastings, Nebraska, 68901, United States
Midwest Children's Health Research Institute

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

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

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

Lincoln, Nebraska, 68522, United States
Ohio Pediatric Research Assn.

Dayton, Ohio, 45414, United States
Palmetto Pediatrics, PA

North Charleston, South Carolina, 29406, United States
Pediatric Associates

Houston, Texas, 77087, United States
Pediatric Center

Richmond, Texas, 77469, United States
Pediatric Research of Charlottesville, LLC

Charlottesville, Virginia, 22902, United States
The Children's Clinic of Jonesboro, P.A.

Jonesboro, Arkansas, 72401, United States
Tribe Clinical Research at Parkside Pediatrics

Simpsonville, South Carolina, 29680, United States
UPMC Bass Wolfson Cranberry

Cranberry Township, Pennsylvania, 16066, United States
UPMC Children's Community Pediatrics Bass Wolfson-Squirrel Hill

Pittsburgh, Pennsylvania, 15217, United States
UPMC Children's Community Pediatrics South Hills-Jefferson Hills

Jefferson Hills, Pennsylvania, 15025, United States
UPMC Children's Community Pediatrics-Castle Shannon

Pittsburgh, Pennsylvania, 15234, United States
UPMC Primary Care Center Oakland

Pittsburgh, Pennsylvania, 15213, United States
Ventavia

Houston, Texas, 77008, United States
Ventavia Research Group

Burleson, Texas, 76028, United States

Conditions

Explore the condition pages connected to this study.

PNEUMOCOCCAL VACCINES