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Completed Phase 3 Interventional Accepts healthy volunteers Results available

20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 4-Dose Series in Healthy Infants

ClinicalTrials.gov ID: NCT04382326

Public ClinicalTrials.gov record NCT04382326. 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.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 11:30 AM EDT

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 AND IMMUNOGENICITY OF A 20-VALENT PNEUMOCOCCAL CONJUGATE VACCINE IN HEALTHY INFANTS

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 4-Dose Series in Healthy Infants

Study identification

NCT ID
NCT04382326
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
1,997 participants

Conditions and interventions

Eligibility (public fields only)

Age range
42 Days to 98 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
May 20, 2020 (Actual)
Primary completion
Sep 2, 2022 (Actual)
Completion
Sep 2, 2022 (Actual)
Last update posted
Dec 6, 2023

2020 – 2022

United States locations

U.S. sites
105
U.S. states
28
U.S. cities
81
Facility City State ZIP Site status
Children's of Alabama Birmingham Alabama 35233 —
UAB Pediatric Primary Care Clinic at Children's of Alabama Birmingham Alabama 35233 —
Southeastern Pediatric Associates Dothan Alabama 36305 —
MedPharmics, LLC Phoenix Arizona 85015 —
Northwest Arkansas Pediatrics Fayetteville Arkansas 72703 —
The Children's Clinic of Jonesboro, P.A. Jonesboro Arkansas 72401 —
Gardens Medical Center Bell Gardens California 90201 —
Coast Clinical Research, LLC Bellflower California 90706 —
Priti Desai, M.D. Inc. Covina California 91723 —
Universal Biopharma Research Institute Inc. Fresno California 93703 —
Matrix Clinical Research Gardena California 90247 —
Advanced Investigative Medicine, Inc. Hawthorne California 90250 —
Kaiser Permanente Oakland Oakland California 94611 —
Orange County Research Institute Ontario California 91762 —
Center for Clinical Trials of San Gabriel West Covina California 91790 —
Children's Colorado Health Pavilion (Child Health Clinic) Aurora Colorado 80011 —
Children's Hospital Colorado Aurora Colorado 80045 —
Optumcare Colorado Springs, LLC Colorado Springs Colorado 80906 —
Optumcare Colorado Springs, LLC Colorado Springs Colorado 80922 —
Gentle Medicine Associates Boynton Beach Florida 33435 —
Sarkis Clinical Trials Gainesville Florida 32607 —
Benton Pediatrics Gainesville Florida 32653 —
Qway Research Hialeah Florida 33010 —
Next Phase Research Alliance Homestead Florida 33030 —
Axcess Medical Research Loxahatchee Groves Florida 33470 —
Acevedo Clinical Research Associates Miami Florida 33142 —
Suncoast Research Associates, LLC Miami Florida 33173 —
Bio-Medical Research, LLC Miami Florida 33184 —
Crystal Biomedical Research, LLC Miami Lakes Florida 33014 —
Children's Health Center Tampa Florida 33617 —
Tekton Research, Inc Chamblee Georgia 30341 —
Uptown Pediatrics Columbus Georgia 31901 —
Columbus Regional Research Institute Columbus Georgia 31904 —
Meridian Clinical Research Macon Georgia 31210 —
Omega Pediatrics Roswell Georgia 30076 —
Idaho Falls Pediatrics Ammon Idaho 83406 —
Idaho Falls Pediatrics Idaho Falls Idaho 83402 —
Clinical Research Prime Idaho Falls Idaho 83404 —
Family First Medical Center Idaho Falls Idaho 83404 —
Snake River Research, PLLC Idaho Falls Idaho 83404 —
The Pediatric Center Idaho Falls Idaho 83404 —
Saltzer Health Nampa Idaho 83686 —
ASR, LLC Nampa Idaho 83687 —
The Iowa Clinic Ankeny Iowa 50023 —
Blank Children's Pediatric Clinic Des Moines Iowa 50309 —
Unity Point Health Des Moines Iowa 50309 —
The Iowa Clinic West Des Moines Iowa 50266 —
Alliance for Multispecialty Research, LLC El Dorado Kansas 67042 —
Kentucky Pediatric/Adult Research Bardstown Kentucky 40004 —
Michael W. Simon, MD, PSC Lexington Kentucky 40517 —
Novak Center for Children's Health Louisville Kentucky 40202 —
Brownsboro Park Pediatrics Louisville Kentucky 40207 —
Velocity Clinical Research at Primary Pediatrics, Macon Baton Rouge Louisiana 70809 —
Benchmark Research Covington Louisiana 70433 —
ACC Pediatric Research Haughton Louisiana 71037 —
Velocity Clinical Research, Covington Metairie Louisiana 70006 —
University of Maryland, Baltimore, Center for Vaccine Development and Global Health Baltimore Maryland 21201 —
The Pediatric Center of Frederick, LLC Frederick Maryland 21702 —
MedPharmics, LLC Gulfport Mississippi 39503 —
Boeson Research Missoula Montana 59804 —
Meridian Clinical Research Hastings Nebraska 68901 —
Midwest Children's Health Research Institute Lincoln Nebraska 68504 —
Midwest Children's Health Research Institute Lincoln Nebraska 68516 —
Children's Physicians Dundee Omaha Nebraska 68132 —
Medpharmics Albuquerque New Mexico 87102 —
SUNY Downstate Medical Center Brooklyn New York 11203 —
Child Health Care Associates East Syracuse New York 13057 —
Smart Medical Research, Inc Jackson Heights New York 11372 —
Child Health Care Associates Liverpool New York 13090 —
ECU Physicians Adult and Pediatric Health Center Greenville North Carolina 27834 —
ECU Physicians Pediatric Outpatient Clinic Greenville North Carolina 27834 —
Leo Jenkins Cancer Center Pharmacy Greenville North Carolina 27834 —
Dayton Clinical Research Dayton Ohio 45409 —
Ohio Pediatric Research Association, Inc. Dayton Ohio 45414 —
Pediatric Associates of Fairfield Fairfield Ohio 45014 —
Senders Pediatrics South Euclid Ohio 44121 —
Pediatric Medical Associates East Norriton Pennsylvania 19401 —
Allegheny Health and Wellness Pavilion Erie Pennsylvania 16506 —
Lockman & Lubell Pediatric Associates Fort Washington Pennsylvania 19034 —
Coastal Pediatric Research Charleston South Carolina 29414 —
Palmetto Pediatrics, PA North Charleston South Carolina 29406-9170 —
Sanford Children's Specialty Clinic Sioux Falls South Dakota 57105 —
Sanford 69th & Louise Family Medicine Sioux Falls South Dakota 57108 —
Holston Medical Group Bristol Tennessee 37620 —
Premier Medical Group Clarksville Tennessee 37040 —
Holston Medical Group Kingsport Tennessee 37660 —
LeBonheur Children's Hospital Memphis Tennessee 38104 —
Coastal Bend Clinical Research Corpus Christi Texas 78413 —
Kool Kids Pediatrics Houston Texas 77065 —
La Providence Pediatrics Clinic Houston Texas 77071 —
Houston Clinical Research Associates Houston Texas 77090 —
DCOL Center for Clinical Research Longview Texas 75605 —
Diagnostic Clinic of Longview Longview Texas 75605 —
Ashley Pediatrics Day and Night Clinic McAllen Texas 78503 —
Dr. Ruben Aleman & Associates McAllen Texas 78504 —
Tekton Research, Inc San Antonio Texas 78244 —
Wee Care Pediatrics Kaysville Utah 84037 —
Wee Care Pediatrics Layton Utah 84041 —
Wasatch Pediatrics, Cottonwood Office Murray Utah 84107 —
Wee Care Pediatrics Roy Utah 84067 —
Dixie Pediatrics St. George Utah 84790 —
Wee Care Pediatrics Syracuse Utah 84075 —
Pediatric Associates of Charlottesville, PLC Charlottesville Virginia 22902 —
Pediatric Research of Charlottesville, LLC Charlottesville Virginia 22902 —
The Vancouver Clinic, Inc Vancouver Washington 98664 —

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 5 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04382326, 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 Dec 6, 2023 · Synced Oct 19, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04382326 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →