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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 Sep 3, 2026, 7:52 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 19, 2020
Primary completion
Sep 1, 2022
Completion
Sep 1, 2022
Last update posted
Dec 5, 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 5, 2023 · Synced Sep 3, 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 protocol, eligibility criteria, and contact information for NCT04382326 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →