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Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-naïve Adults

ClinicalTrials.gov ID: NCT03760146

Public ClinicalTrials.gov record NCT03760146. 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, 5:08 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 PNEUMOCOCCAL VACCINE-NAÏVE ADULTS 18 YEARS OF AGE AND OLDER

Brief summary

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

A Phase 3, Randomized, Double-Blind Trial to Evaluate the Safety and Immunogenicity of a 20-valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-Naïve Adults

Study identification

NCT ID
NCT03760146
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
3,902 participants

Conditions and interventions

Interventions

Biological · Other

Eligibility (public fields only)

Age range
18 Years and older
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
Dec 11, 2018
Primary completion
Dec 15, 2019
Completion
Dec 15, 2019
Last update posted
Dec 1, 2021

2018 – 2019

United States locations

U.S. sites
61
U.S. states
22
U.S. cities
48
Facility City State ZIP Site status
Accel Research Sites Birmingham Alabama 35216
Coastal Clinical Research, Inc. Mobile Alabama 36608
East Valley Gastroenterology and Hepatology Associates Chandler Arizona 85224
The Pain Center of Arizona Peoria Arizona 85381
MedPharmics, LLC Phoenix Arizona 85015
HOPE Research Institute Phoenix Arizona 85018
The Pain Center of Arizona Phoenix Arizona 85018
Anaheim Clinical Trials, LLC Anaheim California 92801
Diablo Clinical Research, Inc. Walnut Creek California 94598
Clinical Research Consulting, LLC Milford Connecticut 06460
Nature Coast Clinical Research Crystal River Florida 34429
Accel Research Sites - Clinical Research Unit DeLand Florida 32720
Research Centers of America, LLC Hollywood Florida 33024
Jacksonville Center for Clinical Research Jacksonville Florida 32216
Suncoast Research Group, LLC Miami Florida 33135
Acevedo Clinical Research Associates Miami Florida 33142
Qps-Mra, Llc South Miami Florida 33143
Atlanta Center for Medical Research Atlanta Georgia 30331
Meridian Clinical Research LLC Savannah Georgia 31406
Clinical Research Atlanta Stockbridge Georgia 30281
East-West Medical Research Institute Honolulu Hawaii 96814
Axtell Clinic, P.A. Newton Kansas 67114
Heartland Research Associates, LLC Newton Kansas 67114
Heartland Research Associates, LLC Wichita Kansas 67205
Northwest Family Physicians Wichita Kansas 67205
Heartland Research Associates, LLC Wichita Kansas 67207
Meridian Clinical Research, LLC Rockville Maryland 20854
Sundance Clinical Research St Louis Missouri 63141
Meridian Clinical Research, LLC Norfolk Nebraska 68701
Meridian Clinical Research LLC Omaha Nebraska 68134
ActivMed Practices & Research, Inc. Portsmouth New Hampshire 03801
United Medical Associates Binghamton New York 13901
Regional Clinical Research, Inc. Endwell New York 13760
Rochester Clinical Research, Inc. Rochester New York 14609
PharmQuest Greensboro North Carolina 27408
M3 Wake Research, Inc. Raleigh North Carolina 27612
PMG Research of Wilmington, LLC Wilmington North Carolina 28401
Lillestol Research LLC Fargo North Dakota 58104
Cincinnati Children's Hospital Medical Center Cincinnati Ohio 45206
Sterling Research Group, Ltd. Cincinnati Ohio 45219
Cincinnati Children's Hospital Medical Center (CCHMC) Cincinnati Ohio 45229
Sterling Research Group, Ltd. Cincinnati Ohio 45246
Rapid Medical Research, Inc. Cleveland Ohio 44122
Lynn Health Science Institute Oklahoma City Oklahoma 73112
Omega Medical Research Warwick Rhode Island 02886
Meridian Clinical Research, LLC Dakota Dunes South Dakota 57049
Tekton Research, Inc. Austin Texas 78745
Bellaire Doctor's Clinic Bellaire Texas 77401
Ventavia Research Group, LLC Fort Worth Texas 76104
Benchmark Research Fort Worth Texas 76135
HealthFirst Medical Group Fort Worth Texas 76135
Ventavia Research Group, LLC Keller Texas 76248
Clinical Trials of Texas, Inc. San Antonio Texas 78229
Ventavia Research Group, LLC Spring Texas 77389
DM Clinical Research Tomball Texas 77375
Martin Diagnostic Clinic Tomball Texas 77375
J. Lewis Research Inc. / Foothill Family Clinic Draper Draper Utah 84020
J. Lewis Research, Inc. / Foothill Family Clinic Salt Lake City Utah 84109
J. Lewis Research, Inc. / Foothill Family Clinic South Salt Lake City Utah 84121
J. Lewis Research, Inc. - Jordan River Family Medicine South Jordan Utah 84095
Kaiser Permanente Washington Health Research Institute Seattle Washington 98101

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 7 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03760146, 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 1, 2021 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03760146 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →