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COMPLETEDPhase 3NCT04642079

Safety and Immunogenicity Study of 20vPnC in Healthy Children 15 Months Through 17 Years of Age

This study is designed to evaluate the safety and immunogenicity of 20vPnC in healthy children 15 months through 17 years of age

Lead sponsor: Pfizer•43 U.S. locations•View source on ClinicalTrials.gov

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Sponsors

Lead Sponsor

Pfizer

Age

1 - 17 years

Sex

ALL

Healthy Volunteers

Yes

Inclusion Criteria

•Male or female children ≥15 months to \<18 years of age at the time of consent.
•Healthy children determined by clinical assessment, including medical history and clinical judgment, to be eligible for the study.
•For children \<5 years of age, written documentation of receipt of at least 3 doses of 13vPnC. The last dose of 13vPnC must have been administered \>2 months before enrolment into the study

Exclusion Criteria

•History of severe adverse reaction associated with a vaccine and/or severe allergic reaction (eg, anaphylaxis)
•Major known congenital malformation or serious chronic disorder
•Other acute or chronic medical or psychiatric condition or laboratory abnormality that may increase the risk associated with study participation or investigational product administration or may interfere with the interpretation of study results
•Previous vaccination with any investigational pneumococcal vaccine or with PPSV23, or planned receipt through study participation
•Cohorts 3 and 4: Pregnant or breastfeeding female participants

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Data from ClinicalTrials.govLast updated on ClinicalTrials.gov: January 22, 2024Terms

Trial snapshot

StatusCOMPLETED

PhasePHASE3

Enrollment839

Start dateDec 2020

Last updatedJan 22, 2024

Condition

Pneumococcal Disease

Locations shown

Northwest Arkansas Pediatrics

Fayetteville, Arkansas

The Children's Clinic of Jonesboro, P.A.

Jonesboro, Arkansas

The Children's Clinic

Jonesboro, Arkansas

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Data Source & Attribution

This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

ClinicalTrials.gov last update: January 22, 2024Data synced to Clareo: May 25, 2026

Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.

Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.

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