20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 3-Dose Series in Healthy Infants
NCT04546425
ABOUT THIS STUDY
FOR MORE INFORMATION
Contact a representative by phone, email, or visiting the study website. Please see the references below:
Pfizer Clinical Trials Contact Center
1-800-718-1021
- Male or female infants born at >36 weeks of gestation and 2 months of age at the time of consent.
- Healthy infants determined by clinical assessment, including medical history and clinical judgment, to be eligible for the study.
- 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 and, in the
judgment of the investigator, would make the participant inappropriate for entry into
this study.
- Previous vaccination with any licensed or investigational pneumococcal vaccine, or
planned receipt through study participation.
NEED INFO?
Questions about a trial? Call or email to reach a Pfizer Clinical Trial Contact Center Representative

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Descriptive Information | |||||||
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Brief Title ICMJE | 20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 3-Dose Series in Healthy Infants | ||||||
Official Title ICMJE | A PHASE 3, RANDOMIZED, DOUBLE-BLIND TRIAL TO EVALUATE THE SAFETY AND IMMUNOGENICITY OF A 20-VALENT PNEUMOCOCCAL CONJUGATE VACCINE GIVEN AS A SERIES OF 2 INFANT DOSES AND 1 TODDLER DOSE IN HEALTHY INFANTS | ||||||
Brief Summary | 20-valent Pneumococcal Conjugate Vaccine Safety and Immunogenicity Study of a 3-Dose Series in Healthy Infants | ||||||
Detailed Description | Not Provided | ||||||
Study Type ICMJE | Interventional | ||||||
Study Phase ICMJE | Phase 3 | ||||||
Study Design ICMJE | Allocation: Randomized Intervention Model: Parallel Assignment Masking: Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) Primary Purpose: Prevention | ||||||
Condition ICMJE | Pneumococcal Disease | ||||||
Intervention ICMJE |
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Study Arms ICMJE |
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Publications * | Not Provided | ||||||
* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. | |||||||
Recruitment Information | |||||||
Recruitment Status ICMJE | Recruiting | ||||||
Estimated Enrollment ICMJE | 1200 | ||||||
Original Estimated Enrollment ICMJE | Same as current | ||||||
Estimated Study Completion Date ICMJE | March 22, 2022 | ||||||
Estimated Primary Completion Date | March 22, 2022 (Final data collection date for primary outcome measure) | ||||||
Eligibility Criteria ICMJE | Inclusion Criteria:
Exclusion Criteria:
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Sex/Gender ICMJE |
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Ages ICMJE | 42 Days to 112 Days (Child) | ||||||
Accepts Healthy Volunteers ICMJE | Yes | ||||||
Contacts ICMJE |
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Listed Location Countries ICMJE | Australia, Belgium, Czechia, Denmark, Estonia, Finland, Italy, Netherlands, Norway, Poland, Slovakia | ||||||
Removed Location Countries | |||||||
Administrative Information | |||||||
NCT Number ICMJE | NCT04546425 | ||||||
Other Study ID Numbers ICMJE | B7471012 2019-003306-27 ( EudraCT Number ) | ||||||
Has Data Monitoring Committee | Yes | ||||||
U.S. FDA-regulated Product |
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IPD Sharing Statement ICMJE |
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Responsible Party | Pfizer | ||||||
Study Sponsor ICMJE | Pfizer | ||||||
Collaborators ICMJE | Not Provided | ||||||
Investigators ICMJE |
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PRS Account | Pfizer | ||||||
Verification Date | March 2021 | ||||||
ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |