Drugs / 20-valent pneumococcal conjugate vaccine
last change Jan 2026 re-read 2 minutes ago

20-valent pneumococcal conjugate vaccine

also known as PCV20 · 20vPnC · 20-valent PCV

Vaccine

Developed for
pneumococcal infection
Investigated by
Pfizer · Alpha-1 Foundation · University of Alabama at Birmingham

Trials 8 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 37 trials
Phase 3 NCT05875727 Aug → Oct 2023 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT05512819 Sep 2022 → Sep 2025 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT05408429 Jun 2022 → Jun 2023 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT04530838 Sep 2020 → Apr 2022 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT04546425 Sep 2020 → Apr 2022 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT04379713 May 2020 → Aug 2022 pneumococcal infection Pfizer Completed No outcome recorded
Phase 3 NCT04382326 May 2020 → Sep 2022 pneumococcal infection Pfizer Completed No outcome recorded
Phase 41 trial
Phase 4 NCT07135427 Sep 2025 → Mar 2027 expected alpha 1-antitrypsin deficiency, chronic obstructive pulmonary disease, immunodeficiency disease University of Alabama at Birmingham Recruiting No outcome recorded
Also used as a comparator or background therapy in 2 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 11 trial
Phase 1 NCT07086677 Comparator Jul 2025 → Oct 2027 expected pneumococcal infection Pfizer Active not recruiting No outcome recorded
Phase 21 trial
Phase 2 NCT06524414 Comparator Jul 2024 → May 2027 expected pneumococcal infection Pfizer Active not recruiting No outcome recorded

Press releases naming this drug 18 releases

DateIssuerRelease
2024-10-23 Pfizer Advisory Committee on Immunization Practices Recommends PREVNAR 20® (20-Valent Pneumococcal Conjugate Vaccine) for Adults Aged 50 and Older pfizer.com
2023-04-27 Pfizer U.S. FDA Approves PREVNAR 20®, Pfizer’s 20-valent Pneumococcal Conjugate Vaccine for Infants and Children pfizer.com
2023-01-06 Pfizer U.S. FDA Accepts for Priority Review the Supplemental Biologics License Application for Pfizer’s 20-Valent Pneumococcal Conjugate Vaccine in Infants and Children pfizer.com
2022-09-19 Pfizer Pfizer Announces Positive Top-Line Results from Phase 3 Study in 20-Valent Pneumococcal Conjugate Vaccine in Infants in the European Union pfizer.com
2022-08-12 Pfizer Pfizer Announces Positive Top-Line Results from Phase 3 Study of 20-Valent Pneumococcal Conjugate Vaccine in Infants pfizer.com
2022-02-15 Pfizer European Medicines Agency Approves Pfizer’s 20-Valent Pneumococcal Conjugate Vaccine Against Invasive Pneumococcal Disease and Pneumonia in Adults pfizer.com
2021-12-17 Pfizer CHMP Issues Positive Opinion for Pfizer’s 20-Valent Pneumococcal Conjugate Vaccine for the Prevention of Vaccine-Type Pneumococcal Pneumonia in Adults pfizer.com
2021-05-24 Pfizer Pfizer Initiates Study Exploring Coadministration of Its 20-valent Pneumococcal Conjugate Vaccine Candidate Along With a Third Dose of the Pfizer-BioNTech COVID-19 Vaccine in Older Adults pfizer.com
2021-02-26 Pfizer European Medicines Agency Accepts Pfizer’s Marketing Authorization Application for Its Investigational 20-valent Pneumococcal Conjugate Vaccine for Adults 18 Years of Age or Older pfizer.com
2020-12-08 Pfizer U.S. FDA Accepts for Priority Review the Biologics License Application for Pfizer’s Investigational 20-valent Pneumococcal Conjugate Vaccine for Adults 18 Years of Age and Older pfizer.com
2020-10-21 Pfizer Data From Pfizer’s Adult and Pediatric Clinical Trial Programs for 20-Valent Pneumococcal Conjugate Vaccine Presented at IDWeek 2020 pfizer.com
2020-05-14 Pfizer Pfizer Announces Positive Top-Line Results From Phase 3 Lot Consistency Study of 20-Valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-Naive Adults 18 Through 49 Years of Age pfizer.com

Evidence & citations 7 cited values

Every value below carries the sentence it was read from. 15 sources stand behind the page.

FieldValueCited text
Known as 20-valent pneumococcal conjugate vaccine ClinicalTrials.gov intervention name — accepted as the source's own label NCT05408429
9

NCT07135427

NCT05512819

NCT05875727

NCT04530838

NCT04382326

NCT04379713

NCT06524414

NCT07086677

NCT04546425

Known as 20-valent PCV “This phase 3, single-arm study evaluated the safety and immunogenicity of 20-valent PCV (PCV20) in adults ≥18 y of age in India.” PMID 41504209 Jan 2026
Known as 20vPnC “The purpose of this study is to understand the safety and effects of a study vaccine (20vPnC) in toddlers who had 2 prior doses of Prevnar 13.” NCT05408429
3

“The purpose of this study is to understand the safety and effects of a study vaccine (20vPnC) in infants and toddlers.” NCT05512819

“Participants will receive a single dose of study vaccine (20vPnC) into the arm at visit 1” NCT05875727

“20-valent pneumococcal conjugate vaccine (20vPnC)” NCT06524414

Known as PCV20 “This phase 3, randomized, partially double-blind study investigated the safety, tolerability, and immunogenicity of 20-valent pneumococcal conjugate vaccine (PCV20) in healthy...” PMID 40081152 Mar 2025
5

“This phase 3, double-blind study randomized healthy Japanese infants to receive 4 doses (3 infant doses, 1 toddler dose) of PCV20 by subcutaneous (SC) or intramuscular (IM)...” PMID 38242195 Jan 2024

“The 20-valent pneumococcal conjugate vaccine (PCV20) was developed to extend pneumococcal disease protection beyond 13-valent PCV (PCV13).” PMID 38535409 Mar 2024

“This phase 3, single-arm study evaluated the safety and immunogenicity of 20-valent PCV (PCV20) in adults ≥18 y of age in India.” PMID 41504209 Jan 2026

“Here, we describe the safety and immunogenicity of routinely recommended pediatric vaccines given with 20-valent-PCV (PCV20).” PMID 41187484 Nov 2025

“the 20-valent pneumococcal conjugate vaccine (PCV20, Pfizer)” NCT07135427

Modality Vaccine “20-valent pneumococcal conjugate vaccineNCT04379713
Route Intramuscular “20-valent pneumococcal conjugate vaccine administered by subcutaneous injection (SC)” NCT04530838
Route Subcutaneous “20-valent pneumococcal conjugate vaccine administered by subcutaneous injection (SC)” NCT04530838