Drugs / VAX-31
last change Mar 2026 re-read 2 minutes ago

VAX-31

Vaccine

Investigated by
Vaxcyte, Inc.

Trials 5 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 1/21 trial
Phase 1/2 NCT06151288 Nov 2023 → Jul 2024 Vaxcyte, Inc. Completed No outcome recorded
Phase 21 trial
Phase 2 NCT06720038 Nov 2024 → Dec 2027 expected Vaxcyte, Inc. Active not recruiting No outcome recorded
Phase 33 trials
Phase 3 NCT07425392 Feb 2026 → Mar 2027 expected Vaxcyte, Inc. Active not recruiting No outcome recorded
Phase 3 NCT07365826 Jan 2026 → Mar 2027 expected Vaxcyte, Inc. Active not recruiting No outcome recorded
Phase 3 NCT07284654 Dec 2025 → Jan 2027 expected Vaxcyte, Inc. Active not recruiting No outcome recorded

Evidence & citations 3 cited values

Every value below carries the sentence it was read from. 5 sources stand behind the page.

FieldValueCited text
Known as VAX-31 “Safety, tolerability, and immunogenicity of a 31-valent pneumococcal conjugate vaccine (VAX-31) in healthy adults aged 50 years and older from the USA: a phase 1/2,...” PMID 41864214 Mar 2026
4

“Participants will receive a single dose of VAX-31 administered as an intramuscular injection at Day 1” NCT07365826

“Participants will receive a single dose of VAX-31 administered via intramuscular injection at Day 1” NCT07425392

“0.5 mL of VAX-31 will be administered into the deltoid muscle” NCT07284654

NCT06720038

Modality Vaccine “VAX-31, a 31-valent PCV candidate designed to provide broad serotype coverage and higher immunogenicity.” PMID 41864214 Mar 2026
Route Intramuscular “Participants were block randomised (1:1:1:1) using a web-based randomisation and trial management system to receive a dose of intramuscular low-dose, mid-dose, or high-dose...” PMID 41864214 Mar 2026