Drug Profile

VAX 31

Alternative Names: 31-valent PCV; 31-Valent Pneumococcal Conjugate Vaccine - Vaxcyte; Pneumonococcal conjugate vaccine - Vaxcyte; VAX-31; VAX-XP

Latest Information Update: 28 Dec 2025

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At a glance

Originator Vaxcyte
Class Conjugate vaccines; Pneumococcal vaccines; Protein vaccines; Synthetic vaccines
Mechanism of Action Immunostimulants

Orphan Drug Status

Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

No
New Molecular Entity No

28 Dec 2025 No recent reports of development identified for preclinical development in Otitis-media(Prevention) in USA (IM)
08 Dec 2025 Phase-III clinical trials in Pneumococcal infections (Prevention, In adults, In the elderly, Treatment-naive) in USA (IM)
06 Aug 2025 Vaxcyte plans a pivotal phase III trials for Pneumococcal infections (In adults, Prevention) in fourth quarter of 2025

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