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Phase 1Data readout

VAX-A1 (Protein Vaccine)

Group A Streptococcal Infection

PCVXVaxcyte
Expected catalystDecember 31, 2027Company guidance: Dec 31, 2027

Catalyst overview

Event details

Drug or asset
VAX-A1 (Protein Vaccine)
Development stage
Phase 1
Event type
Data readout
Indication
Group A Streptococcal Infection

Research summary

What is being tracked?

This catalyst tracks a Phase 1 data readout for VAX-A1 (Protein Vaccine) in Group A Streptococcal Infection. The expected timing is based on the latest available company guidance and may change.

Development notes

02/24/26:- Plan to initiate adult Ph1 VAX-A1 safety and tolerability trial in Australia during 2026. 05/06/26:- Plan refined to initiate adult Phase 1 VAX-A1 trial in Australia in mid-2026. 06/02/26:- First participant dosed in adult Ph1 NCT07616934. Topline data expected H2 2027. 08/05/26:- All Stage 1 participants received first dose. Ph1 topline data H2 2027.

Verification

Primary source

Confirm timing and program details against the company announcement or filing.

Open source

More from PCVX

Related pipeline programs

Phase 3

VAX-31

Infectious disease, Invasive pneumococcal disease, Vaccine

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Phase 2

VAX-31 (PCV Infant)

Invasive pneumococcal disease

View company pipeline

Company

Vaxcyte

PCVX · NasdaqGS
Industry
Biotechnology
Pipeline assets
4
View PCVX research

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Updated Aug 23, 2026. Dates can change; this is not investment advice.

Disclaimer: Biotech Stock Intel is an independent research platform. Information is provided for informational purposes only and is not investment or medical advice. Always verify catalyst dates against primary sources and conduct your own research.
Biotech Stock Intel© 2026 Biotech Stock Intel
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