1300 Participants Needed

VAX-31 + Influenza Vaccine for Pneumonia

Recruiting at 24 trial locations
CD
Overseen ByClinical Development
No Placebo GroupAll trial participants will receive the active study treatment (no placebo)
Pivotal Trial (Near Approval)This treatment is in the last trial phase before FDA approval
Prior Safety DataThis treatment has passed at least one previous human trial

What You Need to Know Before You Apply

What is the purpose of this trial?

This is a Phase 3, randomized, double-blind study to evaluate the safety and immunogenicity of VAX-31 and seasonal influenza vaccine in pneumococcal-naïve adults ≥ 50 years when the two vaccines are administered at the same visit or separately.

Are You a Good Fit for This Trial?

Adults aged 50 or older who are in good health or have stable chronic conditions can join this trial. They must be willing to give blood samples, use Wi-Fi or cellular devices for an eDiary, and follow up for 7 months. Women of childbearing age need a negative pregnancy test and must agree to contraception; men with such partners should also practice contraception.

Inclusion Criteria

I am willing to give blood for research.
I am 50 years old or older.
I can attend all follow-up visits for 7 months after my first vaccine dose.
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Timeline for a Trial Participant

Screening

Participants are screened for eligibility to participate in the trial

2-4 weeks

Treatment

Participants receive a single dose of VAX-31 and seasonal influenza vaccine at Day 1, followed by placebo or VAX-31 at Month 1

1 month
2 visits (in-person)

Follow-up

Participants are monitored for safety and immunogenicity after receiving the vaccines

4 weeks

What Are the Treatments Tested in This Trial?

Interventions

  • VAX-31

Trial Overview

The study is testing the safety and immune response when giving VAX-31 (a pneumococcal vaccine) alongside a seasonal flu shot compared to separate administrations in adults over 50 who haven't had pneumococcal vaccines before.

How Is the Trial Designed?

2

Treatment groups

Experimental Treatment

Group I: VAX-31 + SIVExperimental Treatment3 Interventions
Group II: Placebo + SIVExperimental Treatment3 Interventions

Find a Clinic Near You

Who Is Running the Clinical Trial?

Vaxcyte, Inc.

Lead Sponsor

Trials
5
Recruited
3,700+