NCT07425392 31 Valent Pneumococcal Conjugate Vaccine(Vaxcyte) Pneumococcal Infections Clinical Landscape Report 2026: Design, Endpoints, Sponsor and Readout Outlook
Turn a newly registered trial into a decision-ready clinical landscape. This report examines NCT07425392 using PatSnap Clinical Trials MCP for protocol design and endpoint evidence, with Drug & Asset MCP and Company & Deal Intelligence MCP used as the companion asset and sponsor enrichment workflow. Explore PatSnap MCP Servers to reproduce the research sequence inside an AI workflow.
MCP evidence snapshot: 24 August 2026. Trial records, recruitment status and projected dates can change after the snapshot and should be rechecked before operational decisions.
Why NCT07425392 is a hot trial to watch
Pneumococcal Infections is being segmented by mechanism, treatment setting, geography and endpoint architecture. NCT07425392 is notable because it evaluates 31 Valent Pneumococcal Conjugate Vaccine(Vaxcyte) in a Phase 3 design sponsored by Vaxcyte, Inc.. The main development question is whether the protocol can translate its rationale into a clinically interpretable and operationally credible readout.
Trial landscape snapshot
| Field | Indexed detail |
|---|---|
| Registration | NCT07425392 |
| Official title | Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Prior Pneumococcal Vaccination |
| Phase / status | Phase 3 / Active, not recruiting |
| Intervention | 31 Valent Pneumococcal Conjugate Vaccine(Vaxcyte) |
| Sponsor | Vaxcyte, Inc. |
| Geography | United States |
| Enrollment | [object Object] |
| Primary endpoint | Serotype-specific OPA geometric mean titers (GMT) |
| Endpoint time frame | 1 month after VAX-31 vaccination |
| Primary completion / readout proxy | [object Object] |
Protocol design and endpoint interpretation
The study will evaluate the safety, tolerability, and immunogenicity of VAX-31 in adults ≥50 years of age.
Allocation is Randomized, masking is Quadruple, and the intervention model is Parallel Assignment. Planned enrollment of [object Object] participants across United States shapes statistical precision, execution risk and external validity. Interpretation should account for baseline risk, prior therapy, assessment schedule, missing-data handling and clinical relevance—not only statistical significance.
- Serotype-specific OPA geometric mean titers (GMT) (1 month after VAX-31 vaccination)
- Serotype-specific OPA geometric mean fold rise (GMFR) from baseline (1 month after VAX-31 vaccination)
- Percentage of subjects reporting solicited local adverse events (AE) (redness, swelling, and pain at injection site) (up to 7 days after vaccination)
- Percentage of subjects reporting solicited systemic AE (fever, headache, fatigue, muscle pain, and joint pain) (up to 7 days after vaccination)
Readout outlook and evidence gap
The current protocol points to [object Object] as the best available readout proxy. Because this is an active or newly posted study, a trial-specific result citation is not included until a normalized clinical-trial-result record becomes available. That gap is itself operationally important: teams should monitor first result indexing, conference abstracts, protocol amendments and changes to the primary-completion date.
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Asset and sponsor context
Drug & Asset MCP profile: 31 Valent Pneumococcal Conjugate Vaccine(Vaxcyte) is indexed as No normalized modality returned, with target No normalized target returned, mechanism No normalized mechanism returned, and global highest development status No normalized global status returned.
Company & Deal Intelligence MCP profile: Vaxcyte, Inc. is resolved to a normalized organization record in SAN MATEO COUNTY, United States. The organization workflow adds identity, location, portfolio and partnering context where available.
The sponsor profile matters because scientific rationale alone does not determine development value. Manufacturing readiness, portfolio fit, geographic reach, partnering capacity and the ability to fund confirmatory development can determine whether a positive signal becomes a competitive asset.
White space around this program
- Sharper patient selection: prospective biomarker or phenotype definitions that identify who is most likely to benefit.
- Clinically interpretable endpoints: outcomes connecting activity with function, symptoms, survival or treatment burden.
- Comparator relevance: evidence against the most decision-relevant contemporary standard of care.
- Broader external validity: evidence across additional geographies, demographic groups and real-world settings.
- Operational differentiation: a development path that closes the readout gap without sacrificing safety or durability.
What to monitor next
Monitor recruitment, enrollment changes, protocol amendments, endpoint hierarchy, primary-completion timing, first result indexing, asset ownership and sponsor partnerships. A change in endpoint, population or ownership can alter the probability of success before a headline data release.
Bottom line
NCT07425392 provides a focused lens on Pneumococcal Infections development. Its value will be determined by whether 31 Valent Pneumococcal Conjugate Vaccine(Vaxcyte) can convert the current Phase 3 design into evidence that is clinically meaningful, operationally credible and differentiated from competing programs.
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