Vaxcyte
Vaxcyte sponsors 8 registered US clinical trials on ClinicalTrials.gov, 3 of them currently recruiting, and 4 completed. 3 of these trials are in Phase 3-4 (later-stage) and 5 in Phase 1-2 (earlier-stage). The most-studied condition in this pipeline is Pneumococcal Vaccines, with 6 trials.
Trial Pipeline
8 total, page 1 of 1
Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Prior Pneumococcal Vaccination
NCT07425392
A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 With Influenza Vaccine in Adults ≥ 50 Years of Age
NCT07365826
Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Immunobridging to Adults 18-49
NCT07284654
A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 in Healthy Infants
NCT06720038
Safety, Tolerability, and Immunogenicity Study of a 31-Valent Pneumococcal Conjugate Vaccine (VAX-31) in Adults
NCT06151288
Safety, Tolerability, and Immunogenicity of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Healthy Infants
NCT05844423
Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Older Adults
NCT05297578
Safety, Tolerability, and Immunogenicity Study of a 24-Valent Pneumococcal Conjugate Vaccine (VAX-24) in Adults
NCT05266456
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 2 |
| Phase 2 | 3 |
| Phase 3 | 3 |
Therapeutic Areas
What the Pipeline for Vaxcyte Shows
According to the ClinicalTrials.gov registry, Vaxcyte is linked to 8 US clinical trials across every stage of research activity. Of those, 3 studies are currently recruiting, about 38% of the sponsor's indexed portfolio, and 4 are already marked complete, representing roughly 50% of the total.
The phase mix for Vaxcyte reports 3 late-stage studies (Phase 3 and Phase 4 combined) and 5 earlier-phase studies (Phase 1 and Phase 2).
The top therapeutic focus area indexed for Vaxcyte is Pneumococcal Vaccines with 6 linked trials, and 0 other condition areas appear in the top list above.
How to read these pipeline numbers
Recruiting share is one of the more practical signals here: it reflects how much of a sponsor's research is presently open to new participants, while the completed share indicates the depth of finished work that has already contributed registry results. Both counts come directly from the public ClinicalTrials.gov dataset and are refreshed on the registry side; this page mirrors the latest data pull without altering it.
A portfolio weighted toward Phase 3 usually reflects an organization advancing candidates toward regulatory review, where the research centers on comparative efficacy and broader safety across larger populations. A heavier Phase 1 and Phase 2 tilt generally indicates exploratory work, safety, dosing, and early signal detection, and is common among research-forward sponsors that seed many early programs. Phase 4 entries, when present, track interventions already in real-world use and typically focus on long-term safety, effectiveness across subgroups, or formulation comparisons.
That distribution is a quick read of where the organization concentrates its research attention; it does not imply product availability, market share, or any clinical endorsement. All numbers on this page come from ClinicalTrials.gov maintained by the National Library of Medicine, and counts can shift as new studies are registered or existing ones update their status. This information is provided for reference and educational purposes only, not as medical, investment, or regulatory advice, verify current details directly with ClinicalTrials.gov before relying on any figure here.
Read our methodology - how this data is sourced, computed, and verified.
Related
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This page aggregates every registered trial from this sponsor, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.