Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Pneumococcal Immunization: later-stage trial registry
1 of 4 indexed Pneumococcal Immunization trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Pneumococcal Immunization: 4 US clinical trials tracked, 1 recruiting.
Pneumococcal Immunization is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 3 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Sanofi Pasteur, a Sanofi Company, running 2 of these trials.
Enrollment posture brief
Registry condition pneumococcal-immunization
OPEN 1 | RECR 25% | LATE 3 | EARLY 1 | RANK #4115 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)
Pneumococcal Immunization lists 1 open slots (25% of 4 indexed trials). Peers are matched on registered volume, not therapeutic-area browse lists. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Pneumococcal Immunization on its own pages , computed from the registry mirror as of 2026-08-08. Each line carries its own denominator so it can be quoted as it stands.
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Pneumococcal Immunization is recruiting below its size-band peers.
1 of 4 indexed trials (25%) are open to enrollment, against a 46.5% average across 27,806 conditions with fewer than 20 trials. The peer set uses the same ClinicalTrials.gov-derived counts as this page.
Open and recent trials
4 total, page 1 of 1
Study of the Safety of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Sanofi
NCT06824194
Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Sanofi Pasteur, a Sanofi Company
NCT06736041
Study of Mixed Vaccination Schedules With a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age
Sanofi
NCT06824181
Safety and Immunogenicity of a Pneumococcal Conjugate Vaccine Candidate in Healthy Adults (19-49 Years)
Sanofi Pasteur, a Sanofi Company
NCT06698198
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
| Phase 3 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Pneumococcal Immunization records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Pneumococcal Immunization trials. A trial with sites in several states counts in each.
Source: ClinicalTrials.gov, National Library of Medicine. Data is informational only.
Related
What to do with this Pneumococcal Immunization page
4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Pneumococcal Immunization trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Sanofi Pasteur, a Sanofi Company sponsors the most Pneumococcal Immunization trials on record, review their full trial history before evaluating a specific study. See Sanofi Pasteur, a Sanofi Company's trials
- Bring the specific trial ID (NCT number) to your own doctor before enrolling, this page is a directory, not medical guidance. Read the trial-finding guide
Trial and recruiting counts reflect ClinicalTrials.gov registry status as of the data vintage above; individual trial eligibility and enrollment status can change.
Every figure on PlainTrial is rendered directly from the ClinicalTrials.gov registry, no number is typed in by an editor. This Pneumococcal Immunization condition card totals 4 registered trials; most-linked intervention RotaTeq; top US site state California. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.