Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Polio: later-stage trial registry
A small indexed set (3 trials) with no open enrollment listed right now.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · none currently recruiting · #5,209 of 28,707 conditions by registered trial count
Polio: 3 US clinical trials tracked, none currently recruiting.
Polio is the subject of 3 registered US clinical trials on ClinicalTrials.gov, none currently recruiting. 3 are in Phase 3-4 (later-stage) and 0 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 polio
OPEN 0 | RECR 0% | LATE 3 | EARLY 0 | RANK #5209 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Accelerated Phase Chronic Myelogenous Leukemia (0% recruiting · 12 trials)
Polio has no open enrollment in this registry pull (3 archived studies). Peers show how other volume-matched labels compare on open share. How peer matching works →
Key findings
What ClinicalTrials.gov does not surface for Polio 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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Polio is recruiting below its size-band peers.
0 of 3 indexed trials (0%) 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.
Indexed trials (enrollment closed)
3 total, page 1 of 1
Study of DTap-IPV Compared to DAPTACEL® and IPOL® as the 5th Dose in Children 4 to 6 Years of Age
Sanofi Pasteur, a Sanofi Company
NCT01346293
Study of the Safety, Immunogenicity and Lot Comparability of DAPTACEL When Administered With Other Recommended Vaccine
Sanofi
NCT00662870
Study of DAPTACEL® Administered as a 5th Dose in 4 to 6-Year-Old Children Previously Immunized With PENTACEL™
Sanofi Pasteur, a Sanofi Company
NCT00802867
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 2 |
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Polio records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Polio 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 Polio page
3 registered trials, 0 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- No Polio trials are currently recruiting in this registry; that can change as new trials post, or check the broader research index. Browse research indexes
- Sanofi Pasteur, a Sanofi Company sponsors the most Polio 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 Polio condition card totals 3 registered trials; most-linked intervention Diphtheria and Tetanus Toxoids and Acellular Pertussis + Poliovirus + MMR + Varicella Virus; top US site state Georgia. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.