Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Syphilis Infection: later-stage trial registry
2 of 3 indexed Syphilis Infection trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #5,209 of 28,707 conditions by registered trial count.
3 US clinical trials · 2 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Syphilis Infection: 3 US clinical trials tracked, 2 recruiting.
Syphilis Infection is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 1 are in Phase 3-4 (later-stage) and 0 in Phase 1-2 (earlier-stage). The most active sponsor is NOWDiagnostics, running 1 of these trials.
Enrollment posture brief
Registry condition syphilis-infection
OPEN 2 | RECR 67% | LATE 1 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Syphilis Infection lists 2 open slots (67% of 3 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 Syphilis Infection 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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Syphilis Infection is recruiting above its size-band peers.
2 of 3 indexed trials (66.7%) 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
3 total, page 1 of 1
This Study Evaluates the ALPCO Syphilis-T and Syphilis-NT CLIA Kits for Detecting Syphilis Antibodies in Serum and Plasma. Samples From At-risk, HIV-positive, Pregnant, and Healthy Individuals Will Assess Assay Performance Versus Established Comparator Tests.
American Laboratory Products Company
NCT07089836
LIMIT Trial - Lidocaine With Intramuscular Injection of Benzathine Penicillin G for Treponema Pallidum Treatment
Washington University School of Medicine
NCT06391125
NOWDx Test for the Diagnosis of Syphilis
NOWDiagnostics
NCT05063344
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 3 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Syphilis Infection records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Syphilis Infection 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 Syphilis Infection page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Syphilis Infection trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- NOWDiagnostics sponsors the most Syphilis Infection trials on record, review their full trial history before evaluating a specific study. See NOWDiagnostics'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 Syphilis Infection condition card totals 3 registered trials; most-linked intervention Diagnostic Test: NOWDx Syphilis Test; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.