Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Head Lice: early-phase trial registry
1 of 6 indexed Head Lice trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #2,866 of 28,707 conditions by registered trial count.
6 US clinical trials · 1 currently recruiting · #2,866 of 28,707 conditions by registered trial count
Head Lice: 6 US clinical trials tracked, 1 recruiting.
Head Lice is the subject of 6 registered US clinical trials on ClinicalTrials.gov, 1 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 3 in Phase 1-2 (earlier-stage). The most active sponsor is Oystershell, running 3 of these trials.
Enrollment posture brief
Registry condition head-lice
OPEN 1 | RECR 17% | LATE 0 | EARLY 3 | RANK #2866 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Acute Renal Failure (17% recruiting · 6 trials)
Head Lice lists 1 open slots (17% of 6 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 Head Lice 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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Head Lice is recruiting below its size-band peers.
1 of 6 indexed trials (16.7%) 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.
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One sponsor concentrates Head Lice research.
Oystershell accounts for 3 of 6 trials (50%). 4 distinct sponsors appear on at least one study for this condition label.
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Most Head Lice trials plan to enrol fewer than 100 people.
Median target enrolment is 86 among the 6 trials that report a genuine target (sentinel values excluded). 5 of those (83.3%) plan for fewer than 100 participants.
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Head Lice research is mostly interventional.
6 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
6 total, page 1 of 1
Safety and Efficacy of Head-lice Treatments Elimax Green Lotion and Walgreens Lice Killing Shampoo
Oystershell
NCT07191457
Study Comparing the Safety and Efficacy of 0.5% Ivermectin Cream to Placebo in Lice Infested Subjects
Topaz Pharmaceuticals
NCT00994422
Pediatric Head Lice Study Product Comparison
Hackensack Meridian Health
NCT02213055
A Clinical Trial to Evaluate Efficacy and Safety of a Water-soluble Head Lice Product.
Oystershell
NCT03617926
A Pilot Dose Ranging Study of Spinosad Creme Rinse
ParaPRO
NCT00858481
Safety and Efficacy Study to Compare a 4% Dimethicone Foam and Nix Cream Rinse (1% Permethrin) in the Control of Head Lice
Oystershell
NCT00672971
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Head Lice records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Head Lice 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 Head Lice page
6 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Head Lice trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Oystershell sponsors the most Head Lice trials on record, review their full trial history before evaluating a specific study. See Oystershell'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 Head Lice condition card totals 6 registered trials; most-linked intervention Spinosad Creme Rinse; top US site state Florida. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.