Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Adolescent Health: early-phase trial registry
2 of 4 indexed Adolescent Health trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #4,115 of 28,707 conditions by registered trial count.
4 US clinical trials · 2 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Adolescent Health: 4 US clinical trials tracked, 2 recruiting.
Adolescent Health is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 0 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is National Institute of Environmental Health Sciences (NIEHS), running 1 of these trials.
Enrollment posture brief
Registry condition adolescent-health
OPEN 2 | RECR 50% | LATE 0 | EARLY 1 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Adolescent Health lists 2 open slots (50% 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 Adolescent Health 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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Adolescent Health is recruiting above its size-band peers.
2 of 4 indexed trials (50%) 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
Reproductive Axis Maturation in the Early Post-Menarchal Years
National Institute of Environmental Health Sciences (NIEHS)
NCT03986021
Health Without Barriers/Salud Sin Barreras- Northern Colorado
Colorado State University
NCT06822387
State Immunization Information Systems to Improve HPV Vaccination Rates
University of Colorado, Denver
NCT02993965
Reducing Health Risk Behavior and Improving Health in Adolescents With Depression
University of California, Los Angeles
NCT00461539
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Adolescent Health records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Adolescent Health 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 Adolescent Health page
4 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Adolescent Health trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- National Institute of Environmental Health Sciences (NIEHS) sponsors the most Adolescent Health trials on record, review their full trial history before evaluating a specific study. See National Institute of Environmental Health Sciences (NIEHS)'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 Adolescent Health condition card totals 4 registered trials; most-linked intervention Behavioral health intervention; top US site state Colorado. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.