Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Alopecia Areata (AA): early-phase trial registry
2 of 3 indexed Alopecia Areata (AA) trials are currently recruiting, with more weight in Phase 1-2.
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
Alopecia Areata (AA): 3 US clinical trials tracked, 2 recruiting.
Alopecia Areata (AA) is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 2 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 HCW Biologics, running 1 of these trials.
Enrollment posture brief
Registry condition alopecia-areata-aa
OPEN 2 | RECR 67% | LATE 0 | EARLY 3 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Acute Hypoxemic Respiratory Failure (67% recruiting · 6 trials)
Alopecia Areata (AA) 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 Alopecia Areata (AA) 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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Alopecia Areata (AA) 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
HCW9302 (Interleukin-2 Fusion Protein) for Alopecia Areata
HCW Biologics
NCT07049328
A Clinical Study to Evaluate the Safety, Tolerability, Pharmacokinetics and Preliminary Efficacy of ALD-102 Solution in Subjects With Alopecia Areata
Aldena Therapeutics
NCT06826196
A Study to Evaluate the Safety, Pharmacokinetics and Efficacy of IMG-007 in Adult Alopecia Areata Participants
Inmagene
NCT06060977
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 3 |
Top Sponsors
Named interventions
Most-linked intervention names on Alopecia Areata (AA) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Alopecia Areata (AA) 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 Alopecia Areata (AA) page
3 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Alopecia Areata (AA) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- HCW Biologics sponsors the most Alopecia Areata (AA) trials on record, review their full trial history before evaluating a specific study. See HCW Biologics'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 Alopecia Areata (AA) condition card totals 3 registered trials; most-linked intervention HCW9302, an IL-2 fusion protein; top US site state Washington. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.