Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
ERBB2 Altered Breast Cancer: early-phase trial registry
1 of 1 indexed ERBB2 Altered Breast Cancer trials are currently recruiting, with more weight in Phase 1-2.
Corpus placement: #11,370 of 28,707 conditions by registered trial count.
1 US clinical trials · 1 currently recruiting · #11,370 of 28,707 conditions by registered trial count
ERBB2 Altered Breast Cancer: 1 US clinical trial tracked, 1 recruiting.
ERBB2 Altered Breast Cancer is the subject of 1 registered US clinical trials on ClinicalTrials.gov, 1 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 Cogent Biosciences, running 1 of these trials.
Enrollment posture brief
Registry condition erbb2-altered-breast-cancer
OPEN 1 | RECR 100% | LATE 0 | EARLY 1 | RANK #11370 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Aortic Arch Aneurysm (100% recruiting · 5 trials)
ERBB2 Altered Breast Cancer lists 1 open slots (100% of 1 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 ERBB2 Altered Breast Cancer 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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ERBB2 Altered Breast Cancer is recruiting above its size-band peers.
1 of 1 indexed trials (100%) 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
1 total, page 1 of 1
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on ERBB2 Altered Breast Cancer records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on ERBB2 Altered Breast Cancer 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 ERBB2 Altered Breast Cancer page
1 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 ERBB2 Altered Breast Cancer trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Cogent Biosciences sponsors the most ERBB2 Altered Breast Cancer trials on record, review their full trial history before evaluating a specific study. See Cogent Biosciences'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 ERBB2 Altered Breast Cancer condition card totals 1 registered trials; most-linked intervention CGT4255; top US site state Virginia. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.