Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Birth Defect: later-stage trial registry
1 of 3 indexed Birth Defect 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 · 1 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Birth Defect: 3 US clinical trials tracked, 1 recruiting.
Birth Defect is the subject of 3 registered US clinical trials on ClinicalTrials.gov, 1 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 Heartland Health Research Alliance, running 1 of these trials.
Enrollment posture brief
Registry condition birth-defect
OPEN 1 | RECR 33% | LATE 1 | EARLY 0 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Birth Defect lists 1 open slots (33% 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 Birth Defect 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.
-
Birth Defect is recruiting below its size-band peers.
1 of 3 indexed trials (33.3%) 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
The Heartland Study
Heartland Health Research Alliance
NCT05492708
Hydrops: Diagnosing & Redefining Outcomes With Precision Study
University of California, San Francisco
NCT03412760
Evaluation of Trigeminal Nerve Blockade
University of Florida
NCT03632044
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 4 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Birth Defect records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Birth Defect 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 Birth Defect page
3 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Birth Defect trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Heartland Health Research Alliance sponsors the most Birth Defect trials on record, review their full trial history before evaluating a specific study. See Heartland Health Research Alliance'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 Birth Defect condition card totals 3 registered trials; most-linked intervention Exome sequencing; top US site state Wisconsin. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.