Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Tetrology of Fallot: early-phase trial registry
1 of 4 indexed Tetrology of Fallot 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 · 1 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Tetrology of Fallot: 4 US clinical trials tracked, 1 recruiting.
Tetrology of Fallot is the subject of 4 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 Athena Zuppa, running 1 of these trials.
Enrollment posture brief
Registry condition tetrology-of-fallot
OPEN 1 | RECR 25% | LATE 0 | EARLY 1 | RANK #4115 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Abdominal Cancer (25% recruiting · 8 trials)
Tetrology of Fallot lists 1 open slots (25% 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 Tetrology of Fallot 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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Tetrology of Fallot is recruiting below its size-band peers.
1 of 4 indexed trials (25%) 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
MASA Valve Early Feasibility Study
PECA Labs
NCT05452720
Harmony TPV Post-Approval Study
Medtronic Cardiovascular
NCT05077774
The Medtronic Harmony™ Transcatheter Pulmonary Valve Clinical Study
Medtronic Heart Valves
NCT02979587
Understanding Dexmedetomidine in Neonates After Open Heart Surgery
Athena Zuppa
NCT00576381
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 1 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Tetrology of Fallot records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Tetrology of Fallot 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 Tetrology of Fallot page
4 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Tetrology of Fallot trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Athena Zuppa sponsors the most Tetrology of Fallot trials on record, review their full trial history before evaluating a specific study. See Athena Zuppa'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 Tetrology of Fallot condition card totals 4 registered trials; most-linked intervention Harmony TPV System; top US site state Pennsylvania. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.