Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Tetralogy of Fallot (TOF): early-phase trial registry
1 of 3 indexed Tetralogy of Fallot (TOF) 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 · 1 currently recruiting · #5,209 of 28,707 conditions by registered trial count
Tetralogy of Fallot (TOF): 3 US clinical trials tracked, 1 recruiting.
Tetralogy of Fallot (TOF) is the subject of 3 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 Leiden University Medical Center, running 1 of these trials.
Enrollment posture brief
Registry condition tetralogy-of-fallot-tof
OPEN 1 | RECR 33% | LATE 0 | EARLY 1 | RANK #5209 | SPON 1
Volume-matched condition peers
Nearest open-share peer: Adherence, Treatment (33% recruiting · 6 trials)
Tetralogy of Fallot (TOF) 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 Tetralogy of Fallot (TOF) 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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Tetralogy of Fallot (TOF) 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
Adult Congenital Heart Disease International EValuation of the Effectiveness of SGLT2i Registry
Leiden University Medical Center
NCT06932081
Measures to Lower the Stress Response in Pediatric Cardiac Surgery
Nationwide Children's Hospital
NCT00848393
3D Modalities for Medical Student Education of Congenital Heart Disease
Case Western Reserve University
NCT07295730
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Tetralogy of Fallot (TOF) records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Tetralogy of Fallot (TOF) 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 Tetralogy of Fallot (TOF) page
3 registered trials, 1 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 1 Tetralogy of Fallot (TOF) trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Leiden University Medical Center sponsors the most Tetralogy of Fallot (TOF) trials on record, review their full trial history before evaluating a specific study. See Leiden University Medical Center'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 Tetralogy of Fallot (TOF) condition card totals 3 registered trials; most-linked intervention Fentanyl (Low Dose) + Dexmedetomidine; top US site state Ohio. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.