Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Single Ventricle Heart Disease: later-stage trial registry
2 of 5 indexed Single Ventricle Heart Disease trials are currently recruiting, with more weight in Phase 3-4.
Corpus placement: #3,391 of 28,707 conditions by registered trial count.
5 US clinical trials · 2 currently recruiting · #3,391 of 28,707 conditions by registered trial count
Single Ventricle Heart Disease: 5 US clinical trials tracked, 2 recruiting.
Single Ventricle Heart Disease is the subject of 5 registered US clinical trials on ClinicalTrials.gov, 2 of them currently open to new participants. 2 are in Phase 3-4 (later-stage) and 1 in Phase 1-2 (earlier-stage). The most active sponsor is Mezzion Pharma Co., running 2 of these trials.
Enrollment posture brief
Registry condition single-ventricle-heart-disease
OPEN 2 | RECR 40% | LATE 2 | EARLY 1 | RANK #3391 | SPON 2
Volume-matched condition peers
Nearest open-share peer: Achondroplasia (40% recruiting · 10 trials)
Single Ventricle Heart Disease lists 2 open slots (40% of 5 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 Single Ventricle Heart Disease 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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Single Ventricle Heart Disease is recruiting below its size-band peers.
2 of 5 indexed trials (40%) 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.
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One sponsor concentrates Single Ventricle Heart Disease research.
Mezzion Pharma Co. accounts for 2 of 5 trials (40%). 4 distinct sponsors appear on at least one study for this condition label.
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Most Single Ventricle Heart Disease trials plan to enrol fewer than 100 people.
Median target enrolment is 30 among the 5 trials that report a genuine target (sentinel values excluded). 3 of those (60%) plan for fewer than 100 participants.
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Single Ventricle Heart Disease research is mostly interventional.
5 interventional and 0 observational studies make up this index (100% interventional). Study type is sponsor-reported on ClinicalTrials.gov.
Open and recent trials
5 total, page 1 of 1
Fontan Udenafil Exercise Longitudinal Assessment Trial - 2
Mezzion Pharma Co.
NCT05918211
CAMEO-FONTAN -Dapagliflozin in the Failing Fontan Circulation
Mayo Clinic
NCT06762964
WE BEAT - HEART Club Fontan Wellness Project: A Virtual Resilience Promotion and Frailty Prevention Program
University of Michigan
NCT05199857
Fontan Udenafil Exercise Longitudinal Assessment Trial
Mezzion Pharma Co.
NCT02741115
Cognitive Intervention to Improve Working Memory
University of California, Los Angeles
NCT03687008
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
| Phase 3 | 2 |
Top Sponsors
Named interventions
Most-linked intervention names on Single Ventricle Heart Disease records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Single Ventricle Heart Disease 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 Single Ventricle Heart Disease page
5 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Single Ventricle Heart Disease trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Mezzion Pharma Co. sponsors the most Single Ventricle Heart Disease trials on record, review their full trial history before evaluating a specific study. See Mezzion Pharma Co.'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 Single Ventricle Heart Disease condition card totals 5 registered trials; most-linked intervention Udenafil; top US site state Michigan. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.