Medical Information Only. Consult your healthcare provider before considering clinical trial enrollment.
Argininosuccinic Aciduria: early-phase trial registry
2 of 4 indexed Argininosuccinic Aciduria 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 · 2 currently recruiting · #4,115 of 28,707 conditions by registered trial count
Argininosuccinic Aciduria: 4 US clinical trials tracked, 2 recruiting.
Argininosuccinic Aciduria is the subject of 4 registered US clinical trials on ClinicalTrials.gov, 2 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 Baylor College of Medicine, running 3 of these trials.
Enrollment posture brief
Registry condition argininosuccinic-aciduria
OPEN 2 | RECR 50% | LATE 0 | EARLY 1 | RANK #4115 | SPON 3
Volume-matched condition peers
Nearest open-share peer: Abdominal Aortic Aneurysms (50% recruiting · 6 trials)
Argininosuccinic Aciduria lists 2 open slots (50% 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 Argininosuccinic Aciduria 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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Argininosuccinic Aciduria is recruiting above its size-band peers.
2 of 4 indexed trials (50%) 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
Hepatic Histopathology in Urea Cycle Disorders
Baylor College of Medicine
NCT04908319
Liver Disease in Urea Cycle Disorders
Baylor College of Medicine
NCT04612764
Nitric Oxide Supplementation on Neurocognitive Functions in Patients With ASLD
Baylor College of Medicine
NCT03064048
Arginine and Buphenyl in Patients With Argininosuccinic Aciduria (ASA), a Urea Cycle Disorder
Brendan Lee
NCT00345605
Phase Distribution
| Phase | Trial count |
|---|---|
| Phase 2 | 1 |
Top Sponsors
Named interventions
Most-linked intervention names on Argininosuccinic Aciduria records (sponsor-reported on ClinicalTrials.gov). Counts are trial links, not unique products.
US sites by state
Facility locations filed on Argininosuccinic Aciduria 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 Argininosuccinic Aciduria page
4 registered trials, 2 currently recruiting, is a starting point for a conversation, not a diagnosis or a recommendation.
- 2 Argininosuccinic Aciduria trials are currently recruiting, check eligibility criteria before contacting a site. Browse recruiting trials
- Baylor College of Medicine sponsors the most Argininosuccinic Aciduria trials on record, review their full trial history before evaluating a specific study. See Baylor College of Medicine'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 Argininosuccinic Aciduria condition card totals 4 registered trials; most-linked intervention Sodium Phenylbutyrate; top US site state Texas. See our editorial standards & corrections policy, the methodology behind these numbers, the data changelog, or report a data error.