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Clinical Practice Observation on Diagnosis and Treatment of Neonatal Hyperammonemia

Clinical Practice Observation on Diagnosis and Treatment of Neonatal Hyperammonemia - A Multicenter Real-World Observational Study

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500113766
Enrollment
Unknown
Registered
2025-12-03
Start date
2025-12-15
Completion date
Unknown
Last updated
2025-12-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neonatal hyperammonemia secondary to organic acidemia

Interventions

Control group:None
Carglumic acid group:None

Sponsors

Children's Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
No minimum to 1 Years

Inclusion criteria

Inclusion criteria: 1. 0-28 days after birth; 2. Blood ammonia >100µmol/L before treatment, accompanied by hyperammonemia-related clinical manifestations, such as drowsiness, irritability, underreaction, convulsion, coma, changes in muscle tension, abnormal body temperature, abnormal breathing (shortness of breath, apnea, respiratory rhythm change, etc.), refusal to feed or feeding difficulties, vomiting, arrhythmia, etc. 3. Informed consent was obtained from parents;

Exclusion criteria

Exclusion criteria: 1.Patients with pre-existing diagnosis of known ammonia metabolism disorders (other than methylmalonic acidemia, propionic acidemia, isovaleric acidemia, or N-acetylglutamate synthase deficiency) prior to hyperammonemia onset, such as arginase deficiency. 2.Incomplete documentation of therapeutic parameters including: Pharmacological dosage regimens Treatment duration; 3.Parent/guardian-initiated withdrawal from the study.

Design outcomes

Primary

MeasureTime frame
Rate of blood ammonia reduction(4-6h);

Secondary

MeasureTime frame
Improvement of clinical symptoms;

Countries

China

Contacts

Public ContactShi Yuan; Dong Wenhui

Children's Hospital of Chongqing Medical University

376561086@qq.com+86 23 63870337

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026