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Carglumic Acid Administration for OTC Deficienscy

A Clinical Study of Carglumic Acid in Patients with Late-Onset Ornithine Transcarbamylase Deficiency

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
JPRN
Registry ID
JPRN-jRCTs041190055
Enrollment
2
Registered
2019-07-24
Start date
2019-07-24
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

ornitine transcarbamylase deficiency patients

Interventions

administraton of carglumic acid
ornitine transcarbamylase deficiency, carglumic acid

Sponsors

Ito Tetsuya
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Chronic phase patients with genetically diagnosed ornitine transcarbamylase (OTC) deficiency. 2. Patients with the blood ammonia levels>60ug/dL(neonate:>200ug/dL, infant:>100ug/dL) under the treatment with Low-protain daiet, phenylbutyrate and citrurine administration. Or patients whoes blood ammonia level was two times higher than the average of before 6 months at outpatients clinic. 3. Male and female, below 75 years old at informed concent is obtained. 4. Patients who obtained written informed consent form the patient or legal representative.

Exclusion criteria

Exclusion criteria: 1. Other types of urea cycle disorders or patients with organic acidemias. 2. Hyperammonemia due to acquired amino acid metabolism abnormality such as vilal hepatites, port-systemic shunt, biliary atresia or hepatic failure. 3. Completely defected patients of OTC activity. 4. Liver transplanted patients. 5. Patients who reseved dialysis within two days before the treatment. 6. Past histry of symptomatic worsening after drug administration, occurrence of adverse event or hypersensitivity. 7. Patients with severe hepatic, renal or cardiac disease 8. Patients who is pregnant or may be pregnant, or lactating. 9. Patients with drug hypersensitivity. 10. Patients who are involved in other clinical trials or had been involved within the last 3 months. 11. Patients who are determined as disqualified by attending physician.

Design outcomes

Primary

MeasureTime frame
change of blood glutamine levels

Secondary

MeasureTime frame
change of daily protein intake

Contacts

Public ContactTetsuya Ito

Fujita Health University Hospital

itotetsu@fujita-hu.ac.jp+81-562-93-9251

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026