Argininosuccinic aciduria
Synonyms: ASA deficiency | ASL deficiency | Argininosuccinase deficiency | Argininosuccinatelyase deficiency | Argininosuccinic acid lyase deficiency
A rare genetic disorder of urea cycle metabolism typically characterized by either a severe neonatal-onset form that manifests with hyperammonemia accompanied with vomiting hypothermia lethargy and poor feeding in the first few days of life or late-onset forms that manifest with stress- or infection-induced episodic hyperammonemia or in some behavioral abnormalities and/or learning disabilities or chronic liver disease. Patients often manifest liver dysfunction.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Reference: Access aggregated data from Orphanet at Orphadata.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http://www.orphadata.org. Data version December 2023
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Argininosuccinic aciduria?
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Advocacy Organizations
COMBINEDBrain Inc
COMBINEDBrain is a consortium for outcome measures and biomarkers for neurodevelopmental disorders. We are collaborating to cure rare, non-verbal brain disorders.
DDX3X Foundation
Our mission is to connect families, resources, and the medical community to advance research for a treatment or cure to DDX3X Syndrome. Our ultimate goal is to accelerate brain function in individuals affected by DDX3X Syndrome through advances in cell and gene therapy and pharmaceuticals.
Louisiana Metabolic Disorders Coalition
We support, educate, and advocate for patients & families affected by metabolic disorders.
Mississippi Metabolics Foundation
Mississippi Metabolics Foundation (MMF) was founded to raise awareness, educate, and provide support to those living or caring for someone with genetic metabolic disorders/inborn errors of metabolism (IEM).
Moonshots for Unicorns
Curing single-gene disorders
Project CASK
To fund research for treatment and/or a cure for CASK Gene Disorder
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
Clinical Trials
For a list of clinical trials in this disease area, please click here.