Crigler-Najjar syndrome
Synonyms: Bilirubin uridinediphosphate glucuronosyltransferase deficiency | Bilirubin-UGT deficiency
A rare hereditary disorder of bilirubin metabolism characterized by unconjugated hyperbilirubinemia due to a either a complete (type 1) or partial and inducible (type 2) hepatic deficit of UDP-glucuronosyltransferase 1A1 activity. The disorder manifests with neonatal jaundice with a risk of developing bilirubin encephalopathy.
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
Newly diagnosed with
Crigler-Najjar syndrome?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Advocacy Organizations
Global Liver Institute
To improve the lives of individuals and families impacted by liver disease through promoting innovation, encouraging collaboration, and scaling optimal approaches to help eradicate liver diseases.
Help Hope Live
Help Hope Live assists individuals living with catastrophic injuries and illnesses to fundraise toward their medical expenses and related costs.
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).
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.