Disease

Crigler-Najjar syndrome1, 2, 3

Gene

UGT1A1

Inheritance AR
Current Treatments phototherapy, plasmapheresis, enzyme-inducing agents (phenobarbital), bilirubin-binding agents (calcium phosphate, orlistat), choleretics (ursodeoxycholic acid), heme-oxygenase inhibitors (Tin-protoporphyrin, Zinc-protoporphyrin), liver transplantation
Evidence for Treatment expert opinion
Non-Molecular Testing Availability yes
Non-Molecular Test serum conjugated and unconjugated bilirubin1
Disease Frequency (per 100,000) 0.1174
Genes Included in Disease Frequency UGT1A1
Experimental / Investigational Therapies https://clinicaltrials.gov/ct2/results?cond=Crigler-Najjar+Syndrome&term=&cntry=&state=&city=&dist=
Last Updated: March 5, 2026
RX Genes
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