Abstract

Sodium phenobarbital and various hormones, compounds capable of hepatic enzyme induction, were given to an infant boy with congenital, nonhemolytic, unconjugated, hyperbilirubinemia and severe kernicterus for prolonged periods between the ages of 2 and 25 months to determine their effect on serum bilirubin concentrations. Phenobarbital, 5 mg/day orally, on two occasions decreased serum bilirubin concentrations approximately threefold over a period of 30 days. Withdrawal of phenobarbital after the first study resulted in a gradual (30 days) return of serum bilirubin to pretreatment levels. The lower serum bilirubin concentrations observed when phenobarbital therapy was reinstituted were maintained for 61 days on 2.5 mg/kg per day of the drug. Orally administered L-triiodothyronine, 0.05-0.1 mg/day for 71 days, intramuscular human growth hormone, 1 mg/day for 21 days, and testosterone propionate, 0.1 mg/day for 9 days, did not decrease serum bilirubin levels below lowest control values of 18 mg/100 ml.

Authors

John F. Crigler Jr., Norman I. Gold

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