Related Experiment Video
Updated: Aug 4, 2026

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis
Published on: February 10, 2015
Phenobarbital effects in cholestatic liver diseases
Phenobarbital treatment improved bile acid clearance and reduced itching in patients with cholestatic disorders. This suggests phenobarbital may be a beneficial therapy for certain liver conditions.
Area of Science:
- Hepatology
- Pharmacology
Background:
- Cholestatic disorders impair bile acid excretion, leading to liver damage.
- Phenobarbital is a barbiturate with known effects on liver enzymes.
Purpose of the Study:
- To evaluate the efficacy of phenobarbital in treating patients with various cholestatic liver diseases.
- To assess the impact of phenobarbital on liver function tests and clinical symptoms.
Main Methods:
- Fifteen patients with diagnosed cholestatic disorders received phenobarbital for 1-5 months.
- Clinical outcomes, including pruritus, and laboratory parameters (bilirubin, bile acids, BSP, Rose Bengal clearance, cholesterol, alkaline phosphatase, 5'-nucleotidase) were monitored.
Main Results:
- Phenobarbital reduced serum bilirubin and bile acid levels in most patients.
- Hepatic clearance of BSP and Rose Bengal was enhanced, and pruritus improved.
- Alkaline phosphatase and 5'-nucleotidase levels increased, suggesting hepatic origin.
Conclusions:
- Phenobarbital therapy can improve organic anion clearance in patients with cholestatic disorders.
- Phenobarbital may offer therapeutic benefits for select patients suffering from cholestatic liver conditions.
Related Concept Videos
Phase I Reactions: Oxidation of Aliphatic and Aromatic Carbon-Containing Systems
Oxidation reactions are fundamental in aromatic carbon-containing systems. An example is the hydroxylation of phenobarbital, a process that transforms it into...
Hepatic Drug Excretion: Influencing Factors
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment

