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Updated: Feb 19, 2026

Human Liver Microphysiological System for Assessing Drug-Induced Liver Toxicity In Vitro
Published on: January 31, 2022
Drug-, herb- and dietary supplement-induced liver injury
María L Cavalieri1, Daniel D'Agostino2
1Servicio de Gastroenterología, Hepatología y Trasplante Hepático e Intestinal Pediátrico del Hospital Italiano de Buenos Aires. maria.cavalieri@hospitalitaliano.org.ar.
Abstract:
Drug- and substance-induced liver injury accounts for approximately 20% of pediatric cases of acute liver failure. It is caused by two mechanisms: direct and idiosyncratic hepatotoxicity. Direct hepatotoxicity is the result of the administration of a drug with intrinsic toxicity and is dose-dependent (e.g., acetaminophen). Idiosyncratic hepatotoxicity is unpredictable, uncommon, variable in presentation, and doseindependent. The clinical, histological, and laboratory manifestations include hepatitis, which is generally asymptomatic but with a significant increase of liver enzymes; cholestasis, accompanied with jaundice, pruritus, prominent elevation of alkaline phosphatase, and mild elevation of aminotransferases; or mixed, with elements of both hepatitis and cholestasis. Time to recovery is variable, depending on the type of liver injury. Early detection and discontinuation of the causative drug is the most effective and important step for the fast resolution of histological and clinical changes, thus reducing severe liver injury.
Insights
Drug- and substance-induced liver injury is a significant cause of pediatric acute liver failure. Early detection and drug withdrawal are key to recovery and preventing severe outcomes.
Area of Science:
- Hepatology
- Pediatric Gastroenterology
- Toxicology
Background:
- Drug- and substance-induced liver injury (DILI) comprises about 20% of pediatric acute liver failure cases.
- DILI arises from direct (dose-dependent) or idiosyncratic (unpredictable) hepatotoxicity.
- Manifestations range from asymptomatic hepatitis to cholestasis with jaundice, or mixed presentations.
Purpose of the Study:
- To review the mechanisms, clinical presentations, and management of DILI in children.
- To emphasize the importance of early diagnosis and intervention.
Main Methods:
- Review of existing literature on DILI in pediatric populations.
- Analysis of clinical, histological, and laboratory features of different DILI types.
- Discussion of treatment strategies, focusing on drug discontinuation.
Main Results:
- DILI presents as hepatitis, cholestasis, or mixed patterns, with variable enzyme elevations.
- Recovery time is dependent on the specific type of liver injury.
- Early identification and cessation of the offending agent are crucial for resolution.
Conclusions:
- Prompt recognition and withdrawal of the causative agent are the most effective strategies for managing DILI in children.
- Timely intervention can significantly reduce the severity of liver injury and promote faster recovery.
Related Concept Videos
Drug toxicity: Drug–Drug Interaction
Drug Toxicity: Overview
Drug toxicity: Idiosyncratic Reactions
Drug Toxicity: Dose-Dependent Reactions
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment
Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

