Drug-induced liver injury in children

Mansi D Amin1, Sanjiv Harpavat, Daniel H Leung

  • 1aBaylor College of Medicine bPediatric Gastroenterology, Hepatology and Nutrition, Texas Children's Hospital, Houston, Texas, USA.

Insights

Drug-induced liver injury (DILI) in children is a significant cause of liver failure and transplantation. Genetic factors and mitochondrial dysfunction increase susceptibility, with antibiotics and CNS agents being common culprits.

Area of Science:

  • Pediatric Hepatology
  • Toxicology
  • Pharmacology

Background:

  • Drug-induced liver injury (DILI) is a critical cause of pediatric liver disease, contributing to nearly 20% of acute liver failure cases.
  • It is a leading indication for liver transplantation in the United States.
  • Understanding DILI is crucial for managing pediatric liver health.

Purpose of the Study:

  • To review the pathogenesis, diagnosis, and management of DILI in children.
  • To highlight recent case series of pediatric DILI.
  • To inform clinical practice and future research directions.

Main Methods:

  • Literature review of DILI pathogenesis, diagnosis, and management.
  • Analysis of recent pediatric DILI case series.
  • Synthesis of current knowledge on risk factors and clinical outcomes.

Main Results:

  • Individual susceptibility to DILI is influenced by genetic polymorphisms and host factors, affecting 20-25% of drug therapies.
  • Children are particularly vulnerable to drug-induced mitochondrial dysfunction, leading to severe liver injury.
  • Antibiotics and central nervous system agents are the most frequent causes of DILI in Western pediatric populations, with herbal products increasing.

Conclusions:

  • Diagnosing DILI requires excluding other conditions, identifying latency periods, and recognizing risk factors, potentially aided by databases.
  • Management focuses on discontinuing the causative agent and providing supportive care.
  • Further research is needed to elucidate mechanisms, identify at-risk individuals, and develop targeted therapies.
Abstract

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