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Pharmacokinetics in Pediatric Patients: Drug Metabolism

Pharmacokinetics in Pediatric Patients: Drug Metabolism

In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...

Pharmacokinetics in Pediatric Patients: Drug Excretion

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...

Pharmacokinetics in Pediatric Patients: Drug Distribution

Pharmacokinetics in Pediatric Patients: Drug Distribution

Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...

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Related Experiment Video

Updated: Dec 10, 2025

High-Efficiency Transduction of Liver Cancer Cells by Recombinant Adeno-Associated Virus Serotype 3 Vectors

High-Efficiency Transduction of Liver Cancer Cells by Recombinant Adeno-Associated Virus Serotype 3 Vectors

Published on: March 22, 2011

Pediatric Hepatocellular Carcinoma.

Fatma İlknur Varol¹

¹Department of Pediatric Gastroenterology, Hepatology, and Nutrition, Faculty of Medicine, Inonu University, 244280, Malatya, Turkey. drivarol@yahoo.com.

Journal of Gastrointestinal Cancer

|August 29, 2020

Summary

Pediatric hepatocellular carcinoma (HCC) is rare, but complete surgical resection is key for cure. Liver transplantation is an option for unresectable cases in children.

Area of Science:

Pediatric Oncology
Hepatology
Surgical Oncology

Background:

Pediatric hepatocellular carcinoma (HCC) is a rare malignancy, accounting for approximately 1% of childhood solid organ tumors.
It is the second most common malignant liver tumor in children, following hepatoblastoma.
HCC in children differs etiologically and biologically from adult forms.

Purpose of the Study:

To review the current diagnosis and treatment strategies for pediatric hepatocellular carcinoma.
To synthesize the latest literature on managing this rare childhood cancer.

Main Methods:

A comprehensive literature review was conducted.
The review focused on diagnostic criteria and therapeutic interventions for pediatric HCC.

Keywords:

Hepatoblastoma Hepatocellular carcinoma Pediatric

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High-Efficiency Transduction of Liver Cancer Cells by Recombinant Adeno-Associated Virus Serotype 3 Vectors

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Main Results:

Hepatocellular carcinoma (HCC) and hepatoblastoma comprise 0.5-1.5% of childhood malignancies.
Pediatric HCC represents only 0.4% of all HCC cases, with distinct etiological factors and behavior.
Suspicion of HCC in children with liver disease requires high AFP levels and ultrasonographic nodules; hepatoblastoma is a key differential diagnosis.

Conclusions:

Complete surgical resection remains the cornerstone of curative treatment for pediatric HCC.
Neoadjuvant chemotherapy protocols are employed to render initially unresectable tumors amenable to resection.
Liver transplantation decisions for pediatric HCC must be individualized for unresectable cases.