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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

369
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...
369
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

327
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...
327
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

693
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...
693
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

458
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,...
458

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Related Experiment Video

Updated: Mar 24, 2026

Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
10:49

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Published on: September 18, 2013

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[Nephroblastomas: Almost exclusively in clinical trials!].

P K Bode1, H Moch2

  • 1Institut für Klinische Pathologie, UniversitätsSpital Zürich, Schmelzbergstr.12, 8091, Zürich, Schweiz. PeterKarl.Bode@usz.ch.

Der Pathologe
|March 5, 2016
PubMed
Summary

Pediatric nephroblastomas require pathological evaluation of surgical specimens for staging and risk classification. Currently, molecular markers are not used for treatment decisions in these common childhood kidney cancers.

Keywords:
CancerChildhoodInternational Society of Paediatric OncologyNephroblastomaWilms tumor

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Area of Science:

  • Pediatric Oncology
  • Pathology
  • Nephrology

Background:

  • Nephroblastomas are the most frequent kidney tumors in children.
  • Treatment predominantly occurs within clinical trials.
  • Pathological assessment of nephrectomy specimens is vital for management.

Purpose of the Study:

  • To highlight the critical role of pathological evaluation in pediatric nephroblastoma treatment.
  • To emphasize the importance of tumor staging and risk group classification.
  • To discuss the current limitations of molecular parameters in treatment stratification.

Main Methods:

  • Review of pathological evaluation standards for nephroblastoma.
  • Analysis of the role of tumor stage and risk group in therapeutic management.
  • Consideration of molecular genetic findings in relation to clinical practice.

Main Results:

  • Pathological evaluation of nephrectomy specimens is essential for treatment.
  • Tumor stage and risk group are the most crucial parameters for management.
  • Molecular genetic discoveries have not yet influenced treatment stratification for nephroblastomas.

Conclusions:

  • Independent pathological assessment by reference centers is a standard necessity.
  • Accurate staging and risk stratification are paramount for pediatric nephroblastoma care.
  • Molecular markers are not currently utilized in treatment decisions for these childhood kidney tumors.