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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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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...
895
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
944
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

518
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,...
518
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

373
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...
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Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations01:15

Determination of Multiple Dosing Parameters: Steady-State, Minimum and Maximum Concentrations

372
Gentamicin, an aminoglycoside antibiotic, is commonly administered via intermittent intravenous infusion to treat severe infections. An intermittent one-hour infusion of gentamicin, administered at eight-hour intervals, allows for precise control of plasma drug concentrations, minimizing toxicity while ensuring therapeutic efficacy. Pharmacokinetic principles govern the dynamics of plasma concentrations and can be mathematically described using specific equations.The plasma drug concentration...
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Daptomycin in paediatrics: current knowledge and the need for future research.

Nicola Principi1, Michela Caironi1, Francesca Venturini2

  • 1Pediatric Highly Intensive Care Unit, Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.

The Journal of Antimicrobial Chemotherapy
|November 20, 2014
PubMed
Summary

Daptomycin shows promise for treating pediatric infections from resistant Gram-positive bacteria. However, further research is crucial to determine safe and effective dosages for children, especially neonates and infants.

Keywords:
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Area of Science:

  • Pharmacology
  • Infectious Diseases
  • Pediatrics

Background:

  • Antimicrobial resistance necessitates novel therapeutic strategies.
  • Daptomycin is a potent antibiotic effective against resistant Gram-positive bacteria.
  • Existing data on daptomycin use is primarily from adult studies.

Purpose of the Study:

  • To review current knowledge on daptomycin use in pediatric patients.
  • To identify challenges and knowledge gaps in pediatric daptomycin therapy.
  • To highlight the need for further research in neonates and children.

Main Methods:

  • Review of existing pharmacokinetic and clinical studies.
  • Analysis of daptomycin efficacy and safety data in pediatric populations.
  • Discussion of challenges in extrapolating adult data to children.

Main Results:

  • Daptomycin is a potential treatment for pediatric infections caused by multidrug-resistant Gram-positive pathogens.
  • Current data is insufficient to establish optimal pediatric dosing, particularly for younger age groups.
  • Adult data is only reliably applicable to children over 12 years old.

Conclusions:

  • Daptomycin is a promising option for pediatric Gram-positive bacterial infections.
  • Further pediatric studies are essential to establish age-appropriate dosing for optimal efficacy and safety.
  • Urgent research is needed for neonates and infants to address rising MDR Gram-positive pathogen infections.