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

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

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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,...
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Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

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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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Biopharmaceutical Factors Influencing Drug Product Design: Overview01:22

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Rational drug product design integrates knowledge of the drug’s physicochemical properties, formulation components, manufacturing techniques, and intended route of administration. Each factor influences the drug’s performance, including how it is released, absorbed, and eliminated in the body.The physicochemical properties of a drug—such as solubility, stability, and particle size—affect its compatibility with excipients and the choice of dosage form. Excipients, though...
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Changes in polymorphic forms can significantly influence the bioavailability of poorly soluble drugs. Although the FDA defines pharmaceutical equivalence based on having the same active ingredient, dosage form, and route of administration, it does not automatically disqualify products with different polymorphic forms. This means two products with different polymorphs can still be deemed pharmaceutically equivalent. However, polymorphic differences can affect properties like wettability,...
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Evaluation of Drug Sorption to PVC- and Non-PVC-based Tubes in Administration Sets Using a Pump
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Pediatric drug development: formulation considerations.

Areeg Anwer Ali1, Naseem Ahmad Charoo, Daud Baraka Abdallah

  • 1Department of Clinical Pharmacy and Pharmacology, RAKCOPS, RAK Medical and Health Sciences University , Ras Al Khaimah , UAE .

Drug Development and Industrial Pharmacy
|February 4, 2014
PubMed
Summary
This summary is machine-generated.

Developing safe pediatric medications requires understanding pharmacokinetic differences between children and adults. Regulatory acts encourage pediatric drug evaluation, necessitating tailored dosage forms for improved treatment outcomes.

Keywords:
Clinical studiesexcipientsformulation developmentpediatric formulationspharmacokineticstaste masking

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Area of Science:

  • Pharmacology
  • Pharmaceutical Sciences
  • Pediatric Medicine

Background:

  • High pediatric mortality and morbidity are linked to a lack of safe and effective treatments.
  • Significant pharmacokinetic variations exist between pediatric and adult populations, impacting drug efficacy and safety.

Purpose of the Study:

  • To review pharmacokinetic differences between pediatric and adult populations.
  • To discuss implications for pharmaceutical development and pediatric dosage forms.
  • To highlight regulatory incentives and mandates for pediatric drug studies.

Main Methods:

  • Literature review of pharmacokinetic differences in pediatric drug development.
  • Analysis of regulatory acts influencing pediatric pharmaceutical evaluation.
  • Discussion of pediatric dosage form characteristics and challenges.

Main Results:

  • Pediatric drug development requires consideration of age-related pharmacokinetic and pharmacodynamic variations.
  • Regulatory acts like the Best Pharmaceuticals for Children Act incentivize pediatric drug studies.
  • Current pediatric dosage forms have limitations, necessitating development of universally appropriate formulations.

Conclusions:

  • Pharmaceutical development must address pediatric-specific pharmacokinetic and pharmacodynamic needs.
  • Regulatory frameworks are evolving to ensure better drug evaluation in children.
  • There is a critical need for versatile pediatric dosage forms suitable for diverse age groups.