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Chemotherapy in newborns and preterm babies

Gareth J Veal1, Alan V Boddy1

  • 1Newcastle Cancer Centre at the Northern Institute for Cancer Research, Paul O'Gorman Building, Medical School, Newcastle University, Newcastle upon Tyne NE2 4H, UK.

Seminars in Fetal & Neonatal Medicine
|April 3, 2012
PubMed

Insights

Determining pediatric cancer drug doses is challenging due to infants

Area of Science:

  • Pediatric Oncology
  • Clinical Pharmacology
  • Developmental Physiology

Background:

  • Dosing regimens for infants and young children with cancer pose significant challenges.
  • Dose reductions for chemotherapeutics are common, but their appropriateness is uncertain due to limited pharmacokinetic data in this population.
  • Significant physiological changes occur during early development, impacting drug disposition, response, and toxicity.

Purpose of the Study:

  • To review the developmental physiology of preterm babies and infants.
  • To analyze the impact of physiological changes on drug disposition, clinical response, and toxicity of anticancer drugs.
  • To compare dose reductions for anticancer drugs across tumor types and clinical protocols, highlighting pharmacokinetic differences.

Main Methods:

  • Review of existing literature on infant physiology and pharmacokinetics.
  • Comparison of dose reduction strategies for key anticancer agents.
  • Analysis of available pharmacokinetic data in infant populations versus older children.

Main Results:

  • Significant physiological changes in infants impact drug pharmacokinetics.
  • Limited pharmacokinetic data exist for many anticancer drugs in infants.
  • Variability in drug response and toxicity is observed, influenced by developmental stage.

Conclusions:

  • Appropriate dosing for pediatric cancer patients requires further investigation.
  • Population pharmacokinetic studies are crucial for optimizing drug regimens in infants.
  • Addressing formulation and ethical challenges is necessary for conducting pediatric pharmacology research.

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