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Important drug-nutrient interactions in the elderly

J A Thomas1, R A Burns

  • 1Department of Pharmacology, University of Texas Health Science Center, San Antonio, USA. thomasj@uthscsa.edu

Drugs & Aging
|October 28, 1998
PubMed
Summary

Drug-nutrient interactions are common in older adults, often impacting drug absorption due to aging effects on pharmacokinetics and transporters. Cardiovascular drug interactions require particular attention in geriatric patients.

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Area of Science:

  • Geriatric Pharmacology
  • Nutritional Science
  • Drug Metabolism

Background:

  • Drug-nutrient interactions are prevalent, especially in the elderly.
  • Aging alters drug pharmacokinetics (absorption, distribution, metabolism, excretion).
  • Drug absorption processes are frequently affected by these interactions.

Purpose of the Study:

  • To highlight the significance of drug-nutrient interactions in the geriatric population.
  • To underscore the impact of aging on drug pharmacokinetics and absorption.
  • To identify specific areas of concern, such as cardiovascular drug interactions.

Main Methods:

  • Review of existing literature on drug-nutrient interactions in the elderly.
  • Analysis of age-related changes in drug pharmacokinetics.
  • Examination of the role of drug transporter systems in aging and absorption.
  • Consideration of confounding factors like co-existing disease states.

Main Results:

  • Drug-nutrient interactions are accentuated in the elderly population.
  • Age-related pharmacokinetic changes, particularly in absorption, are common.
  • Drug transporter systems' response to aging requires further investigation.
  • Co-existing diseases can exacerbate drug effects and interactions.

Conclusions:

  • Drug-nutrient interactions pose a significant challenge in geriatric care.
  • Understanding age-related pharmacokinetic alterations is crucial for managing these interactions.
  • Cardiovascular drug-nutrient interactions in the elderly warrant focused clinical attention and research.

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