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Summary
Physiologic changes in aging alter drug absorption, distribution, metabolism, and elimination (ADME). Understanding these age-related variables is crucial for preventing unexpected treatment responses and therapeutic problems.
Area of Science:
- Gerontology
- Pharmacology
- Clinical Pharmacy
Background:
- Aging is associated with significant physiological alterations.
- These changes can impact how the body processes medications.
Observation:
- Altered drug responses in older adults are common.
- Physiological changes affect drug absorption, distribution, metabolism, and elimination (ADME).
Findings:
- Key variables include changes in renal function, body composition, and the gastrointestinal tract.
- These factors influence a drug's pharmacokinetic and pharmacodynamic profile.
Implications:
- Understanding age-related physiological changes is essential for optimizing pharmacotherapy.
- This knowledge helps clinicians avoid adverse drug events and improve therapeutic outcomes in the elderly.