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Pharmacol Ther. 1992;54(1):1-15.

Gastrointestinal chronopharmacology: physiology, pharmacology and therapeutic implications.

Author information

1
University of Utah School of Medicine, Salt Lake City 84148.

Abstract

This chapter discusses the influence of ultradian and circadian rhythms of gastrointestinal motor and secretory function on the action of orally administered drugs. Most drugs exhibit more rapid absorption in the morning compared to the evening due, in part, the circadian alterations in gastric emptying. Gastric acid secretion and gastrointestinal toxicity to oral drugs also display circadian rhythmicity. These observations provide a rationale for use or avoidance of drugs based on time-of-day dosing considerations. The chronopharmacological behavior of a drug may thus play an important role in the effectiveness of any oral medication treatment schedule.

PMID:
1528953
DOI:
10.1016/0163-7258(92)90049-6
[Indexed for MEDLINE]

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