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rdf:type | |
lifeskim:mentions | |
pubmed:dateCreated |
1991-4-22
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pubmed:abstractText |
Circadian and other rhythmic changes in biological susceptibility and response of organisms to a large variety of physical as well as chemical agents including medications and foods are rather common phenomena. Modern chronopharmacology investigates drug effects (a) as a function of biological timing and (b) upon parameters characterizing the endogenous bioperiodicities. A better understanding of periodic and thus predictable changes in drug effects can be attained through consideration of complementary concepts: (1) the chronokinetics of a drug--dosing time-dependent and predictable (rhythmic) changes in parameters used to characterize the pharmacokinetics (or the bioavailability) of a drug, e.g., maximum concentration (Cmax), span of time to reach Cmax (tmax), area under the concentration-time curve (AUC), half-life (t1/2), etc.; (2) the chronesthesy (rhythmic changes in susceptibility of a target biosystem to this drug); and (3) the chronergy (the drug-integrated overall effects). One of the aims of chronopharmacology is solving problems of drug optimization. Chronotherapy refers to the use of a chronopharmacologic approach to clinical treatment so as to enhance both effectiveness and tolerance of a drug by determining the best biological time for its dosing.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:issn |
0077-8923
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
618
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
102-15
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pubmed:dateRevised |
2004-11-17
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pubmed:meshHeading |
pubmed-meshheading:2006780-Adult,
pubmed-meshheading:2006780-Age Factors,
pubmed-meshheading:2006780-Animals,
pubmed-meshheading:2006780-Antineoplastic Agents,
pubmed-meshheading:2006780-Circadian Rhythm,
pubmed-meshheading:2006780-Drug Tolerance,
pubmed-meshheading:2006780-Female,
pubmed-meshheading:2006780-Humans,
pubmed-meshheading:2006780-Male,
pubmed-meshheading:2006780-Middle Aged,
pubmed-meshheading:2006780-Pharmaceutical Preparations,
pubmed-meshheading:2006780-Pharmacokinetics,
pubmed-meshheading:2006780-Pharmacology,
pubmed-meshheading:2006780-Sex Factors
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pubmed:year |
1991
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pubmed:articleTitle |
Concepts of circadian chronopharmacology.
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pubmed:affiliation |
CNRS, Paris, France.
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pubmed:publicationType |
Journal Article,
Review
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