The interaction of cigarette smoking and chronic drug ingestion on human drug metabolism. 1979

W G Cooksley, and G C Farrell, and G A Cash, and L W Powell

1. Drug metabolism was assessed by the disappearance rate of antipyrine as measured in saliva. Results were expressed in terms of both clearance and half life. 2. Basal measurements of antipyrine disappearance rate were performed in seven non-smokers and six smokers. After administration of glutethimide 250 mg daily for 7 days a second measurement of antipyrine disappearance rate was made. 3. Glutethimide enhanced antipyrine metabolism in both smokers and non-smokers. The degree of change in both groups was similar. 4. A similar study was carried out with a smaller dose (125 mg) of glutethimide. There was no significant difference between smokers and non-smokers.5. The data are consistent with smoking and chronic drug ingestion having additive effects on enhancement of hepatic drug metabolism.

UI MeSH Term Description Entries
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D004347 Drug Interactions The action of a drug that may affect the activity, metabolism, or toxicity of another drug. Drug Interaction,Interaction, Drug,Interactions, Drug
D004364 Pharmaceutical Preparations Drugs intended for human or veterinary use, presented in their finished dosage form. Included here are materials used in the preparation and/or formulation of the finished dosage form. Drug,Drugs,Pharmaceutical,Pharmaceutical Preparation,Pharmaceutical Product,Pharmaceutic Preparations,Pharmaceutical Products,Pharmaceuticals,Preparations, Pharmaceutical,Preparation, Pharmaceutical,Preparations, Pharmaceutic,Product, Pharmaceutical,Products, Pharmaceutical
D005260 Female Females
D005984 Glutethimide A hypnotic and sedative. Its use has been largely superseded by other drugs. Doriden,Noxiron
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults

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