Pharmacokinetic study of antipyrine in malnourished children. 1977

R K Narang, and S Mehta, and V S Mathur

Plasma half-life and metabolic clearance rate of antipyrine administered intravenously in a dose of 16 mg/kg body weight was studied in 10 children suffering from protein calorie malnutrition and five normal children matched in age and sex. Plasma half-life was increased and metabolic clearance rate was decreased in malnourished children (10.4 hr and 47.1 ml/hr per kg, respectively) in comparison to controls (6.3 hr and 70.1 ml/hr per kg, respectively). This observation indirectly reflects the lowered activity of microsomal oxidative enzyme of liver. Five children were restudied after nutritional rehabilitation of 17 to 25 days. Antipyrine plasma half-life decreased to 6.6 hr and metabolic clearance rate increased to 66.5 ml/hr per kg. These values were similar to those in normal children indicating biological recovery. The drug therapy in children with protein calorie malnutrition requires reconsideration in light of these observations.

UI MeSH Term Description Entries
D007194 India A country in southern Asia, bordering the Arabian Sea and the Bay of Bengal, between Burma and Pakistan. The capitol is New Delhi. Republic of India
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D011502 Protein-Energy Malnutrition The lack of sufficient energy or protein to meet the body's metabolic demands, as a result of either an inadequate dietary intake of protein, intake of poor quality dietary protein, increased demands due to disease, or increased nutrient losses. Marasmus,Protein-Calorie Malnutrition,Malnutrition, Protein-Calorie,Malnutrition, Protein-Energy,Malnutritions, Protein-Energy,Protein Calorie Malnutrition,Protein Energy Malnutrition
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D005260 Female Females
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
D000983 Antipyrine An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29) Phenazone,Anodynin,Pyramidone

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