Sulphamethoxazole acetylation in fast and slow acetylators. 1990

A Bozkurt, and N E Basci, and A Isimer, and M Tuncer, and R Erdal, and S O Kayaalp
Department of Pharmacology, University of Hacettepe, Ankara, Turkey.

Acetylation of sulphamethoxazole was studied in 22 subjects previously phenotyped with sulphadimidine. Sulphamethoxazole and its acetylated metabolite were measured in 6 h plasma and 0-6 h urine samples. Percentage of plasma acetylated-sulphamethoxazole did not correlate with the percentage of urinary acetylated-sulphamethoxazole. There was also no correlation between the percentage of acetylated-sulphadimidine and percentage of acetylated-sulphamethoxazole in plasma. The finding suggest that the acetylation of sulphamethoxazole has no predictive value in determining acetylator status.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010641 Phenotype The outward appearance of the individual. It is the product of interactions between genes, and between the GENOTYPE and the environment. Phenotypes
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000107 Acetylation Formation of an acetyl derivative. (Stedman, 25th ed) Acetylations
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
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D013418 Sulfamethazine A sulfanilamide anti-infective agent. It has a spectrum of antimicrobial action similar to other sulfonamides. Benzenesulfonamide, 4-amino-N-(4,6-dimethyl-2-pyrimidinyl)-,Sulfadimidine,Sulphamethazine,Sulfadimezine,Sulphamezathine
D013420 Sulfamethoxazole A bacteriostatic antibacterial agent that interferes with folic acid synthesis in susceptible bacteria. Its broad spectrum of activity has been limited by the development of resistance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p208) Sulfamethylisoxazole,Gantanol,Sulfisomezole,Sulphamethoxazole

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