The penetration of roxithromycin into human skin. 1990

M Campa, and I Zolfino, and S Senesi, and N Bernardini, and R Danesi, and M Ducci, and M Oleggini, and R Di Stefano, and F Mosca, and A Lazzarini
Department of Biomedicine, University of Pisa, Italy.

The skin penetration of roxithromycin was studied in 27 surgical patients treated with 300 mg orally followed by three oral doses of 150 mg 12-hourly. Peak plasma and skin concentrations of 7.9 +/- 1.2 mg/l and 31.3 +/- 3.7 mg/kg occurred 2.5 and 4 h after last dosing respectively. The plasma and skin half-lives were 7.7 and 6.0 h, and the mean plasma and skin area under the curve values were 64.3 mg/l.h and 155.3 mg/kg.h. Skin/plasma concentration ratios were 4.9 +/- 0.5, 9.7 +/- 1.2, 7.6 +/- 0.8 and 5.9 +/- 1.1, at 3, 4, 5 and 6 h after last dosing respectively. These results demonstrate that roxithromycin achieves high levels in human skin.

UI MeSH Term Description Entries
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
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
D012869 Skin Absorption Uptake of substances through the SKIN. Absorption, Skin,Intracutaneous Absorption,Intradermal Absorption,Percutaneous Absorption,Transcutaneous Absorption,Transdermal Absorption,Absorption, Intracutaneous,Absorption, Intradermal,Absorption, Percutaneous,Absorption, Transcutaneous,Absorption, Transdermal,Absorptions, Intracutaneous,Absorptions, Intradermal,Absorptions, Percutaneous,Absorptions, Skin,Absorptions, Transcutaneous,Absorptions, Transdermal,Intracutaneous Absorptions,Intradermal Absorptions,Percutaneous Absorptions,Skin Absorptions,Transcutaneous Absorptions,Transdermal Absorptions
D015575 Roxithromycin Semisynthetic derivative of erythromycin. It is concentrated by human phagocytes and is bioactive intracellularly. While the drug is active against a wide spectrum of pathogens, it is particularly effective in the treatment of respiratory and genital tract infections. Biaxsig,Claramid,Infectoroxit,MTW-Roxithromycin,Macrosil,RU 28965,RU 965,RU-28965,RU-965,Rotesan,Rotramin,Roxi 1A Pharma,Roxi Basics,Roxi TAD,Roxi-Puren,Roxi-Q,Roxi-Wolff,Roxi-paed 1A Pharma,Roxi-saar,Roxibeta,Roxigamma,Roxigrün,Roxihexal,Roxithro-Lich,Rulid,Rulide,roxi von ct,roxidura,RU28965,RU965

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