Concentrations of flurithromycin in serum and tonsils. 1989

G B Galioto, and E Mevio, and P Galioto, and G Zanuso, and A M Lepore
Otorhinolaryngologic Clinic, University of Pavia, Italy.

The concentrations of flurithromycin in serum and palatine tonsils of eleven adult male patients undergoing tonsillectomy were determined. Each patient received 500 mg t.i.d., in all ten doses, before tonsillectomy. Flurithromycin concentrations were measured by a microbiological method. Mean serum levels (+/- SE) were 0.72 microgram/ml (+/- 0.19) after 8 h from the 9th dose and 0.67 microgram/ml (+/- 0.13) after 4 h from the 10th dose. Average concentrations (+/- SE) in tonsils were: 1.43 +/- 0.20 microgram/g (right) and 1.32 +/- 0.21 (left) 4 h after the last administration. Therefore, the mean tissue/serum ratio was about 2:1. These results indicate a good diffusion of flurithromycin from serum to tonsillar tissue.

UI MeSH Term Description Entries
D008297 Male Males
D004917 Erythromycin A bacteriostatic antibiotic macrolide produced by Streptomyces erythreus. Erythromycin A is considered its major active component. In sensitive organisms, it inhibits protein synthesis by binding to 50S ribosomal subunits. This binding process inhibits peptidyl transferase activity and interferes with translocation of amino acids during translation and assembly of proteins. Erycette,Erymax,Erythromycin A,Erythromycin C,Erythromycin Lactate,Erythromycin Phosphate,Ilotycin,T-Stat,Lactate, Erythromycin,Phosphate, Erythromycin,T Stat,TStat
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
D014066 Palatine Tonsil A round-to-oval mass of lymphoid tissue embedded in the lateral wall of the PHARYNX. There is one on each side of the oropharynx in the fauces between the anterior and posterior pillars of the SOFT PALATE. Tonsil,Tonsil, Palatine,Palatine Tonsils,Tonsils,Tonsils, Palatine

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