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J Antimicrob Chemother. 2002 Dec;50(6):1011-5.

Rifampicin concentrations in bronchial mucosa, epithelial lining fluid, alveolar macrophages and serum following a single 600 mg oral dose in patients undergoing fibre-optic bronchoscopy.

Author information

1
Nottingham City Hospital, Hucknall Road, Nottingham NG5 1PB, UK.

Abstract

The concentrations of rifampicin in epithelial lining fluid (ELF), human alveolar macrophages (AM), bronchial mucosal biopsies and serum were measured after a single oral dose of 600 mg rifampicin from 15 patients undergoing fibre-optic bronchoscopy. The samples of ELF, AM, the bronchial mucosal biopsies and serum were obtained approximately 2-5 h after dosing. The mean concentrations (mean +/- standard error) were 5.25 mg/L (+/-0.67) in ELF, 7.93 mg/kg (+/-1.61) in bronchial biopsies, 15.48 mg/L (+/-1.41) in serum and 251.8 mg/L (+/-65.92) in alveolar macrophages. These site concentrations exceeded the MIC90 for common respiratory pathogens including Mycobacterium tuberculosis and support the observed clinical efficacy of rifampicin in the treatment of a wide range of respiratory tract infections.

PMID:
12461025
DOI:
10.1093/jac/dkf214
[Indexed for MEDLINE]

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