alexa Pharmacokinetics and inflammatory fluid penetration of sparfloxacin.


Natural Products Chemistry & Research

Author(s): Johnson JH, Cooper MA, Andrews JM, Wise R

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Abstract A single 400-mg oral dose of sparfloxacin was given to each of six healthy male volunteers, and the concentrations of the drug were measured in plasma, cantharides-induced inflammatory fluid, and urine over the subsequent 52 h. The mean peak concentration in plasma of 1.6 micrograms/ml was attained at a mean time of 2.7 h postdose. The mean peak concentration in inflammatory fluid of 1.3 micrograms/ml was attained at a mean time of 5 h postdose. The mean elimination half-life in plasma was 17.6 h, and that in inflammatory fluid was 19.7 h. The overall penetration into inflammatory fluid was 117\%. Urinary recovery within the first 52 h postdose was 8.8\% of the administered dose. Our results indicate that a once-daily dosage of sparfloxacin should be adequate to treat systemic infections caused by most common bacterial pathogens.
This article was published in Antimicrob Agents Chemother and referenced in Natural Products Chemistry & Research

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