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Effect of probenecid on the pharmacokinetics of cefmenoxime.

Effect of probenecid on the pharmacokinetics of cefmenoxime. Effect of probenecid on the pharmacokinetics of cefmenoxime. L T Sennello , D Quinn , D E Rollins , K G Tolman and R C Sonders ABSTRACT In this study, we were concerned with the effect of probenecid on the pharmacokinetics of 1,000 mg of cefmenoxime administered over a 30-min period by intravenous infusion. Each of a total of 10 subjects received cefmenoxime twice, once with and once without adjunctive probenecid. The data were fit by iterative nonlinear regression procedures to a two-compartment open pharmacokinetic model, with elimination from the central compartment. The mean calculated peak concentration, area under the curve from zero to infinity, and half-life without probenecid were 78.1 micrograms/ml, 77.2 micrograms . h/ml, and 1.14 h, respectively. When cefmenoxime was administered with probenecid, these values were 86.7 micrograms/ml, 158.2 micrograms . h/ml, and 1.78 h, respectively. Averages of about 55 and 46% of the administered doses were recovered in urine samples collected at 0 through 24 h for doses administered without and with probenecid, respectively. The mean corrected renal drug clearance was 159 and 66 ml/min without and with probenecid, respectively. Statistical significance (P less than 0.05) was demonstrated for the differences in beta half-life, (K/net), calculated peak concentration, area under the curve from 0 to infinity, and renal clearance, but not for K21, K12, volume of distribution, or alpha-phase distribution rate constant. The results of this study indicate that tubular secretion is the predominant mechanism of clearance for cefmenoxime and that probenecid alters the pharmacokinetics of the compound by competitively inhibiting its tubular secretion without affecting either the rate or the extent of its distribution. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.23.6.803 Antimicrob. Agents Chemother. June 1983 vol. 23 no. 6 803-807 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of AAC Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Sennello, L. T. Articles by Sonders, R. C. Search for related content PubMed PubMed citation Articles by Sennello, L. T. Articles by Sonders, R. C. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-3"); pageTracker._trackPageview(); http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Antimicrobial Agents and Chemotherapy American Society For Microbiology

Effect of probenecid on the pharmacokinetics of cefmenoxime.

Abstract

Effect of probenecid on the pharmacokinetics of cefmenoxime. L T Sennello , D Quinn , D E Rollins , K G Tolman and R C Sonders ABSTRACT In this study, we were concerned with the effect of probenecid on the pharmacokinetics of 1,000 mg of cefmenoxime administered over a 30-min period by intravenous infusion. Each of a total of 10 subjects received cefmenoxime twice, once with and once without adjunctive probenecid. The data were fit by iterative nonlinear regression procedures to a two-compartment open pharmacokinetic model, with elimination from the central compartment. The mean calculated peak concentration, area under the curve from zero to infinity, and half-life without probenecid were 78.1 micrograms/ml, 77.2 micrograms . h/ml, and 1.14 h, respectively. When cefmenoxime was administered with probenecid, these values were 86.7 micrograms/ml, 158.2 micrograms . h/ml, and 1.78 h, respectively. Averages of about 55 and 46% of the administered doses were recovered in urine samples collected at 0 through 24 h for doses administered without and with probenecid, respectively. The mean corrected renal drug clearance was 159 and 66 ml/min without and with probenecid, respectively. Statistical significance (P less than 0.05) was demonstrated for the differences in beta half-life, (K/net), calculated peak concentration, area under the curve from 0 to infinity, and renal clearance, but not for K21, K12, volume of distribution, or alpha-phase distribution rate constant. The results of this study indicate that tubular secretion is the predominant mechanism of clearance for cefmenoxime and that probenecid alters the pharmacokinetics of the compound by competitively inhibiting its tubular secretion without affecting either the rate or the extent of its distribution. CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? « Previous | Next Article » Table of Contents This Article doi: 10.1128/​AAC.23.6.803 Antimicrob. Agents Chemother. June 1983 vol. 23 no. 6 803-807 » Abstract PDF Classifications Research Article Services Email this article to a colleague Similar articles in ASM journals Alert me when this article is cited Alert me if a correction is posted Similar articles in this journal Similar articles in Web of Science Similar articles in PubMed Alert me to new issues of AAC Download to citation manager Reprints and Permissions Copyright Information Books from ASM Press MicrobeWorld Citing Articles Load citing article information Citing articles via Web of Science Citing articles via Google Scholar Google Scholar Articles by Sennello, L. T. Articles by Sonders, R. C. Search for related content PubMed PubMed citation Articles by Sennello, L. T. Articles by Sonders, R. C. Related Content Load related web page information Social Bookmarking CiteULike Connotea Delicious Digg Facebook Google+ Mendeley Reddit StumbleUpon Twitter What's this? current issue December 2011, volume 55, issue 12 Alert me to new issues of AAC About AAC Subscribers Authors Reviewers Advertisers Inquiries from the Press Permissions & Commercial Reprints ASM Journals Public Access Policy AAC RSS Feeds 1752 N Street N.W. • Washington DC 20036 202.737.3600 • 202.942.9355 fax • journals@asmusa.org Print ISSN: 0066-4804 Online ISSN: 1098-6596 Copyright © 2011 by the American Society for Microbiology. For an alternate route to AAC .asm.org, visit: http://intl- AAC .asm.org | More Info» var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); var pageTracker = _gat._getTracker("UA-5821458-3"); pageTracker._trackPageview();
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