Safety, tolerance, and pharmacokinetics of cefepime administered intramuscularly to healthy subjects.

Abstract:

:Steady state pharmacokinetics, absolute bioavailability, and dose proportionality of cefepime were evaluated in healthy male subjects after single (250, 500, 1000, or 2000 mg) and multiple (1000 mg every 12 hours for 10 days) intramuscular injections. Safety and tolerance were also monitored. High performance liquid chromatography/UV methodology was used to determine cefepime concentrations in plasma and urine. Key pharmacokinetic parameters were determined using noncompartmental methods. Cefepime was absorbed rapidly; mean peak times were 1.0-1.6 hours. Pharmacokinetics were linear over the 250-mg to 2000-mg dose range, with mean total body clearance ranging from 125 to 141 mL/min. The peak plasma concentration and area under the curve increased in a dose-proportional manner. The apparent elimination half-life (2 hours) did not appear to be influenced by dose or by duration of dosing. No accumulation of cefepime was observed during the multiple-dose study. More than 80% of the administered dose was excreted in the urine as unchanged cefepime, and absolute bioavailability after intramuscular dose was 100%. Cefepime was well tolerated. Most subjects experienced none to mild pain and only minimum discomfort at the site of injection.

journal_name

J Clin Pharmacol

authors

Barbhaiya RH,Knupp CA,Tenney J,Martin RR,Weidler DJ,Pittman KA

doi

10.1002/j.1552-4604.1990.tb03569.x

subject

Has Abstract

pub_date

1990-10-01 00:00:00

pages

900-10

issue

10

eissn

0091-2700

issn

1552-4604

journal_volume

30

pub_type

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