title: The relative bioavailability of temafloxacin administered through a nasogastric tube with and without enteral feeding.
abstract: The relative bioavailability of a single oral dose of temafloxacin given with and without enteral feeding was determined in 18 healthy male volunteers in a randomised crossover study. Subjects were administered 600mg of temafloxacin orally as an intact tablet, or a crushed tablet suspended in water administered through a nasogastric tube with or without an enteral feeding solution [Osmolite (Ross) 100 ml/h started 2h before administration of temafloxacin and continued for 4h postdose]. Plasma samples were analysed by a high performance liquid chromatographic technique. Mean peak plasma concentrations (Cmax) for the oral tablet, crushed tablet, and crushed tablet with enteral feeding solution were 3.95 +/- 1.02, 4.85 +/- 0.69, and 4.69 +/- 0.61 mg/L/70kg, respectively, and mean calculated area under the concentration-time curve from time 0 to 48h (AUC(0-48h)) values were 48.1 +/- 11.0, 54.5 +/- 6.52, and 49.7 +/- 5.89 mg/L.h/70kg, respectively. In terms of AUC(0-48h) and Cmax, the relative bioavailability of temafloxacin after nasogastric delivery of crushed temafloxacin given with and without an enteral feeding solution was equivalent to the reference oral regimen.
authors.affiliation: Hartford Hospital, Connecticut.
authors.forename: T J
authors.initials: TJ
authors.lastname: Lubowski
authors.forename: C H
authors.initials: CH
authors.lastname: Nightingale
authors.forename: K
authors.initials: K
authors.lastname: Sweeney
authors.forename: R
authors.initials: R
authors.lastname: Quintiliani
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000890:Anti-Infective Agents / Q000008:administration & dosage / Q000493:pharmacokinetics*; D001682:Biological Availability; D004750:Enteral Nutrition; D024841:Fluoroquinolones; D006801:Humans; D008297:Male; D008875:Middle Aged; D015363:Quinolones / Q000008:administration & dosage / Q000493:pharmacokinetics*
chemical_list: D000890:Anti-Infective Agents; D024841:Fluoroquinolones; D015363:Quinolones; C054745:temafloxacin