Gail L Jungbluth

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Linezolid is a member of a new, unique class of synthetic antibacterial agents called oxazolidinones that are effective against gram-positive bacteria, including vancomycin-resistant organisms. We tested the hypothesis that the linezolid clearance would not be altered in subjects with renal dysfunction. Twenty-four subjects with renal function that ranged(More)
Linezolid is the first antibacterial to be approved from the oxazolidinone class. The drug has substantial antimicrobial activity against Gram-positive organisms such as streptococci, staphylococci and enterococci, including species resistant to conventional antibacterial treatment. Linezolid is fully bioavailable following oral administration when compared(More)
The impact of age on linezolid disposition during the first few months of life has not been previously investigated. We characterized linezolid pharmacokinetics after a single, 10.0-mg/kg intravenous dose in 42 infants stratified as follows: group 1 (n = 9), gestational age <34 weeks and postnatal age <8 days; group 2 (n = 7), gestational age <34 weeks and(More)
AIMS To determine the pharmacokinetics and tolerance of oral and intravenous linezolid, an oxazolidinone antibiotic, in healthy volunteers following single- and multiple-dose administration. METHODS In two randomized, double-blind, placebo-controlled, dose-escalating trials, subjects were exposed either to oral (375, 500 or 625 mg) or intravenous (500 or(More)
BACKGROUND There are a number of physiologic and developmental differences between children and adults that can influence the absorption, distribution, metabolism and elimination of a drug. Therefore it is important to determine the specific pharmacokinetic characteristics for individual drugs in pediatric patients so that appropriate age-specific dosage(More)
We studied the acute haemodynamic dose response of nicorandil, a combined nitrate and potassium channel opener, in patients evaluated for chest pain. Single dose oral nicorandil (5, 10, 20, or 30 mg) or placebo was given to 42 right-heart catheterized patients using a randomized block design. Persistent, significant (P < 0.05) haemodynamic changes occurred(More)
The binding of racemic disopyramide and its two enantiomers to protein were compared in two samples of human plasma, two samples of freshly drawn serum and in a solution of alpha 1-acid glycoprotein. The binding of S(+)-disopyramide was higher at all concentrations as compared to to R(-)-disopyramide, and the binding of the racemate was intermediate.(More)
Objective: To evaluate the possible effects of age and sex on the pharmacokinetics of linezolid in healthy volunteers. Methods: A single 600-mg dose of linezolid was administered orally to young (18–40 years) and elderly (≥65 years) healthy males and females. Blood and urine samples were collected until 48 h after dosing and assayed for linezolid(More)
The pharmacokinetics of methylprednisolone sodium succinate (MPHS) and methylprednisolone (MP) were determined in six patients undergoing open heart surgery with cardiopulmonary bypass. Plasma concentrations of both compounds were measured by high-performance liquid chromatography after doses of MPHS of 1.7-2.4 g. The prodrug ester MPHS yields MP with an(More)
The systemic absorption of orally administered caffeine was evaluated in 16 premature infants receiving therapy for recurrent apnea. An oral bolus dose of caffeine (10 mg/kg) was given during a fasted state (n = 8) or immediately preceding formula (n = 8). The first-order absorption rate constant (ka) was estimated from the rise in the plasma(More)