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Our objective is to establish pharmacological equivalence of intermittent and continuous infusion of cloxacillin during methicillin-susceptible Staphylococcus aureus (MSSA) bone and joint infections (BJI). Twelve patients suffering MSSA BJI will receive both administration modalities and serum concentrations of cloxacillin will be determined after 3 days of II and 3 days of continuous infusion in a prospective, randomized, open-label, monocentric crossover study design.
Introduction Staphylococcus aureus is the main causative agent of bone and joint infections (BJI). More than 80% of the strains isolated in France are methicillin-susceptible (MSSA). During the early phase of MSSA BJI management national and international guidelines recommend the use of intra-venous type M penicillin with a dosage ranging from 100 to 200 mg/kg/day. Pharmacological properties of this class of penicillin require 4 to 6 infusions by day. Continuous infusion of beta-lactams is increasingly used especially in intensive care units. It allows an improvement of pharmacokinetic/pharmacodynamics (PK/PD) parameters and a reduction in time dedicated to infusion preparations by the nurses. However pharmacological data regarding such administration is required for type M penicillin.
Design A 6-day, prospective, randomized, open-label, monocentric crossover study
Participants Twelve adult patients with MSSA BJI
Intervention Patients will be randomized in two groups: the first group will receive 3 days of cloxacillin (150 mg/kg/day) through 4 intermittent infusions/day followed by 3 days of cloxacillin (150 mg/kg/day) through continuous infusion (2 infusions during 12 hours). In the second group the infusion modalities will be inverted and continuous infusion will be preceded by a loading dose. Serum concentrations of cloxacillin will be determined at Day 3 and Days 6 The area under the curve / minimal inhibitory concentration ratio will be use to establish the equivalence between both administration modalities.
Modification for administration mode of cloxacillin antibiotic
Not yet recruiting
Centre Hospitalier Universitaire de Nice
Published on BioPortfolio: 2017-08-13T15:49:43-0400
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Antibiotic analog of CLOXACILLIN.
A semi-synthetic antibiotic that is a chlorinated derivative of OXACILLIN.
Non-therapeutic positive end-expiratory pressure occurring frequently in patients with severe airway obstruction. It can appear with or without the administration of external positive end-expiratory pressure (POSITIVE-PRESSURE RESPIRATION). It presents an important load on the inspiratory muscles which are operating at a mechanical disadvantage due to hyperinflation. Auto-PEEP may cause profound hypotension that should be treated by intravascular volume expansion, increasing the time for expiration, and/or changing from assist mode to intermittent mandatory ventilation mode. (From Harrison's Principles of Internal Medicine, 12th ed, p1127)
Administration of a drug or chemical by the individual under the direction of a physician. It includes administration clinically or experimentally, by human or animal.
A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration.