Ventilator-Associated Pneumonia Clinical Trial
Official title:
The Pharmacodynamics of Meropenem in Patient With Ventilator-associated Pneumonia
The study was a randomized three-way crossover study. Each subject received meropenem in
three regimens at room temperature consecutively: (i) bolus injection of 1 g of meropenem
over 10 min every 8 h for 24 h, (ii) 3-h infusion of 1 g of meropenem via an infusion pump
at a constant flow rate every 8 h for 24 h, and(iii) 3-h infusion of 2 g of meropenem via an
infusion pump at a constant flow rate every 8 h for 24 h.
Clinical and laboratory data such as Age,Sex, Body weight, Electrolyte, Vital signs, APACHE
II score, BUN, Cr, Blood culture will be collected.
Nine patients will be enrolled in this study. After completion of the meropenem therapy for
3 days in this study, all patients will receive other sensitive antibiotics to eradicate
their bacterial infections.
Meropenem pharmacokinetic studies were carried out during administration of the third dose
of each regimen (16 to 24 h after the start of each regimen). Blood samples (approximately 5
ml) were obtained by direct venipuncture at the following times: before (time zero) and 10
and 30 min and
1, 1.5, 2, 2.5, 3.5, 4, 4.5, 5, 6, and 8 h after the third dose of each regimen.
The concentrations of meropenem were determined by reverse-phase high-performance liquid
chromatography.
Concentration of meropenem in plasma will be simulated in Monte Carlo technique (Computer
model) to get PK/PD index (40%T>MIC) and reported to % PTA(Probability Target Attainment)
and %CFR (Cumulative Faction Response)
Status | Completed |
Enrollment | 9 |
Est. completion date | January 2005 |
Est. primary completion date | January 2005 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - The patients were eligible for the study if they met the following criteria: 1. older than 18 years 2. clinical suspicion of VAP, defined by a new and persistent infiltrate on chest radiography associated with at least one of the following—purulent tracheal secretions, temperature of 38.3 celsius or higher, or a leukocyte count higher than 10000. Exclusion Criteria: - Patients were excluded from the study if they were pregnant or in circulatory shock (which was defined as a systolic blood pressure of 90 mmHg and poor tissue perfusion) or had documented hypersensitivity to meropenem or an estimated creatinine clearance(determined by the Cockcroft-Gault method) of 60 ml/min. |
Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Open Label
Country | Name | City | State |
---|---|---|---|
Thailand | Prince of Songkla University | Hatyai | Songkla |
Lead Sponsor | Collaborator |
---|---|
Sutep Jaruratanasirikul | Prince of Songkla University |
Thailand,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Concentration of meropenem in plasma | Concentration of doripenem in plasma will be simulated in Monte Carlo technique (Computer model) to get PK/PD index (40%T>MIC) and reported to % PTA (Probability Target Attainment) and %CFR (Cumulative Faction Response). | 8 hours profile after 3rd dose of meropenem | No |
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