نتایج جستجو برای: meropenem
تعداد نتایج: 3072 فیلتر نتایج به سال:
We studied meropenem in 23 pre-term (gestational age, 29 to 36 weeks) and 15 full-term (gestational age, 37 to 42 weeks) neonates. Meropenem doses of 10, 20, and 40 mg/kg were administered as single doses (30-min intravenous infusion) on a random basis. Blood was obtained for determining the meropenem concentration nine times. Each child required other antimicrobials for proven/suspected bacter...
OBJECTIVES To develop a population model to describe the pharmacokinetics (PK) of intravenous meropenem in adult patients with severe burns and investigate potential relationships between dosage regimens and antimicrobial efficacy. PATIENTS AND METHODS A dose of 1 g every 8 h was administered to adult patients with total body surface area burns of ≥15%. Doses for subsequent courses were deter...
OBJECTIVES Assessment of the activity of three beta-lactams [ertapenem (a carbapenem with a prolonged half-life), meropenem and ampicillin] against intraphagocytic Listeria monocytogenes and Staphylococcus aureus. METHODS Quantitative measurements of cfu changes in broth and in THP-1 macrophages (post-phagocytosis) over time (5 and 24 h) at concentrations spanning from sub-MICs to C(max) (max...
OBJECTIVES To determine the elution properties of meropenem and to compare the elutions of meropenem-impregnated polymethylmethacrylate (PMMA) beads without sterilization (P-M-C) to those sterilized with steam (P-M-A) and ethylene oxide gas (P-M-EO). METHODS A commercial bead mould was used to produce four groups of beads: one group without antibiotic (negative control), and three groups of m...
Doripenem, a 1beta-methylcarbapenem, is a broad-spectrum antibiotic approved for the treatment of complicated urinary tract and complicated intra-abdominal infections. An indication for hospital-acquired pneumonia including ventilator-associated pneumonia is pending. The current study examined the activity of doripenem against recent clinical isolates for the purposes of its ongoing clinical de...
BACKGROUND Several generic meropenem formulations have been approved by Thai Food and Drug Administration, Ministry of Public Health since 2008. Meropenem is a parenteral drug. Therefore, a study demonstrating a biological equivalence of generic meropenem is not required for drug registration in Thailand. The objective of the study was to determine microbiological equivalence of serum bacterios...
This study explored the pharmacokinetics and the pharmacodynamics of continuous-infusion meropenem in a population of pediatric hematopoietic stem cell transplant (HSCT) patients who underwent therapeutic drug monitoring. The relationship between meropenem clearance (CLM) and estimated creatinine clearance (CLCR) was assessed by nonlinear regression. A Monte Carlo simulation was performed to in...
Biapenem is a carbapenem being developed in combination with RPX7009, a new inhibitor of serine β-lactamases. Biapenem was tested alone and in combination with fixed concentrations of RPX7009 by agar dilution against 377 recent isolates of anaerobes. A separate panel of 27 isolates of Bacteroides spp. with decreased susceptibility or resistance to imipenem was also tested. Comparator drugs incl...
OBJECTIVES Time-kill studies are commonly used in investigations of new antimicrobial agents. However, they typically provide descriptive information on pharmacodynamics. We developed a mathematical model to capture the relationship between microbial burden and antimicrobial agent concentrations. METHODS Time-kill studies were performed with 10(8) cfu/mL of Pseudomonas aeruginosa at baseline....
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