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Plasma and CSF phar...
Plasma and CSF pharmacokinetics of meropenem in neonates and young infants : results from the NeoMero studies
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- Germovsek, Eva (author)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap,UCL, Great Ormond St Inst Child Hlth, Dept Infect Inflammat & Rheumatol, London, England
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- Lutsar, Irja (author)
- Univ Tartu, Dept Microbiol, Tartu, Estonia
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- Kipper, Karin (author)
- Univ Tartu, Dept Microbiol, Tartu, Estonia; St Georges Univ London, Inst Infect & Immun, Cranmer Terrace, London, England
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- Karlsson, Mats O (author)
- Uppsala universitet,Institutionen för farmaceutisk biovetenskap
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- Planche, Tim (author)
- St Georges Univ London, Inst Infect & Immun, Cranmer Terrace, London, England
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- Chazallon, Corine (author)
- INSERM SC10 US019, Villejuif, France
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- Meyer, Laurence (author)
- INSERM SC10 US019, Villejuif, France
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- Trafojer, Ursula M. T. (author)
- Univ Padua, Dept Women & Child Hlth, Neonatal Intens Care Unit, Padua, Italy
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- Metsvaht, Tuuli (author)
- Tartu Univ Hosp, Tartu, Estonia
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- Fournier, Isabelle (author)
- INSERM SC10 US019, Villejuif, France
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- Sharland, Mike (author)
- St Georges Univ London, Inst Infect & Immun, Cranmer Terrace, London, England
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- Heath, Paul (author)
- St Georges Univ London, Inst Infect & Immun, Cranmer Terrace, London, England
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- Standing, Joseph F. (author)
- St Georges Univ London, Inst Infect & Immun, Cranmer Terrace, London, England; UCL, Great Ormond St Inst Child Hlth, Dept Infect Inflammat & Rheumatol, London, England
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(creator_code:org_t)
- 2018-04-19
- 2018
- English.
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In: Journal of Antimicrobial Chemotherapy. - : Oxford University Press (OUP). - 0305-7453 .- 1460-2091. ; 73:7, s. 1908-1916
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Abstract
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- Background: Sepsis and bacterial meningitis are major causes of mortality and morbidity in neonates and infants. Meropenem, a broad-spectrum antibiotic, is not licensed for use in neonates and infants below 3 months of age and sufficient information on its plasma and CSF disposition and dosing in neonates and infants is lacking.Objectives: To determine plasma and CSF pharmacokinetics of meropenem in neonates and young infants and the link between pharmacokinetics and clinical outcomes in babies with late-onset sepsis (LOS).Methods: Data were collected in two recently conducted studies, i.e. NeoMero-1 (neonatal LOS) and NeoMero-2 (neonatal meningitis). Optimally timed plasma samples (n = 401) from 167 patients and opportunistic CSF samples (n = 78) from 56 patients were analysed.Results: A one-compartment model with allometric scaling and fixed maturation gave adequate fit to both plasma and CSF data; the CL and volume (standardized to 70 kg) were 16.7 (95% CI 14.7, 18.9) L/h and 38.6 (95% CI 34.9, 43.4) L, respectively. CSF penetration was low (8%), but rose with increasing CSF protein, with 40% penetration predicted at a protein concentration of 6 g/L. Increased infusion time improved plasma target attainment, but lowered CSF concentrations. For 24 patients with culture-proven Gram-negative LOS, pharmacodynamic target attainment was similar regardless of the test-of-cure visit outcome.Conclusions: Simulations showed that longer infusions increase plasma PTA but decrease CSF PTA. CSF penetration is worsened with long infusions so increasing dose frequency to achieve therapeutic targets should be considered.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Pediatrik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Pediatrics (hsv//eng)
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- ref (subject category)
- art (subject category)
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- By the author/editor
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Germovsek, Eva
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Lutsar, Irja
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Kipper, Karin
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Karlsson, Mats O
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Planche, Tim
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Chazallon, Corin ...
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show more...
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Meyer, Laurence
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Trafojer, Ursula ...
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Metsvaht, Tuuli
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Fournier, Isabel ...
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Sharland, Mike
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Heath, Paul
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Standing, Joseph ...
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Clinical Medicin ...
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and Pediatrics
- Articles in the publication
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Journal of Antim ...
- By the university
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Uppsala University