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Plasma and peritoneal fluid population pharmacokinetics of micafungin in post-surgical patients with severe peritonitis

Overview of attention for article published in Journal of Antimicrobial Chemotherapy (JAC), July 2015
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Title
Plasma and peritoneal fluid population pharmacokinetics of micafungin in post-surgical patients with severe peritonitis
Published in
Journal of Antimicrobial Chemotherapy (JAC), July 2015
DOI 10.1093/jac/dkv173
Pubmed ID
Authors

S. Grau, S. Luque, N. Campillo, E. Samsó, U. Rodríguez, C. A. García-Bernedo, E. Salas, R. Sharma, W. W. Hope, J. A. Roberts

Abstract

Limited information about the pharmacokinetics of micafungin in the peritoneal cavity is available. The aim of this study was to explore the pharmacokinetics/pharmacodynamics of micafungin in plasma and peritoneal fluid in post-surgical critically ill patients with proven or suspected intra-abdominal fungal infection. Patients were administered 100 mg/day micafungin. Serial blood and peritoneal fluid samples were collected on day 1 and day 3 (steady-state) of treatment. Concentrations were determined by validated chromatography and were subject to a population pharmacokinetic analysis with Pmetrics(®). Monte Carlo simulations were performed for AUC0-24/MIC ratios in plasma. The PTA was calculated using AUC0-24/MIC cut-offs: 285 for Candida parapsilosis and 3000 for non-parapsilosis Candida spp. Ten patients were included; six were male. The median (range) age, APACHE II score and Mannheim peritonitis index were 72 (43-85) years, 15 (11-36) and 26 (8-37), respectively. On day 1, median (SD) penetration of micafungin into the peritoneal cavity was 30% (30%-40%). A three-compartment model adequately described the data. The mean (SD) estimates for clearance and volume of distribution of the central compartment were 1.27 (0.75) L/h and 9.26 (1.11) L, respectively. In most patients, the PTA in plasma was ≥90% for MICs of 0.008-0.016 mg/L for Candida spp. and 0.125-0.25 mg/L for C. parapsilosis. After the first dose, micafungin at 100 mg/day achieves pharmacokinetic/pharmacodynamic targets in plasma for Candida spp. and C. parapsilosis MICs of 0.008-0.016 and 0.125-0.25 mg/L, respectively.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 40 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 40 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 30%
Student > Ph. D. Student 6 15%
Other 5 13%
Student > Master 3 8%
Student > Postgraduate 2 5%
Other 6 15%
Unknown 6 15%
Readers by discipline Count As %
Medicine and Dentistry 17 43%
Pharmacology, Toxicology and Pharmaceutical Science 9 23%
Business, Management and Accounting 1 3%
Economics, Econometrics and Finance 1 3%
Agricultural and Biological Sciences 1 3%
Other 0 0%
Unknown 11 28%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 October 2015.
All research outputs
#16,047,334
of 25,374,647 outputs
Outputs from Journal of Antimicrobial Chemotherapy (JAC)
#5,884
of 8,174 outputs
Outputs of similar age
#146,025
of 276,422 outputs
Outputs of similar age from Journal of Antimicrobial Chemotherapy (JAC)
#65
of 109 outputs
Altmetric has tracked 25,374,647 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 8,174 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 7.9. This one is in the 25th percentile – i.e., 25% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 276,422 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 109 others from the same source and published within six weeks on either side of this one. This one is in the 38th percentile – i.e., 38% of its contemporaries scored the same or lower than it.