Antimicrobial Pharmacokinetics and Pharmacodynamics in Children and in Adults

A special issue of Antibiotics (ISSN 2079-6382). This special issue belongs to the section "Antibiotics Use and Antimicrobial Stewardship".

Deadline for manuscript submissions: closed (31 May 2022) | Viewed by 2144

Special Issue Editors


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Guest Editor
Infectious Diseases Unit, Pediatric Sciences Department, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genova, Italy
Interests: Infections in pediatric intensive care and in critically ill pediatric patients; Bacterial and fungal infections in the immunocompromised host; PK/PD of anti-infectives

E-Mail Website
Guest Editor
Infectious Diseases Unit, Pediatric Sciences Department, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genova, Italy
Interests: Bacterial and fungal infections in the immunocompromised host; infections in cystic fibrosis; PK/PD of anti-infectives

E-Mail Website
Guest Editor
Infectious Diseases Unit, Pediatric Sciences Department, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147 Genova, Italy
Interests: Mother-to-child infections; infections in critical newborn; PK/PD of anti-infectives

Special Issue Information

Dear Colleagues,

Although the antibiotic pipeline has been implemented by new molecules in recent years, therapeutic options for difficult-to-treat infections from germs may still be limited.

In particular, this is true in the pediatric field, where the indications for new drugs often arrive years later than what happens in the adult patient.

In common clinical practice, the plasma levels of anti-infective drugs are measured above all to evaluate their possible toxicity, as occurs for aminoglycosides or vancomycin, and more rarely therapeutic drug monitoring (TDM) is used to evaluate their efficacy, as during treatment with voriconazole.

The monitoring of plasma concentrations of antimicrobials when compared with the minimum inhibitory concentrations (MICs) for a given pathogen can represent a fundamental tool for the personalization of treatments and in the prevention of the onset of resistant strains.

The setting where TDM can certainly potentially play a crucial role is that of intensive care; in fact, the critically ill patient presents a series of conditions that can modify the PK/PD parameters of antibiotic therapies such as renal insufficiency, which increases the concentration of some molecules, or the hyperfiltration that reduces it; or therapeutic measures such as continuous renal replacement therapy rather than ExtraCorporeal Membrane Oxygenation.

Considering the complexity of the conditions that the clinician has to manage in real life and the fundamental importance that pharmacokinetics and pharmacodynamics play in precision medicine, studies that increase knowledge of this subject are increasingly needed.

Dr. Alessio Mesini
Prof. Dr. Elio Castagnola
Dr. Carolina Saffioti
Guest Editors

Manuscript Submission Information

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Keywords

  • antimicrobial therapeutic drug monitoring
  • antibiotic plasma levels
  • antifungal plasma levels
  • personalized treatment
  • TDM in critical ill children
  • TDM in ICU
  • antimicrobial stewardship

Published Papers (1 paper)

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Research

12 pages, 1512 KiB  
Article
Comparison of Piperacillin and Tazobactam Pharmacokinetics in Critically Ill Patients with Trauma or with Burn
by Daniel J. Selig, Kevin S. Akers, Kevin K. Chung, Adrian T. Kress, Jeffrey R. Livezey, Elaine D. Por, Kaitlin A. Pruskowski and Jesse P. DeLuca
Antibiotics 2022, 11(5), 618; https://doi.org/10.3390/antibiotics11050618 - 4 May 2022
Cited by 6 | Viewed by 1753
Abstract
Critical illness caused by burn and sepsis is associated with pathophysiologic changes that may result in the alteration of pharmacokinetics (PK) of antibiotics. However, it is unclear if one mechanism of critical illness alters PK more significantly than another. We developed a population [...] Read more.
Critical illness caused by burn and sepsis is associated with pathophysiologic changes that may result in the alteration of pharmacokinetics (PK) of antibiotics. However, it is unclear if one mechanism of critical illness alters PK more significantly than another. We developed a population PK model for piperacillin and tazobactam (pip-tazo) using data from 19 critically ill patients (14 non-burn trauma and 5 burn) treated in the Military Health System. A two-compartment model best described pip-tazo data. There were no significant differences found in the volume of distribution or clearance of pip-tazo in burn and non-burn patients. Although exploratory in nature, our data suggest that after accounting for creatinine clearance (CrCl), doses would not need to be increased for burn patients compared to trauma patients on consideration of PK alone. However, there is a high reported incidence of augmented renal clearance (ARC) in burn patients and pharmacodynamic (PD) considerations may lead clinicians to choose higher doses. For critically ill patients with normal kidney function, continuous infusions of 13.5–18 g pip-tazo per day are preferable. If ARC is suspected or the most stringent PD targets are desired, then continuous infusions of 31.5 g pip-tazo or higher may be required. This approach may be reasonable provided that therapeutic drug monitoring is enacted to ensure pip-tazo levels are not supra-therapeutic. Full article
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