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Drug Monitoring of Antibiotics in Critical Care Patients (DRAK)

L

Ludwig Maximilian University of Munich

Status

Completed

Conditions

ARDS
Sepsis

Study type

Observational

Funder types

Other

Identifiers

NCT01793012
MUC 428-12
DRKS00004426 (Other Identifier)

Details and patient eligibility

About

Infections are critical factors for the survival of critically ill patients. A broad, high-dose and early initial therapy of antibiotics is of particular relevance.

A serious problem is the high variability of antibiotic serum concentrations after administration of antibiotics in patients of the critical care units. This may result in the risk of underdosage with possible ineffective therapeutic levels as well as in the risk of overdosage with possible adverse and toxic effects. The goal of this study is to determine antibiotic concentrations in blood and to evaluate concentrations with the course of the therapy. The measurement of antibiotic concentrations in blood may allow an individual adaption of the dose in future.

100 - 200 patients will be included in this study. Only critically ill patients of the ICU of the Department of Anaesthesiology will be included that receive one or more of the following antibiotics: piperacillin/tazobactam, cefepime, meropenem, ciprofloxacin, linezolid, and colistin.

Full description

Substantial variations of serum concentrations of different antibiotics with partly insufficient levels have been observed in critically ill patients. The high variabilities between the pharmacokinetic parameters in different patients argue for a therapeutic drug monitoring (TDM) in intensive care units. TDM may lower the risk of overdosage with possible adverse and toxic effects as well as the risk of underdosage with possible insufficient therapeutic effects and development of antibiotic resistance. The aim of this study is to evaluate variabilities of pharmacokinetic parameters of different widely used antibiotics and to correlate them with clinical and laboratory parameters. Therefore, numerous clinical and laboratory parameters including serum, urine and dialysate concentrations of 6 different antibiotics will be determined in 100 - 200 critically ill patients of the Department of Anaesthesiology, University Hospital of Munich. Laboratory parameters (e.g. inflammatory parameters) will be quantified by facilities of the Institute of Laboratory Medicine, University Hospital of Munich. Concentrations of antibiotics will be determined by liquid chromatography-mass spectrometry (LC-MS/MS). We expect that correlations between antibiotic serum concentrations and clinical and laboratory outcome parameters will be found.

Enrollment

186 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  1. Hospitalisation in the critical care unit of the Department of Anaesthesiology of the University Hospital of Munich
  2. Presence of infection by clinical assessment
  3. Treatment of the patients with one or more of the following antibiotics: piperacillin/tazobactam, cefepime, meropenem, ciprofloxacin, linezolid, colistin
  4. Bolus administration of selected antibiotics
  5. Valid informed consent subscribed by the patient or by his or her legal guardian or - if only a provisional guardian is defined - by the provisional guardian.

Exclusion criteria

  1. Prophylactic antibiotics without clinical assessment for the presence of infection
  2. Planned shorter hospital stay than 4 days
  3. Administration of the selected antibiotic 14 days to 48 hours before the begin of the study
  4. Only a single dose of an antibiotic per day
  5. Subsequent withdrawal of the participation in the study by the patient or the guardian

Trial design

186 participants in 1 patient group

critically ill intensive care patients
Description:
Treatment with one or more of the following antibiotics: piperacillin/tazobactam, cefepime, meropenem, ciprofloxacin, linezolid, colistin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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