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Clinical Trial Summary

Daptomycin is validated as a treatment of bone and joint infections by the Infectious Disease Society of America. However, most of studies did not investigate daptomycin pharmacokinetics in this indication while it is known that efficacy and toxicity concentration studies show a close therapeutic margin.

Evaluation of P-Glycoprotein (P-gp), a transmembrane transport protein, has demonstrated its influence on the concentration and intracellular activity of daptomycin. Recent work has linked the genetic polymorphism of P-gp to the pharmacokinetics of daptomycin, which may explain inter-individual variability but requires further explorations. Previous studies demonstrated existence of interindividual variabilities as sex, renal function and p-glycoprotein polymorphism couple with an intraindividual variabilities unexplained yet.

A population approach will be used to determinate the pharmacokinetics factors, their intra and interindividual variabilities, the parameters associated to those variabilities (as the p glycoprotein).

The investigator's goal is to evaluate different posology and to try to increase daptomycin efficacy and security in bone and joint infection.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT03134521
Study type Observational
Source Hospices Civils de Lyon
Contact
Status Active, not recruiting
Phase N/A
Start date December 1, 2016
Completion date June 30, 2017

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