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Related Experiment Videos

[Hepatic diffusion of ceftriaxone].

F Lucht, S Tigaud, M Brun

    Pathologie-Biologie
    |June 1, 1986
    PubMed
    Summary
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    Ceftriaxone, a potent cephalosporin antibiotic, has a shorter half-life in the liver than in the serum. This finding suggests adjusted dosing for effective treatment of liver infections.

    Area of Science:

    • Pharmacology
    • Hepatology
    • Infectious Diseases

    Context:

    • Investigating the intrahepatic diffusion of ceftriaxone, a third-generation cephalosporin.
    • Utilizing percutaneous liver biopsy in sixteen patients with suspected liver disease or protracted fever of unknown origin.
    • Simultaneous collection of serum and liver biopsy specimens for drug concentration analysis.

    Purpose:

    • To determine the intrahepatic diffusion and half-life of ceftriaxone.
    • To compare the hepatic half-life of ceftriaxone with its serum half-life.
    • To inform optimal dosing strategies for ceftriaxone in treating liver infections.

    Summary:

    • Ceftriaxone, a potent third-generation cephalosporin, exhibits a significantly shorter half-life within liver tissue compared to its serum half-life.

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  • Serial measurements revealed a rapid elimination of ceftriaxone from the liver.
  • This pharmacokinetic difference was observed in patients undergoing liver biopsy.

    • Impact:

    • Suggests that current dosing regimens may be suboptimal for achieving therapeutic concentrations in the liver.
    • Recommends higher or more frequent dosing of ceftriaxone for effective treatment of hepatic infections.
    • Provides crucial data for clinicians managing bacterial infections affecting the liver.