Dosing of Antimycotic Treatment in Sepsis-Induced Liver Dysfunction by Functional Liver Testing with LiMAx®

Carmen Kirchner1, Jasmin Sibai1, Elke Schwier2

  • 1Department of General and Visceral Surgery, Thoracic Surgery and Proctology, Ruhr University Bochum, Klinikum Herford, Herford, Germany.

Abstract

Insights

This case report introduces a novel approach to sepsis treatment by tailoring antifungal medication dosage to individual liver function. This method optimizes drug effectiveness while minimizing potential liver damage in critically ill patients.

Area of Science:

  • Critical Care Medicine
  • Pharmacology
  • Hepatology

Background:

  • Sepsis, particularly fungal infections, poses a significant threat to patient survival.
  • Impaired liver function in septic shock alters hepatic drug metabolism.
  • Antifungal drug selection and dosing are critical challenges in sepsis management.

Observation:

  • A 56-year-old male with invasive fungal infection and multiorgan failure presented with complications including renal infarction and ischemic colitis.
  • The patient received systemic antifungal treatment with caspofungin, an echinocandin.
  • Metabolic liver function was assessed using LiMAx® to guide caspofungin dosing.

Findings:

  • Caspofungin dosing was adapted based on measured liver function capacity.
  • This individualized approach aimed for effective and liver-protective drug levels.
  • The patient was discharged in good condition after a prolonged hospital stay.

Implications:

  • This is the first report linking antimycotic drug dosing to a functional liver test.
  • A new strategy for sepsis treatment involves optimizing dosages of hepatically metabolized drugs based on liver function.
  • This approach holds promise for improving outcomes in patients with impaired liver function and fungal sepsis.

Related Concept Videos

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test01:22

Effect of Hepatic Disease on Pharmacokinetics: Pathophysiologic Assessment and Liver Function Test

In clinical practice, the direct measurement of hepatic blood flow to evaluate liver function presents significant challenges due to the intricate and specialized nature of the necessary techniques. Consequently, healthcare professionals often rely on empirical estimates derived from thorough patient examinations and liver function tests to gauge liver health. Among the tools at their disposal, the Child–Pugh and MELD scoring systems stand out for their ability to categorize and assess...
137
Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow01:26

Effect of Hepatic Disease on Pharmacokinetics: Drug Dosing and Hepatic Blood Flow

Chronic liver disease significantly impacts drug metabolism due to alterations in hepatic blood flow and enzyme accessibility. This disruption affects the body's pharmacokinetics—the movement and processing of drugs within the system. Key enzymes crucial for metabolizing medications become less accessible, changing how drugs are processed and utilized. Furthermore, liver disease influences the synthesis of plasma proteins, such as albumin and globulins, which play critical roles in drug...
172
Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment01:08

Effect of Hepatic Disease on Pharmacokinetics: Dose Adjustments Due to Hepatic Impairment

Hepatic impairment, characterized by decreased liver function, does not uniformly mandate adjustments in drug dosage. Whether dosage modifications are necessary depends on various factors related to the drug's metabolism and elimination pathways. If a drug is primarily excreted via the kidneys and bypasses significant hepatic processing, if it undergoes minimal metabolic transformation in the liver, or if it is volatile and primarily expelled through the lungs, dose adjustments may not be...
205
Effect of Hepatic Disease on Pharmacokinetics: Active Drug, Metabolite and Fraction of Metabolized Drug01:14

Effect of Hepatic Disease on Pharmacokinetics: Active Drug, Metabolite and Fraction of Metabolized Drug

In pharmacotherapy, monitoring drug concentrations is paramount, especially for drugs whose therapeutic effects hinge on both the active compound and its metabolite. Hepatic impairment profoundly influences drug potency by altering liver function. If the drug is more potent than its metabolite, impaired liver function amplifies drug activity due to elevated drug concentration levels. Conversely, if the metabolite holds greater potency, diminished liver function diminishes drug activity by...
161