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Kinetics of netilmicin in man
Clinical Pharmacology and Therapeutics
|June 1, 1978
Summary
Netilmicin, an investigational aminoglycoside antibiotic, demonstrates two-compartment kinetics after IV administration and complete bioavailability after IM injection. Its elimination profile suggests tubular reabsorption and extrarenal clearance.
Area of Science:
- Pharmacology
- Clinical Pharmacy
- Drug Kinetics
Background:
- Netilmicin is an investigational aminoglycoside antibiotic.
- Understanding its pharmacokinetic profile is crucial for therapeutic use.
Purpose of the Study:
- To determine the pharmacokinetics of netilmicin in humans.
- To compare its kinetic profile with other aminoglycosides.
Main Methods:
- Intravenous and intramuscular administration of netilmicin (2 mg/kg) in human subjects.
- Serum concentration monitoring and urinary excretion analysis.
Main Results:
- Intravenous netilmicin follows two-compartment open model kinetics.
- Steady-state volume of distribution is larger than sisomicin and tobramycin.
- Urinary excretion suggests tubular reabsorption and extrarenal clearance.
- Intramuscular absorption is complete and follows first-order kinetics.
Conclusions:
- Netilmicin exhibits distinct pharmacokinetic properties compared to related aminoglycosides.
- Complete bioavailability via intramuscular route supports its clinical utility.
- Further studies are warranted to elucidate its elimination pathways.