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[Nalidixic acid levels in the serum with restricted renal function (author's transl)]
MMW, Munchener Medizinische Wochenschrift
|September 24, 1976
Summary
Normal doses of nalidixic acid are effective for cystopyelonephritis in patients with reduced kidney function. Higher serum levels and lower urine concentrations were observed without side effects, indicating therapeutic efficacy.
Area of Science:
- Pharmacology
- Nephrology
- Infectious Diseases
Context:
- Cystopyelonephritis treatment
- Antibacterial therapy
- Renal function impairment
Purpose:
- Evaluate nalidixic acid pharmacokinetics in patients with impaired renal function
- Assess treatment efficacy and safety
- Determine optimal dosing strategies
Summary:
- Patients with cystopyelonephritis and restricted renal function receiving standard nalidixic acid doses exhibited higher serum levels but lower urine concentrations compared to those with normal kidney function.
- No adverse effects were noted during two weeks of treatment, and urine concentrations remained within the minimal inhibitory concentration range for susceptible gram-negative pathogens.
- Dose reduction in severe renal insufficiency is deemed unnecessary and potentially counterproductive, as it may lead to ineffective plasma and urine levels.
Impact:
- Supports the use of standard nalidixic acid doses in patients with renal impairment.
- Highlights the safety and efficacy of nalidixic acid for urinary tract infections in this population.
- Informs clinical practice regarding antibiotic dosing in patients with compromised kidney function.