Pharmacokinetics and safety of propiverine in patients with fatty liver disease.
OBJECTIVE: The present study was designed to assess the pharmacokinetics of propiverine after single and multiple dosing in patients with and without fatty liver disease. METHODS: The serum concentration-time curves of propiverine and its main metabolite propiverine-N-oxide were investigated in 12 patients with mild to moderate impairment of liver function (mean antipyrine clearance 26.0 ml x min(-1)) and in 12 controls (antipyrine clearance 42.8 ml x min(-1)). Subjects were treated orally with propiverine hydrochloride (Mictonorm) for 5 days (15 mg t. i. d.) to reach steady state. RESULTS: No significant differences were observed for propiverine and its main metabolite with regard to peak serum concentration (Cmax), area under the serum concentration-time curve (AUC) and elimination half-life (t1/2). Adverse events were reported by 12 patients. Five patients with fatty liver disease and seven patients with normal liver function complained of dry mouth and/or blurred vision. All adverse events reported were transient and mild. CONCLUSION: No pharmacokinetic differences relevant for safety were observed, comparing patients with and without fatty liver disease following repeated oral administration of propiverine. Thus there seems to be no need to adjust the dose in patients with mild to moderate impairment of liver function.[1]References
- Pharmacokinetics and safety of propiverine in patients with fatty liver disease. Siepmann, M., Nokhodian, A., Thümmler, D., Kirch, W. Eur. J. Clin. Pharmacol. (1998) [Pubmed]
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