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  • Title: Modeling of sertindole pharmacokinetic disposition in healthy volunteers in short term dose-escalation studies.
    Author: Wong SL, Granneman GR.
    Journal: J Pharm Sci; 1998 Dec; 87(12):1629-31. PubMed ID: 10189278.
    Abstract:
    The pharmacokinetics of sertindole were studied in young, healthy volunteers after single and multiple oral dose administered under an escalating manner. In a low-dose study (study 1), subjects received 4-8 mg with a maintenance dose period of 7 days. In a high-dose study (study 2), subjects received 4 mg daily for 2 days, and the dose was increased by 4 mg increments every third day until reaching 20 mg daily. The mean terminal t 1,2 was 73 h after the final 8 mg dose in study 1 and 60 h after the 20 mg dose in study 2. The terminal elimination phase appeared to be monophasic in all the study subjects, suggesting that Michaelis-Menten saturable metabolism was not involved in the elimination of sertindole. Compartmental analyses suggested that the disproportional increase of the Cmax and AUC values from 4 mg to 20 mg during multiple dosing may be explained by saturable presystemic elimination of sertindole, leading to a higher fraction of sertindole available for absorption at higher doses.
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