DataSheet1_Physiologically Based Pharmacokinetic Modelling for Nicotine and Cotinine Clearance in Pregnant Women.PDF (342.72 kB)
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DataSheet1_Physiologically Based Pharmacokinetic Modelling for Nicotine and Cotinine Clearance in Pregnant Women.PDF

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posted on 20.07.2021, 04:57 by Basile Amice, Harvey Ho, En Zhang, Chris Bullen

Introduction: Physiologically based pharmacokinetic (PBPK) models for the absorption, disposition, metabolism and excretion (ADME) of nicotine and its major metabolite cotinine in pregnant women (p-PBPK) are rare. The aim of this short research report is to present a p-PBPK model and its simulations for nicotine and cotinine clearance.

Methods: The maternal-placental-fetal compartments of the p-PBPK model contain a total of 16 compartments representing major maternal and fetal organs and tissue groups. Qualitative and quantitative data of nicotine and cotinine disposition and clearance have been incorporated into pharmacokinetic parameters.

Results: The p-PBPK model reproduced the higher clearance rates of nicotine and cotinine in pregnant women than non-pregnant women. Temporal profiles for their disposition in organs such as the brain were also simulated. Nicotine concentration reaches its maximum value within 2 min after an intravenous injection.

Conclusion: The proposed p-PBPK model produces results consistent with available data sources. Further pharmacokinetic experiments are required to calibrate clearance parameters for individual organs, and for the fetus.

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