PMID- 34896748 OWN - NLM STAT- MEDLINE DCOM- 20220131 LR - 20220131 IS - 1880-0920 (Electronic) IS - 1347-4367 (Linking) VI - 42 DP - 2022 Feb TI - Extrapolation of physiologically based pharmacokinetic model for tacrolimus from renal to liver transplant patients. PG - 100423 LID - S1347-4367(21)00044-6 [pii] LID - 10.1016/j.dmpk.2021.100423 [doi] AB - Physiologically based pharmacokinetic (PBPK) modeling is useful for evaluating differences in drug exposure among special populations, but it has not yet been employed to evaluate the absorption process of tacrolimus. In this study, we developed a minimal PBPK model with a compartmental absorption and transit model for renal transplant patients using available data in the literature and clinical data from our hospital. The effective permeability value of tacrolimus absorption and parameters for the single adjusting compartment were optimized via sensitivity analyses, generating a PBPK model of tacrolimus for renal transplant patients with good predictability. Next, we extrapolated the pharmacokinetics of tacrolimus for liver transplant patients by changing the population demographic parameters of the model. When the physiological parameters of a population with normal liver function were changed to those of a population with impaired hepatic function (Child-Pugh class A) in the constructed renal transplant PBPK model, the predicted tacrolimus concentrations were consistent with the observed concentrations in liver transplant patients. In conclusion, the constructed tacrolimus PBPK model for renal transplant patients could predict the pharmacokinetics in liver transplant patients by slightly reducing the hepatic function, even at three weeks post-transplantation. CI - Copyright (c) 2021 The Japanese Society for the Study of Xenobiotics. Published by Elsevier Ltd. All rights reserved. FAU - Itohara, Kotaro AU - Itohara K AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan. FAU - Yano, Ikuko AU - Yano I AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan; Department of Pharmacy, Kobe University Hospital, Chuo-ku, Kobe, 650-0017, Japan. Electronic address: iyano@med.kobe-u.ac.jp. FAU - Nakagawa, Shunsaku AU - Nakagawa S AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan. FAU - Yonezawa, Atsushi AU - Yonezawa A AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan; Graduate School of Pharmaceutical Sciences, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Omura, Tomohiro AU - Omura T AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan; Department of Pharmacy, Kobe University Hospital, Chuo-ku, Kobe, 650-0017, Japan. FAU - Imai, Satoshi AU - Imai S AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan. FAU - Nakagawa, Takayuki AU - Nakagawa T AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan. FAU - Sawada, Atsuro AU - Sawada A AD - Department of Urology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Kobayashi, Takashi AU - Kobayashi T AD - Department of Urology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Tochio, Akira AU - Tochio A AD - Department of Nephrology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Sakai, Kaoru AU - Sakai K AD - Department of Nephrology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Taura, Kojiro AU - Taura K AD - Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Ogawa, Osamu AU - Ogawa O AD - Department of Urology, Graduate School of Medicine, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan. FAU - Matsubara, Kazuo AU - Matsubara K AD - Department of Clinical Pharmacology and Therapeutics, Kyoto University Hospital, Sakyo-ku, Kyoto, 606-8507, Japan. LA - eng PT - Journal Article DEP - 20211001 PL - England TA - Drug Metab Pharmacokinet JT - Drug metabolism and pharmacokinetics JID - 101164773 RN - 0 (Immunosuppressive Agents) RN - WM0HAQ4WNM (Tacrolimus) SB - IM MH - Humans MH - Immunosuppressive Agents MH - Kidney MH - *Kidney Transplantation MH - *Liver Transplantation MH - Models, Biological MH - Tacrolimus OTO - NOTNLM OT - Liver transplantation OT - PBPK OT - Renal transplantation OT - Simcyp OT - Tacrolimus COIS- Declaration of competing interest None of the authors have any competing interests to declare. EDAT- 2021/12/14 06:00 MHDA- 2022/02/01 06:00 CRDT- 2021/12/13 12:54 PHST- 2021/05/25 00:00 [received] PHST- 2021/08/18 00:00 [revised] PHST- 2021/09/27 00:00 [accepted] PHST- 2021/12/14 06:00 [pubmed] PHST- 2022/02/01 06:00 [medline] PHST- 2021/12/13 12:54 [entrez] AID - S1347-4367(21)00044-6 [pii] AID - 10.1016/j.dmpk.2021.100423 [doi] PST - ppublish SO - Drug Metab Pharmacokinet. 2022 Feb;42:100423. doi: 10.1016/j.dmpk.2021.100423. Epub 2021 Oct 1.