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Taguchi K, Hashimoto M, Tokuno M, Takeoka S, Maruyama T, Yamasaki K, Otagiri M. Qualitative and quantitative status of cytochrome P450s after the administration of a liposomal platelet substitute in rat liver. Xenobiotica 2024:1-5. [PMID: 39087517 DOI: 10.1080/00498254.2024.2385535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 07/23/2024] [Accepted: 07/24/2024] [Indexed: 08/02/2024]
Abstract
In the process of the drug development, studies on the cytochrome P450 (CYP) profiles after its administration provided fundamental information regarding drug interactions with concomitantly administered drugs. Here, we evaluated the influence of the administration of H12-(ADP)-liposomes, a platelet substitute, on the mRNA and protein expression, and metabolic activity of CYPs, with focus on the CYP1A2, CYP2C11 and CYP3A2, in rat liver.At 24 h after administering saline or H12-(ADP)-liposomes (10 mg of lipids/kg), a quantitative RT-PCR and western blot analysis revealed that the mRNA and proteins expression of all of the target hepatic CYP isoforms were not different between the saline and H12-(ADP)-liposome groups. Furthermore, an ex vivo CYP metabolic activity assay showed that hepatic CYP metabolic activities in the H12-(ADP)-liposome group were comparable to the corresponding saline group. On the other hand, the area under the blood concentration-time curve for substitutes for CYP1A2 and CYP2C11 was higher in H12-(ADP)-liposome group than in saline group, but the degree of elevations was negligible levels.At a minimum, based on these results, we conclude that H12-(ADP)-liposomes have no quantitative and qualitative effect on the hepatic CYP isoforms, indicating that the drug interactions of H12-(ADP)-liposomes with CYP-metabolizing drugs would be negligible.
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Affiliation(s)
| | - Mai Hashimoto
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto, Japan
| | - Masahiro Tokuno
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto, Japan
| | - Shinji Takeoka
- Graduate School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Toru Maruyama
- Graduate School of Pharmaceutical Sciences, Kumamoto University, Kumamoto, Japan
| | - Keishi Yamasaki
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto, Japan
- DDS Research Institute, Sojo University, Kumamoto, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto, Japan
- DDS Research Institute, Sojo University, Kumamoto, Japan
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Morales Castro D, Dresser L, Granton J, Fan E. Pharmacokinetic Alterations Associated with Critical Illness. Clin Pharmacokinet 2023; 62:209-220. [PMID: 36732476 PMCID: PMC9894673 DOI: 10.1007/s40262-023-01213-x] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/15/2023] [Indexed: 02/04/2023]
Abstract
Haemodynamic, metabolic, and biochemical derangements in critically ill patients affect drug pharmacokinetics and pharmacodynamics making dose optimisation particularly challenging. Appropriate therapeutic dosing depends on the knowledge of the physiologic changes caused by the patient's comorbidities, underlying disease, resuscitation strategies, and polypharmacy. Critical illness will result in altered drug protein binding, ionisation, and volume of distribution; it will also decrease oral drug absorption, intestinal and hepatic metabolism, and renal clearance. In contrast, the resuscitation strategies and the use of vasoactive drugs may oppose these effects by leading to a hyperdynamic state that will increase blood flow towards the major organs including the brain, heart, kidneys, and liver, with the subsequent increase of drug hepatic metabolism and renal excretion. Metabolism is the main mechanism for drug clearance and is one of the main pharmacokinetic processes affected; it is influenced by patient-specific factors, such as comorbidities and genetics; therapeutic-specific factors, including drug characteristics and interactions; and disease-specific factors, like organ dysfunction. Moreover, organ support such as mechanical ventilation, renal replacement therapy, and extracorporeal membrane oxygenation may contribute to both inter- and intra-patient variability of drug pharmacokinetics. The combination of these competing factors makes it difficult to predict drug response in critically ill patients. Pharmacotherapy targeted to therapeutic goals and therapeutic drug monitoring is currently the best option for the safe care of the critically ill. The aim of this paper is to review the alterations in drug pharmacokinetics associated with critical illness and to summarise the available evidence.
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Affiliation(s)
- Diana Morales Castro
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital, University of Toronto, 585 University Avenue, 9-MaRS, Toronto, ON, M5G 2N2, Canada. .,Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada.
| | - Linda Dresser
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - John Granton
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital, University of Toronto, 585 University Avenue, 9-MaRS, Toronto, ON, M5G 2N2, Canada.,Department of Medicine, Toronto General Hospital, University of Toronto, Toronto, ON, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital, University of Toronto, 585 University Avenue, 9-MaRS, Toronto, ON, M5G 2N2, Canada.,Department of Medicine, Toronto General Hospital, University of Toronto, Toronto, ON, Canada.,Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
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Taguchi K. Pharmaceutical Technology Innovation Strategy Based on the Function of Blood Transport Proteins as DDS Carriers for the Treatment of Intractable Disorders and Cancer. Biol Pharm Bull 2020; 43:1815-1822. [PMID: 33268699 DOI: 10.1248/bpb.b20-00668] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Blood transport proteins are biogenic molecules with unique and interesting inherent characteristics that make up living organisms. As the utilization of their inherent characteristics can be a groundbreaking strategy to resolve and improve several clinical problems, attempts have been made to develop pharmaceutical and biomedical preparations based on blood transport proteins for the treatment and diagnosis of disorders. Among various blood transport proteins, we focus on the immense potential of hemoglobin and albumin to serve as carriers of biomedical gases (oxygen and carbon monoxide) and anticancer agents (low-molecular compounds and antisense oligodeoxynucleotides), respectively, for the development of innovative drug delivery systems (DDS) to treat intractable disorders and solid cancers. In this review, I introduce the pharmaceutical technology, strategies, and application of DDS carriers that have been designed on the basis of the structure and function of hemoglobin and albumin. In addition, the prospect of using hemoglobin and albumin as materials for DDS carriers is discussed.
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Affiliation(s)
- Kazuaki Taguchi
- Division of Pharmacodynamics, Keio University Faculty of Pharmacy
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