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Ni L, Cao Z, Jiang J, Zhang W, Hu W, Zhang Q, Shen C, Chen X, Zheng L. Evaluating Drug Interactions between Ritonavir and Opioid Analgesics: Implications from Physiologically Based Pharmacokinetic Simulation. Pharmaceuticals (Basel) 2024; 17:640. [PMID: 38794210 PMCID: PMC11124264 DOI: 10.3390/ph17050640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 05/05/2024] [Accepted: 05/13/2024] [Indexed: 05/26/2024] Open
Abstract
Several commonly used opioid analgesics, such as fentanyl, sufentanil, alfentanil, and hydrocodone, are by report primarily metabolized by the CYP3A4 enzyme. The concurrent use of ritonavir, a potent CYP3A4 inhibitor, can lead to significant drug interactions. Using physiologically based pharmacokinetic (PBPK) modeling and simulation, this study examines the effects of different dosing regimens of ritonavir on the pharmacokinetics of these opioids. The findings reveal that co-administration of ritonavir significantly increases the exposure of fentanyl analogs, with over a 10-fold increase in the exposure of alfentanil and sufentanil when given with ritonavir. Conversely, the effect of ritonavir on fentanyl exposure is modest, likely due to additional metabolism pathways. Additionally, the study demonstrates that the steady-state exposure of hydrocodone and its active metabolite hydromorphone can be increased by up to 87% and 95%, respectively, with concurrent use of ritonavir. The extended-release formulation of hydrocodone is particularly affected. These insights from PBPK modeling provide valuable guidance for optimizing opioid dosing and minimizing the risk of toxicity when used in combination with ritonavir-containing prescriptions.
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Affiliation(s)
- Liang Ni
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Zhihai Cao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
- School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Jiakang Jiang
- Department of Pharmacy and Biomedical Engineering, Clinical College of Anhui Medical University, Hefei 230031, China;
| | - Wei Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Qian Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
| | - Chaozhuang Shen
- Department of Clinical Pharmacy and Pharmacy Administration, West China School of Pharmacy, Sichuan University, Chengdu 610041, China;
| | - Xijing Chen
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing 210009, China;
| | - Liang Zheng
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China; (Z.C.); (W.Z.); (W.H.); (Q.Z.)
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Pang NH, Xu RA, Chen LG, Chen Z, Hu GX, Zhang BW. Inhibitory effects of the main metabolites of Apatinib on CYP450 isozymes in human and rat liver microsomes. Toxicol In Vitro 2024; 95:105739. [PMID: 38042355 DOI: 10.1016/j.tiv.2023.105739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 11/05/2023] [Accepted: 11/22/2023] [Indexed: 12/04/2023]
Abstract
PURPOSE The inhibitory effect of Apatinib on cytochrome P450 (CYP450) enzymes has been studied. However, it is unknown whether the inhibition is related to the major metabolites, M1-1, M1-2 and M1-6. METHODS A 5-in-1 cocktail system composed of CYP2B6/Cyp2b1, CYP2C9/Cyp2c11, CYP2E1/Cyp2e1, CYP2D6/Cyp2d1 and CYP3A/Cyp3a2 was used in this study. Firstly, the effects of APA and its main metabolites on the activities of HLMs, RLMs and recombinant isoforms were examined. The reaction mixture included HLMs, RLMs or recombinant isoforms (CYP3A4.1, CYP2D6.1, CYP2D6.10 or CYP2C9.1), analyte (APA, M1-1, M1-2 or M1-6), probe substrates. The reactions were pre-incubated for 5 min at 37 °C, followed by the addition of NAPDH to initiate the reactions, which continued for 40 min. Secondly, IC50 experiments were conducted to determine if the inhibitions were reversible. The reaction mixture of the "+ NADPH Group" included HLMs or RLMs, 0 to 100 of μM M1-1 or M1-2, probe substrates. The reactions were pre-incubated for 5 min at 37 °C, and then NAPDH was added to initiate reactions, which proceeded for 40 min. The reaction mixture of the "- NADPH Group" included HLMs or RLMs, probe substrates, NAPDH. The reactions were pre-incubated for 30 min at 37 °C, and then 0 to 100 μM of M1-1 or M1-2 was added to initiate the reactions, which proceeded for 40 min. Finally, the reversible inhibition of M1-1 and M1-2 on isozymes was determined. The reaction mixture included HLMs or RLMs, 0 to 10 μM of M1-1 or M1-2, probe substrates with concentrations ranging from 0.25Km to 2Km. RESULTS Under the influence of M1-6, the activity of CYP2B6, 2C9, 2E1 and 3A4/5 was increased to 193.92%, 210.82%, 235.67% and 380.12% respectively; the activity of CYP2D6 was reduced to 92.61%. The inhibitory effects of M1-1 on CYP3A4/5 in HLMs and on Cyp2d1 in RLMs, as well as the effect of M1-2 on CYP3A in HLMs, were determined to be noncompetitive inhibition, with the Ki values equal to 1.340 μM, 1.151 μM and 1.829 μM, respectively. The inhibitory effect of M1-1 on CYP2B6 and CYP2D6 in HLMs, as well as the effect of M1-2 on CYP2C9 and CYP2D6 in HLMs, were determined to be competitive inhibition, with the Ki values equal to 12.280 μM, 2.046 μM, 0.560 μM and 4.377 μM, respectively. The inhibitory effects of M1-1 on CYP2C9 in HLMs and M1-2 on Cyp2d1 in RLMs were determined to be mixed-type, with the Ki values equal to 0.998 μM and 0.884 μM. The parameters could not be obtained due to the atypical kinetics of CYP2E1 in HLMs under the impact of M1-2. CONCLUSIONS M1-1 and M1-2 exhibited inhibition for several CYP450 isozymes, especially CYP2B6, 2C9, 2D6 and 3A4/5. This observation may uncover potential drug-drug interactions and provide valuable insights for the clinical application of APA.
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Affiliation(s)
- Ni-Hong Pang
- Department of Pharmacy, The Third Affiliated Hospital of Shanghai University (Wenzhou People's Hospital), Wenzhou, Zhejiang 325000, China
| | - Ren-Ai Xu
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Lian-Guo Chen
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Zhe Chen
- Department of Pharmacy, The Third Affiliated Hospital of Shanghai University (Wenzhou People's Hospital), Wenzhou, Zhejiang 325000, China
| | - Guo-Xin Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325000, China.
| | - Bo-Wen Zhang
- Department of Pharmacy, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China.
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Zheng L, Zhang W, Olkkola KT, Dallmann A, Ni L, Zhao Y, Wang L, Zhang Q, Hu W. Physiologically based pharmacokinetic modeling of ritonavir-oxycodone drug interactions and its implication for dosing strategy. Eur J Pharm Sci 2024; 194:106697. [PMID: 38199444 DOI: 10.1016/j.ejps.2024.106697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 11/13/2023] [Accepted: 01/07/2024] [Indexed: 01/12/2024]
Abstract
The concomitant administration of ritonavir and oxycodone may significantly increase the plasma concentrations of oxycodone. This study was aimed to simulate DDI between ritonavir and oxycodone, a widely used opioid, and to formulate dosing protocols for oxycodone by using physiologically based pharmacokinetic (PBPK) modeling. We developed a ritonavir PBPK model incorporating induction and competitive and time-dependent inhibition of CYP3A4 and competitive inhibition of CYP2D6. The ritonavir model was evaluated with observed clinical pharmacokinetic data and validated for its CYP3A4 inhibition potency. We then used the model to simulate drug interactions between oxycodone and ritonavir under various dosing scenarios. The developed model captured the pharmacokinetic characteristics of ritonavir from clinical studies. The model also accurately predicts exposure changes of midazolam, triazolam, and oxycodone in the presence of ritonavir. According to model simulations, the steady-state maximum, minimum and average concentrations of oxycodone increased by up to 166% after co-administration with ritonavir, and the total exposure increased by approximately 120%. To achieve similar steady-state concentrations, halving the dose with an unchanged dosing interval or doubling the dosing interval with an unaltered single dose should be practical for oxycodone, whether formulated in uncoated or controlled-release tablets during long-term co-medication with ritonavir. The results revealed exposure-related risks of oxycodone-ritonavir interactions that have not been studied clinically and emphasized PBPK as a workable method to direct judicious dosage.
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Affiliation(s)
- Liang Zheng
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
| | - Wei Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Klaus T Olkkola
- Department of Anaesthesiology and Intensive Care Medicine, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.
| | - André Dallmann
- Pharmacometrics/Modeling and Simulation, Research and Development, Pharmaceuticals, Bayer AG, Leverkusen, Germany.
| | - Liang Ni
- Clinical Pharmacokinetics Laboratory, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Yingjie Zhao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Ling Wang
- Department of Clinical Pharmacy and Pharmacy Administration, West China School of Pharmacy, Sichuan University, Chengdu, China
| | - Qian Zhang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, China.
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Yumoto Y, Endo T, Harada H, Kobayashi K, Nakabayashi T, Abe Y. High-throughput assay to simultaneously evaluate activation of CYP3A and the direct and time-dependent inhibition of CYP3A, CYP2C9, and CYP2D6 using liquid chromatography-tandem mass spectrometry. Xenobiotica 2024; 54:45-56. [PMID: 38265764 DOI: 10.1080/00498254.2024.2308818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 01/18/2024] [Indexed: 01/25/2024]
Abstract
In the early stages of drug discovery, adequate evaluation of the potential drug-drug interactions (DDIs) of drug candidates is important. Several CYP3A activators are known to lead to underestimation of DDIs. These compounds affect midazolam 1'-hydroxylation but not midazolam 4-hydroxylation.We used both metabolic reactions of midazolam to evaluate the activation and inhibition of CYP3A activators simultaneously. For our CYP inhibition assay using cocktail probe substrates, simultaneous liquid chromatography-tandem mass spectrometry monitoring of 1'-hydroxymidazolam and 4-hydroxymidazolam for CYP3A was established in addition to monitoring of 4-hydroxydiclofenac and 1'-hydroxybufuralol for CYP2C9 and CYP2D6.The results of our cocktail inhibition assay were well correlated with those of a single inhibition assay, as were the estimated inhibition parameters for typical CYP3A inhibitors. In our assay, a proprietary compound that activated midazolam 1'-hydroxylation and tended to inhibit 4-hydroxylation was evaluated along with known CYP3A activators. All compounds were well characterised by comparison of the results of midazolam 1'- and 4-hydroxylation.In conclusion, our CYP cocktail inhibition assay can detect CYP3A activation and assess the direct and time-dependent inhibition potentials for CYP3A, CYP2C9, and CYP2D6. This method is expected to be very efficient in the early stages of drug discovery.
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Affiliation(s)
- Yu Yumoto
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Takuro Endo
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Hiroshi Harada
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Kaoru Kobayashi
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Takeshi Nakabayashi
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
| | - Yoshikazu Abe
- Central Research Laboratories, Kissei Pharmaceutical Co., Ltd, Azumino, Nagano, Japan
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Tamemoto Y, Shibata Y, Hashimoto N, Sato H, Hisaka A. Involvement of multiple cytochrome P450 isoenzymes in drug interactions between ritonavir and direct oral anticoagulants. Drug Metab Pharmacokinet 2023; 53:100498. [PMID: 37778107 DOI: 10.1016/j.dmpk.2023.100498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/20/2023] [Accepted: 02/14/2023] [Indexed: 02/21/2023]
Abstract
Herein, we aimed to determine the significance of drug interactions (DIs) between ritonavir and direct oral anticoagulants (DOACs) and identify the involved cytochrome P450 (CYP) isoenzymes. Using an in vitro cocktail method with human liver microsomes (HLM), we observed that ritonavir strongly inhibited CYPs in the following order: CYP3A, CYP2C8, CYP2D6, CYP2C9, CYP2C19, CYP2B6, and CYP2J2 (IC50: 0.023-6.79 μM). The degree of CYP2J2 inhibition was inconclusive, given the substantial discrepancy between the HLM and human expression system. Selective inhibition of CYP3A decreased the O-demethylation of apixaban by only 13.4%, and the involvement of multiple CYP isoenzymes was suggested, all of which were inhibited by ritonavir. Multiple CYP isoenzymes contributed also to the metabolism of rivaroxaban. Replacement of the incubation medium with phosphate buffer instead of HEPES enhanced apixaban hydroxylation. On surveying the FDA Adverse Event Reporting System, we detected that the signal of the proportional reporting ratio of "death" and found increase for "hemoglobin decreased" (12.5-fold) and "procedural hemorrhage" (201.9-fold) on administering apixaban with ritonavir; these were far less significant for other CYP3A inhibitors. Overall, these findings suggest that co-administration of ritonavir-boosted drugs with DOACs may induce serious DIs owing to the simultaneous inhibition of multiple CYP isoenzymes.
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Affiliation(s)
- Yuta Tamemoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8675, Japan.
| | - Yukihiro Shibata
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8675, Japan; Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1, Tanabe-dori, Mizuho-ku, Nagoya-shi, Aichi, 467-8603, Japan.
| | - Natsumi Hashimoto
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8675, Japan.
| | - Hiromi Sato
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8675, Japan.
| | - Akihiro Hisaka
- Graduate School of Pharmaceutical Sciences, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba-shi, Chiba, 260-8675, Japan.
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Sun P, Cao Y, Qiu J, Kong J, Zhang S, Cao X. Inhibitory Mechanisms of Lekethromycin in Dog Liver Cytochrome P450 Enzymes Based on UPLC-MS/MS Cocktail Method. Molecules 2023; 28:7193. [PMID: 37894672 PMCID: PMC10609143 DOI: 10.3390/molecules28207193] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 10/11/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
Lekethromycin (LKMS) is a synthetic macrolide compound derivative intended for use as a veterinary medicine. Since there have been no in vitro studies evaluating its potential for drug-drug interactions related to cytochrome P450 (CYP450) enzymes, the effect of the inhibitory mechanisms of LKMS on CYP450 enzymes is still unclear. Thus, this study aimed to evaluate the inhibitory effects of LKMS on dog CYP450 enzymes. A cocktail approach using ultra-performance liquid chromatography-tandem mass spectrometry was conducted to investigate the inhibitory effect of LKMS on canine CYP450 enzymes. Typical probe substrates of phenacetin, coumarin, bupropion, tolbutamide, dextromethorphan, chlorzoxazone, and testosterone were used for CYP1A2, CYP2A6, CYP2B6, CYP2C9, CYP2D6, CYP2E1, and CYP3A4, respectively. This study showed that LKMS might not be a time-dependent inhibitor. LKMS inhibited CYP2A6, CYP2B6, and CYP2D6 via mixed inhibition. LKMS exhibited mixed-type inhibition against the activity of CYP2A6 with an inhibition constant (Ki) value of 135.6 μΜ. LKMS inhibited CYP2B6 in a mixed way, with Ki values of 59.44 μM. A phenotyping study based on an inhibition assay indicated that CYP2D6 contributes to the biotransformation of LKMS. A mixed inhibition of CYP2D6 with Ki values of 64.87 μM was also observed. Given that this study was performed in vitro, further in vivo studies should be conducted to identify the interaction between LKMS and canine CYP450 enzymes to provide data support for the clinical application of LKMS and the avoidance of adverse interactions between other drugs.
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Affiliation(s)
- Pan Sun
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
| | - Yuying Cao
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
| | - Jicheng Qiu
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
| | - Jingyuan Kong
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
| | - Suxia Zhang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
| | - Xingyuan Cao
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China; (P.S.); (Y.C.); (J.Q.); (J.K.); (S.Z.)
- Laboratory of Quality & Safety Risk Assessment for Animal Products on Chemical Hazards (Beijing), Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
- Key Laboratory of Detection for Veterinary Drug Residues and Illegal Additives, Ministry of Agriculture and Rural Affairs of the People’s Republic of China, Beijing 100193, China
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He C, Mao Y, Wan H. Preclinical evaluation of chemically reactive metabolites and mitigation of bioactivation in drug discovery. Drug Discov Today 2023; 28:103621. [PMID: 37201781 DOI: 10.1016/j.drudis.2023.103621] [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: 12/20/2022] [Revised: 04/25/2023] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
The formation of reactive metabolites (RMs) is thought to be one of the pathogeneses for some idiosyncratic adverse drug reactions (IADRs) which are considered one of the leading causes of some drug attritions and/or recalls. Minimizing or eliminating the formation of RMs via chemical modification is a useful tactic to reduce the risk of IADRs and time-dependent inhibition (TDI) of cytochrome P450 enzymes (CYPs). The RMs should be carefully handled before making a go-no-go decision. Herein, we highlight the role of RMs in the occurrence of IADRs and CYP TDI, the risk of structural alerts, the approaches of RM assessment at the discovery stage and strategies to minimize or eliminate RM liability. Finally, some considerations for developing a RM-positive drug candidate are suggested.
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Affiliation(s)
- Chunyong He
- Department of DMPK/Tox, Shanghai Hengrui Pharmaceutical, No. 279 Wenjing Road, Shanghai 200245, China.
| | - Yuchang Mao
- Department of DMPK/Tox, Shanghai Hengrui Pharmaceutical, No. 279 Wenjing Road, Shanghai 200245, China
| | - Hong Wan
- Department of DMPK/Bioanalysis, Shanghai Medicilon, No. 585 Chuanda Road, Shanghai 201299, China.
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Xu RA, Li QQ, Gao NY, Wang J, Li XY, Ye F, Ni JH, Hu GX, Qian JC. Effect of flavonoids and CYP3A4 variants on midostaurin metabolism. Food Chem Toxicol 2023; 174:113669. [PMID: 36805545 DOI: 10.1016/j.fct.2023.113669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 02/08/2023] [Accepted: 02/13/2023] [Indexed: 02/19/2023]
Abstract
The objective of this study was to determine the effect of flavonoids on midostaurin disposition considering co-administration and metabolic enzyme gene polymorphism. Enzymatic incubation assays were performed in vitro, while in vivo experiments were conducted in Sprague-Dawley rats. The analytes were determined via UPLC-MS/MS. We found that myricetin was the most potent among the investigated 10 flavonoids in suppressing the metabolism of midostaurin, with an IC50 at a low μM level. After co-administration of midostaurin and myricetin, the plasma concentration of midostaurin's primary metabolite CGP62221 was reduced corresponding to myricetin exposure. Furthermore, CYP3A4 homologous rat protein CYP3A2 was reduced significantly in the co-administration group. Thereafter, the kinetic parameters of 23 recombinant human CYP3A4 variants were determined using midostaurin. The relative intrinsic clearance varied from 269.63% in CYP3A4.29-8.95% in CYP3A4.17. In addition, the inhibitory potency of myricetin was substantially different for CYP3A4.29 and CYP3A4.17 compared with wild type, with IC50 values of 9.85 ± 0.27 μM and 90.99 ± 16.13 μM, respectively. Collectively, our data demonstrated that flavonoids, particularly myricetin, can inhibit the metabolism of midostaurin. Additionally, CYP3A4 genetic polymorphism may contribute to stratification of midostaurin blood exposure.
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Affiliation(s)
- Ren-Ai Xu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325000, China; Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Qing-Qing Li
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Nan-Yong Gao
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jing Wang
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xin-Yue Li
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Feng Ye
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jin-Huan Ni
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Guo-Xin Hu
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Jian-Chang Qian
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
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9
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Gadgoli UB, Sunil Kumar YC, Kumar D. An Insight into the Metabolism of 2,5-Disubstituted Monotetrazole Bearing Bisphenol Structures: Emerging Bisphenol A Structural Congeners. Molecules 2023; 28:molecules28031465. [PMID: 36771130 PMCID: PMC9921896 DOI: 10.3390/molecules28031465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/18/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023] Open
Abstract
The non-estrogenic 2,5-disubstituted tetrazole core-bearing bisphenol structures (TbB) are being researched as emerging structural congeners of Bisphenol A, an established industrial endocrine disruptor. However, there is no understanding of TbB's adverse effects elicited via metabolic activation. Therefore, the current study aimed to investigate the metabolism of TbB ligands, with in silico results serving as a guide for in vitro studies. The Cytochrome P450 enzymes (CYP) inhibitory assay of TbB ligands on the seven human liver CYP isoforms (i.e., 1A2, 2A6, 2D6, 2C9, 2C8, 2C19, and 3A4) using human liver microsomes (HLM) revealed TbB ligand 223-3 to have a 50% inhibitory effect on all the CYP isoforms at a 10 μM concentration, except 1A2. The TbB ligand 223-10 inhibited 2B6 and 2C8, whereas the TbB ligand 223-2 inhibited only 2C9. The first-order inactivity rate constant (Kobs) studies indicated TbB ligands 223-3, 223-10 to be time-dependent (TD) inhibitors, whereas the TbB 223-2 ligand did not show such a significant effect. The 223-3 exhibited a TD inhibition for 2C9, 2C19, and 1A2 with Kobs values of 0.0748, 0.0306, and 0.0333 min-1, respectively. On the other hand, the TbB ligand 223-10 inhibited 2C9 in a TD inhibition manner with Kobs value 0.0748 min-1. However, the TbB ligand 223-2 showed no significant TD inhibition effect on the CYPs. The 223-2 ligand biotransformation pathway by in vitro studies in cryopreserved human hepatocytes suggested the clearance via glucuronidation with the predominant detection of only 223-2 derived mono glucuronide as a potential inactive metabolite. The present study demonstrated that the 223-2 ligand did not elicit any significant adverse effect via metabolic activation, thus paving the way for its in vivo drug-drug interactions (DDI) studies.
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Affiliation(s)
- Umesh B. Gadgoli
- Department of Chemistry, M.S. Ramaiah University of Applied Sciences, Bengaluru 560054, Karnataka, India
- Correspondence:
| | - Yelekere C. Sunil Kumar
- Dayanada Sagar Academy of Technology and Management, Kanakapura Rd, Opp. Art of Living International Centre, Udaypura, Bengaluru 560082, Karnataka, India
| | - Deepak Kumar
- Department of Chemistry, M.S. Ramaiah University of Applied Sciences, Bengaluru 560054, Karnataka, India
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10
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Mons E, Roet S, Kim RQ, Mulder MPC. A Comprehensive Guide for Assessing Covalent Inhibition in Enzymatic Assays Illustrated with Kinetic Simulations. Curr Protoc 2022; 2:e419. [PMID: 35671150 DOI: 10.1002/cpz1.419] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Covalent inhibition has become more accepted in the past two decades, as illustrated by the clinical approval of several irreversible inhibitors designed to covalently modify their target. Elucidation of the structure-activity relationship and potency of such inhibitors requires a detailed kinetic evaluation. Here, we elucidate the relationship between the experimental read-out and the underlying inhibitor binding kinetics. Interactive kinetic simulation scripts are employed to highlight the effects of in vitro enzyme activity assay conditions and inhibitor binding mode, thereby showcasing which assumptions and corrections are crucial. Four stepwise protocols to assess the biochemical potency of (ir)reversible covalent enzyme inhibitors targeting a nucleophilic active site residue are included, with accompanying data analysis tailored to the covalent binding mode. Together, this will serve as a guide to make an educated decision regarding the most suitable method to assess covalent inhibition potency. © 2022 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol I: Progress curve analysis of substrate association competition Basic Data Analysis Protocol 1A: Two-step irreversible covalent inhibition Basic Data Analysis Protocol 1B: One-step irreversible covalent inhibition Basic Data Analysis Protocol 1C: Two-step reversible covalent inhibition Basic Data Analysis Protocol 1D: Two-step irreversible covalent inhibition with substrate depletion Basic Protocol II: Incubation time-dependent potency IC50 (t) Basic Data Analysis Protocol 2: Two-step irreversible covalent inhibition Basic Protocol III: Preincubation time-dependent inhibition without dilution Basic Data Analysis Protocol 3: Preincubation time-dependent inhibition without dilution Basic Data Analysis Protocol 3Ai: Two-step irreversible covalent inhibition Alternative Data Analysis Protocol 3Aii: Two-step irreversible covalent inhibition Basic Data Analysis Protocol 3Bi: One-step irreversible covalent inhibition Alternative Data Analysis Protocol 3Bii: One-step irreversible covalent inhibition Basic Data Analysis Protocol 3C: Two-step reversible covalent inhibition Basic Protocol IV: Preincubation time-dependent inhibition with dilution/competition Basic Data Analysis Protocol 4: Preincubation time-dependent inhibition with dilution Basic Data Analysis Protocol 4Ai: Two-step irreversible covalent inhibition Alternative Data Analysis Protocol 4Aii: Two-step irreversible covalent inhibition Basic Data Analysis Protocol 4Bi: One-step irreversible covalent inhibition Alternative Data Analysis Protocol 4Bii: One-step irreversible covalent inhibition.
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Affiliation(s)
- Elma Mons
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, Leiden, The Netherlands.,Current: Institute of Biology Leiden, Leiden University, Leiden, The Netherlands
| | - Sander Roet
- Department of Chemistry, Norwegian University of Science and Technology, Trondheim, Norway
| | - Robbert Q Kim
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, Leiden, The Netherlands
| | - Monique P C Mulder
- Department of Cell and Chemical Biology, Oncode Institute, Leiden University Medical Center, Leiden, The Netherlands
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11
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Qian J, Li Y, Zhang X, Chen D, Han M, Xu T, Chen B, Hu G, Li J. Herbacetin Broadly Blocks the Activities of CYP450s by Different Inhibitory Mechanisms. PLANTA MEDICA 2022; 88:507-517. [PMID: 34116570 DOI: 10.1055/a-1502-7131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Herbacetin is a bioactive flavanol compound that has various pharmacological effects. However, the pharmacokinetic characteristics have not been thoroughly investigated. Previously, we screened a natural compound library and identified herbacetin as a potent CYP blocker. Herein, we aimed to mechanistically determine the inhibitory effects of herbacetin on CYP450 and its potential application. A human liver microsome incubation system was developed based on a UPLC-MS/MS method. Moreover, an in silico docking assay and a human CYP recombinase reaction system were developed and used to investigate binding affinity and inhibitory efficacy. Subsequently, the effects of the combination of herbacetin and sorafenib on HepG2 cells were assessed by MTT and immunoblotting assays. The concentration of sorafenib and its main metabolite were measured by UPLC-MS/MS after incubation with or without herbacetin. As a result, we found herbacetin almost completely inhibited the functions of major CYPs at 100 µM. Moreover, through analysis of the structure-activity relationship, we found 4-, 6-, and 8-hydroxyl were essential groups for the inhibitory effects. Herbacetin inhibited CYP3A4, CYP2B6, CYP2C9, and CYP2E1 in a mixed manner, but non-competitively blocked CYP2D6. These results are in good agreement with the recombinase reaction in vitro results, with an IC50 < 10 µM for each tested isoenzyme. Interestingly, the stimulatory effects of sorafenib on HepG2 cell apoptosis were significantly enhanced by combining with herbacetin, which was associated with increased sorafenib exposure. In summary, herbacetin is a potent inhibitor of a wide spectrum of CYP450s, which may enhance the exposure of drugs in vivo.
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Affiliation(s)
- Jianchang Qian
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yinghui Li
- Ruian People's Hospital, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaodan Zhang
- The Seventh People's Hospital of Wenzhou, Wenzhou, Zhejiang, China
| | - Daoxing Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Mingming Han
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Tao Xu
- Ningbo City First Hospital, Ningbo, Zhejiang, China
| | - Bingbing Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Guoxin Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Junwei Li
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China
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12
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Li S, Li X, Yuan D, Wang B, Yang R, Zhang M, Li J, Zeng F. Effects of paeoniflorin on the activities and mRNA expression of rat CYP1A2, CYP2C11 and CYP3A1 enzymes in vivo. Xenobiotica 2021; 51:961-967. [PMID: 29160125 DOI: 10.1080/00498254.2017.1404659] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Paeoniflorin is the major constituent in extracts of the paeony root, the purpose of the present study was to assess the effects of paeoniflorin on the activities and mRNA expression of the rat hepatic drug-metabolizing enzymes cytochrome P450 (CYP1A2), CYP2C11 and CYP3A1 in vivo.Sprague-Dawley (SD) male rats were treated with paeoniflorin at the dosage of 25, 50 and 100 mg/kg or 0.9% sodium chloride solution by intragastric administration for 7 days, then were given probe drugs phenacetin (CYP1A2), tolbutamide (CYP2C11), or midazolam (CYP3A1) orally on the eighth day. Blood samples were collected at various times, and the plasma concentrations of the probe drugs were estimated with ultra-high-performance liquid chromatography. The mRNA expression levels of rat hepatic CYP1A2, CYP2C11 and CYP3A1 were analysed with real-time PCR.The pharmacokinetic results indicated that paeoniflorin inhibits the activities of CYP1A2, CYP2C11 and CYP3A1 in vivo. The effect was most pronounced on CYP3A1, according to the United States Food and Drug Administration classification of inhibitors of CYP3A, it reached the category of moderate inhibition. The mRNA expression levels of 3 CYP enzymes were also tended to be inhibited.We conclude that paeoniflorin can inhibit the activities of CYP1A2, CYP2C11 and CYP3A1 in vivo, which may affect the metabolism of drugs that are primarily dependent on these pathways.
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Affiliation(s)
- Sicong Li
- Sichuan Animal Science Academy, Chengdu, China
| | - Xuting Li
- Sichuan Animal Science Academy, Chengdu, China
| | | | - Bin Wang
- Sichuan Animal Science Academy, Chengdu, China
| | - Rui Yang
- Sichuan Animal Science Academy, Chengdu, China
| | - Min Zhang
- Sichuan Animal Science Academy, Chengdu, China
| | - Jinliang Li
- Sichuan Animal Science Academy, Chengdu, China
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13
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Dong J, Li S, Liu G. Binimetinib Is a Potent Reversible and Time-Dependent Inhibitor of Cytochrome P450 1A2. Chem Res Toxicol 2021; 34:1169-1174. [PMID: 33728909 DOI: 10.1021/acs.chemrestox.1c00036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Binimetinib is a selective MEK1/2 inhibitor, which is indicative of melanoma. We aimed to investigate the inhibitory effect of binimetinib on cytochrome P450 using human liver microsomes. Binimetinib was demonstrated to display reversible and time-dependent inhibitory effects on human CYP1A2. Binimetinib can inhibit the activity of phenacetin deethylation with IC50 of 5.6 μM. A 30 min preincubation of binimetinib with NADPH-supplemented human liver microsomes raised a significant left IC50 shift (6.5-fold), from 5.69-0.88 μM. The inactivation parameters Kinact and KI were 0.063 min-1 and 15.47 μM, and the half-life of inactivation was 11 min. Glutathione (GSH) and catalase/superoxide exhibited minor or no protective effect on binimetinib-induced enzyme inactivation. Trapping experiment by GSH induced a detection of GSH adduct, of which the formation was believed to be through the oxidation of electron-rich 1,4-benzenediamine to reactive 1,4-diiminoquinone species. Cytochrome P450 3A4, 2C9, and 2D6 were involved in the bioactivation of binimetinib. In conclusion, binimetinib was proven to display reversible and time-dependent inhibitory effect on CYP1A2, which may have implications for the toxicity of binimetinib.
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Affiliation(s)
- Jiangnan Dong
- Department of Pharmacy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang 110042, China
| | - Su Li
- Department of Pharmacy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang 110042, China
| | - Guangxuan Liu
- Department of Pharmacy, Cancer Hospital of China Medical University, Liaoning Cancer Hospital and Institute, Shenyang 110042, China
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14
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Wright KM, Magana AA, Laethem RM, Moseley CL, Banks TT, Maier CS, Stevens JF, Quinn JF, Soumyanath A. Centella asiatica Water Extract Shows Low Potential for Cytochrome P450-Mediated Drug Interactions. Drug Metab Dispos 2020; 48:1053-1063. [PMID: 32581050 PMCID: PMC7543484 DOI: 10.1124/dmd.120.090860] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 06/12/2020] [Indexed: 02/06/2023] Open
Abstract
Centella asiatica (CA) shows considerable promise for development as a botanical drug for cognitive decline. Its primary bioactive components include triterpene glycosides asiaticoside and madecassoside and their corresponding aglycones asiatic acid and madecassic acid. Exploration of the bioactivity of CA's caffeoylquinic acids is ongoing. In this study, an aqueous extract of CA (CAW-R61J) was evaluated for drug interaction potential through inhibition or induction of P450 enzymes, as required by the US Food and Drug Administration. CAW-R61J was assessed for induction potential of CYP1A2, CYP2B6, and CYP3A4 using transporter-certified cryopreserved human hepatocytes in sandwich culture. Gene expression of these target P450s was quantified, and enzyme activities were determined to confirm gene expression results. No induction was observed up to 16.7 µg/ml CAW-R61J (equivalent to 1.1 µM asiaticoside, 0.8 µM madecassoside, 0.09 µM asiatic acid, and 0.12 µM madecassic acid). Reversible and time-dependent inhibitory effects of CAW-R61J on CYP1A2, CYP2B6, CYP2C8, CYP2C9, CYP2C19, CYP2D6, and CYP3A4/5 were evaluated using human liver microsomes. CAW-R61J showed weak reversible inhibition of most of the P450 forms tested, with the strongest being CYP2C9 (IC50 of 330 µg/ml). CAW-R61J (≤1000 µg/ml) was not a time-dependent inhibitor of any of these P450 enzymes. In summary, CAW-R61J had no, or only a weak impact, on P450 induction and inhibition in vitro. The clinical relevance of these results will depend on the in vivo concentration of CAW-R61J components achieved in humans. Plasma triterpene concentrations measured in our recent clinical studies suggest minimal risk of P450-mediated drug interactions by these components. SIGNIFICANCE STATEMENT: A preparation of Centella asiatica is currently under clinical development for the prevention or treatment of cognitive decline. The US Food and Drug Administration required an evaluation of its potential for drug interactions mediated through drug-metabolizing enzymes. This in vitro study revealed minimal induction or inhibition of a range of P450 enzymes, including CYP3A4, by the C. asiatica extract, suggesting a low potential for drug interactions modulated by P450 metabolism.
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Affiliation(s)
- Kirsten M Wright
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Armando Alcazar Magana
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Ronald M Laethem
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Caroline L Moseley
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Troy T Banks
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Claudia S Maier
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Jan F Stevens
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Joseph F Quinn
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
| | - Amala Soumyanath
- Department of Neurology, Oregon Health and Science University, Portland, Oregon (K.M.W., J.F.Q., A.S.); Departments of Chemistry (A.A.M., C.S.M.) and Pharmaceutical Sciences (J.F.S.) and Linus Pauling Institute (A.A.M., J.F.S.), Oregon State University, Corvallis, Oregon; BioIVT, Durham, North Carolina (R.M.L., C.L.M., T.T.B.); and Department of Neurology, Veterans Affairs Portland Health Care System Center, Portland, Oregon (J.F.Q.)
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15
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Kumar S, Bouic PJ, Rosenkranz B. In Vitro Assessment of the Interaction Potential of Ocimum basilicum (L.) Extracts on CYP2B6, 3A4, and Rifampicin Metabolism. Front Pharmacol 2020; 11:517. [PMID: 32425779 PMCID: PMC7204527 DOI: 10.3389/fphar.2020.00517] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 04/01/2020] [Indexed: 12/12/2022] Open
Abstract
Ocimum basilicum L. or basilicum is a common culinary herb, used as a traditional medicine for various medical conditions including HIV/AIDS and tuberculosis, in Africa. The objective of this study was to evaluate the effect of methanol, ethanol, aqueous and ethyl acetate extracts of the dried leaves and inflorescence of O. basilicum, on the activity of cytochrome P450 enzymes (CYPs) CYP2B6 and 3A4, as well as esterase-mediated metabolism of rifampicin to 25-O-desacetyl rifampicin (25ODESRIF). Human liver microsomes (HLM) were used to evaluate inhibition and CYP2B6/3A4 mRNA expression HepG2 assays were used to measure induction. Furthermore, the phytoconstituents likely involved in causing the observed effect were analyzed using biochemical tests and LC-MS. The aqueous and methanolic extracts showed reversible and time-dependent inhibition (TDI) of CYP2B6 with TDI-IC50s 33.35 μg/ml (IC50 shift-fold >1.5) and 4.93 μg/ml (IC50 shift-fold >7) respectively, while the methanolic and ethanolic extracts inhibited 25ODESRIF formation (IC50s 31 μg/ml, 8.94 μg/ml). In HepG2 assays, the methanolic and ethanolic extracts moderately induced CYP2B6, 3A4 mRNA with 38%-, 28%-fold shift, and 22%-, 44%-fold shift respectively. LC-MS full scans identified phenols rosmarinic acid [m/z 359 (M-H)-, approximately 2298 mg/L in aqueous extract] and caftaric acid along with flavones salvigenin [m/z 329 (M+H)+, approximately 1855 mg/L in ethanolic extract], eupatorin [m/z 345 (M+H)+, 668.772 mg/L in ethanolic extract], rutin [m/z 609 (M-H)-] and isoquercetin [m/z 463 (M-H)-] and other compounds—linalool [m/z 153 (M-H)-], hydroxyjasmonic acid [m/z 225 (M-H)-], eucommiol [m/z 187 (M-H)-] and trihydroxy octadecenoic acid [m/z 329 (M-H)-, 530 mg/L in ethanolic extract]. The putative gastrointestinal tract (GIT) concentration for all extracts was calculated as 2,400 μg/ml and hepatic circulation concentrations were estimated at 805.68 μg/ml for the aqueous extract, and 226.56 μg/ml for methanolic extract. Based on the putative GIT concentration, estimated hepatic circulation concentration [I] and inhibition constant Ki, the predicted percentile of inhibition in vivo was highest for the aqueous extract on CYP2B6 (96.7%). The observations indicated that O. basilicum extracts may have the potential to cause clinically relevant herb-drug interactions (HDI) with CYP2B6 and rifampicin metabolism in vivo, if sufficient hepatic concentrations are reached in humans.
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Affiliation(s)
- Saneesh Kumar
- Division of Clinical Pharmacology, Faculty of Medicine and Health Sciences, University of Stellenbosch, Cape Town, South Africa
| | - Patrick J Bouic
- Division of Medical Microbiology, Faculty of Medicine and Health Sciences, University of Stellenbosch, Cape Town, South Africa.,Synexa Life Sciences, Cape Town, South Africa
| | - Bernd Rosenkranz
- Division of Clinical Pharmacology, Faculty of Medicine and Health Sciences, University of Stellenbosch, Cape Town, South Africa.,Fundisa African Academy of Medicines Development, Cape Town, South Africa
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16
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Lack of Correlation between In Vitro and In Vivo Studies on the Inhibitory Effects of (‒)-Sophoranone on CYP2C9 is Attributable to Low Oral Absorption and Extensive Plasma Protein Binding of (‒)-Sophoranone. Pharmaceutics 2020; 12:pharmaceutics12040328. [PMID: 32272615 PMCID: PMC7238241 DOI: 10.3390/pharmaceutics12040328] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/02/2020] [Accepted: 04/05/2020] [Indexed: 02/02/2023] Open
Abstract
(‒)-Sophoranone (SPN) is a bioactive component of Sophora tonkinensis with various pharmacological activities. This study aims to evaluate its in vitro and in vivo inhibitory potential against the nine major CYP enzymes. Of the nine tested CYPs, it exerted the strongest inhibitory effect on CYP2C9-mediated tolbutamide 4-hydroxylation with the lowest IC50 (Ki) value of 0.966 ± 0.149 μM (0.503 ± 0.0383 μM), in a competitive manner. Additionally, it strongly inhibited other CYP2C9-catalyzed diclofenac 4′-hydroxylation and losartan oxidation activities. Upon 30 min pre-incubation of human liver microsomes with SPN in the presence of NADPH, no obvious shift in IC50 was observed, suggesting that SPN is not a time-dependent inactivator of the nine CYPs. However, oral co-administration of SPN had no significant effect on the pharmacokinetics of diclofenac and 4′-hydroxydiclofenac in rats. Overall, SPN is a potent inhibitor of CYP2C9 in vitro but not in vivo. The very low permeability of SPN in Caco-2 cells (Papp value of 0.115 × 10−6 cm/s), which suggests poor absorption in vivo, and its high degree of plasma protein binding (>99.9%) may lead to the lack of in vitro–in vivo correlation. These findings will be helpful for the safe and effective clinical use of SPN.
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17
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Moreira da Silva R, Carrão DB, Habenschus MD, Jimenez PC, Lopes NP, Fenical W, Costa-Lotufo LV, de Oliveira ARM. Prediction of seriniquinone-drug interactions by in vitro inhibition of human cytochrome P450 enzymes. Toxicol In Vitro 2020; 65:104820. [PMID: 32142840 DOI: 10.1016/j.tiv.2020.104820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 02/18/2020] [Accepted: 03/02/2020] [Indexed: 10/24/2022]
Abstract
Seriniquinone is a secondary metabolite isolated from a rare marine bacterium of the genus Serinicoccus. This natural quinone is highlighted for its selective cytotoxic activity toward melanoma cancer cells, in which rapid metastatic properties are still a challenge for clinical treatment of malignant melanoma. The progress of seriniquinone as a promising bioactive molecule for drug development requires the assessment of its clinical interaction potential with other drugs. This study aimed to investigate the in vitro inhibitory effects of seriniquinone on the main human CYP450 isoforms involved in drug metabolism. The results showed strong inhibition of CYP1A2, CYP2E1 and CYP3A, with IC50 values up to 1.4 μM, and moderate inhibition of CYP2C19, with IC50 value >15 μM. Detailed experiments performed with human liver microsomes showed that the inhibition of CYP450 isoforms can be explained by competitive and non-competitive inhibition mechanisms. In addition, seriniquinone demonstrated to be an irreversible and time-dependent inhibitor of CYP1A2 and CYP3A. The low inhibition constants values obtained experimentally suggest that concomitant intake of seriniquinone with drug metabolized by these isoforms should be carefully monitored for adverse effects or therapeutic failure.
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Affiliation(s)
- Rodrigo Moreira da Silva
- Núcleo de Pesquisas de Produtos Naturais e Sintéticos, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903 Ribeirão Preto, SP, Brazil.
| | - Daniel Blascke Carrão
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Maísa Daniela Habenschus
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil
| | - Paula Christine Jimenez
- Departamento de Ciências do Mar, Instituto do Mar, Universidade Federal de São Paulo, 11070-100 Santos, SP, Brazil
| | - Norberto Peporine Lopes
- Núcleo de Pesquisas de Produtos Naturais e Sintéticos, Departamento de Ciências BioMoleculares, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903 Ribeirão Preto, SP, Brazil
| | - William Fenical
- CMBB, Scripps Institution of Oceanography, UC San Diego, 9500 Gilman Drive No. 0204, 92093-0204 La Jolla, CA, USA
| | - Letícia Vera Costa-Lotufo
- Departamento de Farmacologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, 05508-900 São Paulo, SP, Brazil
| | - Anderson Rodrigo Moraes de Oliveira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901 Ribeirão Preto, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Unesp, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil
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Yadav J, Paragas E, Korzekwa K, Nagar S. Time-dependent enzyme inactivation: Numerical analyses of in vitro data and prediction of drug-drug interactions. Pharmacol Ther 2020; 206:107449. [PMID: 31836452 PMCID: PMC6995442 DOI: 10.1016/j.pharmthera.2019.107449] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Cytochrome P450 (CYP) enzyme kinetics often do not conform to Michaelis-Menten assumptions, and time-dependent inactivation (TDI) of CYPs displays complexities such as multiple substrate binding, partial inactivation, quasi-irreversible inactivation, and sequential metabolism. Additionally, in vitro experimental issues such as lipid partitioning, enzyme concentrations, and inactivator depletion can further complicate the parameterization of in vitro TDI. The traditional replot method used to analyze in vitro TDI datasets is unable to handle complexities in CYP kinetics, and numerical approaches using ordinary differential equations of the kinetic schemes offer several advantages. Improvement in the parameterization of CYP in vitro kinetics has the potential to improve prediction of clinical drug-drug interactions (DDIs). This manuscript discusses various complexities in TDI kinetics of CYPs, and numerical approaches to model these complexities. The extrapolation of CYP in vitro TDI parameters to predict in vivo DDIs with static and dynamic modeling is discussed, along with a discussion on current gaps in knowledge and future directions to improve the prediction of DDI with in vitro data for CYP catalyzed drug metabolism.
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Affiliation(s)
- Jaydeep Yadav
- Amgen Inc., 360 Binney Street, Cambridge, MA 02142, United States; Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Erickson Paragas
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Ken Korzekwa
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States
| | - Swati Nagar
- Department of Pharmaceutical Sciences, Temple University, Philadelphia, PA 19140, United States.
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Carrão DB, Habenchus MD, de Albuquerque NCP, da Silva RM, Lopes NP, de Oliveira ARM. In vitro inhibition of human CYP2D6 by the chiral pesticide fipronil and its metabolite fipronil sulfone: Prediction of pesticide-drug interactions. Toxicol Lett 2019; 313:196-204. [PMID: 31278966 DOI: 10.1016/j.toxlet.2019.07.005] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/26/2019] [Accepted: 07/01/2019] [Indexed: 12/18/2022]
Abstract
Fipronil is a chiral insecticide employed worldwide in crops, control of public hygiene and control of veterinary pests. Humans can be exposed to fipronil through occupational, food, and environmental contamination. Therefore, the risk assessment of fipronil in humans is important to protect human health. Fipronil sulfone is the major metabolite formed during fipronil metabolism by humans. Since the CYP450 enzymes are the main ones involved in drug metabolism, the evaluation of their inhibition by fipronil and its main metabolite is important to predict drug-pesticide interactions. The aim of this work was to investigate the inhibition effects of rac-fipronil, S-fipronil, R-fipronil and fipronil sulfone on the main human CYP450 isoforms. The results showed that CYP2D6 is the only CYP450 isoform inhibited by these xenobiotics. In addition, no enantioselective differences were observed in the inhibition of CYP450 isoforms by fipronil and its individuals' enantiomers. Rac-fipronil, S-fipronil and R-fipronil are moderate CYP2D6 inhibitors showing a competitive inhibition profile. On the other hand, the metabolite fipronil sulfone showed to be a strong inhibitor of CYP2D6 also by competitive inhibition. These results highlight the importance of metabolite evaluation on pesticide safety since the metabolism of fipronil into fipronil sulfone increases the risk of pesticide-drug interactions for drugs metabolized by CYP2D6.
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Affiliation(s)
- Daniel Blascke Carrão
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Maísa Daniela Habenchus
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Nayara Cristina Perez de Albuquerque
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Rodrigo Moreira da Silva
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903, Ribeirão Preto, SP, Brazil
| | - Norberto Peporine Lopes
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903, Ribeirão Preto, SP, Brazil
| | - Anderson Rodrigo Moraes de Oliveira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Unesp, Institute of Chemistry, P.O. Box 355, 14800-900, Araraquara, SP, Brazil.
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Yadav J, Korzekwa K, Nagar S. Impact of Lipid Partitioning on the Design, Analysis, and Interpretation of Microsomal Time-Dependent Inactivation. Drug Metab Dispos 2019; 47:732-742. [PMID: 31043439 PMCID: PMC6556519 DOI: 10.1124/dmd.118.085969] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 04/30/2019] [Indexed: 12/20/2022] Open
Abstract
Nonspecific drug partitioning into microsomal membranes must be considered for in vitro-in vivo correlations. This work evaluated the effect of including lipid partitioning in the analysis of complex TDI kinetics with numerical methods. The covariance between lipid partitioning and multiple inhibitor binding was evaluated. Simulations were performed to test the impact of lipid partitioning on the interpretation of TDI kinetics, and experimental TDI datasets for paroxetine (PAR) and itraconazole (ITZ) were modeled. For most kinetic schemes, modeling lipid partitioning results in statistically better fits. For MM-IL simulations (KI,u = 0.1 µM, kinact = 0.1 minute-1), concurrent modeling of lipid partitioning for an fumic range (0.01, 0.1, and 0.5) resulted in better fits compared with post hoc correction (AICc: -526 vs. -496, -579 vs. -499, and -636 vs. -579, respectively). Similar results were obtained with EII-IL. Lipid partitioning may be misinterpreted as double binding, leading to incorrect parameter estimates. For the MM-IL datasets, when fumic = 0.02, MM-IL, and EII model fits were indistinguishable (δAICc = 3). For less partitioned datasets (fumic = 0.1 or 0.5), the inclusion of partitioning resulted in better models. The inclusion of lipid partitioning can lead to markedly different estimates of KI,u and kinact A reasonable alternate experimental design is nondilution TDI assays, with post hoc fumic incorporation. The best fit models for PAR (MIC-M-IL) and ITZ (MIC-EII-M-IL and MIC-EII-M-Seq-IL) were consistent with their reported mechanism and kinetics. Overall, experimental fumic values should be concurrently incorporated into TDI models with complex kinetics, when dilution protocols are used.
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Affiliation(s)
- Jaydeep Yadav
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy, Philadelphia, Pennsylvania
| | - Ken Korzekwa
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy, Philadelphia, Pennsylvania
| | - Swati Nagar
- Department of Pharmaceutical Sciences, Temple University School of Pharmacy, Philadelphia, Pennsylvania
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Cheng Y, Tang S, Chen A, Zhang Y, Liu M, Wang X. Evaluation of the inhibition risk of shikonin on human and rat UDP-glucuronosyltransferases (UGT) through the cocktail approach. Toxicol Lett 2019; 312:214-221. [PMID: 31128210 DOI: 10.1016/j.toxlet.2019.05.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/09/2019] [Accepted: 05/21/2019] [Indexed: 01/05/2023]
Abstract
Shikonin, a natural red colorant, is widely used for food garnishment and cosmetic ingredient in the world. Shikonin also possesses a variety of pharmacological actions, including anti-inflammation and anti-cancer activities. However, little is known about its effects on the UDP-glucuronosyltransferases (UGT) activity. Therefore, the aim of this study was to evaluate the effect of shikonin on the UGT1A1, UGT1A3, UGT1A6, UGT1A9 and UGT2B7 activities via the human and rat liver microsomal assay and cocktail approach. The results showed shikonin inhibited human and rat liver microsomal UGT activity only in a dose-dependent manner. The further enzyme kinetic studies demonstrated that shikonin was not only a competitive inhibitor of human UGT1A1, UGT1A9, and UGT2B7, but also presented competitive inhibition on rat UGT1A1 and AZTG reactions. In conclusion, shikonin as a reversible inhibitor of UGT enzyme has a high-risk potential to cause the possible toxicity, especially drug-drug or food-drug interactions.
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Affiliation(s)
- Yi Cheng
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Shuowen Tang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Ang Chen
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Yuanjin Zhang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Mingyao Liu
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China; Center for Cancer and Stem Cell Biology, Institute of Biosciences and Technology, Texas A&M University Health Science Center, Houston, Texas, United States
| | - Xin Wang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China.
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Inhibitory Mechanisms of Myricetin on Human and Rat Liver Cytochrome P450 Enzymes. Eur J Drug Metab Pharmacokinet 2019; 44:611-618. [DOI: 10.1007/s13318-019-00546-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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23
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Evaluation of the inhibition effects of apatinib on human and rat cytochrome P450. Toxicol Lett 2018; 297:1-7. [DOI: 10.1016/j.toxlet.2018.08.010] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 08/14/2018] [Accepted: 08/16/2018] [Indexed: 12/19/2022]
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Melville K, Rodriguez T, Dobrovolny HM. Investigating Different Mechanisms of Action in Combination Therapy for Influenza. Front Pharmacol 2018; 9:1207. [PMID: 30405419 PMCID: PMC6206389 DOI: 10.3389/fphar.2018.01207] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 10/03/2018] [Indexed: 01/15/2023] Open
Abstract
Combination therapy for influenza can have several benefits, from reducing the emergence of drug resistant virus strains to decreasing the cost of antivirals. However, there are currently only two classes of antivirals approved for use against influenza, limiting the possible combinations that can be considered for treatment. However, new antivirals are being developed that target different parts of the viral replication cycle, and their potential for use in combination therapy should be considered. The role of antiviral mechanism of action in the effectiveness of combination therapy has not yet been systematically investigated to determine whether certain antiviral mechanisms of action pair well in combination. Here, we use a mathematical model of influenza to model combination treatment with antivirals having different mechanisms of action to measure peak viral load, infection duration, and synergy of different drug combinations. We find that antivirals that lower the infection rate and antivirals that increase the duration of the eclipse phase perform poorly in combination with other antivirals.
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Affiliation(s)
- Kelli Melville
- Physics Department, East Carolina University, Greenville, NC, United States
| | - Thalia Rodriguez
- Department of Physics and Astronomy, Texas Christian University, Fort Worth, TX, United States
| | - Hana M. Dobrovolny
- Department of Physics and Astronomy, Texas Christian University, Fort Worth, TX, United States
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Reinen J, Smit M, Wenker M. Evaluation of Strategies for the Assessment of Drug–Drug Interactions Involving Cytochrome P450 Enzymes. Eur J Drug Metab Pharmacokinet 2018; 43:737-750. [DOI: 10.1007/s13318-018-0485-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Rehman SU, Kim IS, Choi MS, Kim SH, Zhang Y, Yoo HH. Time-dependent Inhibition of CYP2C8 and CYP2C19 by Hedera helix Extracts, A Traditional Respiratory Herbal Medicine. Molecules 2017; 22:molecules22071241. [PMID: 28737724 PMCID: PMC6152208 DOI: 10.3390/molecules22071241] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/17/2017] [Accepted: 07/20/2017] [Indexed: 12/15/2022] Open
Abstract
The extract of Hedera helix L. (Araliaceae), a well-known folk medicine, has been popularly used to treat respiratory problems, worldwide. It is very likely that this herbal extract is taken in combination with conventional drugs. The present study aimed to evaluate the effects of H. helix extract on cytochrome P450 (CYP) enzyme-mediated metabolism to predict the potential for herb–drug interactions. A cocktail probe assay was used to measure the inhibitory effect of CYP. H. helix extracts were incubated with pooled human liver microsomes or CYP isozymes with CYP-specific substrates, and the formation of specific metabolites was investigated to measure the inhibitory effects. H. helix showed significant inhibitory effects on CYP2C8, CYP2C19 and CYP2D6 in a concentration-dependent manner. In recombinant CYP2C8, CYP2C19 and CYP2D6 isozymes, the IC50 values of the extract were 0.08 ± 0.01, 0.58 ± 0.03 and 6.72 ± 0.22 mg/mL, respectively. Further investigation showed that H. helix extract has a positive time-dependent inhibition property on both CYP2C8 and CYP2C19 with IC50 shift value of 2.77 ± 0.12 and 6.31 ± 0.25, respectively. Based on this in vitro investigation, consumption of herbal medicines or dietary supplements containing H. helix extracts requires careful attention to avoid any CYP-based interactions.
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Affiliation(s)
- Shaheed Ur Rehman
- Department of Pharmacy, COMSATS Institute of Information Technology, Abbottabad 22060, Pakistan.
| | - In Sook Kim
- Institute of Pharmaceutical Science and Technology and College of Pharmacy, Hanyang University, Ansan, Gyeonggi-do 15588, Korea.
| | - Min Sun Choi
- Institute of Pharmaceutical Science and Technology and College of Pharmacy, Hanyang University, Ansan, Gyeonggi-do 15588, Korea.
| | - Seung Hyun Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Science, Yonsei University, Incheon 21983, Korea.
| | - Yonghui Zhang
- School of Pharmacy, Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Hye Hyun Yoo
- Institute of Pharmaceutical Science and Technology and College of Pharmacy, Hanyang University, Ansan, Gyeonggi-do 15588, Korea.
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Sohlenius-Sternbeck AK, Meyerson G, Hagbjörk AL, Juric S, Terelius Y. A strategy for early-risk predictions of clinical drug-drug interactions involving the GastroPlus TM DDI module for time-dependent CYP inhibitors. Xenobiotica 2017; 48:348-356. [PMID: 28443803 DOI: 10.1080/00498254.2017.1323136] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
1. A set of reference compounds for time-dependent inhibition (TDI) of cytochrome P450 with available literature data for kinact and KI was used to predict clinical implications using the GastroPlusTM software. Comparisons were made to in vivo literature interaction data. 2. The predicted AUC ratios (AUC+inhibitor/AUCcontrol) could be compared with the observed ratios from literature for all compounds with detailed information about in vivo administration, pharmacokinetics and in vivo interactions (N = 21). For this dataset, the difference between predicted and observed AUC ratios for interactions with midazolam was within twofold for all compounds except one (telaprevir, for which non-CYP-mediated metabolism likely plays a role after multiple dosing). 3. The sensitivity, specificity and accuracy of the GastroPlusTM predictions using a binary classification as no-to-weak interaction versus moderate-to-strong interaction for all compounds with available in vivo interaction data, were 80%, 82% and 81%, respectively (N = 31). 4. As a result of our evaluations of the DDI module in GastroPlusTM, we have implemented an early TDI risk assessment decision tree for our drug discovery projects involving in vitro screening and early GastroPlusTM predictions. Shifted IC50 values are determined and kinact/KI estimated (by using a regression line established with in house-shifted IC50 values and literature kinact/KI ratios), followed by GastroPlusTM predictions.
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28
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Chen A, Zhou X, Tang S, Liu M, Wang X. Evaluation of the inhibition potential of plumbagin against cytochrome P450 using LC-MS/MS and cocktail approach. Sci Rep 2016; 6:28482. [PMID: 27329697 PMCID: PMC4916434 DOI: 10.1038/srep28482] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 06/03/2016] [Indexed: 12/22/2022] Open
Abstract
Plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone), a natural naphthoquinone compound isolated from roots of Plumbago zeylanica L., has drawn a lot of attention for its plenty of pharmacological properties including antidiabetes and anti-cancer. The aim of this study was to investigate the effects of plumbagin on CYP1A2, CYP2B1/6, CYP2C9/11, CYP2D1/6, CYP2E1 and CYP3A2/4 activities in human and rat liver and evaluate the potential herb-drug interactions using the cocktail approach. All CYP substrates and their metabolites were analyzed using high-performance liquid chromatography-tandem mass spectrometry (LC-MS/MS). Plumbagin presented non-time-dependent inhibition of CYP activities in both human and rat liver. In humans, plumbagin was not only a mixed inhibitor of CYP2B6, CYP2C9, CYP2D6, CYP2E1 and CYP3A4, but also a non-competitive inhibitor of CYP1A2, with Ki values no more than 2.16 μM. In rats, the mixed inhibition of CYP1A2 and CYP2D1, and competitive inhibition for CYP2B1, CYP2C11 and CYP2E1 with Ki values less than 9.93 μM were observed. In general, the relatively low Ki values of plumbagin in humans would have a high potential to cause the toxicity and drug interactions involving CYP enzymes.
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Affiliation(s)
- Ang Chen
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Xiaojing Zhou
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Shuowen Tang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
| | - Mingyao Liu
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China.,Center for Translational Cancer Research, Institute of Biosciences and Technology, Texas A&M University Health Science Center, Houston, Texas, USA
| | - Xin Wang
- Shanghai Key Laboratory of Regulatory Biology, Institute of Biomedical Sciences and School of Life Sciences, East China Normal University, Shanghai, China
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Wong SG, Lee M, Wong BK. Single concentration loss of activity assay provides an improved assessment of drug-drug interaction risk compared to IC50-shift. Xenobiotica 2016; 46:953-66. [PMID: 26956546 DOI: 10.3109/00498254.2016.1143139] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
1. The utility of two abbreviated, higher-throughput assays [IC50-shift and the loss of activity (LOA) assay] to evaluate time-dependent inhibition (TDI) of 24 structurally related compounds was compared. 2. Good correlation (R(2) = 0.90) between % inhibition and kinact/KI suggested that the LOA assay has utility as an indicator of TDI potential. Weaker correlation was observed for the shifted IC50 (IC50(T = 30)) (R(2) = 0.61) and the fold-shift in IC50 (R(2) = 0.17). 3. Primary mechanism for poor correlation was depletion of active enzyme at concentrations > 1 μM leading to greater than predicted inhibition in the IC50-shift assay. 4. Previously reported strong correlations between IC50(T = 30) and kinact/KI were found to be dependent on potent TDI compounds with kinact/KI > 30; correlation was reduced for moderate inhibitors (kinact/KI < 30). LOA assay maintained good correlation even when strong TDI compounds were excluded. 5. LOA assay (% Inhibition at 30 min, 10 μM) was a good predictor of in vivo DDI (AUCr), providing a graded response with low potential for false negatives or positives. IC50-shift assay had bias for over-predicting in vivo DDI and was more likely to identify false positives.
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Affiliation(s)
- Simon G Wong
- a Department of Pharmacokinetics and Drug Metabolism , Amgen , South San Francisco , CA , USA
| | - Mey Lee
- a Department of Pharmacokinetics and Drug Metabolism , Amgen , South San Francisco , CA , USA
| | - Bradley K Wong
- a Department of Pharmacokinetics and Drug Metabolism , Amgen , South San Francisco , CA , USA
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Evaluation of Time Dependent Inhibition Assays for Marketed Oncology Drugs: Comparison of Human Hepatocytes and Liver Microsomes in the Presence and Absence of Human Plasma. Pharm Res 2016; 33:1204-19. [DOI: 10.1007/s11095-016-1865-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2015] [Accepted: 01/21/2016] [Indexed: 01/29/2023]
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31
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Dahlinger D, Duechting S, Nuecken D, Sydow K, Fuhr U, Frechen S. Development and validation of an in vitro, seven-in-one human cytochrome P450 assay for evaluation of both direct and time-dependent inhibition. J Pharmacol Toxicol Methods 2015; 77:66-75. [PMID: 26528794 DOI: 10.1016/j.vascn.2015.10.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 09/23/2015] [Accepted: 10/27/2015] [Indexed: 02/02/2023]
Abstract
INTRODUCTION Direct and time-dependent inhibition (TDI) of cytochrome P450 enzymes (CYP) raises drug safety concerns and has major implications in drug development. This study describes the development of a liquid chromatography-tandem mass spectrometry (LC-MS/MS) based screening tool to simultaneously assess both the direct and the time-dependent inhibitory potential of xenobiotics on the seven major CYPs using a two-step approach. METHODS The in vitro cocktail of FDA recognized model substrates was incubated with human liver microsomes (HLM) and consisted of caffeine (CYP1A2), bupropion (CYP2B6), rosiglitazone (CYP2C8), tolbutamide (CYP2C9), omeprazole (CYP2C19), dextromethorphan (CYP2D6) and midazolam (CYP3A4). Direct and time-dependent inhibitory profiles of direct and time-dependent reference inhibitors for each CYP were studied. For validation, the results were compared to those obtained with the traditional single substrate approach. Statistical uncertainty was quantified using the bootstrap method. RESULTS The direct inhibition assay showed an acceptable fold bias of 1.35 (geometric mean fold absolute deviation, range 1.01-2.61) in the IC50 values for the cocktail assay compared to the single substrate results with no trend for under- or overestimation. Using a single point inactivation assay to assess TDI, we were able to identify all seven tested time-dependent reference inhibitors, without any false negatives. DISCUSSION The presented design enhances throughput by assessing the seven major CYPs simultaneously and allows for detection of and discrimination between direct and time-dependent CYP inhibition via IC50 and single point inactivation experiments. For the latter, a threshold of 10% TDI is proposed for carrying out more detailed inactivation kinetic experiments.
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Affiliation(s)
- Dominik Dahlinger
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany.
| | - Sabrina Duechting
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany
| | - Daniela Nuecken
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany
| | - Konrad Sydow
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany
| | - Uwe Fuhr
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany
| | - Sebastian Frechen
- Department of Pharmacology, Clinical Pharmacology, Cologne University Hospital, Cologne, Germany
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Salminen KA, Rahnasto-Rilla M, Väänänen R, Imming P, Meyer A, Horling A, Poso A, Laitinen T, Raunio H, Lahtela-Kakkonen M. Time-Dependent Inhibition of CYP2C19 by Isoquinoline Alkaloids: In Vitro and In Silico Analysis. Drug Metab Dispos 2015; 43:1891-904. [PMID: 26400396 DOI: 10.1124/dmd.115.065755] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 09/22/2015] [Indexed: 01/07/2023] Open
Abstract
The cytochrome P450 2C19 (CYP2C19) enzyme plays an important role in the metabolism of many commonly used drugs. Relatively little is known about CYP2C19 inhibitors, including compounds of natural origin, which could inhibit CYP2C19, potentially causing clinically relevant metabolism-based drug interactions. We evaluated a series (N = 49) of structurally related plant isoquinoline alkaloids for their abilities to interact with CYP2C19 enzyme using in vitro and in silico methods. We examined several common active alkaloids found in herbal products such as apomorphine, berberine, noscapine, and papaverine, as well as the previously identified mechanism-based inactivators bulbocapnine, canadine, and protopine. The IC50 values of the alkaloids ranged from 0.11 to 210 µM, and 42 of the alkaloids were confirmed to be time-dependent inhibitors of CYP2C19. Molecular docking and three-dimensional quantitative structure-activity relationship analysis revealed key interactions of the potent inhibitors with the enzyme active site. We constructed a comparative molecular field analysis model that was able to predict the inhibitory potency of a series of independent test molecules. This study revealed that many of these isoquinoline alkaloids do have the potential to cause clinically relevant drug interactions. These results highlight the need for studying more profoundly the potential interactions between drugs and herbal products. When further refined, in silico methods can be useful in the high-throughput prediction of P450 inhibitory potential of pharmaceutical compounds.
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Affiliation(s)
- Kaisa A Salminen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Minna Rahnasto-Rilla
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Raija Väänänen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Peter Imming
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Achim Meyer
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Aline Horling
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Antti Poso
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Tuomo Laitinen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Hannu Raunio
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
| | - Maija Lahtela-Kakkonen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland (K.A.S., M.R.-R., R.V., A.P., T.L., H.R., M.L.-K.); and Institut für Pharmazie, Martin-Luther-Universität Halle-Wittenberg, Halle, Germany (P.I., A.M., A.H.)
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