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Impact of ABCG2 and ABCB1 Polymorphisms on Imatinib Plasmatic Exposure: An Original Work and Meta-Analysis. Int J Mol Sci 2023; 24:ijms24043303. [PMID: 36834713 PMCID: PMC9963452 DOI: 10.3390/ijms24043303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/27/2023] [Accepted: 02/03/2023] [Indexed: 02/11/2023] Open
Abstract
Adequate imatinib plasma levels are necessary to guarantee an efficacious and safe treatment in gastrointestinal stromal tumor (GIST) and chronic myeloid leukemia (CML) patients. Imatinib is a substrate of the drug transporters ATP-binding cassette subfamily B member 1 (ABCB1) and ATP-binding cassette subfamily G member 2 (ABCG2) that can affect its plasma concentration. In the present study, the association between three genetic polymorphisms in ABCB1 (rs1045642, rs2032582, rs1128503) and one in ABCG2 (rs2231142) and the imatinib plasma trough concentration (Ctrough) was investigated in 33 GIST patients enrolled in a prospective clinical trial. The results of the study were meta-analyzed with those of other seven studies (including a total of 649 patients) selected from the literature through a systematic review process. The ABCG2 c.421C>A genotype demonstrated, in our cohort of patients, a borderline association with imatinib plasma trough levels that became significant in the meta-analysis. Specifically, homozygous carriers of the ABCG2 c.421 A allele showed higher imatinib plasma Ctrough with respect to the CC/CA carriers (Ctrough, 1463.2 ng/mL AA, vs. 1196.6 ng/mL CC + AC, p = 0.04) in 293 patients eligible for the evaluation of this polymorphism in the meta-analysis. The results remained significant under the additive model. No significant association could be described between ABCB1 polymorphisms and imatinib Ctrough, neither in our cohort nor in the meta-analysis. In conclusion, our results and the available literature studies sustain an association between ABCG2 c.421C>A and imatinib plasma Ctrough in GIST and CML patients.
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Zhang SF, Tang BH, An-Hua W, Du Y, Guan ZW, Li Y. Effect of drug combination on tacrolimus target dose in renal transplant patients with different CYP3A5 genotypes. Xenobiotica 2022; 52:312-321. [PMID: 35395919 DOI: 10.1080/00498254.2022.2064252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Various factors, including genetic polymorphisms, drug-drug interactions, and patient characteristics influence the blood concentrations of tacrolimus in renal transplant patients. In the present study, we established a population pharmacokinetic model to explore the effect of combined use of Wuzhi capsules/echinocandins and the patients' biochemical parameters such as hematocrit on blood concentrations and target doses of tacrolimus in renal transplant patients with different CYP3A5 genotypes. The aim of the study was to propose an individualized tacrolimus administration regimen for early renal transplant recipients.In this retrospective cohort study, we included 240 renal transplant recipients within 21 days of surgery (174 males and 66 females, mean age 39.4 years), who received tacrolimus alone (n = 54), in combination with Wuzhi capsules (99) or caspofungin (57) or micafungin (30). We collected demographic characteristics, clinical indicators, CYP3A5 genotypes, and 1950 steady-state trough concentrations of tacrolimus and included them in population pharmacokinetic model. An additional 110 renal transplant recipients and 625 steady-state trough concentrations of tacrolimus were included for external validation of the model. The population pharmacokinetic model was established and Monte Carlo was used to simulate probabilities for achieving the target concentration for individual tacrolimus administration.A two-compartment model of first-order absorption and elimination was developed to describe the population pharmacokinetics of tacrolimus. CYP3A5 genotypes and co-administration of Wuzhi capsules, as well as time after renal transplantation and hematocrit, were important factors affecting the clearance of tacrolimus. We found no obvious change in trend in the scatter plot of tacrolimus clearance rate vs. hematocrit. The Monte Carlo simulation indicated the following recommended doses of tacrolimus alone: 0.14 mg·kg-1·d-1 for genotype CYP3A5*1*1, 0.12 mg·kg-1·d-1 for CYP3A5*1*3, and 0.10 mg·kg-1·d-1 for CYP3A5*3*3. For patients receiving the combination with Wuzhi capsules, the recommended doses of tacrolimus were 0.10 mg·kg-1·d-1 for CYP3A5*1*1, 0.08 mg·kg-1·d-1 for CYP3A5*1*3, and 0.06 mg·kg-1·d-1 for CYP3A5*3*3 genotypes. Caspofungin or micafungin had no effect on the clearance of tacrolimus in renal transplant recipients.The population pharmacokinetics of tacrolimus in renal transplant patients was evaluated and the individual administration regimen of tacrolimus was simulated. For early kidney transplant recipients receiving tacrolimus treatment, not only body weight, but also CYP3A5 genotypes and drugs used in combination should be considered when determining the target dose of tacrolimus.
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Affiliation(s)
- Shu-Fang Zhang
- School of Pharmacy, Shandong First Medical University, Tai'an, China.,Department of Pharmacy, Tai'an City Central Hospital, Tai'an, China
| | - Bo-Hao Tang
- School of Pharmaceutical Science, Shandong University, Ji'nan, China
| | - Wei An-Hua
- Department of Pharmacy, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yue Du
- School of Pharmacy, Shandong First Medical University, Tai'an, China
| | - Zi-Wan Guan
- School of Pharmaceutical Science, Shandong University, Ji'nan, China
| | - Yan Li
- Department of Clinical Pharmacy, The First Affiliated Hospital of Shandong First Medical University, Ji'nan, China
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Matsuda Y, Nakagawa S, Yano I, Masuda S, Imai S, Yonezawa A, Yamamoto T, Sugimoto M, Tsuda M, Tsuzuki T, Omura T, Nakagawa T, Chen-Yoshikawa TF, Nagao M, Date H, Matsubara K. Effect of Itraconazole and Its Metabolite Hydroxyitraconazole on the Blood Concentrations of Cyclosporine and Tacrolimus in Lung Transplant Recipients. Biol Pharm Bull 2022; 45:397-402. [DOI: 10.1248/bpb.b21-00738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Yuya Matsuda
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Shunsaku Nakagawa
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Ikuko Yano
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Satohiro Masuda
- Department of Clinical Pharmaceutics, Faculty of Pharmaceutical Sciences, Himeji Dokkyo University
| | - Satoshi Imai
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Atsushi Yonezawa
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Takashi Yamamoto
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Mitsuhiro Sugimoto
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Masahiro Tsuda
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Tetsunori Tsuzuki
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Tomohiro Omura
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | - Takayuki Nakagawa
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
| | | | - Miki Nagao
- Department of Clinical Laboratory Medicine, Kyoto University Graduate School of Medicine
| | - Hiroshi Date
- Department of Thoracic Surgery, Kyoto University Graduate School of Medicine
| | - Kazuo Matsubara
- Departments of Clinical Pharmacology and Therapeutics, Kyoto University Hospital
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Malki MA, Pearson ER. Drug-drug-gene interactions and adverse drug reactions. THE PHARMACOGENOMICS JOURNAL 2019; 20:355-366. [PMID: 31792369 PMCID: PMC7253354 DOI: 10.1038/s41397-019-0122-0] [Citation(s) in RCA: 78] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 11/11/2019] [Accepted: 11/17/2019] [Indexed: 11/21/2022]
Abstract
The economic and health burden caused by adverse drug reactions has increased dramatically in the last few years. This is likely to be mediated by increasing polypharmacy, which increases the likelihood for drug–drug interactions. Tools utilized by healthcare practitioners to flag potential adverse drug reactions secondary to drug–drug interactions ignore individual genetic variation, which has the potential to markedly alter the severity of these interactions. To date there have been limited published studies on impact of genetic variation on drug–drug interactions. In this review, we establish a detailed classification for pharmacokinetic drug–drug–gene interactions, and give examples from the literature that support this approach. The increasing availability of real-world drug outcome data linked to genetic bioresources is likely to enable the discovery of previously unrecognized, clinically important drug–drug–gene interactions.
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Affiliation(s)
- Mustafa Adnan Malki
- Population Health & Genomics, School of Medicine, University of Dundee, Dundee, UK
| | - Ewan Robert Pearson
- Population Health & Genomics, School of Medicine, University of Dundee, Dundee, UK.
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Wang R, Sun X, Deng YS, Qiu XW. Effects of MDR1 1236C > T-2677G > T-3435C > T polymorphisms on the intracellular accumulation of tacrolimus, cyclosporine A, sirolimus and everolimus. Xenobiotica 2019; 49:1373-1378. [PMID: 30587068 DOI: 10.1080/00498254.2018.1563732] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
1. Overexpression of P-glycoprotein (P-gp, encoded by MDR1) mediates resistance to multiple immunosuppressors. Several common MDR1 variants (1236C > T, 2677G > T, 3435C > T) impact the efflux activity of P-gp-mediated substrates. We assessed the effect of these polymorphisms on the sensitivity, intracellular accumulation, and efflux of tacrolimus, cyclosporine A, sirolimus and everolimus in transfected LLC-PK1 cells. 2. LLC-PK1 cell lines were transfected with empty vector (pcDNA3.1) and recombinant MDR1T-T-T, MDR1C-T-T, MDR1C-G-T and MDR1C-G-C vectors, respectively and further screened in the presence of puromycin. The IC50 values, intracellular accumulation, and apparent permeability ratios of tacrolimus, cyclosporine A, sirolimus and everolimus were evaluated. 3. MDR1 overexpression increased the resistance of LLC-PK1 cells to tacrolimus, cyclosporine A, sirolimus and everolimus. The resistance of cells expressing MDR1C-G-C wild-type haplotypes to tacrolimus were increased compared to MDR1T-T-T, MDR1C-T-T, MDR1C-G-T variant haplotypes. The efflux ability of P-gp-mediated tacrolimus in cells transfected with MDR1C-G-C was higher than cells overexpressing MDR1T-T-T, MDR1C-T-T, MDR1C-G-T variant haplotypes. In addition, the resistance of cells expressing MDR1C-G-C wild-type haplotypes to sirolimus were increased compared to MDR1C-T-T, MDR1C-G-T variant haplotypes. The efflux ability of P-gp-mediated sirolimus in cells overexpressing MDR1C-G-C was higher than cells transfected with MDR1C-T-T, MDR1C-G-T variant haplotypes. 4. These findings indicate that wild-type MDR1 exports tacrolimus and sirolimus more efficiency than the MDR1T-T-T, MDR1C-T-T, MDR1C-G-T variant protein. This observation indicates that 1236C > T, 2677G > T, 3435C > T variant haplotypes drastically decrease the efflux ability of P-gp-mediated tacrolimus and sirolimus in a substrate-specific manner.
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Affiliation(s)
- Rong Wang
- a Nursing Department, Renmin Hospital of Wuhan University , Wuhan , China
| | - Xuan Sun
- a Nursing Department, Renmin Hospital of Wuhan University , Wuhan , China
| | - Yong-Shu Deng
- b Department of Cardiology, Renmin Hospital of Songzi City , Songzi , China
| | - Xu-Wen Qiu
- c Renmin Hospital of Songzi City , Songzi , China
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Effects of clotrimazole on tacrolimus pharmacokinetics in patients with heart transplants with different CYP3A5 genotypes. Eur J Clin Pharmacol 2018; 75:67-75. [DOI: 10.1007/s00228-018-2558-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Accepted: 09/14/2018] [Indexed: 01/18/2023]
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Lu XF, Zhan J, Zhou Y, Bi KS, Chen XH. Use of a semi-physiological pharmacokinetic model to investigate the influence of itraconazole on tacrolimus absorption, distribution and metabolism in mice. Xenobiotica 2016; 47:752-762. [PMID: 27533047 DOI: 10.1080/00498254.2016.1226003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
1. The aim of this study was to investigate the influence of itraconazole (ITCZ) on tacrolimus absorption, distribution and metabolism by developing a semi-physiological pharmacokinetic model of tacrolimus in mice. 2. Mice were randomly divided into four groups, namely control group (CG, taking 3 mg kg-1 tacrolimus only), low-dose group (LDG, taking tacrolimus with 12.5 mg kg-1 ITCZ), medium-dose group (MDG, taking tacrolimus with 25 mg kg-1 ITCZ) and high-dose group (HDG, taking tacrolimus with 50 mg kg-1 ITCZ). 3. Liver clearance (CLli) decreased significantly (**p < 0.01) in LDG (35.3%), MDG (45.2%) and HDG (58.7%) mice compared to CG mice. With respect to gut clearance (CLgu), significant (**p < 0.01) decrease was also revealed in LDG (35.9%), MDG (50.2%) and HDG (64.6%) mice. A significant (**p < 0.01) higher tacrolimus brain-to-blood partition coefficient (Kt,br) was found in MDG (25.3%) and HDG (55.9%) mice than in CG mice. Moreover, a significant (*p < 0.05) increase (16.3%) was found in the absorption rate constant (Ka) in HDG mice compared to CG mice. There was a significant (**p < 0.01) association between ITCZ dose and the change in CLgu (ΔCLgu, r= -0.790), the change in CLli (ΔCLli, r= -0.787) and the change in Kt,br (ΔKt,br, r = 0.727), while the association between ITCZ dose and the change in Ka (ΔKa) was not significant (p > 0.05). 4. These findings could be useful in predicting the efficacy and toxicity of tacrolimus, and drug-drug interaction of ITCZ and tarcolimus in human.
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Affiliation(s)
- Xue-Feng Lu
- a Department of Pharmaceutical Analysis , School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Jian Zhan
- b Department of Pharmaceutics , School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China , and
| | - Yang Zhou
- c Department of Measurement and Control , School of Physics, Liaoning University , Shenyang , China
| | - Kai-Shun Bi
- a Department of Pharmaceutical Analysis , School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
| | - Xiao-Hui Chen
- a Department of Pharmaceutical Analysis , School of Pharmacy, Shenyang Pharmaceutical University , Shenyang , China
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