1
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Seligson ND, Zhang X, Zemanek MC, Johnson JA, VanGundy Z, Wang D, Phelps MA, Roddy J, Hofmeister CC, Li J, Poi MJ. CYP3A5 influences oral tacrolimus pharmacokinetics and timing of acute kidney injury following allogeneic hematopoietic stem cell transplantation. Front Pharmacol 2024; 14:1334440. [PMID: 38259277 PMCID: PMC10800424 DOI: 10.3389/fphar.2023.1334440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 12/21/2023] [Indexed: 01/24/2024] Open
Abstract
Introduction: Polymorphisms in genes responsible for the metabolism and transport of tacrolimus have been demonstrated to influence clinical outcomes for patients following allogeneic hematologic stem cell transplant (allo-HSCT). However, the clinical impact of germline polymorphisms specifically for oral formulations of tacrolimus is not fully described. Methods: To investigate the clinical impact of genetic polymorphisms in CYP3A4, CYP3A5, and ABCB1 on oral tacrolimus pharmacokinetics and clinical outcomes, we prospectively enrolled 103 adult patients receiving oral tacrolimus for the prevention of graft-versus-host disease (GVHD) following allo-HSCT. Patients were followed in the inpatient and outpatient phase of care for the first 100 days of tacrolimus therapy. Patients were genotyped for CYP3A5 *3 (rs776746), CYP3A4 *1B (rs2740574), ABCB1 exon 12 (rs1128503), ABCB1 exon 21 (rs2032582), ABCB1 exon 26 (rs1045642). Results: Expression of CYP3A5 *1 was highly correlated with tacrolimus pharmacokinetics in the inpatient phase of care (p < 0.001) and throughout the entirety of the study period (p < 0.001). Additionally, Expression of CYP3A5 *1 was associated with decreased risk of developing AKI as an inpatient (p = 0.06). Variants in ABCB1 were not associated with tacrolimus pharmacokinetics in this study. We were unable to discern an independent effect of CYP3A4 *1B or *22 in this population. Conclusion: Expression of CYP3A5 *1 is highly influential on the pharmacokinetics and clinical outcomes for patients receiving oral tacrolimus as GVHD prophylaxis following allo-HSCT.
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Affiliation(s)
- Nathan D. Seligson
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
- Department of Pharmacy, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
| | - Xunjie Zhang
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Mark C. Zemanek
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Jasmine A. Johnson
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Zachary VanGundy
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Danxin Wang
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, University of Florida, Gainesville, FL, United States
| | - Mitch A. Phelps
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
- Division of Pharmaceutics and Pharmaceutical Chemistry, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Julianna Roddy
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
- Department of Pharmacy, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Craig C. Hofmeister
- Department of Hematology and Oncology, Winship Cancer Institute of Emory University, Atlanta, GA, United States
| | - Junan Li
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
- Division of Outcomes and Translational Sciences, College of Pharmacy, The Ohio State University, Columbus, OH, United States
| | - Ming J. Poi
- Division of Pharmacy Practice and Science, College of Pharmacy, The Ohio State University, Columbus, OH, United States
- Department of Pharmacy, The Ohio State University Wexner Medical Center, Columbus, OH, United States
- Comprehensive Cancer Center, The Ohio State University, Columbus, OH, United States
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2
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Kim H, Han A, Ahn S, Min SK, Ha J, Min S. Association of high intra-patient variability in tacrolimus exposure with calcineurin inhibitor nephrotoxicity in kidney transplantation. Sci Rep 2023; 13:16502. [PMID: 37783764 PMCID: PMC10545770 DOI: 10.1038/s41598-023-43755-x] [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: 03/14/2023] [Accepted: 09/27/2023] [Indexed: 10/04/2023] Open
Abstract
Tacrolimus intra-patient variability (IPV) is a novel predictive marker for long-term kidney transplantation outcomes. We examined the association between IPV and calcineurin inhibitor (CNI) nephrotoxicity and the impact of pharmacogenes on CNI nephrotoxicity and IPV. Among kidney transplant recipients at our hospital between January 2013 and December 2015, the records of 80 patients who underwent 1-year protocol renal allograft biopsy and agreed to donate blood samples for genetic analysis were retrospectively reviewed. The cohort was divided into the low and high IPV groups based on a coefficient variability cutoff value (26.5%). In multivariate analysis, the IPV group was involved in determining CNI nephrotoxicity (HR 4.55; 95% CI 0.05-0.95; p = 0.043). The 5-year graft survival was superior in the low IPV group than in the high IPV group (100% vs 92.4% respectively, p = 0.044). Analysis of the time above therapeutic range (TATR) showed higher CNI nephrotoxicity in the high IPV with high TATR group than in the low IPV with low TATR group (35.7% versus 6.7%, p = 0.003). Genetic analysis discovered that CYP3A4 polymorphism (rs2837159) was associated with CNI nephrotoxicity (HR 28.23; 95% CI 2.2-355.9; p = 0.01). In conclusion, high IPV and CYP3A4 polymorphisms (rs2837159) are associated with CNI nephrotoxicity.
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Affiliation(s)
- Hyokee Kim
- Department of Surgery, Korea University College of Medicine, Seoul, South Korea
| | - Ahram Han
- Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea
| | - Sanghyun Ahn
- Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea
| | - Seung-Kee Min
- Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea
| | - Jongwon Ha
- Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea
| | - Sangil Min
- Department of Surgery, Seoul National University College of Medicine, Seoul, South Korea.
- Division of Transplantation and Vascular Surgery, Department of Surgery, Seoul National University Hospital, 101, Daehak-ro, Jongno-gu, Seoul, 03080, South Korea.
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3
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Use of Pharmacogenetics to Optimize Immunosuppressant Therapy in Kidney-Transplanted Patients. Biomedicines 2022; 10:biomedicines10081798. [PMID: 35892699 PMCID: PMC9332547 DOI: 10.3390/biomedicines10081798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/18/2022] [Accepted: 07/22/2022] [Indexed: 12/17/2022] Open
Abstract
Immunosuppressant drugs (ISDs) are routinely used in clinical practice to maintain organ transplant survival. However, these drugs are characterized by a restricted therapeutic index, a high inter- and intra-individual pharmacokinetic variability, and a series of severe adverse effects. In particular, genetic factors have been estimated to play a role in this variability because of polymorphisms regarding genes encoding for enzymes and transporters involved in the ISDs pharmacokinetic. Several studies showed important correlations between genetic polymorphisms and ISDs blood levels in transplanted patients; therefore, this review aims to summarize the pharmacogenetics of approved ISDs. We used PubMed database to search papers on pharmacogenetics of ISDs in adults or pediatric patients of any gender and ethnicity receiving immunosuppressive therapy after kidney transplantation. We utilized as search term: “cyclosporine or tacrolimus or mycophenolic acid or sirolimus or everolimus and polymorphism and transplant”. Our data showed that polymorphisms in CYP3A5, CYP3A4, ABCB1, and UGT1A9 genes could modify the pharmacokinetics of immunosuppressants, suggesting that patient genotyping could be a helpful strategy to select the ideal ISDs dose for each patient.
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4
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Friebus-Kardash J, Nela E, Möhlendick B, Kribben A, Siffert W, Heinemann FM, Eisenberger U. Development of De Novo Donor-specific HLA Antibodies and AMR in Renal Transplant Patients Depends on CYP3A5 Genotype. Transplantation 2022; 106:1031-1042. [PMID: 34241984 PMCID: PMC9038248 DOI: 10.1097/tp.0000000000003871] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 06/09/2021] [Accepted: 06/09/2021] [Indexed: 11/25/2022]
Abstract
BACKGROUND The single-nucleotide polymorphism CYP3A5 rs776746 is related to a reduction in the metabolizing activity of the CYP3A5 enzyme. People carrying at least one copy of the wild-type allele, defined as CYP3A5 expressers, exhibit higher clearance and lower trough concentrations of tacrolimus than homozygous nonexpressers, and this difference may affect alloimmunization and allograft function. METHODS We retrospectively studied 400 kidney transplant recipients treated with a tacrolimus-based immunosuppression regimen to detect CYP3A5 genotype, de novo formation of HLA antibodies and donor-specific antibodies (DSAs), and clinical outcome up to 5 y after transplant. RESULTS We found that 69 (17%) of the 400 patients were CYP3A5 expressers. During the first 3 y after transplant, CYP3A5 expressers tended to have lower tacrolimus trough levels than nonexpressers, although their tacrolimus dosage was as much as 80% higher. De novo DSAs were found more frequently in CYP3A5 expressers than in nonexpressers (13/69 [19%] versus 33/331 [10%], P = 0.02). De novo DSA-free survival rates (P = 0.02) were significantly lower for expressers than for nonexpressers. CYP3A5 genotype had no effect on allograft failure, but CYP3A5 expressers exhibited a significantly higher frequency of antibody-mediated rejection. CYP3A5 expresser status was an independent risk factor for the development of de novo DSAs (relative risk, 2.34, P = 0.01). CONCLUSIONS Early detection of CYP3A5 expressers, enabling genotype-based dose adjustment of tacrolimus immediately after renal transplant, may be a useful strategy for reducing the risk of de novo DSA production and antibody-mediated rejection.
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Affiliation(s)
- Justa Friebus-Kardash
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ejona Nela
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Birte Möhlendick
- Institute of Pharmacogenetics, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Andreas Kribben
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Winfried Siffert
- Institute of Pharmacogenetics, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Falko Markus Heinemann
- Institute for Transfusion Medicine, Transplantation Diagnostics, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
| | - Ute Eisenberger
- Department of Nephrology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany
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5
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Warzyszyńska K, Zawistowski M, Karpeta E, Jałbrzykowska A, Kosieradzki M. Renal Cyp3a5-Expressing Genotype Decreases Tacrolimus-to-Dose Ratio in Small Cohort of Renal Transplant Recipients—Preliminary Report. Transplant Proc 2022; 54:960-967. [DOI: 10.1016/j.transproceed.2022.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/10/2022] [Accepted: 02/18/2022] [Indexed: 11/29/2022]
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6
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Garg A, Garg R. Current advances in colloidal based delivery systems for Tacrolimus. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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7
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Williams ML, Weeks HL, Beck C, Birdwell KA, Van Driest SL, Choi L. Sensitivity of Estimated Tacrolimus Population Pharmacokinetic Profile to Assumed Dose Timing and Absorption in Real World Data and Simulated Data. Br J Clin Pharmacol 2022; 88:2863-2874. [PMID: 34997625 DOI: 10.1111/bcp.15218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 11/28/2022] Open
Abstract
A population pharmacokinetic (PK) study with 363 subjects was performed using real-world data extracted from electronic heath records (EHRs) to estimate the tacrolimus population PK profile. Data were extracted and built using our automated system, EHR2PKPD, suitable for quickly constructing large PK datasets from the EHR. Population PK studies for oral medications performed using EHR data often assume a regular dosing schedule as prescribed without incorporating exact dosing time. We assessed the sensitivity of the PK parameter estimates to assumptions about dose timing using last-dose times extracted by our own natural language processing system, medExtractR. We also investigated the sensitivity of estimates to absorption rate constants that are often fixed at a published value in tacrolimus population PK analyses. There was no appreciable difference in parameter estimates with assumed vs. extracted last-dose time, and our sensitivity analysis revealed little difference between parameters estimated across a range of assumed absorption rate constants. We conducted simulation studies to investigate how drug PK profiles and experimental designs such as concentration measurements design affect sensitivity to incorrect assumptions about dose timing and absorption rates. Our findings suggest that drugs with a slower elimination rate (or a longer half-life) are less sensitive to dose timing errors and that experimental designs which only allow for trough blood concentrations are usually insensitive to deviation in absorption rate.
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Affiliation(s)
- Michael L Williams
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
| | - Hannah L Weeks
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
| | - Cole Beck
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
| | - Kelly A Birdwell
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - Sara L Van Driest
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN.,Department of Pediatrics, Vanderbilt University Medical Center, Nashville, TN
| | - Leena Choi
- Department of Biostatistics, Vanderbilt University Medical Center, Nashville, TN
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8
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CYP3A-status is associated with blood concentration and dose-requirement of tacrolimus in heart transplant recipients. Sci Rep 2021; 11:21389. [PMID: 34725418 PMCID: PMC8560807 DOI: 10.1038/s41598-021-00942-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 10/20/2021] [Indexed: 01/08/2023] Open
Abstract
High inter-individual variability in tacrolimus clearance is attributed to genetic polymorphisms of CYP3A enzymes. However, due to CYP3A phenoconversion induced by non-genetic factors, continuous changes in tacrolimus-metabolizing capacity entail frequent dose-refinement for optimal immunosuppression. In heart transplant recipients, the contribution of patients' CYP3A-status (CYP3A5 genotype and CYP3A4 expression) to tacrolimus blood concentration and dose-requirement was evaluated in the early and late post-operative period. In low CYP3A4 expressers carrying CYP3A5*3/*3, the dose-corrected tacrolimus level was significantly higher than in normal CYP3A4 expressers or in those with CYP3A5*1. Modification of the initial tacrolimus dose was required for all patients: dose reduction by 20% for low CYP3A4 expressers, a 40% increase for normal expressers and a 2.4-fold increase for CYP3A5*1 carriers. The perioperative high-dose corticosteroid therapy was assumed to ameliorate the low initial tacrolimus-metabolizing capacity during the first month. The fluctuation of CYP3A4 expression and tacrolimus blood concentration (C0/D) was found to be associated with tapering and cessation of corticosteroid in CYP3A5 non-expressers, but not in those carrying CYP3A5*1. Although monitoring of tacrolimus blood concentration cannot be omitted, assaying recipients' CYP3A-status can guide optimization of the initial tacrolimus dose, and can facilitate personalized tacrolimus therapy during steroid withdrawal in the late post-operative period.
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9
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van der Perk MEM, Broer L, Yasui Y, Robison LL, Hudson MM, Laven JSE, van der Pal HJ, Tissing WJE, Versluys B, Bresters D, Kaspers GJL, de Vries ACH, Lambalk CB, Overbeek A, Loonen JJ, Beerendonk CCM, Byrne J, Berger C, Clemens E, Dirksen U, Falck Winther J, Fosså SD, Grabow D, Muraca M, Kaiser M, Kepák T, Kruseova J, Modan-Moses D, Spix C, Zolk O, Kaatsch P, Krijthe JH, Kremer LCM, Brooke RJ, Baedke JL, van Schaik RHN, van den Anker JN, Uitterlinden AG, Bos AME, van Leeuwen FE, van Dulmen-den Broeder E, van der Kooi ALLF, van den Heuvel-Eibrink MM. Effect of Genetic Variation in CYP450 on Gonadal Impairment in a European Cohort of Female Childhood Cancer Survivors, Based on a Candidate Gene Approach: Results from the PanCareLIFE Study. Cancers (Basel) 2021; 13:4598. [PMID: 34572825 PMCID: PMC8470074 DOI: 10.3390/cancers13184598] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 09/01/2021] [Accepted: 09/04/2021] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Female childhood cancer survivors (CCSs) carry a risk of therapy-related gonadal dysfunction. Alkylating agents (AA) are well-established risk factors, yet inter-individual variability in ovarian function is observed. Polymorphisms in CYP450 enzymes may explain this variability in AA-induced ovarian damage. We aimed to evaluate associations between previously identified genetic polymorphisms in CYP450 enzymes and AA-related ovarian function among adult CCSs. METHODS Anti-Müllerian hormone (AMH) levels served as a proxy for ovarian function in a discovery cohort of adult female CCSs, from the pan-European PanCareLIFE cohort (n = 743; age (years): median 25.8, interquartile range (IQR) 22.1-30.6). Using two additive genetic models in linear and logistic regression, nine genetic variants in three CYP450 enzymes were analyzed in relation to cyclophosphamide equivalent dose (CED) score and their impact on AMH levels. The main model evaluated the effect of the variant on AMH and the interaction model evaluated the modifying effect of the variant on the impact of CED score on log-transformed AMH levels. Results were validated, and meta-analysis performed, using the USA-based St. Jude Lifetime Cohort (n = 391; age (years): median 31.3, IQR 26.6-37.4). RESULTS CYP3A4*3 was significantly associated with AMH levels in the discovery and replication cohort. Meta-analysis revealed a significant main deleterious effect (Beta (95% CI): -0.706 (-1.11--0.298), p-value = 7 × 10-4) of CYP3A4*3 (rs4986910) on log-transformed AMH levels. CYP2B6*2 (rs8192709) showed a significant protective interaction effect (Beta (95% CI): 0.527 (0.126-0.928), p-value = 0.01) on log-transformed AMH levels in CCSs receiving more than 8000 mg/m2 CED. CONCLUSIONS Female CCSs CYP3A4*3 carriers had significantly lower AMH levels, and CYP2B6*2 may have a protective effect on AMH levels. Identification of risk-contributing variants may improve individualized counselling regarding the treatment-related risk of infertility and fertility preservation options.
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Affiliation(s)
- M. E. Madeleine van der Perk
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Linda Broer
- Department of Internal Medicine, Rotterdam, ErasmusMC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (L.B.); (A.G.U.)
| | - Yutaka Yasui
- Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA; (Y.Y.); (L.L.R.); (M.M.H.); (R.J.B.); (J.L.B.)
| | - Leslie L. Robison
- Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA; (Y.Y.); (L.L.R.); (M.M.H.); (R.J.B.); (J.L.B.)
| | - Melissa M. Hudson
- Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA; (Y.Y.); (L.L.R.); (M.M.H.); (R.J.B.); (J.L.B.)
- Department of Oncology, Division of Survivorship, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA
| | - Joop S. E. Laven
- Department of Obstetrics and Gynecology, Erasmus MC–University Medical Center, 3015 GD Rotterdam, The Netherlands;
| | - Helena J. van der Pal
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Wim J. E. Tissing
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Birgitta Versluys
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Dorine Bresters
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Gertjan J. L. Kaspers
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
- Department of Pediatric Oncology-Haematology, Emma Children’s Hospital, Amsterdam UMC, Vrije Universiteit Amsterdam, 1105 AZ Amsterdam, The Netherlands
| | - Andrica C. H. de Vries
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Cornelis B. Lambalk
- Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, 1105 AZ Amsterdam, The Netherlands; (C.B.L.); (A.O.)
| | - Annelies Overbeek
- Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, 1105 AZ Amsterdam, The Netherlands; (C.B.L.); (A.O.)
| | - Jacqueline J. Loonen
- Department of Haematology, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands;
| | - Catharina C. M. Beerendonk
- Department of Obstetrics and Gynaecology, Radboud University Medical Center, 6500 HB Nijmegen, The Netherlands;
| | - Julianne Byrne
- Boyne Research Institute, 5 Bolton Square, East, Drogheda, A92 RY6K Co. Louth, Ireland;
| | - Claire Berger
- Department of Paediatric Oncology, University Hospital, 42 055 Saint-Etienne, France;
- Lyon University, Jean Monnet University, INSERM, U 1059, Sainbiose, 42023 Saint-Etienne, France
| | - Eva Clemens
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Uta Dirksen
- University Hospital Essen, Pediatrics III, West German Cancer Centre, 45147 Essen, Germany;
- German Cancer Research Centre, DKTK, Site Essen, 45147 Essen, Germany
| | - Jeanette Falck Winther
- Childhood Cancer Research Group, Danish Cancer Society Research Center, 2100 Copenhagen, Denmark;
- Department of Clinical Medicine, Faculty of Health, Aarhus University and University Hospital, 8200 Aarhus, Denmark
| | - Sophie D. Fosså
- Department of Oncology, Oslo University Hospital, 0372 Oslo, Norway;
| | - Desiree Grabow
- Division of Childhood Cancer Epidemiology, German Childhood Cancer Registry, Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (D.G.); (M.K.); (C.S.); (P.K.)
| | - Monica Muraca
- Epidemiology and Biostatistics Unit and DOPO Clinic, IRCCS Istituto Giannina Gaslini, 16147 Genova, Italy;
| | - Melanie Kaiser
- Division of Childhood Cancer Epidemiology, German Childhood Cancer Registry, Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (D.G.); (M.K.); (C.S.); (P.K.)
| | - Tomáš Kepák
- University Hospital Brno, International Clinical Research Center (FNUSA-ICRC), Masaryk University, 656 91 Brno, Czech Republic;
| | | | - Dalit Modan-Moses
- The Edmond and Lily Safra Children’s Hospital, Chaim Sheba Medical Center, Tel Hashomer, and the Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv 6997801, Israel;
| | - Claudia Spix
- Division of Childhood Cancer Epidemiology, German Childhood Cancer Registry, Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (D.G.); (M.K.); (C.S.); (P.K.)
| | - Oliver Zolk
- Institute of Clinical Pharmacology, Brandenburg Medical School Theodor Fontane, Immanuel Klinik Rüdersdorf, 16816 Neuruppin, Germany;
| | - Peter Kaatsch
- Division of Childhood Cancer Epidemiology, German Childhood Cancer Registry, Institute of Medical Biostatistics, Epidemiology and Informatics (IMBEI), University Medical Center of the Johannes Gutenberg University Mainz, 55131 Mainz, Germany; (D.G.); (M.K.); (C.S.); (P.K.)
| | - Jesse H. Krijthe
- Department of Intelligent Systems, Delft University of Technology, 2628 BL Delft, The Netherlands;
| | - Leontien C. M. Kremer
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Russell J. Brooke
- Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA; (Y.Y.); (L.L.R.); (M.M.H.); (R.J.B.); (J.L.B.)
| | - Jessica L. Baedke
- Department of Epidemiology and Cancer Control, St. Jude Children’s Research Hospital, Memphis, TN 38105, USA; (Y.Y.); (L.L.R.); (M.M.H.); (R.J.B.); (J.L.B.)
| | - Ron H. N. van Schaik
- Department of clinical chemistry, Erasmus MC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands;
| | - John N. van den Anker
- Division of Clinical Pharmacology, Children’s National Hospital, Washington, DC 20010, USA;
| | - André G. Uitterlinden
- Department of Internal Medicine, Rotterdam, ErasmusMC University Medical Center Rotterdam, 3015 GD Rotterdam, The Netherlands; (L.B.); (A.G.U.)
| | - Annelies M. E. Bos
- Department of Reproductive Medicine and Gynecology, University Medical Center Utrecht, 3584 CS Utrecht, The Netherlands;
| | - Flora E. van Leeuwen
- Department of Epidemiology, Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands;
| | - Eline van Dulmen-den Broeder
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
| | - Anne-Lotte L. F. van der Kooi
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
- Department of Obstetrics and Gynecology, Erasmus MC–University Medical Center, 3015 GD Rotterdam, The Netherlands;
| | - Marry M. van den Heuvel-Eibrink
- Princess Máxima Center for Pediatric Oncology, 3584 CS Utrecht, The Netherlands; (H.J.v.d.P.); (W.J.E.T.); (B.V.); (D.B.); (G.J.L.K.); (A.C.H.d.V.); (E.C.); (L.C.M.K.); (E.v.D.-d.B.); (A.-L.L.F.v.d.K.); (M.M.v.d.H.-E.)
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10
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Significance of Ethnic Factors in Immunosuppressive Therapy Management After Organ Transplantation. Ther Drug Monit 2021; 42:369-380. [PMID: 32091469 DOI: 10.1097/ftd.0000000000000748] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Clinical outcomes after organ transplantation have greatly improved in the past 2 decades with the discovery and development of immunosuppressive drugs such as calcineurin inhibitors, antiproliferative agents, and mammalian target of rapamycin inhibitors. However, individualized dosage regimens have not yet been fully established for these drugs except for therapeutic drug monitoring-based dosage modification because of extensive interindividual variations in immunosuppressive drug pharmacokinetics. The variations in immunosuppressive drug pharmacokinetics are attributed to interindividual variations in the functional activity of cytochrome P450 enzymes, UDP-glucuronosyltransferases, and ATP-binding cassette subfamily B member 1 (known as P-glycoprotein or multidrug resistance 1) in the liver and small intestine. Some genetic variations have been found to be involved to at least some degree in pharmacokinetic variations in post-transplant immunosuppressive therapy. It is well known that the frequencies and effect size of minor alleles vary greatly between different races. Thus, ethnic considerations might provide useful information for optimizing individualized immunosuppressive therapy after organ transplantation. Here, we review ethnic factors affecting the pharmacokinetics of immunosuppressive drugs requiring therapeutic drug monitoring, including tacrolimus, cyclosporine, mycophenolate mofetil, sirolimus, and everolimus.
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11
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Sallustio BC, Noll BD, Hu R, Barratt DT, Tuke J, Coller JK, Russ GR, Somogyi AA. Tacrolimus dose, blood concentrations and acute nephrotoxicity, but not CYP3A5/ABCB1 genetics, are associated with allograft tacrolimus concentrations in renal transplant recipients. Br J Clin Pharmacol 2021; 87:3901-3909. [PMID: 33646566 DOI: 10.1111/bcp.14806] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 02/02/2021] [Accepted: 02/17/2021] [Indexed: 12/16/2022] Open
Abstract
AIMS Long-term use of the immunosuppressant tacrolimus is limited by nephrotoxicity. Following renal transplantation, the risk of nephrotoxicity may be determined more by allograft than by blood tacrolimus concentrations, and thus may be affected by donor CYP3A5 and ABCB1 genetics. Little is known regarding factors that determine tacrolimus intrarenal exposure. METHODS This study investigated the relationship between trough blood (C0Blood ) and allograft (CGraft ) tacrolimus concentrations and tacrolimus dose, haematocrit, genetics, acute nephrotoxicity, rejection status, delayed graft function, and time post-transplant. C0Blood and CGraft were quantified in 132 renal transplant recipients together with recipient and donor CYP3A5 (rs776746) and ABCB1 3435 (rs1045642) genotypes. RESULTS C0Blood ranged from 2.6 to 52.3 ng/mL and CGraft from 33 to 828 pg/mg tissue. Adjusting for dose, recipients who were CYP3A5 expressors had lower C0Blood compared to nonexpressors, whilst delayed graft function was associated with higher C0Blood . Linear regression showed that the significant predictors of CGraft were C0Blood (point-wise P = 7 × 10-10 ), dose (P = .004) acute nephrotoxicity (P = .002) and an interaction between C0Blood and acute tacrolimus nephrotoxicity (P = .0002), with an adjusted r2 = 0.35 and no contribution from donor or recipient CYP3A5 or ABCB1 genotype. The association between CGraft and acute nephrotoxicity depended on one very high CGraft (828 pg/mg tissue). CONCLUSIONS Recipient and donor CYP3A5 and ABCB1 3435C>T genotypes are not determinants of allograft tacrolimus exposure in kidney transplant recipients. However, tacrolimus dose and C0Blood were significant predictors of CGraft , and the relationship between C0Blood and CGraft appeared to differ in the presence or absence of acute nephrotoxicity.
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Affiliation(s)
- Benedetta C Sallustio
- Department of Clinical Pharmacology, Basil Hetzel Institute, The Queen Elizabeth Hospital, Woodville South, SA, 5011, Australia.,Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, Adelaide, SA, 5000, Australia
| | - Benjamin D Noll
- School of Pharmacy and Medical Sciences, University of South Australia, Australia, Adelaide, SA, 5000, Australia
| | - Rong Hu
- Department of Pharmacy, Guangzhou Women's and Children's Medical Centre, Guangzhou Medical University, Guangzhou, China
| | - Daniel T Barratt
- Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, Adelaide, SA, 5000, Australia
| | - Jonathan Tuke
- ARC Centre for Excellence for Mathematical and Statistical Frontiers, School of Mathematical Sciences, Adelaide, SA, 5000, Australia.,School of Mathematical Sciences, Adelaide, SA, 5000, Australia
| | - Janet K Coller
- Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, Adelaide, SA, 5000, Australia
| | - Graeme R Russ
- Central Northern Adelaide Renal and Transplantation Services, Royal Adelaide Hospital, Adelaide, SA, 5000, Australia
| | - Andrew A Somogyi
- Discipline of Pharmacology, Adelaide Medical School, University of Adelaide, Adelaide, SA, 5000, Australia
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12
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Impacts of High Intra- and Inter-Individual Variability in Tacrolimus Pharmacokinetics and Fast Tacrolimus Metabolism on Outcomes of Solid Organ Transplant Recipients. J Clin Med 2020; 9:jcm9072193. [PMID: 32664531 PMCID: PMC7408675 DOI: 10.3390/jcm9072193] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Accepted: 07/09/2020] [Indexed: 12/14/2022] Open
Abstract
Tacrolimus is a first-line calcineurin inhibitor (CNI) and an integral part of the immunosuppressive strategy in solid organ transplantation. Being a dose-critical drug, tacrolimus has a narrow therapeutic index that necessitates periodic monitoring to maintain the drug’s efficacy and reduce the consequences of overexposure. Tacrolimus is characterized by substantial intra- and inter-individual pharmacokinetic variability. At steady state, the tacrolimus blood concentration to daily dose ratio (C/D ratio) has been described as a surrogate for the estimation of the individual metabolism rate, where a low C/D ratio reflects a higher rate of metabolism. Fast tacrolimus metabolism (low C/D ratio) is associated with the risk of poor outcomes after transplantation, including reduced allograft function and survival, higher allograft rejection, CNI nephrotoxicity, a faster decline in kidney function, reduced death-censored graft survival (DCGS), post-transplant lymphoproliferative disorders, dyslipidemia, hypertension, and cardiovascular events. In this article, we discuss the potential role of the C/D ratio in a noninvasive monitoring strategy for identifying patients at risk for potential adverse events post-transplant.
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13
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Cheung CY, Chan KM, Wong YT, Chak WL, Bekers O, van Hooff JP. Influence of CYP3A5 Genetic Polymorphism on Long-Term Renal Function in Chinese Kidney Transplant Recipients Using Limited Sampling Strategy and Abbreviated Area Under the Curve for Tacrolimus Monitoring. Prog Transplant 2020; 30:249-253. [PMID: 32552577 DOI: 10.1177/1526924820933823] [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: 11/16/2022]
Abstract
INTRODUCTION Although the association between CYP3A5 gene polymorphism and tacrolimus dosing requirements was well established, the impact on how CYP3A5 genotype affects the acute rejection and long-term renal function in patients who received kidney transplants and were treated with tacrolimus remained controversial. DESIGN Sixty-seven Chinese patients with kidney transplants receiving de novo tacrolimus-based immunosuppressive therapy with known CYP3A5 genotype were divided into 2 groups. Those with at least 1 CYP3A5*1 allele were CYP3A5 expressers while homozygotes for the mutant allele CYP3A5*3 were nonexpressers. Instead of trough level, our center used abbreviated area under the curve for tacrolimus monitoring. Primary outcome was the long-term renal function between both groups while secondary outcomes included the weight-adjusted daily tacrolimus dose, graft survival, incidence of biopsy-proven acute rejection (BPAR), opportunistic infection, and cancer. RESULTS Thirty-five (52.2%) patients were CYP3A5 expressers while 32 were nonexpressers. Mean daily tacrolimus dose in the CYP3A5 expressers and nonexpressers was 0.08 (0.03) and 0.05 (0.02) mg/kg, respectively (P < .01). Starting from 1-month posttransplant, the renal function was comparable between both groups, which persisted up to 10-year. Ten patients experienced BPAR rejection and there was no significant difference in the rejection-free survival between both groups (P = .87). There was also no significant difference in the death-censored graft survival between both groups (P = .86). Finally, the incidence of opportunistic infection and posttransplant cancer was similar between them. DISCUSSION There was no significant difference in renal function, graft survival, and acute rejection between CYP3A5 expressers and nonexpressers.
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Affiliation(s)
- Chi Yuen Cheung
- Renal Unit, Department of Medicine, 156451Queen Elizabeth Hospital, Hong Kong
| | - Koon Ming Chan
- Renal Unit, Department of Medicine, 156451Queen Elizabeth Hospital, Hong Kong
| | - Yuen Ting Wong
- Renal Unit, Department of Medicine, 156451Queen Elizabeth Hospital, Hong Kong
| | - Wai Leung Chak
- Renal Unit, Department of Medicine, 156451Queen Elizabeth Hospital, Hong Kong
| | - Otto Bekers
- Department of Clinical Chemistry, Central Diagnostic Laboratory, 199236Maastricht University Medical Centre, Maastricht, the Netherlands
| | - Johannes P van Hooff
- Department of Internal Medicine, 199236Maastricht University Medical Centre, Maastricht, the Netherlands
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14
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Pallio G, Irrera N, Bitto A, Mannino F, Minutoli L, Rottura M, Pallio S, Altavilla D, Alibrandi A, Marciano MC, Righi M, Mannucci C, Arcoraci V, Squadrito F. Failure of Achieving Tacrolimus Target Blood Concentration Might Be Avoided by a Wide Genotyping of Transplanted Patients: Evidence from a Retrospective Study. J Pers Med 2020; 10:jpm10020047. [PMID: 32492825 PMCID: PMC7354451 DOI: 10.3390/jpm10020047] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 05/22/2020] [Accepted: 05/29/2020] [Indexed: 01/08/2023] Open
Abstract
Precise tacrolimus treatment in transplanted patients is achieved in the clinical setting by performing therapeutic drug monitoring (TDM) and consequently adjusting therapy. The aim of this study was to retrospectively analyze the variability in tacrolimus blood levels throughout 2 years of observation in 75 transplanted patients and to investigate if tacrolimus blood levels correlate with presence of genetic polymorphisms, thus modifying tacrolimus pharmacokinetics. CYP3A5*1 (G6986A), CYP3A4*1B (A392G), CYP3A4*22, ABCB1 (C3435T; C1236T; G2677A/T), SLCO1B1 (T521C), polymorphisms were analyzed. Based on the effect of their genotypes, patients were stratified into 5 groups: (1) reduced tacrolimus metabolism (RM), (2) increased metabolism (IM), (3) transporters polymorphisms (TM), (4) metabolism and transporter polymorphisms (AM) and (5) no mutations (Wild Type, WT). The percentage of the samples out of therapeutic range was significantly higher in the IM group than in the WT group (p = 0.001), as well as compared to the TM group (p = 0.004). Only IM pattern (p = 0.015) resulted as an independent predictor of number of tacrolimus blood levels out of therapeutic range. RM pattern (p = 0.006) was inversely related to the administered dose. Therefore, genotyping could become a standard practice before tacrolimus prescription thus decreasing side effects, increasing efficacy and reducing the economic burden for the national health system.
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Affiliation(s)
- Giovanni Pallio
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Natasha Irrera
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Alessandra Bitto
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Federica Mannino
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Letteria Minutoli
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Michelangelo Rottura
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Socrate Pallio
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
| | - Domenica Altavilla
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via C. Valeria, 98125 Messina, Italy; (D.A.); (M.R.); (C.M.)
| | - Angela Alibrandi
- Department of Economics Section of Statistical and Mathematical Sciences, University of Messina, Via dei Verdi, 98122 Messina, Italy;
| | - Maria Concetta Marciano
- Grande Ospedale Metropolitano: “Bianchi-Melacrino-Morelli”, Via Giuseppe Melacrino, 89124 Reggio Calabria, Italy;
| | - Maria Righi
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via C. Valeria, 98125 Messina, Italy; (D.A.); (M.R.); (C.M.)
| | - Carmen Mannucci
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences, University of Messina, Via C. Valeria, 98125 Messina, Italy; (D.A.); (M.R.); (C.M.)
| | - Vincenzo Arcoraci
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
- Correspondence:
| | - Francesco Squadrito
- Department of Clinical and Experimental Medicine, University of Messina, Via C. Valeria, 98125 Messina, Italy; (G.P.); (N.I.); (A.B.); (F.M.); (L.M.); (M.R.); (S.P.); (F.S.)
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15
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Torres Espíndola LM, Rojo-Serrato D, Álvaro-Heredia A, Castillejos López MDJ, de Uña-Flores A, Pérez-García M, Zapata-Tarres M, Cárdenas-Cardos R, Granados J, Chávez-Pacheco JL, Salinas-Lara C, de Arellano ITR, Aquino-Gálvez A. Analysis of CYP450 gene allelic variants can predict ifosfamide toxicity in Mexican paediatric patients. Biomarkers 2020; 25:331-340. [PMID: 32279544 DOI: 10.1080/1354750x.2020.1754913] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Context: Ifosfamide (IFA) is an effective antineoplastic for solid tumours in children, although it is associated with high levels of systemic toxicity and causes death in some cases. Objective: The aim of this study was to determine whether the presence of certain allelic variants of genes CYP2B6, CYP2C9, CYP3A4 and CYP3A5 increases the risk of toxicity in children with solid tumours treated with ifosfamide.Materials and methods: A total of 131 DNA samples were genotyped by real-time polymerase chain reaction (RT-PCR) using TaqMan probes. Toxicity was assessed using WHO criteria, and survival analysis was performed using Kaplan-Meier curves.Results: The rs3745274 allelic variant in CYP2B6 was associated with haematological toxicity, affecting neutrophils; CYP3A4 variant rs2740574 was also associated with toxicity, affecting both leukocytes and neutrophils. Additionally, the CYP3A5 gene variant rs776746 was found to affect haemoglobin.Conclusions: Our results show that allelic variants rs3745274 (CYP2B6), rs2740574 (CYP34) and rs776746 (CYP3A5) increase the risk for high haematological toxicity.Clinical trial registration: 068/2013.
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Affiliation(s)
| | - Daniela Rojo-Serrato
- Laboratory of Pharmacology, National Institute of Paediatrics, Mexico City, Mexico
| | | | | | - Armando de Uña-Flores
- Radiology and Imaging Service, National Institute of Paediatrics, Mexico City, Mexico
| | | | - Marta Zapata-Tarres
- Department of Oncology Service, National Institute of Paediatrics, Mexico City, Mexico
| | - Rocio Cárdenas-Cardos
- Department of Oncology Service, National Institute of Paediatrics, Mexico City, Mexico
| | - Julio Granados
- Division of Immunogenetics, Department of Transplants, National Institute of Medical Sciences and Nutrition Salvador Zubiran, Mexico City, Mexico
| | | | - Citlaltepetl Salinas-Lara
- Department of Pathology, National Institute of Neurology and Neurosurgery Manuel Velasco Suarez, Mexico City, Mexico
| | | | - Arnoldo Aquino-Gálvez
- Department of Biomedical Oncology Laboratory, National Institute of Respiratory Diseases, Mexico City, Mexico
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16
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Effect of the Most Relevant CYP3A4 and CYP3A5 Polymorphisms on the Pharmacokinetic Parameters of 10 CYP3A Substrates. Biomedicines 2020; 8:biomedicines8040094. [PMID: 32331352 PMCID: PMC7235792 DOI: 10.3390/biomedicines8040094] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/16/2020] [Accepted: 04/20/2020] [Indexed: 12/14/2022] Open
Abstract
Several cytochrome P450 (CYP) CYP3A polymorphisms were associated with reduced enzyme function. We aimed to evaluate the influence of these alleles on the pharmacokinetic parameters (PK) of several CYP3A substrates. We included 251 healthy volunteers who received a single dose of ambrisentan, atorvastatin, imatinib, aripiprazole, fentanyl, amlodipine, donepezil, olanzapine, fesoterodine, or quetiapine. The volunteers were genotyped for CYP3A4 and CYP3A5 polymorphisms by qPCR. To compare the PK across studies, measurements were corrected by the mean of each parameter for every drug and were logarithmically transformed. Neither CYP3A phenotype nor individual CYP3A4 or CYP3A5 polymorphisms were significantly associated with differences in PK. However, regarding the substrates that are exclusively metabolized by CYP3A, we observed a higher normalized AUC (p = 0.099) and a tendency of lower normalized Cl (p = 0.069) in CYP3A4 mutated allele carriers what was associated with diminished drug metabolism capacity. CYP3A4 polymorphisms did not show a pronounced influence on PK of the analysed drugs. If so, their impact could be detectable in a very small percentage of subjects. Although there are few subjects carrying CYP3A4 double mutations, the effect in those might be relevant, especially due to the majority of subjects lacking the CYP3A5 enzyme. In heterozygous subjects, the consequence might be less noticeable due to the high inducible potential of the CYP3A4 enzyme.
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17
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Zhu J, Patel T, Miller JA, Torrice CD, Aggarwal M, Sketch MR, Alexander MD, Armistead PM, Coghill JM, Grgic T, Jamieson KJ, Ptachcinski JR, Riches ML, Serody JS, Schmitz JL, Shaw JR, Shea TC, Suzuki O, Vincent BG, Wood WA, Rao KV, Wiltshire T, Weimer ET, Crona DJ. Influence of Germline Genetics on Tacrolimus Pharmacokinetics and Pharmacodynamics in Allogeneic Hematopoietic Stem Cell Transplant Patients. Int J Mol Sci 2020; 21:E858. [PMID: 32013193 PMCID: PMC7037631 DOI: 10.3390/ijms21030858] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 01/24/2020] [Accepted: 01/25/2020] [Indexed: 02/06/2023] Open
Abstract
Tacrolimus exhibits high inter-patient pharmacokinetics (PK) variability, as well as a narrow therapeutic index, and therefore requires therapeutic drug monitoring. Germline mutations in cytochrome P450 isoforms 4 and 5 genes (CYP3A4/5) and the ATP-binding cassette B1 gene (ABCB1) may contribute to interindividual tacrolimus PK variability, which may impact clinical outcomes among allogeneic hematopoietic stem cell transplantation (HSCT) patients. In this study, 252 adult patients who received tacrolimus for acute graft versus host disease (aGVHD) prophylaxis after allogeneic HSCT were genotyped to evaluate if germline genetic variants associated with tacrolimus PK and pharmacodynamic (PD) variability. Significant associations were detected between germline variants in CYP3A4/5 and ABCB1 and PK endpoints (e.g., median steady-state tacrolimus concentrations and time to goal tacrolimus concentration). However, significant associations were not observed between CYP3A4/5 or ABCB1 germline variants and PD endpoints (e.g., aGVHD and treatment-emergent nephrotoxicity). Decreased age and CYP3A5*1/*1 genotype were independently associated with subtherapeutic tacrolimus trough concentrations while CYP3A5*1*3 or CYP3A5*3/*3 genotypes, myeloablative allogeneic HSCT conditioning regimen (MAC) and increased weight were independently associated with supratherapeutic tacrolimus trough concentrations. Future lines of prospective research inquiry are warranted to use both germline genetic and clinical data to develop precision dosing tools that will optimize both tacrolimus dosing and clinical outcomes among adult HSCT patients.
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Affiliation(s)
- Jing Zhu
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Tejendra Patel
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Jordan A. Miller
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
| | - Chad D. Torrice
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Mehak Aggarwal
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Margaret R. Sketch
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Maurice D. Alexander
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
- Division of Practice Advancement and Clinical Education, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA
| | - Paul M. Armistead
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - James M. Coghill
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Tatjana Grgic
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
| | - Katarzyna J. Jamieson
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Jonathan R. Ptachcinski
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
- Division of Practice Advancement and Clinical Education, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA
| | - Marcie L. Riches
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Jonathan S. Serody
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - John L. Schmitz
- Department of Pathology & Laboratory Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA; (J.L.S.); (E.T.W.)
| | - J. Ryan Shaw
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
| | - Thomas C. Shea
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Oscar Suzuki
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
| | - Benjamin G. Vincent
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - William A. Wood
- Division of Hematology and Oncology, Department of Medicine, University of North Carolina, Chapel Hill, NC 27599, USA; (P.M.A.); (J.M.C.); (K.J.J.); (M.L.R.); (J.S.S.); (T.C.S.); (B.G.V.); (W.A.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Kamakshi V. Rao
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
- Division of Practice Advancement and Clinical Education, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA
| | - Tim Wiltshire
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Eric T. Weimer
- Department of Pathology & Laboratory Medicine, University of North Carolina at Chapel Hill School of Medicine, Chapel Hill, NC 27599, USA; (J.L.S.); (E.T.W.)
| | - Daniel J. Crona
- The Center for Pharmacogenomics and Individualized Therapy, Division of Pharmacotherapy and Experimental Therapeutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC 27599, USA; (J.Z.); (T.P.); (C.D.T.); (M.A.); (M.R.S.); (O.S.); (T.W.)
- Department of Pharmacy, University of North Carolina Hospitals and Clinics, Chapel Hill, NC 27599, USA; (J.A.M.); (M.D.A.); (T.G.); (J.R.P.); (J.R.S.); (K.V.R.)
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC 27599, USA
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18
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Wang Z, Zheng M, Yang H, Han Z, Tao J, Chen H, Sun L, Guo M, Wang L, Tan R, Wei JF, Gu M. Association of Genetic Variants in CYP3A4, CYP3A5, CYP2C8, and CYP2C19 with Tacrolimus Pharmacokinetics in Renal Transplant Recipients. Curr Drug Metab 2020; 20:609-618. [PMID: 31244435 DOI: 10.2174/1389200220666190627101927] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 05/05/2019] [Accepted: 05/31/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND Our study aimed to investigate the pharmacogenetics of cytochrome P3A4 (CYP3A4), CYP3A5, CYP2C8, and CYP2C19 and their influence on TAC Pharmacokinetics (PKs) in short-term renal transplant recipients. METHODS A total of 105 renal transplant recipients were enrolled. Target Sequencing (TS) based on next-generation sequencing technology was used to detect all exons, exon/intron boundaries, and flanking regions of CYP3A4, CYP3A5, CYP2C8, and CYP2C19. After adjustment of Minor Allele Frequencies (MAF) and Hardy-Weinberg Equilibrium (HWE) analysis, tagger Single-nucleotide Polymorphisms (SNPs) and haplotypes were identified. Influence of tagger SNPs on TAC concentrations was analyzed. RESULTS A total of 94 SNPs were identified in TS analysis. Nine tagger SNPs were selected, and two SNPs (rs15524 and rs4646453) were noted to be significantly associated with TAC PKs in short-term post-transplant follow-up. Measurement time points of TAC, body mass index (BMI), usage of sirolimus, and incidence of Delayed Graft Function (DGF) were observed to be significantly associated with TAC PKs. Three haplotypes were identified, and rs15524-rs4646453 was found to remarkably contribute to TAC PKs. Recipients carrying H2/H2 (GG-AA) haplotype also showed significantly high weight- and dose-adjusted TAC concentrations in posttransplant periods of 7, 14, and 30 days and 3 and 6 months. CONCLUSIONS Two tagger SNPs, namely, rs15524 and rs4646453, are significantly related to the variability of TAC disposition, and TAC measurement time points, BMI, usage of sirolimus, and incidence of DGF contribute to this influence. Recipients carrying H2/H2 (GG-AA) haplotype in rs15524-rs4646453 may require a low dosage of TAC during 1-year follow-up posttransplant.
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Affiliation(s)
- Zijie Wang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ming Zheng
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Haiwei Yang
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Zhijian Han
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Jun Tao
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Hao Chen
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Li Sun
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Miao Guo
- Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Libin Wang
- Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ruoyun Tan
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Ji-Fu Wei
- Research Division of Clinical Pharmacology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Min Gu
- Department of Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, China
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19
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Farouk SS, Rein JL. The Many Faces of Calcineurin Inhibitor Toxicity-What the FK? Adv Chronic Kidney Dis 2020; 27:56-66. [PMID: 32147003 DOI: 10.1053/j.ackd.2019.08.006] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023]
Abstract
Calcineurin inhibitors (CNIs) are both the savior and Achilles' heel of kidney transplantation. Although CNIs have significantly reduced rates of acute rejection, their numerous toxicities can plague kidney transplant recipients. By 10 years, virtually all allografts will have evidence of CNI nephrotoxicity. CNIs have been strongly associated with hypertension, dyslipidemia, and new onset of diabetes after transplantation-significantly contributing to cardiovascular risk in the kidney transplant recipient. Multiple electrolyte derangements including hyperkalemia, hypomagnesemia, hypercalciuria, metabolic acidosis, and hyperuricemia may be challenging to manage for the clinician. Finally, CNI-associated tremor, gingival hyperplasia, and defects in hair growth can have a significant impact on the transplant recipient's quality of life. In this review, the authors briefly discuss the pharmacokinetics of CNI and discuss the numerous clinically relevant toxicities of commonly used CNIs, cyclosporine and tacrolimus.
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20
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Zhang Z, Lu X, Dong L, Ma J, Fan X. Clinical observation on the effect of Wuzhi soft capsule on FK506 concentration in membranous nephropathy patients. Medicine (Baltimore) 2019; 98:e18150. [PMID: 31770256 PMCID: PMC6890353 DOI: 10.1097/md.0000000000018150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The current research aimed to investigate the correlation between the effect of Wuzhi soft capsule (WZC) on FK506 concentration and CYP3A5 gene polymorphism in patients with membranous nephropathy (MN).Seventy-five patients with idiopathic MN were enrolled and divided according to the expression of CYP3A5 gene metabolic enzyme into group A (CP3A5 metabolic enzyme function expression types CYP3A5*1/*1 type and CYP3A5*1/*3 type), and group B (non-expression type CYP3A5*3/*3 type). All patients were given oral administration of tacrolimus capsule at the initial dose of 1 mg for twice a day 1 hour before breakfast and dinner. Afterwards, the oral administration of WZC was added at the dose of 0.5 g for 3 times a day within half an hour after 3 meals.The blood concentrations of FK506 in groups A and B were significantly higher than those before administration. Compared with that before administration, the FK506 blood concentration was increased by 3.051 ± 0.774 ng/ml after adding the WZC. Besides, the blood concentrations of FK506 in group A were lower than those in group B before and after administration; meanwhile, the 24 hours total urine protein and the biochemical indexes in both groups displayed no statistically significant difference. Only 1 case of diarrhea was observed, which was relieved after the reduction of tacrolimus.Wuzhi soft capsule can significantly increase the blood concentration of FK506 in MN patients. Moreover, the CYP3A5 genotyping should be considered when WZC is used to increase the blood concentration of FK506.
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Affiliation(s)
- Zhu Zhang
- Department of Nephrology, Fuwai Central China Cardiovascular Hospital
| | - Xiaobei Lu
- Department of Nephrology, People's Hospital of Zhengzhou, Zhengzhou
| | - Leipeng Dong
- Department of Nephrology, The people's Hospital of Xuchang, Xuchang
| | - Jiwei Ma
- Department of Nephrology, First affiliated Hospital of Henan university of traditional Chinese medicine, Zhengzhou, China
| | - Xiaoguang Fan
- Department of Nephrology, Fuwai Central China Cardiovascular Hospital
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21
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Cheung CY, Chan KM, Wong YT, Chak WL, Bekers O, van Hooff JP. Impact of CYP3A5 Genetic Polymorphism on Intrapatient Variability of Tacrolimus Exposure in Chinese Kidney Transplant Recipients. Transplant Proc 2019; 51:1754-1757. [DOI: 10.1016/j.transproceed.2019.04.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 04/24/2019] [Accepted: 04/25/2019] [Indexed: 01/05/2023]
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22
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The Effects of CYP3A5 Genetic Polymorphisms on Serum Tacrolimus Dose-Adjusted Concentrations and Long-Term Prognosis in Chinese Heart Transplantation Recipients. Eur J Drug Metab Pharmacokinet 2019; 44:771-776. [PMID: 31087280 DOI: 10.1007/s13318-019-00563-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND AND OBJECTIVES Effective management of immunosuppressants is extemely important to improve prognosis of heart transplant recipients. We aim to investigate the effects of cytochrome P450 (CYP) 3A5 (rs776746) single nucleotide polymorphisms (SNPs) on serum tacrolimus concentrations/doses (C/Ds, ng/mL per mg/kg) and long-term prognosis in Chinese heart transplant recipients. METHODS We detected the CYP3A5 SNPs of 203 consecutive Chinese heart transplant recipients between August 2005 and July 2012, and 55 of them who received tacrolimus-based immunosuppressive therapy were enrolled in this study. The tacrolimus C/Ds at 1, 3, 6, 12, 24 and 36 months after transplantation were routinely calculated. X-ray-guided endomyocardial biopsies (EMBs) were performed at 1, 3 and 6 months after heart transplantion to evaluate acute rejection degrees. All participants were then followed up annually until May 2018. The designed primary endpoint was all-cause mortality. RESULTS In 55 heart transplant recipients (43 males and 12 females), CYP3A5 non-expressors (CYP3A5*3/*3, n = 40) had significantly higher tacrolimus C/Ds than expressors (CYP3A5*1/*3, n = 15) at all time points (P < 0.001). Chi-squared test showed no significant differences in EMB-proven acute rejections between the two groups within 6 months after heart transplantion. The median follow-up period was 94.7 months, and eight patients died. Kaplan-Meier analysis showed CYP3A5 expressors tend to have higher mortality than non-expressors (20% vs 12.5%, log-rank: P = 0.314). CONCLUSIONS CYP3A5 SNPs affect tacrolimus pharmacokinetics in Chinese heart transplant recipients, and non-expressors have higher tacrolimus C/Ds. In addition, expressors tend to have a worse long-term prognosis than non-expressors.
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23
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Effect of tacrolimus dispositional genetics on acute rejection in the first 2 weeks and estimated glomerular filtration rate in the first 3 months following kidney transplantation. Pharmacogenet Genomics 2019; 29:9-17. [DOI: 10.1097/fpc.0000000000000360] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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24
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Effect of CYP3A5 genotype on hospitalization cost for kidney transplantation. Int J Clin Pharm 2018; 41:88-95. [DOI: 10.1007/s11096-018-0750-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 11/08/2018] [Indexed: 12/23/2022]
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25
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Identification of genetic variants associated with tacrolimus metabolism in kidney transplant recipients by extreme phenotype sampling and next generation sequencing. THE PHARMACOGENOMICS JOURNAL 2018; 19:375-389. [PMID: 30442921 PMCID: PMC6522337 DOI: 10.1038/s41397-018-0063-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 09/11/2018] [Accepted: 09/27/2018] [Indexed: 12/26/2022]
Abstract
An extreme phenotype sampling (EPS) model with targeted next-generation sequencing (NGS) identified genetic variants associated with tacrolimus (Tac) metabolism in subjects from the Deterioration of Kidney Allograft Function (DeKAF) Genomics cohort which included 1,442 European Americans (EA) and 345 African Americans (AA). This study included 48 subjects separated into 4 groups of 12 (AA high, AA low, EA high, EA low). Groups were selected by the extreme phenotype of dose-normalized Tac trough concentrations after adjusting for common genetic variants and clinical factors. NGS spanned >3 Mb of 28 genes and identified 18,661 genetic variants (3,961 previously unknown). A group of 125 deleterious variants, by SIFT analysis, were associated with Tac troughs in EAs (burden test, p=0.008), CYB5R2 was associated with Tac troughs in AAs (SKAT, p=0.00079). In CYB5R2, rs61733057 (increased allele frequency in AAs) was predicted to disrupt protein function by SIFT and PolyPhen2 analysis. The variants merit further validation.
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26
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Tron C, Lemaitre F, Verstuyft C, Petitcollin A, Verdier MC, Bellissant E. Pharmacogenetics of Membrane Transporters of Tacrolimus in Solid Organ Transplantation. Clin Pharmacokinet 2018; 58:593-613. [DOI: 10.1007/s40262-018-0717-7] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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27
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Yu M, Liu M, Zhang W, Ming Y. Pharmacokinetics, Pharmacodynamics and Pharmacogenetics of Tacrolimus in Kidney Transplantation. Curr Drug Metab 2018; 19:513-522. [PMID: 29380698 PMCID: PMC6182932 DOI: 10.2174/1389200219666180129151948] [Citation(s) in RCA: 94] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 10/03/2017] [Accepted: 10/13/2017] [Indexed: 01/10/2023]
Abstract
Background: Tacrolimus (Tac, or FK506), a calcineurin inhibitor (CNI), is the first-line immu-nosuppressant which consists of the footstone as immunosuppressive regimens in kidney transplantation. However, the drug toxicity and the significant differences of pharmacokinetics (PK) and pharmacodynam-ics (PD) among individuals are hidden troubles for clinical application. Recently, emerging evidences of Tac pharmacogenetics (PG) regarding drug absorption, metabolism, disposition, excretion and response are discovered for better understanding of this drug. Method: We reviewed the published articles regarding the Tac PG and its effects on PK and PD in kidney transplantation. In addition, we summarized information on polygenic algorithms. Results: The polymorphism of genes encoding metabolic enzymes and transporters related to Tac were largely investigated, but the results were inconsistent. In addition to CYP3A4, CYP3A5 and P-gp (also known as ABCB1), single nucleotide polymorphisms (SNPs) might also affect the PK and PD parameters of Tac. Conclusion: The correlation between Tac PK, PD and PG is very complex. Although many factors need to be verified, it is envisaged that thorough understanding of PG may assist clinicians to predict the optimal starting dosage, help adjust the maintenance regimen, as well as identify high risk patients for adverse ef-fects or drug inefficacy
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Affiliation(s)
- Meng Yu
- Transplantation center, The 3rd Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
| | - Mouze Liu
- Institute of Clinical Pharmacology, Central South University; Hunan Key Laboratory of Pharmacogenetics, Changsha, 410078, Hunan, China
| | - Wei Zhang
- Institute of Clinical Pharmacology, Central South University; Hunan Key Laboratory of Pharmacogenetics, Changsha, 410078, Hunan, China
| | - Yingzi Ming
- Transplantation center, The 3rd Xiangya Hospital, Central South University, Changsha, 410013, Hunan, China
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28
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Egeland EJ, Reisaeter AV, Robertsen I, Midtvedt K, Strøm EH, Holdaas H, Hartmann A, Åsberg A. High tacrolimus clearance - a risk factor for development of interstitial fibrosis and tubular atrophy in the transplanted kidney: a retrospective single-center cohort study. Transpl Int 2018; 32:257-269. [PMID: 30252957 DOI: 10.1111/tri.13356] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 07/31/2018] [Accepted: 09/19/2018] [Indexed: 12/11/2022]
Abstract
Patients with high tacrolimus clearance are more likely to experience transient under-immunosuppression in case of a missed or delayed dose. We wanted to investigate the association between estimated tacrolimus clearance and development of graft interstitial fibrosis and tubular atrophy (IFTA) in kidney transplant recipients. Associations between estimated tacrolimus clearance [daily tacrolimus dose (mg)/trough concentration (μg/l)] and changes in IFTA biopsy scores from week 7 to 1-year post-transplantation were investigated. Data from 504 patients transplanted between 2009 and 2013 with paired protocol biopsies (7 weeks + 1-year post-transplant) were included. There were no differences in baseline biopsy scores (7 weeks) in patients with different estimated tacrolimus clearance. Increasing tacrolimus clearance was significantly associated with increased ci + ct score of ≥2 at 1 year, odds ratio of 1.67 (95% CI; 1.11-2.51). In patients without fibrosis (ci + ct ≤ 1) at 7 weeks (n = 233), increasing tacrolimus clearance was associated with development of de novo IFTA (i + t ≤ 1 and ci + ct ≥ 2) at 1 year, odds ratio of 2.01 (95% CI; 1.18-3.50) after adjusting for confounders. High tacrolimus clearance was significantly associated with development of IFTA the first year following renal transplantation.
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Affiliation(s)
| | - Anna Varberg Reisaeter
- Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Ida Robertsen
- School of Pharmacy, University of Oslo, Oslo, Norway
| | - Karsten Midtvedt
- Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | | | - Hallvard Holdaas
- Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Anders Hartmann
- Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Anders Åsberg
- School of Pharmacy, University of Oslo, Oslo, Norway.,Department of Transplantation Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
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29
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Scheibner A, Remmel R, Schladt D, Oetting WS, Guan W, Wu B, Dorr C, Israni A, Jacobson PA. Tacrolimus Elimination in Four Patients With a CYP3A5*3/*3 CYP3A4*22/*22 Genotype Combination. Pharmacotherapy 2018; 38:e46-e52. [PMID: 29804290 PMCID: PMC6265082 DOI: 10.1002/phar.2131] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cytochrome P450 3A5 (CYP3A5) and cytochrome P450 3A4 (CYP3A4) are the predominate enzymes responsible for tacrolimus metabolism. The presence of CYP3A4 and CYP3A5 genetic variants significantly affects tacrolimus clearance and dose requirements. CYP3A5*3 is a loss-of-function variant resulting in no CYP3A5 enzyme production. CYP3A4*22 is a variant that reduces production of functional CYP3A4 protein. Caucasians commonly carry these variant alleles but are very rarely homozygous for both CYP3A5*3 and CYP3A4*22. This report describes four kidney transplant recipients who carry a rare genotype combination (CYP3A5*3/*3 and CYP3A4*22/*22). These patients were identified from a larger cohort of Caucasian kidney transplant recipients (n=1366). To understand the significance of this genotype combination on tacrolimus troughs and doses, we compared these patients to recipients without this combination. Patients homozygous for both variants are at risk for profound reductions in metabolism of CYP3A substrates. A 342% and a 90.6% increase in the median dose-normalized trough was observed, when the CYP3A5*3/*3 and CYP3A4*22/*22 genotype combination was compared to the CYP3A5*1/*1 and CYP3A4*1/*1 genotype combination and the CYP3A5*3/*3 and CYP3A4*1/*1 genotype combination, respectively. These four individuals only required on average 2.5 mg/day of tacrolimus. Knowledge of these genotypes would be useful in selecting appropriate tacrolimus doses to avoid overexposure.
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Affiliation(s)
- Aileen Scheibner
- University of Minnesota College of Pharmacy, Minneapolis, Minnesota
| | - Rory Remmel
- Department of Medicinal Chemistry, University of Minnesota College of Pharmacy, Minneapolis, Minnesota
| | - David Schladt
- Minneapolis Medical Research Foundation, Minneapolis, Minnesota
| | - William S Oetting
- Department of Experimental and Clinical Pharmacology, University of Minnesota, Minneapolis, Minnesota
| | - Weihua Guan
- Division of Biostatistics, University of Minnesota, Minneapolis, Minnesota
| | - Baolin Wu
- Division of Biostatistics, University of Minnesota, Minneapolis, Minnesota
| | - Casey Dorr
- Division of Nephrology, Department of Medicine, Hennepin Country Medical Center, Minneapolis, Minnesota
| | - Ajay Israni
- Minneapolis Medical Research Foundation, Minneapolis, Minnesota.,Division of Nephrology, Department of Medicine, Hennepin Country Medical Center, Minneapolis, Minnesota.,Epidemiology and Community Health, University of Minnesota School of Public Health, Minneapolis, Minnesota
| | - Pamala A Jacobson
- Department of Experimental and Clinical Pharmacology, University of Minnesota College of Pharmacy, Minneapolis, Minnesota
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30
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Conyers R, Devaraja S, Elliott D. Systematic review of pharmacogenomics and adverse drug reactions in paediatric oncology patients. Pediatr Blood Cancer 2018; 65. [PMID: 29286579 DOI: 10.1002/pbc.26937] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/28/2017] [Accepted: 11/29/2017] [Indexed: 12/12/2022]
Abstract
Many paediatric patients with cancer experience significant chemotherapy side effects. Predisposition to drug reactions is governed by single nucleotide polymorphisms (SNPs). We performed a systematic review of the literature from 2006 through 2016. Outcomes of interest included patient characteristics, cancer type drug of interest, genes investigated, toxicity identified and genetic polymorphisms implicated. The primary toxicities studied were neurotoxicity cardiotoxicity, osteonecrosis, and thromboembolism and hypersensitivity reactions. The retrieved studies were grouped according to toxicity reported and SNP associations. This review highlights the discoveries to date in pharmacogenomics and paediatric oncology along with highlighting some of the important limitations in the area.
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Affiliation(s)
- Rachel Conyers
- Murdoch Children's Research Institute, Melbourne, Australia.,Children's Cancer Centre, The Royal Children's Hospital, Melbourne, Australia
| | - Subalatha Devaraja
- Department of Medicine, Melbourne University, Melbourne, Australia.,Children's Cancer Centre, The Royal Children's Hospital, Melbourne, Australia
| | - David Elliott
- Murdoch Children's Research Institute, Melbourne, Australia
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31
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Chen L, Prasad GVR. CYP3A5 polymorphisms in renal transplant recipients: influence on tacrolimus treatment. PHARMACOGENOMICS & PERSONALIZED MEDICINE 2018; 11:23-33. [PMID: 29563827 PMCID: PMC5846312 DOI: 10.2147/pgpm.s107710] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Tacrolimus is a commonly used immunosuppressant after kidney transplantation. It has a narrow therapeutic range and demonstrates wide interindividual variability in pharmacokinetics, leading to potential underimmunosuppression or toxicity. Genetic polymorphism in CYP3A5 enzyme expression contributes to differences in tacrolimus bioavailability between individuals. Individuals carrying one or more copies of the wild-type allele *1 express CYP3A5, which increases tacrolimus clearance. CYP3A5 expressers require 1.5 to 2-fold higher tacrolimus doses compared to usual dosing to achieve therapeutic blood concentrations. Individuals with homozygous *3/*3 genotype are CYP3A5 nonexpressers. CYP3A5 nonexpression is the most frequent phenotype in most ethnic populations, except blacks. Differences between CYP3A5 genotypes in tacrolimus disposition have not translated into differences in clinical outcomes, such as acute rejection and graft survival. Therefore, although genotype-based dosing may improve achievement of therapeutic drug concentrations with empiric dosing, its role in clinical practice is unclear. CYP3A5 genotype may predict differences in absorption of extended-release and immediate-release oral formulations of tacrolimus. Two studies found that CYP3A5 expressers require higher doses of tacrolimus in the extended-release formulation compared to immediate release. CYP3A5 genotype plays a role in determining the impact of interacting drugs, such as fluconazole, on tacrolimus pharmacokinetics. Evidence conflicts regarding the impact of CYP3A5 genotype on risk of nephrotoxicity associated with tacrolimus. Further study is required.
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Affiliation(s)
- Lucy Chen
- Kidney Transplant Program, St Michael's Hospital, Toronto, ON, Canada
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Gervasini G, García-Pino G, Vergara E, Mota-Zamorano S, García-Cerrada M, Luna E. CYP3A genotypes of donors but not those of the patients increase the risk of acute rejection in renal transplant recipients on calcineurin inhibitors: a pilot study. Eur J Clin Pharmacol 2017; 74:53-60. [DOI: 10.1007/s00228-017-2353-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 10/10/2017] [Indexed: 01/28/2023]
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Fei T, Shao Y, Yan Z, Zhu L, Li S, Pan J, Guo C. The effects of P-gp and CYP450 modulated by rifampicin on the steroid-induced osteonecrosis of the femoral head. J Bone Miner Metab 2017; 35:504-512. [PMID: 27848009 DOI: 10.1007/s00774-016-0787-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 09/12/2016] [Indexed: 11/26/2022]
Abstract
This study investigated the effects of rifampicin-modulated P-glycoprotein (P-gp) and cytochrome P450 (CYP450) activity on the development of steroid-induced osteonecrosis of the femoral head. Thirty-two rabbits were equally divided into four groups: control group, oral administration group, intramuscular injection group, and local release group, in which rifampicin-loaded artificial bone graft was implanted in the left femur cavity and blank bone graft was implanted in the right femur cavity. Dexamethasone was given 1 week after rifampicin administration. Peripheral P-gp activity and hepatic CYP450 content were investigated 4 weeks later. Hematoxylin and eosin, Massson, and tetracycline-fluorescence staining of the femoral head were compared. In vitro, the effects of intracellular dexamethasone concentration modulated by P-gp on osteoprotegerin (OPG)/receptor activator of nuclear factor κB ligand (RANKL) expression and differentiation of mesenchymal stem cells were further investigated. Peripheral P-gp activity and hepatic CYP450 content in the oral administration group and the intramuscular injection group were significantly higher than those in the local release group. P-gp activity of mesenchymal stem cells in rifampicin-implanted femoral head was significantly higher than that in the blank control. Histological study showed that rifampicin could prevent steroid-induced bone loss and lipid formation, and promote new bone formation and maturation. In vitro study confirmed that intracellular dexamethasone concentration modulated by P-gp could influence the OPG/RANKL ratio and the differentiation of mesenchymal stem cells. Enhanced levels of peripheral P-gp and hepatic CYP450 can reduce the incidence of steroid-induced osteonecrosis of the femoral head. P-gp activity locally enhanced by rifampicin decreases the intracellular steroid concentration, but rifampicin does not have significant effects on peripheral P-gp and hepatic CYP450.
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Affiliation(s)
- Teng Fei
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China
| | - Yunchao Shao
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China
| | - Zuoqin Yan
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China.
| | - Liang Zhu
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China.
| | - Shuo Li
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China
| | - Jianfeng Pan
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China
| | - Changan Guo
- Department of Orthopedic Surgery, Zhongshan Hospital, Shanghai Medical College of Fudan University, Building 5, No. 180, FengLin Road, XuHui District, Shanghai, 200032, China
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Soda M, Fujitani M, Michiuchi R, Shibayama A, Kanamori K, Yoshikuni S, Ohno Y, Tsuchiya T, Suzuki A, Horie K, Deguchi T, Itoh Y, Kitaichi K. Association Between Tacrolimus Pharmacokinetics and Cytochrome P450 3A5 and Multidrug Resistance Protein 1 Exon 21 Polymorphisms. Transplant Proc 2017; 49:1492-1498. [DOI: 10.1016/j.transproceed.2017.03.093] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 03/07/2017] [Accepted: 03/30/2017] [Indexed: 10/19/2022]
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Qu L, Lu Y, Ying M, Li B, Weng C, Xie Z, Liang L, Lin C, Yang X, Feng S, Wang Y, Shen X, Zhou Q, Chen Y, Chen Z, Wu J, Lin W, Shen Y, Qin J, Xu H, Xu F, Wang J, Chen J, Jiang H, Huang H. Tacrolimus dose requirement based on the CYP3A5 genotype in renal transplant patients. Oncotarget 2017; 8:81285-81294. [PMID: 29113387 PMCID: PMC5655282 DOI: 10.18632/oncotarget.18150] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 03/08/2017] [Indexed: 11/25/2022] Open
Abstract
Tacrolimus (FK506) and cyclosporine A (CsA) are widely used to protect graft function after renal transplantation. The aim of the present study is to determine whether the single nucleotide polymorphism of CYP3A5 is a predictive index of FK506 dose requirement, and also the selection yardstick of FK506 or CsA treatment.We tested archival peripheral blood of 218 kidney recipients for CYP3A5 genotyping with PCR-SSP. Meanwhile, the dose of FK506 and CsA was recorded, blood concentration of the drugs was measured, and graft outcome was monitored.These results indicate that CYP3A5*AA/AG carriers need higher FK506 dose than CYP3A5*GG homozygote to achieve the target blood concentration. For CYP3A5*GG carriers, taking FK506 or CsA are both advisable. CYP3A5*AA/AG carriers preferred to CsA treatment depending on the graft outcomes and drug costs. CYP3A5 genotyping is a new approach to detecting FK506 dose requirement and a predictive index for the FK506 or CsA treatment selection in kidney recipients.
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Affiliation(s)
- Lihui Qu
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Yingying Lu
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Meike Ying
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Bingjue Li
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Chunhua Weng
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Zhoutao Xie
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Ludan Liang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Chuan Lin
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Xian Yang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Shi Feng
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Yucheng Wang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Xiujin Shen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Qin Zhou
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Ying Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Zhimin Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Jianyong Wu
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Weiqiang Lin
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China.,Institute of Translational Medicine, College of Medicine, Zhejiang University, Hangzhou, China
| | - Yi Shen
- Department of Epidemiology, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jing Qin
- Department of Biochemistry, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.,Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen, Guangdong, China
| | - Hang Xu
- Department of Biochemistry, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Feng Xu
- Department of Biochemistry, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.,Shenzhen Institute of Research and Innovation, The University of Hong Kong, Shenzhen, Guangdong, China
| | - Junwen Wang
- Centre for Genomic Sciences, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China.,Department of Epidemiology, College of Medicine, Zhejiang University, Hangzhou, China
| | - Jianghua Chen
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Hong Jiang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
| | - Hongfeng Huang
- Kidney Disease Center, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China.,Kidney Disease Immunology Laboratory, The Third Grade Laboratory, State Administration Of Traditional Chinese Medicine Of PR China, Hangzhou, China.,Key Laboratory Of Multiple Organ Transplantation, Ministry Of Health, Hangzhou, China.,Key Laboratory Of Nephropathy, Zhejiang Province, Hangzhou, China
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Genvigir FDV, Nishikawa AM, Felipe CR, Tedesco-Silva H, Oliveira N, Salazar ABC, Medina-Pestana JO, Doi SQ, Hirata MH, Hirata RDC. Influence of ABCC2, CYP2C8, and CYP2J2 Polymorphisms on Tacrolimus and Mycophenolate Sodium-Based Treatment in Brazilian Kidney Transplant Recipients. Pharmacotherapy 2017; 37:535-545. [PMID: 28316087 DOI: 10.1002/phar.1928] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
STUDY OBJECTIVE To investigate the influence of single nucleotide polymorphisms (SNPs) in genes encoding metabolizing enzymes (CYP2C8, CYP2J2, and UGT2B7) and transporters (ABCC2 and ABCG2) on dose and dose-adjusted trough blood concentrations (C:D ratio), clinical outcomes, and occurrence of adverse events of tacrolimus and mycophenolate sodium in Brazilian kidney transplant recipients. DESIGN Pharmacogenetic analysis of patients enrolled in a previously published study. PATIENTS One hundred forty-eight adult kidney transplant recipients treated with tacrolimus, enteric-coated mycophenolate sodium, and prednisone for 90 days posttransplantation. MEASUREMENTS AND MAIN RESULTS ABCC2 c.-24C>T and c.3972C>T, ABCG2 c.421C>A, CYP2C8*3, CYP2J2 c.-76G>T, and UGT2B7 c.372A>G SNPs were determined by real-time polymerase chain reaction. The CYP3A5*3C SNP data were used to eliminate the confounding effect of this variant on the results. ABCC2 c.3972T allele carriers showed higher tacrolimus C:D values than did carriers of the c.3972CC genotype. The CYP2C8*3 variant was also associated with slightly higher tacrolimus C:D values and higher estimated glomerular filtration rate but only in CYP3A5-nonexpressing patients (CYP3A5*3C/*3C carriers). None of the SNPs were associated with mycophenolate sodium dose or episodes of biopsy-confirmed acute rejection or delayed graft function. The CYP2J2 c.-76T allele was associated with increased risk for treatment-induced nausea and/or vomiting (OR: 5.30, 95% confidence interval 1.49-18.79, p<0.05). CONCLUSION The ABCC2 c.3972C >T polymorphism affected tacrolimus C:D in Brazilian kidney transplant recipients. Further, CYP2C8*3 and CYP2J2 c.-76G>T SNPs influenced the renal function of these patients and the occurrence of adverse events during treatment with tacrolimus and mycophenolate sodium.
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Affiliation(s)
- Fabiana D V Genvigir
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Alvaro M Nishikawa
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Claudia R Felipe
- Nephrology Division, Hospital do Rim, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Helio Tedesco-Silva
- Nephrology Division, Hospital do Rim, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Nagilla Oliveira
- Nephrology Division, Hospital do Rim, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Antony B C Salazar
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Jose O Medina-Pestana
- Nephrology Division, Hospital do Rim, Federal University of Sao Paulo, Sao Paulo, Brazil
| | - Sonia Q Doi
- School of Medicine, Uniformed Services University, Bethesda, Maryland
| | - Mario H Hirata
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
| | - Rosario D C Hirata
- Department of Clinical and Toxicological Analysis, School of Pharmaceutical Sciences, University of Sao Paulo, Sao Paulo, Brazil
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Hu GX, Dai DP, Wang H, Huang XX, Zhou XY, Cai J, Chen H, Cai JP. Systematic screening for CYP3A4 genetic polymorphisms in a Han Chinese population. Pharmacogenomics 2017; 18:369-379. [PMID: 28244811 DOI: 10.2217/pgs-2016-0179] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Aim: To systematically investigate the genetic polymorphisms of the CYP3A4 gene in a Han Chinese population. Materials & methods: The promoter and exons of CYP3A4 gene in 1114 unrelated, healthy Han Chinese subjects were amplified and genotyped by direct sequencing. Results: In total, five previously reported alleles (*1G, *4, *5, *18B and *23) were detected, of which one allele (*23) was reported for the first time in Han Chinese population. Additionally, seven novel exonic variants were also identified and designated as new alleles CYP3A4*28–*34. Conclusion: This study provides the most comprehensive data of CYP3A4 polymorphisms in Han Chinese population and detects the largest number of novel CYP3A4 alleles in one ethnic group.
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Affiliation(s)
- Guo-Xin Hu
- Department of Pharmacology, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P.R. China
| | - Da-Peng Dai
- The MOH Key Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China
| | - Hao Wang
- Department of Pharmacology, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P.R. China
| | - Xiang-Xin Huang
- Department of Pharmacology, School of Pharmacy, Wenzhou Medical University, Wenzhou, Zhejiang 325035, P.R. China
| | - Xiao-Yang Zhou
- The MOH Key Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China
| | - Jie Cai
- Department of Pharmacy, Traditional Chinese Medical Hospital of Wenling, Wenling, Zhejiang 317500, P.R. China
| | - Hao Chen
- Department of Cardiology, Beijing Hospital, Beijing 100730, P.R. China
| | - Jian-Ping Cai
- The MOH Key Laboratory of Geriatrics, Beijing Hospital, National Center of Gerontology, Beijing 100730, P.R. China
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Rancic N, Dragojevic-Simic V, Vavic N, Kovacevic A, Segrt Z, Djordjevic N. Economic Evaluation of Pharmacogenetic Tests in Patients Subjected to Renal Transplantation: A Review of Literature. Front Public Health 2016; 4:189. [PMID: 27630984 PMCID: PMC5005394 DOI: 10.3389/fpubh.2016.00189] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 08/23/2016] [Indexed: 12/15/2022] Open
Abstract
Renal transplantation is the treatment of choice for the patients with end-stage renal failure. Genetic factors, among others, can influence variability in response to immunosuppressive drugs. Nowadays, due to restrictive health resources, the question arises whether routine pharmacogenetic analyses should be done in the renal transplant recipients or not. The aim of this literature review was to present the up-to-date information considering the economic feasibility of pharmacogenetic testing in patients subjected to renal transplantation. The organization United Network for Organ Sharing in the US estimated that total costs per renal transplant concerning these analyses were $334,300 in 2014. Pharmacogenetic testing prior to treatment initiation could be helpful to predict and assess treatment response and the risks for adverse drug reactions. This kind of testing before treatment initiation seems to be one of the most promising applications of pharmacokinetics. Although pharmacogenetic tests were found to be a cost-effective or cost-saving strategy in many cases, some authors represent another opinion. However, if the real costs of renal transplantation are recognized, the application of these tests in the standard daily practice could be considered more realistic, which additionally emphasizes the importance of future studies assessing their cost effectiveness.
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Affiliation(s)
- Nemanja Rancic
- Centre for Clinical Pharmacology, Military Medical Academy Medical Faculty, University of Defence , Belgrade , Serbia
| | - Viktorija Dragojevic-Simic
- Centre for Clinical Pharmacology, Military Medical Academy Medical Faculty, University of Defence , Belgrade , Serbia
| | - Neven Vavic
- Solid Organ Transplantation Center, Military Medical Academy , Belgrade , Serbia
| | - Aleksandra Kovacevic
- Centre for Clinical Pharmacology, Military Medical Academy Medical Faculty, University of Defence , Belgrade , Serbia
| | - Zoran Segrt
- Management of the Military Medical Academy, Military Medical Academy Medical Faculty, University of Defence , Belgrade , Serbia
| | - Natasa Djordjevic
- Department of Pharmacology and Toxicology, The Faculty of Medical Sciences, University of Kragujevac , Kragujevac , Serbia
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Tang JT, Andrews LM, van Gelder T, Shi YY, van Schaik RHN, Wang LL, Hesselink DA. Pharmacogenetic aspects of the use of tacrolimus in renal transplantation: recent developments and ethnic considerations. Expert Opin Drug Metab Toxicol 2016; 12:555-65. [PMID: 27010623 DOI: 10.1517/17425255.2016.1170808] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
INTRODUCTION Tacrolimus (Tac) is effective in preventing acute rejection but has considerable toxicity and inter-individual variability in pharmacokinetics and pharmacodynamics. Part of this is explained by polymorphisms in genes encoding Tac-metabolizing enzymes and transporters. A better understanding of Tac pharmacokinetics and pharmacodynamics may help to minimize different outcomes amongst transplant recipients by personalizing immunosuppression. AREAS COVERED The pharmacogenetic contribution of Tac metabolism will be examined, with a focus on recent discoveries, new developments and ethnic considerations. EXPERT OPINION The strongest and most consistent association in pharmacogenetics is between the CYP3A5 genotype and Tac dose requirement, with CYP3A5 expressers having a ~ 40-50% higher dose requirement compared to non-expressers. Two recent randomized-controlled clinical trials using CYP3A5 genotype, however, did not show a decrease in acute rejections nor reduced toxicity. CYP3A4*22, CYP3A4*26, and POR*28 are also associated with Tac dose requirements and may be included to provide the expected improvement of Tac therapy. Studies focusing on the intracellular drug concentrations and on calcineurin inhibitor-induced nephrotoxicity also seem promising. For all studies, however, the ethnic prevalence of genotypes should be taken into account, as this may significantly impact the effect of pre-emptive genotyping.
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Affiliation(s)
- J T Tang
- a Department of Laboratory Medicine , West China Hospital of Sichuan University , Chengdu , China.,b Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - L M Andrews
- b Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - T van Gelder
- b Department of Hospital Pharmacy , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands.,c Department of Internal Medicine, Division of Nephrology and Renal Transplantation , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - Y Y Shi
- d Department of Nephrology , West China Hospital of Sichuan University , Chengdu , China
| | - R H N van Schaik
- e Department of Clinical Chemistry , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
| | - L L Wang
- a Department of Laboratory Medicine , West China Hospital of Sichuan University , Chengdu , China
| | - D A Hesselink
- c Department of Internal Medicine, Division of Nephrology and Renal Transplantation , Erasmus MC, University Medical Center Rotterdam , Rotterdam , The Netherlands
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Pharmacogenetic Biomarkers Predictive of the Pharmacokinetics and Pharmacodynamics of Immunosuppressive Drugs. Ther Drug Monit 2016; 38 Suppl 1:S57-69. [DOI: 10.1097/ftd.0000000000000255] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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41
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Ouyang DS, Huang WH, Chen D, Zhang W, Tan ZR, Peng JB, Wang YC, Guo Y, Hu DL, Xiao J, Chen Y. Kinetics of cytochrome P450 enzymes for metabolism of sodium tanshinone IIA sulfonate in vitro. Chin Med 2016; 11:11. [PMID: 27006687 PMCID: PMC4802617 DOI: 10.1186/s13020-016-0083-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2014] [Accepted: 03/14/2016] [Indexed: 12/11/2022] Open
Abstract
Background Sodium tanshinone IIA sulfonate (STS) is a water-soluble derivative of tanshinone IIA for treating cardiovascular disorders. The roles of cytochrome P450 enzymes (CYPs) in the metabolism of STS have remained unclear. This study aims to screen the main CYPs for metabolism of STS and study their interactions in vitro. Methods Seven major CYPs were screened for metabolism of STS by human liver microsomes (HLMs) or recombinant CYP isoforms. Phenacetin (CYP1A2), coumarin (CYP2A6), tolbutamide (CYP2C9), metoprolol (CYP2D6), chlorzoxazone (CYP2E1), S-mephenytoin (CYP2C19), and midazolam (CYP3A4) were used as probe substrates to determine the potential of STS in affecting CYP-mediated phase I metabolism in humans. Enzyme kinetic studies were performed to investigate the modes of inhibition of the enzyme–substrate interactions by GraphPad Prism Enzyme Kinetic 5 Demo software. Results Sodium tanshinone IIA sulfonate inhibited the activity of CYP3A4 in a dose–dependent manner by the HLMs and CYP3A4 isoform. The Km and Vmax values of STS were 54.8 ± 14.6 µM and 0.9 ± 0.1 nmol/mg protein/min, respectively, for the HLMs and 7.5 ± 1.4 µM and 6.8 ± 0.3 nmol/nmol P450/min, respectively, for CYP3A4. CYP1A2, CYP2A6, CYP2C9, CYP2D6, CYP2E1, and CYP2C19 showed minimal or no effects on the metabolism of STS. Conclusion This in vitro study showed that STS mainly inhibited the activities of CYP3A4. Electronic supplementary material The online version of this article (doi:10.1186/s13020-016-0083-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Dong-Sheng Ouyang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China ; Institute of Clinical Pharmacology, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Wei-Hua Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Dan Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Wei Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Zhi-Rong Tan
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Jing-Bo Peng
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Yi-Cheng Wang
- Institute of Clinical Pharmacology, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Ying Guo
- Institute of Clinical Pharmacology, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Dong-Li Hu
- Institute of Clinical Pharmacology, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
| | - Jian Xiao
- Department of Pharmacy, Xiangya Hospital, Central South University, 87 Xiangya Road, Changsha, 410008 Hunan China
| | - Yao Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China ; Institute of Clinical Pharmacology, Central South University, 110 Xiangya Road, Changsha, 410078 Hunan China
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Chen D, Lin XX, Huang WH, Zhang W, Tan ZR, Peng JB, Wang YC, Guo Y, Hu DL, Chen Y. Sodium tanshinone IIA sulfonate and its interactions with human CYP450s. Xenobiotica 2016; 46:1085-1092. [PMID: 26932161 DOI: 10.3109/00498254.2016.1152417] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- D. Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - X.-X. Lin
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - W.-H. Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - W. Zhang
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - Z.-R. Tan
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - J.-B. Peng
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
| | - Y.-C. Wang
- Institute of Clinical Pharmacology, Central South University, Changsha, Hunan, China
| | - Y. Guo
- Institute of Clinical Pharmacology, Central South University, Changsha, Hunan, China
| | - D.-L. Hu
- Institute of Clinical Pharmacology, Central South University, Changsha, Hunan, China
| | - Y. Chen
- Department of Clinical Pharmacology, Xiangya Hospital, Central South University, Changsha, Hunan, China and
- Institute of Clinical Pharmacology, Central South University, Changsha, Hunan, China
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Vanhove T, Annaert P, Kuypers DRJ. Clinical determinants of calcineurin inhibitor disposition: a mechanistic review. Drug Metab Rev 2016; 48:88-112. [DOI: 10.3109/03602532.2016.1151037] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Wolking S, Schaeffeler E, Lerche H, Schwab M, Nies AT. Impact of Genetic Polymorphisms of ABCB1 (MDR1, P-Glycoprotein) on Drug Disposition and Potential Clinical Implications: Update of the Literature. Clin Pharmacokinet 2016; 54:709-35. [PMID: 25860377 DOI: 10.1007/s40262-015-0267-1] [Citation(s) in RCA: 171] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
ATP-binding cassette transporter B1 (ABCB1; P-glycoprotein; multidrug resistance protein 1) is an adenosine triphosphate (ATP)-dependent efflux transporter located in the plasma membrane of many different cell types. Numerous structurally unrelated compounds, including drugs and environmental toxins, have been identified as substrates. ABCB1 limits the absorption of xenobiotics from the gut lumen, protects sensitive tissues (e.g. the brain, fetus and testes) from xenobiotics and is involved in biliary and renal secretion of its substrates. In recent years, a large number of polymorphisms of the ABCB1 [ATP-binding cassette, sub-family B (MDR/TAP), member 1] gene have been described. The variants 1236C>T (rs1128503, p.G412G), 2677G>T/A (rs2032582, p.A893S/T) and 3435C>T (rs1045642, p.I1145I) occur at high allele frequencies and create a common haplotype; therefore, they have been most widely studied. This review provides an overview of clinical studies published between 2002 and March 2015. In summary, the effect of ABCB1 variation on P-glycoprotein expression (messenger RNA and protein expression) and/or activity in various tissues (e.g. the liver, gut and heart) appears to be small. Although polymorphisms and haplotypes of ABCB1 have been associated with alterations in drug disposition and drug response, including adverse events with various ABCB1 substrates in different ethnic populations, the results have been majorly conflicting, with limited clinical relevance. Future research activities are warranted, considering a deep-sequencing approach, as well as well-designed clinical studies with appropriate sample sizes to elucidate the impact of rare ABCB1 variants and their potential consequences for effect sizes.
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Affiliation(s)
- Stefan Wolking
- Department of Neurology and Epileptology, Hertie Institute for Clinical Brain Research, University of Tübingen, Hoppe-Seyler Strasse 3, 72076, Tübingen, Germany
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Aouam K, Kolsi A, Kerkeni E, Ben Fredj N, Chaabane A, Monastiri K, Boughattas N. Influence of combined CYP3A4 and CYP3A5 single-nucleotide polymorphisms on tacrolimus exposure in kidney transplant recipients: a study according to the post-transplant phase. Pharmacogenomics 2015; 16:2045-54. [PMID: 26615671 DOI: 10.2217/pgs.15.138] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
AIM The present study investigated in Tunisian renal transplant patients, genetic polymorphisms of CYP3A4 -392A>G and CYP3A5 6986A>G and their influence on tacrolimus (Tac) pharmacokinetics during early and late post-transplant (PT) phases and established customized ranges of Tac doses matching the C0 target levels according to CYP3A4 and CYP3A5 genotype combination and the PT phase. PATIENTS & METHODS We included adult Tunisian patients having received Tac for de novo kidney grafts and undergone a therapeutic drug monitoring of Tac by morning C0 monitoring during early (1 to 90 days) and late (over 90 days) PT phases. The genomic DNA was extracted from peripheral blood mononuclear cells using a salting-out procedure. CYP3A4 promoter (rs2740574; -392A>G) and CYP3A5 (rs776746; 6986A>G) SNP genotyping was analyzed using PCR-RFLP. RESULTS Fifty-two patients were enrolled in the study. During the early PT phase, the CYP3A5 polymorphism but not that of CYP3A4, correlates significantly with Tac dose-normalized C0 (C0/D ratio). During the late PT phase, the effect of CYP3A4 polymorphism becomes significant and that of CYP3A5 becomes nonsignificant on Tac C0/D Tac. The mean daily doses (mg/kg) matching therapeutic C0, regardless of the CYP3A genotypes, were 0.16 ± 0.05 and 0.10 ± 0.05 during early and late PT phase, respectively. Carriers of the CYP3A4*1B allele require higher doses to maintain the C0 in the therapeutic range during the two PT phases. However, patients carrying the CYP3A5*1 require significant higher Tac doses, only during the early phase. CONCLUSION Our data support a critical role of the CYP3A5 6986A>G and CYP3A4 -392A>G polymorphisms on the variation of Tac exposure during the early and the late PT phase, respectively. The establishment of customized Tac doses, according to CYP3A4/CYP3A5 genotype combination and the PT time, may allow preventing graft rejection and improving the safety profile of this drug. Further studies are needed to investigate this issue.
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Affiliation(s)
- Karim Aouam
- Laboratory of Pharmacology, Faculty of Medicine, University of Monastir, Tunisia
| | - Abdessalem Kolsi
- Laboratory of Pharmacology, Faculty of Medicine, University of Monastir, Tunisia
| | - Emna Kerkeni
- Laboratory of Genetics, Faculty of Medicine, University of Monastir, Tunisia
| | - Nadia Ben Fredj
- Laboratory of Pharmacology, Faculty of Medicine, University of Monastir, Tunisia
| | - Amel Chaabane
- Laboratory of Pharmacology, Faculty of Medicine, University of Monastir, Tunisia
| | - Kamel Monastiri
- Laboratory of Genetics, Faculty of Medicine, University of Monastir, Tunisia
| | - Naceur Boughattas
- Laboratory of Pharmacology, Faculty of Medicine, University of Monastir, Tunisia
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Gervasini G, García-Cerrada M, Vergara E, García-Pino G, Alvarado R, Fernández-Cavada MJ, Barroso S, Doblaré E, Cubero JJ. Polymorphisms in CYP-mediated arachidonic acid routes affect the outcome of renal transplantation. Eur J Clin Invest 2015. [PMID: 26214067 DOI: 10.1111/eci.12507] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
BACKGROUND Arachidonic acid (AA) is metabolized by cytochrome P450 (CYP) enzymes to vasoactive metabolites (mainly epoxyeicosatrienoic acids) which are known to play a protective role against damaging processes that may occur after re-oxygenation of the graft. We aimed to investigate whether the presence of functional polymorphisms along these metabolic routes may play a role in the outcome of renal transplantation. DESIGN One-hundred and forty Caucasian renal transplant recipients and 137 donors were included. We determined the presence of seven common functional polymorphisms in the five genes governing the CYP-mediated AA metabolic pathway (CYP2C8, CYP2C9, CYP2J2, CYP4A11 and CYP4F2). Associations with parameters and events related to graft function and survival were retrospectively investigated throughout the first year after grafting. RESULTS The CYP2J2*7 allele of the donor was significantly associated with higher risk for delayed graft function [OR = 4·40 (1·45-13·37), P < 0·01] and lower death-censored graft survival [107·90 (84·19-131·62) vs. 176·89 (166·47-187·32) months for CYP2J2*1/*1 grafts; log-rank P = 0·015]. In addition, patients whose donors carried the CYP4A11 434S variant of the F434S polymorphism displayed impaired creatinine clearance, with statistically significant differences vs. 434FF subjects throughout the whole period of study (P < 0·05, P < 0·01, P < 0·001 and P < 0·05 for 1 week, 1 month, 5 months and 1 year after grafting, respectively). CONCLUSIONS Taken together, these results indicate that variability in the CYP450 genes involved in the synthesis of eicosanoids from AA may have a significant impact on graft function and survival in renal transplantation.
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Affiliation(s)
- Guillermo Gervasini
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
| | - Montserrat García-Cerrada
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
| | - Esther Vergara
- Service of Immunology, Infanta Cristina University Hospital, Badajoz, Spain
| | | | - Raul Alvarado
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
| | | | - Sergio Barroso
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
| | - Emilio Doblaré
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
| | - Juan José Cubero
- Service of Immunology, Infanta Cristina University Hospital, Badajoz, Spain
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Sikma MA, van Maarseveen EM, van de Graaf EA, Kirkels JH, Verhaar MC, Donker DW, Kesecioglu J, Meulenbelt J. Pharmacokinetics and Toxicity of Tacrolimus Early After Heart and Lung Transplantation. Am J Transplant 2015; 15:2301-13. [PMID: 26053114 DOI: 10.1111/ajt.13309] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Revised: 02/16/2015] [Accepted: 03/08/2015] [Indexed: 01/25/2023]
Abstract
Annually, about 8000 heart and lung transplantations are successfully performed worldwide. However, morbidity and mortality still pose a major concern. Renal failure in heart and lung transplant recipients is an essential adverse cause of morbidity and mortality, often originating in the early postoperative phase. At this time of clinical instability, the kidneys are exposed to numerous nephrotoxic stimuli. Among these, tacrolimus toxicity plays an important role, and its pharmacokinetics may be significantly altered in this critical phase by fluctuating drug absorption, changed protein metabolism, anemia and (multi-) organ failure. Limited understanding of tacrolimus pharmacokinetics in these circumstances is hampering daily practice. Tacrolimus dose adjustments are generally based on whole blood trough levels, which widely vary early after transplantation. Moreover, whole blood trough levels are difficult to predict and are poorly related to the area under the concentration-time curve. Even within the therapeutic range, toxicity may occur. These shortcomings of tacrolimus monitoring may not hold for the unbound tacrolimus plasma concentrations, which may better reflect tacrolimus toxicity. This review focuses on posttransplant tacrolimus pharmacokinetics, discusses relevant factors influencing the unbound tacrolimus concentrations and tacrolimus (nephro-) toxicity in heart and lung transplantation patients.
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Affiliation(s)
- M A Sikma
- Department of Intensive Care Medicine and National Poisons Information Center, University Medical Center of Utrecht, the Netherlands
| | - E M van Maarseveen
- Department of Clinical Pharmacy, University Medical Center of Utrecht, the Netherlands
| | - E A van de Graaf
- Department of Lung Transplantation, University Medical Center of Utrecht, the Netherlands
| | - J H Kirkels
- Department of Heart Transplantation, University Medical Center of Utrecht, the Netherlands
| | - M C Verhaar
- Department of Nephrology and Hypertension, University Medical Center of Utrecht, the Netherlands
| | - D W Donker
- Department of Intensive Care Medicine, University Medical Center of Utrecht, the Netherlands
| | - J Kesecioglu
- Department of Intensive Care Medicine, University Medical Center of Utrecht, the Netherlands
| | - J Meulenbelt
- Department of Intensive Care Medicine, National Poisons Information Center, Institute for Risk Assessment Sciences, University of Utrecht, the Netherlands
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Gervasini G, García-Cerrada M, Coto E, Vergara E, García-Pino G, Alvarado R, Fernández-Cavada MJ, Suárez-Álvarez B, Barroso S, Doblaré E, Díaz-Corte C, López-Larrea C, Cubero JJ. A 3'-UTR Polymorphism in Soluble Epoxide Hydrolase Gene Is Associated with Acute Rejection in Renal Transplant Recipients. PLoS One 2015; 10:e0133563. [PMID: 26230946 PMCID: PMC4521874 DOI: 10.1371/journal.pone.0133563] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Accepted: 06/27/2015] [Indexed: 01/21/2023] Open
Abstract
Background and Purpose Epoxyeicosatrienoic acids (EETs) are arachidonic acid metabolites that play a protective role against damaging processes that may occur after re-oxygenation of the graft. We aimed to investigate whether the presence of functional polymorphisms in the gene encoding soluble epoxy hydrolase (EPHX2), which metabolizes EETs to less active compounds, may play a role in the outcome of renal transplantation. Methods In a group of 259 Caucasian renal transplant recipients and 183 deceased donors, we determined the presence of three common EPHX2 SNPs, namely rs41507953 (K55R), rs751141 (R287Q) and rs1042032 A/G. Associations with parameters of graft function and the incidence of acute rejection were retrospectively investigated throughout the first year after grafting by logistic regression adjusting for clinical and demographic variables. Results Carriers of the rs1042032 GG genotype displayed significantly lower estimated glomerular filtration rate (eGFR) (38.15 ± 15.57 vs. 45.99 ± 16.05; p = 0.04) and higher serum creatinine values (1.57 ± 0.58 vs. 1.30 ± 0.47 g/dL; p=0.02) one year after grafting, compared to patients carrying the wildtype A-allele. The same GG genotype was also associated to increased risk of acute rejection. Interestingly, this association was observed for the genotype of both recipients [OR =6.34 (1.35-29.90); p = 0.015] and donors [OR = 5.53 (1.10-27.80); p=0.042]. A statistical model including both genotypes along with other meaningful demographic and clinical variables resulted in an increased significance for the association with the recipients’ genotype [OR=8.28 (1.21-74.27); p=0.031]. Conclusions Our results suggest that genetic variability in the EETs-metabolizing gene, EPHX2, may have a significant impact on the outcome of deceased-donor renal transplantation.
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Affiliation(s)
- Guillermo Gervasini
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
- * E-mail:
| | - Montserrat García-Cerrada
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
| | - Eliecer Coto
- Molecular Genetics, Laboratory of Medicine, Hospital Universitario Central de Asturias (HUCA), Oviedo, Spain
- Red de Investigación Renal, Instituto Salud Carlos III, Madrid, Spain
| | - Esther Vergara
- Service of Immunology, Infanta Cristina University Hospital, Badajoz, Spain
| | | | - Raul Alvarado
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
| | | | - Beatriz Suárez-Álvarez
- Laboratory of Molecular Biology of Renal Disease, Health Research Institute F. Jimenez-Diaz, Universidad Autónoma, Madrid, Spain
| | - Sergio Barroso
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
| | - Emilio Doblaré
- Service of Immunology, Infanta Cristina University Hospital, Badajoz, Spain
| | - Carmen Díaz-Corte
- Service of Nephrology, HUCA, Oviedo, Spain
- Red de Investigación Renal, Instituto Salud Carlos III, Madrid, Spain
| | - Carlos López-Larrea
- Service of Immunology, HUCA, Oviedo, Spain
- Red de Investigación Renal, Instituto Salud Carlos III, Madrid, Spain
| | - Juan Jose Cubero
- Service of Nephrology, Infanta Cristina University Hospital, Badajoz, Spain
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Shi WL, Tang HL, Zhai SD. Effects of the CYP3A4*1B Genetic Polymorphism on the Pharmacokinetics of Tacrolimus in Adult Renal Transplant Recipients: A Meta-Analysis. PLoS One 2015; 10:e0127995. [PMID: 26039043 PMCID: PMC4454552 DOI: 10.1371/journal.pone.0127995] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 04/21/2015] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND AND OBJECTIVE The association between the CYP3A4*1B single nucleotide polymorphism (SNP) and tacrolimus pharmacokinetics in different studies is controversial. Therefore, a meta-analysis was employed to evaluate the correlation between the CYP3A4*1B genetic polymorphism and tacrolimus pharmacokinetics at different post-transplantation times in adult renal transplant recipients. METHODS Studies evaluating the CYP3A4*1B genetic polymorphism and tacrolimus pharmacokinetics were retrieved through a systematical search of Embase, PubMed, the Cochrane Library, ClinicalTrials.gov and three Chinese literature databases (up to Sept. 2014). The pharmacokinetic parameters (weight-adjusted tacrolimus daily dose and tacrolimus trough concentration/weight-adjusted tacrolimus daily dose ratio) were extracted, and the meta-analysis was performed using Stata 12.1. RESULTS Seven studies (involving 1182 adult renal transplant recipients) were included in this meta-analysis. For the weight-adjusted tacrolimus daily dose, in all included renal transplant recipients (European & Indian populations), CYP3A4*1/*1 recipients required a significantly lower weight-adjusted tacrolimus daily dose than did CYP3A4*1B carriers at 7 days (WMD -0.048; 95% CI -0.083 ~ -0.014), 6 months (WMD -0.058; 95% CI -0.081 ~ -0.036) and 12 months (WMD - 0.061; 95% CI -0.096 ~ -0.027) post-transplantation. In light of the heterogeneity, the analysis was repeated after removing the only study in an Indian population, and CYP3A4*1/*1 European recipients (mostly Caucasian) required a lower weight-adjusted tacrolimus daily dose within the first year post-transplantation. The tacrolimus trough concentration/weight-adjusted tacrolimus daily dose ratio (C0/Dose ratio) was significantly higher in CYP3A4*1/*1 recipients than in CYP3A4*1B carriers at 6 months (WMD 52.588; 95% CI 22.387 ~ 82.789) and 12 months (WMD 62.219; 95% CI 14.218 ~ 110.221) post-transplantation. When the only study in an Indian population was removed to examine European recipients (mostly Caucasian), the significant difference persisted at 1 month, 6 months and 12 months post-transplantation. CONCLUSION Based on our meta-analysis, the CYP3A4*1B genetic polymorphism affects tacrolimus dose requirements and tacrolimus trough concentration/weight-adjusted tacrolimus daily dose ratio within the first year post-transplantation in adult renal transplant recipients, especially in European recipients (mostly Caucasian).
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Affiliation(s)
- Wei-Long Shi
- Department of Pharmacy, Peking University Third Hospital, Beijing, China
| | - Hui-Lin Tang
- Department of Pharmacy, Peking University Third Hospital, Beijing, China
| | - Suo-Di Zhai
- Department of Pharmacy, Peking University Third Hospital, Beijing, China
- * E-mail:
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50
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Cusinato DAC, Lacchini R, Romao EA, Moysés-Neto M, Coelho EB. Relationship of CYP3A5 genotype and ABCB1 diplotype to tacrolimus disposition in Brazilian kidney transplant patients. Br J Clin Pharmacol 2015; 78:364-72. [PMID: 24528196 DOI: 10.1111/bcp.12345] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2013] [Accepted: 01/24/2014] [Indexed: 01/19/2023] Open
Abstract
AIMS Tacrolimus (TAC) is one of the most successful immunosuppressive drugs in transplantation. Its pharmacokinetics (PK) and pharmacogenetics (PG) have been extensively studied, with many studies showing the influence of CYP3A5 on TAC metabolism and bioavailability. However, data concerning the functional significance of ABCB1 polymorphisms are uncertain due to inconsistent results. We evaluated the association between ABCB1 diplotypes, CYP3A5 polymorphisms and TAC disposition in a cohort of Brazilian transplant recipients. METHODS Individuals were genotyped for the CYP3A5*3 allele and ABCB1 polymorphisms (2677G>A/T, 1236C>T, 3435C/T) using a TaqMan® PCR technique. Diplotypes were analyzed for correlation with the TAC dose-normalized ratio (Co : dose). RESULTS We genotyped 108 Brazilian kidney recipients for CYP3A5 (11% CYP3A5*1/*1; 31% CYP3A5*1/*3 and 58% CYP3A5*3/*3) and ABCB1 haplotypes (42% CGC/CGC; 41% GCG/TTT and 17% TTT/TTT). Homozygous subjects for the CYP3A5*3 allele or carriers of the ABCB1 TTT/TTT diplotype showed a higher Co : dose ratio compared with wild type subjects [median (interquartile range) 130.2 (97.5-175.4) vs. 71.3 (45.6-109.0), P < 0.0001 and 151.8 (112.1-205.6) vs. 109.6 (58.1-132.9), P = 0.01, respectively]. When stratified for the CYP3A5*3 group, ABCB1 TTT/TTT individuals showed a higher Co : dose ratio compared with non-TTT/TTT individuals [167.8 (130.4-218.0) vs. 119.4 (100.2-166.3), P = 0.04]. Multivariate linear regression analysis showed that the effects of CYP3A5 polymorphisms and ABCB1 diplotypes remained significant after correction for confounding factors. CONCLUSIONS CYP3A5 is the major enzyme responsible for the marked interindividual variability in TAC PK, but it cannot be considered alone when predicting dose adjustment because ABCB1 diplotypes also affect TAC disposition, showing independent and additive effects on the TAC dose-normalized concentration.
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Affiliation(s)
- Diego Alberto C Cusinato
- Department of Pharmacology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Av. Bandeirantes, 3900, 14049-900, Ribeirão Preto, São Paulo, Brazil
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