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Bertrand J, Barrail-Tran A, Fayette L, Savic R, Goujard C, Teicher E, Barau C, Pruvost A, Taburet AM, Mentré F, Verstuyft C. Pharmacokinetic Model of Tenofovir and Emtricitabine and Their Intracellular Metabolites in Patients in the ANRS 134-COPHAR 3 Trial Using Dose Records. Antimicrob Agents Chemother 2023; 67:e0233918. [PMID: 37098914 PMCID: PMC10190280 DOI: 10.1128/aac.02339-18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 03/22/2023] [Indexed: 04/27/2023] Open
Abstract
Tenofovir (TFV) and emtricitabine (FTC) are part of the recommended highly active antiretroviral therapy (ART). Both molecules show a large interindividual pharmacokinetic (PK) variability. Here, we modeled the concentrations of plasma TFV and FTC and their intracellular metabolites (TFV diphosphate [TFV-DP] and FTC triphosphate [FTC-TP]) collected after 4 and 24 weeks of treatment in 34 patients from the ANRS 134-COPHAR 3 trial. These patients received daily (QD) atazanavir (300 mg), ritonavir (100 mg), and a fixed-dose combination of coformulated TFV disoproxil fumarate (300 mg) and FTC (200 mg). Dosing history was collected using a medication event monitoring system. A three-compartment model with absorption delay (Tlag) was selected to describe the PK of, respectively, TFV/TFV-DP and FTC/FTC-TP. TFV and FTC apparent clearances, 114 L/h (relative standard error [RSE] = 8%) and 18.1 L/h (RSE = 5%), respectively, were found to decrease with age. However, no significant association was found with the polymorphisms ABCC2 rs717620, ABCC4 rs1751034, and ABCB1 rs1045642. The model allows prediction of TFV-DP and FTC-TP concentrations at steady state with alternative regimens.
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Affiliation(s)
- Julie Bertrand
- UMR 1137, IAME, INSERM, Université Paris Cité, Paris, France
| | - Aurélie Barrail-Tran
- AP-HP, Hôpital Bicêtre, Pharmacie Clinique, Le Kremlin-Bicêtre, France
- UMR 1184, Center for Immunology of Viral Infections and Autoimmune Diseases, INSERM, Université Paris Sud, Paris, France
| | - Lucie Fayette
- UMR 1137, IAME, INSERM, Université Paris Cité, Paris, France
| | - Rada Savic
- Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California, USA
| | - Cécile Goujard
- AP-HP, Hôpital Bicêtre, Service de médecine interne et d’immunologie clinique, Le Kremlin-Bicêtre, France
- CESP, Team Epidémiologie Clinique, INSERM UMR 1018, Faculté de Médecine, Univ Paris-Saclay, Le Kremlin Bicêtre, France
| | - Elina Teicher
- AP-HP, Hôpital Bicêtre, Service de médecine interne et d’immunologie clinique, Le Kremlin-Bicêtre, France
| | - Caroline Barau
- AP-HP, Hôpital Henri Mondor, Plateforme de Ressources Biologiques, Créteil, France
| | - Alain Pruvost
- Département Médicaments et Technologies pour la Santé, SPI, CEA, INRAE, Université Paris Saclay, Paris, France
| | - Anne-Marie Taburet
- AP-HP, Hôpital Bicêtre, Pharmacie Clinique, Le Kremlin-Bicêtre, France
- UMR 1184, Center for Immunology of Viral Infections and Autoimmune Diseases, INSERM, Université Paris Sud, Paris, France
| | - France Mentré
- UMR 1137, IAME, INSERM, Université Paris Cité, Paris, France
| | - Céline Verstuyft
- CESP, Team Epidémiologie Clinique, INSERM UMR 1018, Faculté de Médecine, Univ Paris-Saclay, Le Kremlin Bicêtre, France
- AP-HP, Hôpital Bicêtre, Service de génétique moléculaire et pharmacogénétique, Le Kremlin-Bicêtre, France
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Gurjar R, Dickinson L, Carr D, Stöhr W, Bonora S, Owen A, D'Avolio A, Cursley A, De Castro N, Fätkenheuer G, Vandekerckhove L, Di Perri G, Pozniak A, Schwimmer C, Raffi F, Boffito M. Influence of UGT1A1 and SLC22A6 polymorphisms on the population pharmacokinetics and pharmacodynamics of raltegravir in HIV-infected adults: a NEAT001/ANRS143 sub-study. THE PHARMACOGENOMICS JOURNAL 2023; 23:14-20. [PMID: 36266537 PMCID: PMC9584256 DOI: 10.1038/s41397-022-00293-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 09/13/2022] [Accepted: 09/29/2022] [Indexed: 11/04/2022]
Abstract
Using concentration-time data from the NEAT001/ARNS143 study (single sample at week 4 and 24), we determined raltegravir pharmacokinetic parameters using nonlinear mixed effects modelling (NONMEM v.7.3; 602 samples from 349 patients) and investigated the influence of demographics and SNPs (SLC22A6 and UGT1A1) on raltegravir pharmacokinetics and pharmacodynamics. Demographics and SNPs did not influence raltegravir pharmacokinetics and no significant pharmacokinetic/pharmacodynamic relationships were observed. At week 96, UGT1A1*28/*28 was associated with lower virological failure (p = 0.012), even after adjusting for baseline CD4 count (p = 0.048), but not when adjusted for baseline HIV-1 viral load (p = 0.082) or both (p = 0.089). This is the first study to our knowledge to assess the influence of SNPs on raltegravir pharmacodynamics. The lack of a pharmacokinetic/pharmacodynamic relationship is potentially an artefact of raltegravir's characteristic high inter and intra-patient variability and also suggesting single time point sampling schedules are inadequate to thoroughly assess the influence of SNPs on raltegravir pharmacokinetics.
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Affiliation(s)
- Rohan Gurjar
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, UK
| | - Laura Dickinson
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, UK.
| | - Daniel Carr
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, UK
| | | | - Stefano Bonora
- Unit of Infectious Diseases, University of Turin, Turin, Italy
| | - Andrew Owen
- Department of Pharmacology & Therapeutics, University of Liverpool, Liverpool, UK
| | | | | | - Nathalie De Castro
- Infectious Diseases Department, AP-HP Hôpital Saint-Louis, Paris, France
| | | | - Linos Vandekerckhove
- HIV Translational Research Unit, Ghent University and Ghent University Hospital, Ghent, Belgium
| | | | | | - Christine Schwimmer
- University of Bordeaux, INSERM, Bordeaux Population Health Research Center, UMR 1219, Bordeaux, France
| | - François Raffi
- Department of Infectious Diseases, Centre Hospitalier Universitaire de Nantes, and CIC 1413, INSERM, Nantes, France
| | - Marta Boffito
- Chelsea and Westminster NHS Trust, London, UK.,Imperial College, London, UK
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De Francesco D, Wang X, Dickinson L, Underwood J, Bagkeris E, Babalis DS, Mallon PWG, Post FA, Vera JH, Sachikonye M, Williams I, Khoo S, Sabin CA, Winston A, Boffito M. Associations between plasma nucleoside reverse transcriptase inhibitors concentrations and cognitive function in people with HIV. PLoS One 2021; 16:e0253861. [PMID: 34288920 PMCID: PMC8294567 DOI: 10.1371/journal.pone.0253861] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 06/15/2021] [Indexed: 12/12/2022] Open
Abstract
Objectives To investigate the associations of plasma lamivudine (3TC), abacavir (ABC), emtricitabine (FTC) and tenofovir (TFV) concentrations with cognitive function in a cohort of treated people with HIV (PWH). Methods Pharmacokinetics (PK) and cognitive function (Cogstate, six domains) data were obtained from PWH recruited in the POPPY study on either 3TC/ABC or FTC/tenofovir disoproxil fumarate (TDF)-containing regimens. Association between PK parameters (AUC0-24: area under the concentration-time curve over 24 hours, Cmax: maximum concentration and Ctrough: trough concentration) and cognitive scores (standardized into z-scores) were evaluated using rank regression adjusting for potential confounders. Results Median (IQR) global cognitive z-scores in the 83 PWH on 3TC/ABC and 471 PWH on FTC/TDF were 0.14 (-0.27, 0.38) and 0.09 (-0.28, 0.42), respectively. Higher 3TC AUC0-24 and Ctrough were associated with better global z-scores [rho = 0.29 (p = 0.02) and 0.27 (p = 0.04), respectively], whereas higher 3TC Cmax was associated with poorer z-scores [rho = -0.31 (p<0.01)], independently of ABC concentrations. Associations of ABC PK parameters with global and domain z-scores were non-significant after adjustment for confounders and 3TC concentrations (all p’s>0.05). None of the FTC and TFV PK parameters were associated with global or domain cognitive scores. Conclusions Whilst we found no evidence of either detrimental or beneficial effects of ABC, FTC and TFV plasma exposure on cognitive function of PWH, higher plasma 3TC exposures were generally associated with better cognitive performance although higher peak concentrations were associated with poorer performance.
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Affiliation(s)
- Davide De Francesco
- Institute for Global Health, University College London, London, United Kingdom
- * E-mail:
| | - Xinzhu Wang
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Laura Dickinson
- Department of Molecular & Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Jonathan Underwood
- Department of Infectious Disease, Imperial College London, London, United Kingdom
- Division of Infection and Immunity, University of Cardiff, Cardiff, United Kingdom
| | - Emmanouil Bagkeris
- Institute for Global Health, University College London, London, United Kingdom
| | - Daphne S. Babalis
- Imperial Clinical Trials Unit, Imperial College London, London, United Kingdom
| | - Patrick W. G. Mallon
- Infectious Disease Epidemiology, University College Dublin School of Medicine, Dublin, Ireland
| | - Frank A. Post
- King’s College Hospital NHS Foundation Trust, London, United Kingdom
| | - Jaime H. Vera
- Department of Global Health and Infection, Brighton and Sussex Medical School, Brighton, United Kingdom
| | | | - Ian Williams
- Institute for Global Health, University College London, London, United Kingdom
| | - Saye Khoo
- Department of Molecular & Clinical Pharmacology, University of Liverpool, Liverpool, United Kingdom
| | - Caroline A. Sabin
- Institute for Global Health, University College London, London, United Kingdom
| | - Alan Winston
- Department of Infectious Disease, Imperial College London, London, United Kingdom
| | - Marta Boffito
- Department of Infectious Disease, Imperial College London, London, United Kingdom
- Chelsea and Westminster Healthcare NHS Foundation Trust, London, United Kingdom
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Bruckmueller H, Cascorbi I. ABCB1, ABCG2, ABCC1, ABCC2, and ABCC3 drug transporter polymorphisms and their impact on drug bioavailability: what is our current understanding? Expert Opin Drug Metab Toxicol 2021; 17:369-396. [PMID: 33459081 DOI: 10.1080/17425255.2021.1876661] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Interindividual differences in drug response are a frequent clinical challenge partly due to variation in pharmacokinetics. ATP-binding cassette (ABC) transporters are crucial determinants of drug disposition. They are subject of gene regulation and drug-interaction; however, it is still under debate to which extend genetic variants in these transporters contribute to interindividual variability of a wide range of drugs. AREAS COVERED This review discusses the current literature on the impact of genetic variants in ABCB1, ABCG2 as well as ABCC1, ABCC2, and ABCC3 on pharmacokinetics and drug response. The aim was to evaluate if results from recent studies would increase the evidence for potential clinically relevant pharmacogenetic effects. EXPERT OPINION Although enormous efforts have been made to investigate effects of ABC transporter genotypes on drug pharmacokinetics and response, the majority of studies showed only weak if any associations. Despite few unique results, studies mostly failed to confirm earlier findings or still remained inconsistent. The impact of genetic variants on drug bioavailability is only minor and other factors regulating the transporter expression and function seem to be more critical. In our opinion, the findings on the so far investigated genetic variants in ABC efflux transporters are not suitable as predictive biomarkers.
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Affiliation(s)
- Henrike Bruckmueller
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
| | - Ingolf Cascorbi
- Institute of Experimental and Clinical Pharmacology, University Hospital Schleswig-Holstein, Campus Kiel, 24105 Kiel, Germany
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Cojutti PG, Londero A, Della Siega P, Givone F, Fabris M, Biasizzo J, Tascini C, Pea F. Comparative Population Pharmacokinetics of Darunavir in SARS-CoV-2 Patients vs. HIV Patients: The Role of Interleukin-6. Clin Pharmacokinet 2020; 59:1251-1260. [PMID: 32856282 PMCID: PMC7453069 DOI: 10.1007/s40262-020-00933-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Background Darunavir is an anti-HIV protease inhibitor repurposed for SARS-CoV-2 treatment. Objective The aim of this study was to assess the population pharmacokinetics of darunavir in SARS-CoV-2 patients compared with HIV patients. Methods Two separate models were created by means of a nonlinear mixed-effect approach. The influence of clinical covariates on each basic model was tested and the association of significant covariates with darunavir parameters was assessed at multivariate regression and classification and regression tree (CART) analyses. Monte Carlo simulation assessed the influence of covariates on the darunavir concentration versus time profile. Results A one-compartment model well-described darunavir concentrations in both groups. In SARS-CoV-2 patients (n = 30), interleukin (IL)-6 and body surface area were covariates associated with darunavir oral clearance (CL/F) and volume of distribution (Vd), respectively; no covariates were identified in HIV patients (n = 25). Darunavir CL/F was significantly lower in SARS-CoV-2 patients compared with HIV patients (4.1 vs. 10.3 L/h; p < 0.001). CART analysis found that an IL-6 level of 18 pg/mL may split the SARS-CoV-2 population in patients with low versus high darunavir CL/F (mean ± standard deviation 3.47 ± 1.90 vs. 8.03 ± 3.24 L/h; proportion of reduction in error = 0.46). Median (interquartile range) darunavir CL/F was significantly lower in SARS-CoV-2 patients with IL-6 levels ≥ 18 pg/mL than in SARS-CoV-2 patients with IL-6 levels < 18 pg/mL or HIV patients (2.78 [2.16–4.47] vs. 7.24 [5.88–10.38] vs. 9.75 [8.45–13.79] L/h, respectively; p < 0.0001). Increasing IL-6 levels affected darunavir concentration versus time simulated profiles. We hypothesized that increases in IL-6 levels associated with severe SARS-CoV-2 disease may downregulate the cytochrome P450 (CYP) 3A4-mediated metabolism of darunavir. Conclusions This is a proof-of-concept of SARS-CoV-2 disease–drug interactions, and may support the need for optimal dose selection of sensitive CYP3A4 substrates in severe SARS-CoV-2 patients. Electronic supplementary material The online version of this article (10.1007/s40262-020-00933-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Pier Giorgio Cojutti
- Department of Medicine, University of Udine, Udine, Italy.,Institute of Clinical Pharmacology, Santa Maria della Misericordia University Hospital of Udine, ASUFC, P.le S. Maria della Misericordia 3, 33100, Udine, Italy
| | - Angela Londero
- Clinic of Infectious Diseases, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Paola Della Siega
- Clinic of Infectious Diseases, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Filippo Givone
- Clinic of Infectious Diseases, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Martina Fabris
- Institute of Clinical Pathology, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Jessica Biasizzo
- Institute of Clinical Pathology, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Carlo Tascini
- Clinic of Infectious Diseases, Santa Maria della Misericordia University Hospital of Udine, ASUFC, Udine, Italy
| | - Federico Pea
- Department of Medicine, University of Udine, Udine, Italy. .,Institute of Clinical Pharmacology, Santa Maria della Misericordia University Hospital of Udine, ASUFC, P.le S. Maria della Misericordia 3, 33100, Udine, Italy.
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Exploration of Reduced Doses and Short-Cycle Therapy for Darunavir/Cobicistat in Patients with HIV Using Population Pharmacokinetic Modeling and Simulations. Clin Pharmacokinet 2020; 60:177-189. [PMID: 32696441 PMCID: PMC7862523 DOI: 10.1007/s40262-020-00920-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND AND OBJECTIVES Protease inhibitors such as darunavir are an important therapeutic option in the anti-human immunodeficiency virus arsenal. Current dosage guidelines recommend using cobicistat- or ritonavir-boosted darunavir 800 mg every 24 h (q24h) in protease inhibitor-naïve patients, or ritonavir-boosted darunavir 600 mg q12h in experienced patients. However, darunavir displays a large, poorly characterized, inter-individual pharmacokinetic variability. The objectives of this study were to investigate the pharmacokinetics of darunavir and to elucidate the sources of its inter-individual variability using population pharmacokinetic modeling. Then, to determine the appropriateness of current treatment guidelines and the feasibility of alternative dosing regimens in a representative cohort of adult patients using simulations. METHODS Sparse pharmacokinetic samples were collected in 127 patients with human immunodeficiency virus type 1 infection, then supplemented with rich sampling data from a subset of 12 individuals. Data were analyzed using the nonlinear mixed-effects modeling software NONMEM. The effect of reduced doses (600 mg q24h and 400 mg q24h) or reduced frequency of administration (800 mg q24h for 5 days followed by 2 days of treatment interruption) was simulated. RESULTS Our model adequately described the pharmacokinetics of darunavir. Predictors of individual exposure were CYP3A5*3 and SLCO3A1 rs8027174 genotypes, sex, and alpha-1 acid glycoprotein level. No relationship was apparent between darunavir area under the curve and treatment efficacy or safety. For reduced dose regimens, darunavir concentrations remained above the protein binding-corrected EC50 in the majority of subjects. More stringent pharmacokinetic targets were not reached in a significant proportion of patients. CONCLUSIONS These results add to the growing body of evidence that darunavir-based therapy could be simplified to reduce costs and toxicity, as well as to improve patient compliance. However, the heterogeneity in pharmacokinetic response should be considered when assessing whether individual patients could benefit from a particular regimen, for instance through the use of population pharmacokinetic models. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT03101644, date of registration: 5 April, 2017.
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