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Adiwidjaja J, Spires J, Brouwer KLR. Physiologically Based Pharmacokinetic (PBPK) Model Predictions of Disease Mediated Changes in Drug Disposition in Patients with Nonalcoholic Fatty Liver Disease (NAFLD). Pharm Res 2024; 41:441-462. [PMID: 38351228 DOI: 10.1007/s11095-024-03664-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Accepted: 01/18/2024] [Indexed: 03/13/2024]
Abstract
PURPOSE This study was designed to verify a virtual population representing patients with nonalcoholic fatty liver disease (NAFLD) to support the implementation of a physiologically based pharmacokinetic (PBPK) modeling approach for prediction of disease-related changes in drug pharmacokinetics. METHODS A virtual NAFLD patient population was developed in GastroPlus (v.9.8.2) by accounting for pathophysiological changes associated with the disease and proteomics-informed alterations in the abundance of metabolizing enzymes and transporters pertinent to drug disposition. The NAFLD population model was verified using exemplar drugs where elimination is influenced predominantly by cytochrome P450 (CYP) enzymes (chlorzoxazone, caffeine, midazolam, pioglitazone) or by transporters (rosuvastatin, 11C-metformin, morphine and the glucuronide metabolite of morphine). RESULTS PBPK model predictions of plasma concentrations of all the selected drugs and hepatic radioactivity levels of 11C-metformin were consistent with the clinically-observed data. Importantly, the PBPK simulations using the virtual NAFLD population model provided reliable estimates of the extent of changes in key pharmacokinetic parameters for the exemplar drugs, with mean predicted ratios (NAFLD patients divided by healthy individuals) within 0.80- to 1.25-fold of the clinically-reported values, except for midazolam (prediction-fold difference of 0.72). CONCLUSION A virtual NAFLD population model within the PBPK framework was successfully developed with good predictive capability of estimating disease-related changes in drug pharmacokinetics. This supports the use of a PBPK modeling approach for prediction of the pharmacokinetics of new investigational or repurposed drugs in patients with NAFLD and may help inform dose adjustments for drugs commonly used to treat comorbidities in this patient population.
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Affiliation(s)
- Jeffry Adiwidjaja
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA
- Simulations Plus, Inc, Lancaster, CA, USA
| | | | - Kim L R Brouwer
- Division of Pharmacotherapy and Experimental Therapeutics, UNC Eshelman School of Pharmacy, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
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Guo Y, Yang L, Qin X, Li Z. A strategy for deciphering the bioactive metabolites of Farfarae Flos by the inter-individual variability of the antitussive effect. J Pharm Biomed Anal 2024; 238:115856. [PMID: 37976986 DOI: 10.1016/j.jpba.2023.115856] [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: 08/14/2023] [Revised: 11/01/2023] [Accepted: 11/07/2023] [Indexed: 11/19/2023]
Abstract
Farfarae Flos is a commonly used traditional herb for the treatment of respiratory disorders. In this study, ultra-high-performance liquid chromatography coupled with time-of-flight mass spectrometry combined with the mass defect filter method was used for the qualitative analysis of Farfarae Flos metabolites in the lung tissues. Then a method for the simultaneous determination of 14 Farfarae Flos metabolites was developed and validated in terms of specificity, linearity, precision and accuracy, matrix effect and recovery. The method was applied to compare the lung tissue of Farfarae Flos treated mice, and 10 caffeoylquinic acid metabolites were higher in the mice with better antitussive effect. Further network pharmacology analysis and molecular docking results showed that these metabolites played an important role in the antitussive effect of Farfarae Flos. This study presented a novel strategy for deciphering the active compounds of herbal medicine by inter-individual variability of bioactivities.
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Affiliation(s)
- Yaxuan Guo
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China; Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Linjiao Yang
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China; Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Xuemei Qin
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China; Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan 030006, China
| | - Zhenyu Li
- Modern Research Center for Traditional Chinese Medicine, Shanxi University, Taiyuan 030006, China; Key Laboratory of Chemical Biology and Molecular Engineering of Ministry of Education, Shanxi University, Taiyuan 030006, China.
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Sugiyama Y, Aoki Y. A 20-Year Research Overview: Quantitative Prediction of Hepatic Clearance Using the In Vitro-In Vivo Extrapolation Approach Based on Physiologically Based Pharmacokinetic Modeling and Extended Clearance Concept. Drug Metab Dispos 2023; 51:1067-1076. [PMID: 37407092 DOI: 10.1124/dmd.123.001344] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 06/20/2023] [Accepted: 06/27/2023] [Indexed: 07/07/2023] Open
Abstract
Understanding the extended clearance concept and establishing a physiologically based pharmacokinetic (PBPK) model are crucial for investigating the impact of changes in transporter and metabolizing enzyme abundance/functions on drug pharmacokinetics in blood and tissues. This mini-review provides an overview of the extended clearance concept and a PBPK model that includes transporter-mediated uptake processes in the liver. In general, complete in vitro and in vivo extrapolation (IVIVE) poses challenges due to missing factors that bridge the gap between in vitro and in vivo systems. By considering key in vitro parameters, we can capture in vivo pharmacokinetics, a strategy known as the top-down or middle-out approach. We present the latest progress, theory, and practice of the Cluster Gauss-Newton method, which is used for middle-out analyses. As examples of poor IVIVE, we discuss "albumin-mediated hepatic uptake" and "time-dependent inhibition" of OATP1Bs. The hepatic uptake of highly plasma-bound drugs is more efficient than what can be accounted for by their unbound concentration alone. This phenomenon is referred to as "albumin-mediated" hepatic uptake. IVIVE was improved by measuring hepatic uptake clearance in vitro in the presence of physiologic albumin concentrations. Lastly, we demonstrate the application of Cluster Gauss-Newton method-based analysis to the target-mediated drug disposition of bosentan. Incorporating saturable target binding and OATP1B-mediated hepatic uptake into the PBPK model enables the consideration of nonlinear kinetics across a wide dose range and the prediction of receptor occupancy over time. SIGNIFICANCE STATEMENT: There have been multiple instances where researchers' endeavors to unravel the underlying mechanism of poor in vitro-in vivo extrapolation have led to the discovery of previously undisclosed truths. These include 1) albumin-mediated hepatic uptake, 2) the target-mediated drug disposition in small molecules, and 3) the existence of a trans-inhibition mechanism by inhibitors for OATP1B-mediated hepatic uptake of drugs. Consequently, poor in vitro-in vivo extrapolation and the subsequent inquisitiveness of scientists may serve as a pivotal gateway to uncover hidden mechanisms.
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Affiliation(s)
- Yuichi Sugiyama
- Laboratory of Quantitative System Pharmacokinetics/Pharmacodynamics, Josai International University, Chiyoda-ku, Tokyo, Japan (Y.A., Y.S.); ShanghaiTech University, iHuman Institute, Pudong, Shanghai, China (Y.S.); and Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (Y.A.)
| | - Yasunori Aoki
- Laboratory of Quantitative System Pharmacokinetics/Pharmacodynamics, Josai International University, Chiyoda-ku, Tokyo, Japan (Y.A., Y.S.); ShanghaiTech University, iHuman Institute, Pudong, Shanghai, China (Y.S.); and Drug Metabolism and Pharmacokinetics, Research and Early Development, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden (Y.A.)
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Wambua PM, Khan Z, Kariuki CM, Ogola EN. A Retrospective Study on the Adoption of Lipid Management Guidelines in Post-Myocardial Infarction Patients in a Tertiary Care Centre. Cureus 2023; 15:e41402. [PMID: 37546064 PMCID: PMC10402653 DOI: 10.7759/cureus.41402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/05/2023] [Indexed: 08/08/2023] Open
Abstract
BACKGROUND Lipid management after acute myocardial infarction (AMI) is one of the important aspects of secondary prevention in the high cardiovascular (CV) risk group, and targeted reduction of low-density lipoprotein cholesterol (LDL-C) remains the primary target for lipid therapy after myocardial infarction (MI). STUDY OBJECTIVE To conduct a retrospective study of the adequacy of lipid management in post-MI patients admitted to a tertiary care centre as compared to the 2019 European Society of Cardiology (ESC) guidelines for the management of dyslipidaemia. METHODOLOGY The study was a retrospective review of medical records of patients admitted with MI under the Ubora Heart Service, Nairobi Hospital, from January 2020 to June 2022. RESULTS The study population included 79 patients, with a mean age of 59.3 (SD ±12), predominantly male (61 patients, 77.2%), and of African descent (60 patients, 75.9%). The majority of the study population presented with an ST-segment elevation myocardial infarction (STEMI) (62%), and the six most prevalent cardiovascular risk factors recorded amongst the patients were: systemic arterial hypertension in 50 (63.3%) patients; dyslipidaemia in 34 (43.0%); type II diabetes mellitus (T2DM) in 25 (31.6); history of smoking in 12 (15.2%); obesity or being overweight in 12 (15.1%); and family history of premature coronary artery disease or sudden cardiac death in four (5.1%) patients. Moreover, 88.6% of the patients had their lipid profile assessment done within 48 hours of admission, with a mean LDL-C level of 3.18 mmol/L (SD ±.18). All the patients recruited in the study were started on high-intensity statins with either 40 mg or 80 mg of atorvastatin or 20 mg or 40 mg of rosuvastatin. Thirty-nine (44%) patients recruited had repeat lipid profiles on follow-up, with a median lipid analysis time of five months (interquartile range (IQR): 2.0-10.0). Of those, only six (17.1%) achieved the LDL-C goal of <1.4 mmo/L while only 16 (45.7%) achieved a greater than 50% reduction from their baseline LDL-C level, with three (8.6%) patients having an increased LDL-C level from baseline. Overall, 14.7% of the patients studied achieved the guideline-recommended LDL-C goal of an LDL-C target of <1.4 mmo/L and a ≥ 50% reduction from baseline LDL-C. After five months of follow-up, 75 (94.9%) patients were on statin monotherapy, with 4 (5.1%) on high-intensity statin and ezetimibe combination therapy. CONCLUSION This retrospective study highlights the need for early sensitisation and the adoption of secondary prevention strategies in acute coronary syndrome (ACS), as recommended by the 2019 ESC guidelines.
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Affiliation(s)
| | - Zahid Khan
- Acute Medicine, Mid and South Essex NHS Foundation Trust, Southend-on-Sea, GBR
- Cardiology, Barts Heart Centre, London, GBR
- Cardiology and General Medicine, Barking, Havering and Redbridge University Hospitals NHS Trust, London, GBR
- Cardiology, Royal Free Hospital, London, GBR
| | - Charles M Kariuki
- Cardiology, Ubora Heart Service, Nairobi, KEN
- Cardiology, The Nairobi Hospital, Nairobi, KEN
| | - Elijah N Ogola
- Clinical Medicine and Therapeutics, University of Nairobi, Nairobi, KEN
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Zhang W, Xiang Y, Wang L, Wang F, Li G, Zhuang X. Translational pharmacokinetics of a novel bispecific antibody against Ebola virus (MBS77E) from animal to human by PBPK modeling & simulation. Int J Pharm 2022; 626:122160. [PMID: 36089211 DOI: 10.1016/j.ijpharm.2022.122160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/11/2022] [Accepted: 08/28/2022] [Indexed: 11/17/2022]
Abstract
The goal of this study was to construct a PBPK model to accelerate the translation of MBS77E, a humanized bispecific antibody against the Ebola virus. In-depth nonclinical pharmacokinetic studies in rats, monkeys, wild-type mice and transgenic mice were conducted. The pH-dependent affinities (KD) of MBS77E to recombinant FcRn of different species were determined by surface plasmon resonance analysis. A mechanistic whole-body PBPK model of MBS77E was developed and validated in the assessment of PK profiles and tissue distributions in preclinical models. This PBPK model was finally used to predict human PK behaviors of MBS77E. Simulations from the PBPK model with measured and fitted parameters were able to yield good predictions of the serum and tissue pharmacokinetic parameters of MBS77E within 2-fold errors. The predicted serum concentration in humans was able to maintain a sufficiently high level for more than 14 days after 50 mg/kg i.v. administrating. This achievement unlocks that PBPK modeling is a powerful tool to gain insights into the properties of antibody drugs. It guided experimental efforts to obtain necessary information before entry into humans.
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Affiliation(s)
- Wenpeng Zhang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Yanan Xiang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Lingchao Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Furun Wang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Guanglu Li
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China
| | - Xiaomei Zhuang
- State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing, China.
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Izumi S, Nozaki Y, Lee W, Sugiyama Y. Experimental and modeling evidence supporting the trans-inhibition mechanism for preincubation time-dependent, long-lasting inhibition of organic anion transporting polypeptide (OATP) 1B1 by cyclosporine A. Drug Metab Dispos 2022; 50:541-551. [PMID: 35241487 DOI: 10.1124/dmd.121.000783] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 02/14/2022] [Indexed: 11/22/2022] Open
Abstract
Cyclosporine A (CsA) and rifampin are potent inhibitors of organic anion transporting polypeptide (OATP) 1B1 and are widely used to assess the risk for drug-drug interactions. CsA displays preincubation time-dependent, long-lasting inhibition of OATP1B1 in vitro and in rats in vivo, and a proposed mechanism is the trans-inhibition by which CsA inhibits OATP1B1 from the inside of cells. The current study aimed to experimentally validate the proposed mechanism using HEK293 cells stably expressing OATP1B1. The uptake of CsA reached a plateau following around 60-min incubation, with the cell-to-buffer concentration ratio of 3930, reflective of the high-affinity, high-capacity intracellular binding of CsA. The time course of CsA uptake was analyzed to estimate the kinetic parameters for permeability clearance and intracellular binding. When the OATP1B1-mediated uptake of [3H]estradiol-17β-glucuronide was measured following preincubation with CsA for 5 to 120 min, apparent Ki values became lower with longer preincubation. Our kinetic modeling incorporated the two reversible inhibition constants [Ki,trans and Ki,cis for the inhibition from inside (trans-inhibition) and outside (cis-inhibition) of cells, respectively] and estimated Ki,trans value of CsA was smaller by 48-fold than the estimated Ki,cis value. Rifampin also displayed preincubation time-dependent inhibition of OATP1B1, albeit the extent of enhancement was only 2-fold. The current study provides experimental evidence for the preincubation time-dependent shift of apparent Ki values and a mechanistic basis for physiologically based pharmacokinetic modeling that incorporates permeability clearance, extensive intracellular binding, and asymmetry of Ki values between the inside and outside of cells. Significance Statement In vitro data and kinetic modeling support that preincubation time-dependent, long-lasting inhibition of OATP1B1 by CsA can be explained by the extensive intracellular binding and reversible OATP1B1 inhibition intracellularly (trans-inhibition) as well as extracellularly (cis-inhibition). For inhibitors to display time-dependency, the following factors were found important: time to reach a steady-state cellular concentration, trans-inhibition potency relative to cis-inhibition, and the degree of cellular inhibitor accumulation. This study would aid in the accurate prediction of drug-drug interactions mediated by OATP1B1 inhibition.
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Affiliation(s)
| | | | - Wooin Lee
- Seoul National University, Korea, Republic of
| | - Yuichi Sugiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan
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Schupack DA, Mars RAT, Voelker DH, Abeykoon JP, Kashyap PC. The promise of the gut microbiome as part of individualized treatment strategies. Nat Rev Gastroenterol Hepatol 2022; 19:7-25. [PMID: 34453142 PMCID: PMC8712374 DOI: 10.1038/s41575-021-00499-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 27.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/14/2021] [Indexed: 02/07/2023]
Abstract
Variability in disease presentation, progression and treatment response has been a central challenge in medicine. Although variability in host factors and genetics are important, it has become evident that the gut microbiome, with its vast genetic and metabolic diversity, must be considered in moving towards individualized treatment. In this Review, we discuss six broad disease groups: infectious disease, cancer, metabolic disease, cardiovascular disease, autoimmune or inflammatory disease, and allergic and atopic diseases. We highlight current knowledge on the gut microbiome in disease pathogenesis and prognosis, efficacy, and treatment-related adverse events and its promise for stratifying existing treatments and as a source of novel therapies. The Review is not meant to be comprehensive for each disease state but rather highlights the potential implications of the microbiome as a tool to individualize treatment strategies in clinical practice. Although early, the outlook is optimistic but challenges need to be overcome before clinical implementation, including improved understanding of underlying mechanisms, longitudinal studies with multiple data layers reflecting gut microbiome and host response, standardized approaches to testing and reporting, and validation in larger cohorts. Given progress in the microbiome field with concurrent basic and clinical studies, the microbiome will likely become an integral part of clinical care within the next decade.
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Affiliation(s)
- Daniel A Schupack
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Ruben A T Mars
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA
| | - Dayne H Voelker
- Division of Internal Medicine, Mayo Clinic, Rochester, MN, USA
| | - Jithma P Abeykoon
- Division of Hematology and Oncology, Mayo Clinic, Rochester, MN, USA
| | - Purna C Kashyap
- Division of Gastroenterology and Hepatology, Mayo Clinic, Rochester, MN, USA.
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, USA.
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Anderson K, Nelson CH, Gong Q, Alani M, Tarnowski T, Othman AA. Assessment of the Effect of Filgotinib on the Pharmacokinetics of Atorvastatin, Pravastatin, and Rosuvastatin in Healthy Adult Participants. Clin Pharmacol Drug Dev 2021; 11:235-245. [PMID: 34468080 PMCID: PMC9293227 DOI: 10.1002/cpdd.1015] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 07/26/2021] [Indexed: 01/01/2023]
Abstract
Filgotinib, an oral Janus kinase‐1 preferential inhibitor, is approved in Europe and Japan for adults with rheumatoid arthritis. Patients with rheumatoid arthritis are at higher risk of cardiovascular morbidity/mortality; thus, it is important to understand potential drug‐drug interactions of filgotinib with lipid‐lowering agents. This open‐label, randomized, 2‐way crossover study evaluated the pharmacokinetics of atorvastatin, pravastatin, and rosuvastatin with and without filgotinib coadministration. Healthy participants (N = 27) received single doses of atorvastatin (40 mg) and of a pravastatin (40 mg)/rosuvastatin (10 mg) cocktail—alone or with filgotinib (200 mg once daily for 11 days)—on 2 different occasions with washout in between. Serial pharmacokinetic blood samples were collected, and safety was assessed. Pharmacokinetic parameters were evaluated using 90% confidence intervals (CI) of the geometric least‐squares mean (GLSM) ratio of the test treatment (statin coadministration with filgotinib) vs statin alone, with prespecified lack‐of‐interaction bounds of 0.70 to 1.43. Coadministration of filgotinib did not affect atorvastatin area under the plasma concentration–time curve extrapolated to infinity (AUCinf; [GLSM ratios (90% CI): 0.91 (0.84‐0.99)]), but maximum concentration [Cmax] was slightly lower [0.82 (0.69‐0.99)]. The exposure of 2‐hydroxy‐atorvastatin was unaffected (GLSM ratios [90% CI], 0.98 [0.81‐1.19] for Cmax; 1.11 [1.02‐1.22] for AUCinf). Pravastatin AUCinf was also unaffected (GLSM ratios, 1.22 [1.05‐1.41], but Cmax was slightly higher 1.25 [1.01‐1.54]). Rosuvastatin exposure was moderately higher with filgotinib coadministration—GLSM ratios (90% CI), 1.68 (1.43‐1.97) for Cmax; 1.42 (1.30‐1.57) for AUCinf—but this was not considered clinically relevant. These results indicate that filgotinib has no clinically meaningful effect on exposure of atorvastatin, pravastatin, or rosuvastatin.
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Affiliation(s)
| | | | - Qi Gong
- Gilead Sciences, Inc., Foster City, California, USA
| | - Muhsen Alani
- Gilead Sciences, Inc., Foster City, California, USA.,Division of Rheumatology, University of Washington, Seattle, Washington, USA
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Cai T, Abel L, Langford O, Monaghan G, Aronson JK, Stevens RJ, Lay-Flurrie S, Koshiaris C, McManus RJ, Hobbs FDR, Sheppard JP. Associations between statins and adverse events in primary prevention of cardiovascular disease: systematic review with pairwise, network, and dose-response meta-analyses. BMJ 2021; 374:n1537. [PMID: 34261627 PMCID: PMC8279037 DOI: 10.1136/bmj.n1537] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To assess the associations between statins and adverse events in primary prevention of cardiovascular disease and to examine how the associations vary by type and dosage of statins. DESIGN Systematic review and meta-analysis. DATA SOURCES Studies were identified from previous systematic reviews and searched in Medline, Embase, and the Cochrane Central Register of Controlled Trials, up to August 2020. REVIEW METHODS Randomised controlled trials in adults without a history of cardiovascular disease that compared statins with non-statin controls or compared different types or dosages of statins were included. MAIN OUTCOME MEASURES Primary outcomes were common adverse events: self-reported muscle symptoms, clinically confirmed muscle disorders, liver dysfunction, renal insufficiency, diabetes, and eye conditions. Secondary outcomes included myocardial infarction, stroke, and death from cardiovascular disease as measures of efficacy. DATA SYNTHESIS A pairwise meta-analysis was conducted to calculate odds ratios and 95% confidence intervals for each outcome between statins and non-statin controls, and the absolute risk difference in the number of events per 10 000 patients treated for a year was estimated. A network meta-analysis was performed to compare the adverse effects of different types of statins. An Emax model based meta-analysis was used to examine the dose-response relationships of the adverse effects of each statin. RESULTS 62 trials were included, with 120 456 participants followed up for an average of 3.9 years. Statins were associated with an increased risk of self-reported muscle symptoms (21 trials, odds ratio 1.06 (95% confidence interval 1.01 to 1.13); absolute risk difference 15 (95% confidence interval 1 to 29)), liver dysfunction (21 trials, odds ratio 1.33 (1.12 to 1.58); absolute risk difference 8 (3 to 14)), renal insufficiency (eight trials, odds ratio 1.14 (1.01 to 1.28); absolute risk difference 12 (1 to 24)), and eye conditions (six trials, odds ratio 1.23 (1.04 to 1.47); absolute risk difference 14 (2 to 29)) but were not associated with clinically confirmed muscle disorders or diabetes. The increased risks did not outweigh the reduction in the risk of major cardiovascular events. Atorvastatin, lovastatin, and rosuvastatin were individually associated with some adverse events, but few significant differences were found between types of statins. An Emax dose-response relationship was identified for the effect of atorvastatin on liver dysfunction, but the dose-response relationships for the other statins and adverse effects were inconclusive. CONCLUSIONS For primary prevention of cardiovascular disease, the risk of adverse events attributable to statins was low and did not outweigh their efficacy in preventing cardiovascular disease, suggesting that the benefit-to-harm balance of statins is generally favourable. Evidence to support tailoring the type or dosage of statins to account for safety concerns before starting treatment was limited. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42020169955.
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Affiliation(s)
- Ting Cai
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Lucy Abel
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Oliver Langford
- Alzheimer's Therapeutic Research Institute, University of Southern California, Los Angeles, USA
| | - Genevieve Monaghan
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Jeffrey K Aronson
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Richard J Stevens
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - Sarah Lay-Flurrie
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | | | - Richard J McManus
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - F D Richard Hobbs
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
| | - James P Sheppard
- Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, UK
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Lee W, Ha JM, Sugiyama Y. Post-translational regulation of the major drug transporters in the families of organic anion transporters and organic anion-transporting polypeptides. J Biol Chem 2020; 295:17349-17364. [PMID: 33051208 PMCID: PMC7863896 DOI: 10.1074/jbc.rev120.009132] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 10/13/2020] [Indexed: 12/16/2022] Open
Abstract
The organic anion transporters (OATs) and organic anion-transporting polypeptides (OATPs) belong to the solute carrier (SLC) transporter superfamily and play important roles in handling various endogenous and exogenous compounds of anionic charge. The OATs and OATPs are often implicated in drug therapy by impacting the pharmacokinetics of clinically important drugs and, thereby, drug exposure in the target organs or cells. Various mechanisms (e.g. genetic, environmental, and disease-related factors, drug-drug interactions, and food-drug interactions) can lead to variations in the expression and activity of the anion drug-transporting proteins of OATs and OATPs, possibly impacting the therapeutic outcomes. Previous investigations mainly focused on the regulation at the transcriptional level and drug-drug interactions as competing substrates or inhibitors. Recently, evidence has accumulated that cellular trafficking, post-translational modification, and degradation mechanisms serve as another important layer for the mechanisms underlying the variations in the OATs and OATPs. This review will provide a brief overview of the major OATs and OATPs implicated in drug therapy and summarize recent progress in our understanding of the post-translational modifications, in particular ubiquitination and degradation pathways of the individual OATs and OATPs implicated in drug therapy.
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Affiliation(s)
- Wooin Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea.
| | - Jeong-Min Ha
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul, Korea
| | - Yuichi Sugiyama
- Sugiyama Laboratory, RIKEN Cluster for Science, Technology and Innovation Hub, Yokohama, Kanagawa, Japan
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