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Murillo Moreno MA, López Gutiérrez LV, Vinck EE, Roncancio Villamil G, Gallego Muñoz C, Saldarriaga Giraldo CI. Coronary heart disease and tuberculosis: an unnoticed syndemia. Review of literature and management proposal. ARCHIVOS PERUANOS DE CARDIOLOGIA Y CIRUGIA CARDIOVASCULAR 2024; 5:e375. [PMID: 39015190 PMCID: PMC11247974 DOI: 10.47487/apcyccv.v5i2.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2024] [Accepted: 06/03/2024] [Indexed: 07/18/2024]
Abstract
Tuberculosis is an increasing disease that affects about one-third of the global population. In line with the rise of tuberculosis, cardiovascular disease has shown a similar trend, with ischemic coronary heart disease becoming the leading cause of death worldwide. Based on the literature, a relationship can be drawn between tuberculosis and ischemic coronary heart disease through their shared multiple risk factors and a possible pathophysiological substrate linking them. The presentation of these two conditions reported so far is varied: it has been found as the onset of acute coronary syndrome in patients with active tuberculosis, the progressive development of coronary atherosclerosis in patients with latent tuberculosis, among others. Given this possible link and the progressive increase in their incidence rates, we can assert that we are facing an unnoticed syndemic, with their concurrent management posing a challenge due to significant pharmacological interactions. The purpose of this review is to clarify this possible link, propose an approach for diagnosis, and provide a treatment algorithm for the entire spectrum of coronary disease coexisting with tuberculosis according to the current available literature.
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Affiliation(s)
- Mauricio Andrés Murillo Moreno
- Departamento de Medicina Interna, Universidad CES, Medellín, Colombia.Universidad CESDepartamento de Medicina InternaUniversidad CESMedellínColombia
| | - Laura Valentina López Gutiérrez
- Departamento de Cardiología, Clínica Cardio VID, Medellín, Colombia.Departamento de CardiologíaClínica Cardio VIDMedellínColombia
| | - Eric Edward Vinck
- Departamento de Cirugía Cardiovascular, Clínica Cardio VID, Medellín, Colombia.Departamento de Cirugía CardiovascularClínica Cardio VIDMedellínColombia
| | - Gustavo Roncancio Villamil
- Departamento de Enfermedades Infecciosas, Clínica Cardio VID, Medellín, Colombia.Departamento de Enfermedades InfecciosasClínica Cardio VIDMedellínColombia
| | - Catalina Gallego Muñoz
- Departamento de Cardiología, Clínica Cardio VID, Medellín, Colombia.Departamento de CardiologíaClínica Cardio VIDMedellínColombia
| | - Clara Inés Saldarriaga Giraldo
- Departamento de Cardiología, Clínica Cardio VID, Medellín, Colombia.Departamento de CardiologíaClínica Cardio VIDMedellínColombia
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2
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Li T, Li X, Jiang X, Wang C, Sun F, Liu Y, Lin P, Shi P, Fu Y, Gao X, Zhang Y, Cao Y. The effect of rifampin on the pharmacokinetics of famitinib in healthy subjects. Cancer Chemother Pharmacol 2022; 90:409-415. [PMID: 36107220 PMCID: PMC9556364 DOI: 10.1007/s00280-022-04474-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 09/06/2022] [Indexed: 11/27/2022]
Abstract
Abstract
Background
Famitinib is an oral, small-molecule, multi-targeted tyrosine kinase inhibitor under clinical investigation for the treatment of solid tumors. As famitinib is metabolized mainly by cytochrome P450 3A4 (CYP3A4), the study was conducted to investigate the effect of potent CYP3A4 inducer rifampin on the pharmacokinetics of famitinb.
Methods
This single-center, single-arm and fixed-sequence drug–drug interaction study enrolled 21healthy Chinese male subjects. Subjects received a single oral dose of famitinib 25 mg on days 1 and 16 and repeated administration of oral rifampin 600 mg once daily on days 10–23. Blood samples were collected and plasma concentrations of famitinib were measured by validated liquid chromatography-tandem mass spectrometry (LC–MS/MS) method. Pharmacokinetic parameters were calculated using noncompartmental analysis and safety was assessed.
Results
In the presence of rifampin, the famitinib geometric mean maximum plasma concentration (Cmax) and area under the plasma concentration–time curve from time zero to infinity (AUC0–∞) decreased by 48% and 69%, respectively, and the mean elimination half-life was shortened from 33.9 to 18.2 h. The geometric mean ratio (GMR) of famitinib Cmax and AUC0–∞ and their 90% CI were 0.52 (0.50, 0.54) and 0.31 (0.29, 0.33). Single dose of famitinib 25 mg was well tolerated and eight subjects (38.1%) reported treatment emergent adverse events, which were all grade 1–2 in severity.
Conclusion
Co-administration of rifampin considerably reduces plasma concentration of famitinb due to CYP3A4 induction. Concomitant administration of famitinib and strong CYP3A4 inducers should be avoided, whereas when simultaneous use with inducers of CYP3A4, dose adjustment of famitinb is recommended.
Clinical trial registration number
NCT04494659 (July 31, 2020).
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Affiliation(s)
- Ting Li
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Xin Li
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Xin Jiang
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Chenjing Wang
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Feifei Sun
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yanping Liu
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Pingping Lin
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Ping Shi
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yao Fu
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Xiaomeng Gao
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Yanyan Zhang
- Clinical Pharmacology Department, Jiangsu Hengrui Pharmaceuticals Co. Ltd., Jiangsu, China
| | - Yu Cao
- Phase I Clinical Research Center, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China.
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MacDougall C, Canonica T, Keh C, P. Phan BA, Louie J. Systematic review of drug–drug interactions between rifamycins and anticoagulant and antiplatelet agents and considerations for management. Pharmacotherapy 2022; 42:343-361. [DOI: 10.1002/phar.2672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/04/2022] [Accepted: 02/07/2022] [Indexed: 02/01/2023]
Affiliation(s)
- Conan MacDougall
- Department of Clinical Pharmacy University of California San Francisco School of Pharmacy San Francisco California USA
| | - Theora Canonica
- Department of Clinical Pharmacy San Francisco Veterans' Affairs Medical Center San Francisco California USA
| | - Chris Keh
- Division of Infectious Disease University of California, San Francisco San Francisco California USA
| | - Binh An P. Phan
- Division of Cardiology San Francisco General Hospital University of California, San Francisco San Francisco California USA
| | - Janice Louie
- Division of Infectious Diseases San Francisco Department of Public Health Tuberculosis Clinic University of California, San Francisco San Francisco California USA
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Liu S, Sodhi JK, Benet LZ. Analyzing Potential Intestinal Transporter Drug-Drug Interactions: Reevaluating Ticagrelor Interaction Studies. Pharm Res 2021; 38:1639-1644. [PMID: 34729703 DOI: 10.1007/s11095-021-03105-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 09/01/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE Previous studies evaluating ticagrelor drug-drug interactions have not differentiated intestinal versus systemic mechanisms, which we do here. METHODS Using recently published methodologies from our laboratory to differentiate metabolic- from transporter-mediated drug-drug interactions, a critical evaluation of five published ticagrelor drug-drug interactions was carried out to investigate the purported clinical significance of enzymes and transporters in ticagrelor disposition. RESULTS The suggested CYP3A4 inhibitors, ketoconazole and diltiazem, displayed unchanged mean absorption time (MAT) and time of maximum concentration (Tmax) values as was expected, i.e., the interactions were mainly mediated by metabolic enzymes. The potential CYP3A4/P-gp inhibitor cyclosporine also showed an unchanged MAT value. Further analysis assuming there was no P-gp effect suggested that the increased AUC and unchanged t1/2 for ticagrelor after cyclosporine administration were attributed to the inhibition of intestinal CYP3A4 rather than P-gp. Rifampin, an inducer of CYP3As after multiple dosing, unexpectedly showed decreased MAT and Tmax values, which cannot be completely explained. In contrast, grapefruit juice, an intestinal CYP3A/P-gp/OATP inhibitor, significantly increased MAT and Tmax values for ticagrelor, which may be due to activation of P-gp or inhibition of OATPs expressed in intestine. CONCLUSIONS This study provides new insight into the role of transporter pathways in ticagrelor intestinal absorption by examining potential MAT and Tmax changes mediated by drug-drug interactions.
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Affiliation(s)
- Shuaibing Liu
- Department of Bioengineering and Therapeutics Sciences, Schools of Pharmacy and Medicine, University of California, San Francisco, California, 94143-0912, San Francisco, USA
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Jasleen K Sodhi
- Department of Bioengineering and Therapeutics Sciences, Schools of Pharmacy and Medicine, University of California, San Francisco, California, 94143-0912, San Francisco, USA
- Department of Drug Metabolism and Pharmacokinetics, Plexxikon Inc, South San Francisco, California, USA
| | - Leslie Z Benet
- Department of Bioengineering and Therapeutics Sciences, Schools of Pharmacy and Medicine, University of California, San Francisco, California, 94143-0912, San Francisco, USA.
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Clinically Relevant Interactions with Anti-Infectives on Intensive Care Units-A Multicenter Delphi Study. Antibiotics (Basel) 2021; 10:antibiotics10111330. [PMID: 34827267 PMCID: PMC8614667 DOI: 10.3390/antibiotics10111330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/22/2021] [Accepted: 10/26/2021] [Indexed: 11/23/2022] Open
Abstract
Patients in intensive care units (ICUs) are at high risk of drug–drug interactions (DDIs) due to polypharmacy. Little is known about type and frequency of DDIs within German ICUs. Clinical pharmacists’ interventions (PI) recorded in a national database (ADKA-DokuPIK) were filtered for ICU patients. Binary DDIs involving ≥1 anti-infective agent with >1 database entry were selected. A modified two-step Delphi process with a group of senior hospital pharmacists was employed to evaluate selected DDIs for clinical relevance by using a five-point scale and to develop guidance for clinical practice. In total, 16,173 PI were recorded, including 1836 (11%) DDIs in the ICU setting. Of the latter, 41% (756/1836) included ≥1 anti-infective agent, 32% (590/1836) were binary DDIs, and 25% (455/1836) were listed at least twice. This translates into 88 different DDIs, 74% (65/88) of which were rated as being clinically relevant by our expert panel. The majority of DDIs (76% [67/88]) included macrolides, antifungals, or fluoroquinolones. This percentage was even higher in DDIs being rated as clinically relevant by the experts (85% [55/65]). It is noted that an inter-professional discussion and approach is needed in the individual patient management of DDIs. The guidance developed might be a tool for decision support.
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Schilling U, Dingemanse J, Ufer M. Pharmacokinetics and Pharmacodynamics of Approved and Investigational P2Y12 Receptor Antagonists. Clin Pharmacokinet 2021; 59:545-566. [PMID: 32056160 DOI: 10.1007/s40262-020-00864-4] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Coronary artery disease remains the major cause of mortality worldwide. Antiplatelet drugs such as acetylsalicylic acid and P2Y12 receptor antagonists are cornerstone treatments for the prevention of thrombotic events in patients with coronary artery disease. Clopidogrel has long been the gold standard but has major pharmacological limitations such as a slow onset and long duration of effect, as well as weak platelet inhibition with high inter-individual pharmacokinetic and pharmacodynamic variability. There has been a strong need to develop potent P2Y12 receptor antagonists with more favorable pharmacological properties. Prasugrel and ticagrelor are more potent and have a faster onset of action; however, they have shown an increased bleeding risk compared with clopidogrel. Cangrelor is highly potent and has a very rapid onset and offset of effect; however, its indication is limited to P2Y12 antagonist-naïve patients undergoing percutaneous coronary intervention. Two novel P2Y12 receptor antagonists are currently in clinical development, namely vicagrel and selatogrel. Vicagrel is an analog of clopidogrel with enhanced and more efficient formation of its active metabolite. Selatogrel is characterized by a rapid onset of action following subcutaneous administration and developed for early treatment of a suspected acute myocardial infarction. This review article describes the clinical pharmacology profile of marketed P2Y12 receptor antagonists and those under development focusing on pharmacokinetic, pharmacodynamic, and drug-drug interaction liability.
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Affiliation(s)
- Uta Schilling
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland.
| | - Jasper Dingemanse
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland
| | - Mike Ufer
- Department of Clinical Pharmacology, Idorsia Pharmaceuticals Ltd, Hegenheimermattweg 91, 4123, Allschwil, Switzerland
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7
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Corsini A, Ferri N, Proietti M, Boriani G. Edoxaban and the Issue of Drug-Drug Interactions: From Pharmacology to Clinical Practice. Drugs 2021; 80:1065-1083. [PMID: 32504376 DOI: 10.1007/s40265-020-01328-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Edoxaban, a direct factor Xa inhibitor, is the latest of the non-vitamin K antagonist oral anticoagulants (NOACs). Despite being marketed later than other NOACs, its use is now spreading in current clinical practice, being indicated for both thromboprophylaxis in patients with non-valvular atrial fibrillation (NVAF) and for the treatment and prevention of venous thromboembolism (VTE). In patients with multiple conditions, the contemporary administration of several drugs can cause relevant drug-drug interactions (DDIs), which can affect drugs' pharmacokinetics and pharmacodynamics. Usually, all the NOACs are considered to have significantly fewer DDIs than vitamin K antagonists; notwithstanding, this is actually not true, all of them are affected by DDIs with drugs that can influence the activity (induction or inhibition) of P-glycoprotein (P-gp) and cytochrome P450 3A4, both responsible for the disposition and metabolism of NOACs to a different extent. In this review/expert opinion, we focused on an extensive report of edoxaban DDIs. All the relevant drugs categories have been examined to report on significant DDIs, discussing the impact on edoxaban pharmacokinetics and pharmacodynamics, and the evidence for dose adjustment. Our analysis found that, despite a restrained number of interactions, some strong inhibitors/inducers of P-gp and drug-metabolising enzymes can affect edoxaban concentration, just as it happens with other NOACs, implying the need for a dose adjustment. However, our analysis of edoxaban DDIs suggests that given the small propensity for interactions of this agent, its use represents an acceptable clinical decision. Still, DDIs can be significant in certain clinical situations and a careful evaluation is always needed when prescribing NOACs.
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Affiliation(s)
- Alberto Corsini
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Milan, Italy.,Multimedica IRCCS, Milan, Italy
| | - Nicola Ferri
- Department of Pharmaceutical and Pharmacological Sciences, University of Padua, Padua, Italy
| | - Marco Proietti
- Department of Clinical Sciences and Community Health, University of Milan, Via della Commenda 19, 20122, Milan, Italy. .,Geriatric Unit, Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico, Milan, Italy. .,Liverpool Centre for Cardiovascular Science, University of Liverpool and Liverpool Heart & Chest Hospital, Liverpool, UK.
| | - Giuseppe Boriani
- Cardiology Division, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Policlinico di Modena, Modena, Italy
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Lordkipanidzé M, Marquis-Gravel G, Tanguay JF, Mehta SR, So DY. Implications of the Antiplatelet Therapy Gap Left With Discontinuation of Prasugrel in Canada. CJC Open 2020; 3:814-821. [PMID: 34169260 PMCID: PMC8209390 DOI: 10.1016/j.cjco.2020.11.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 11/18/2020] [Indexed: 11/19/2022] Open
Abstract
Background The current Canadian Cardiovascular Society antiplatelet therapy guidelines recommend the use of ticagrelor or prasugrel over clopidogrel as first-line platelet P2Y12 receptor antagonists for treatment of moderate- to high-risk acute coronary syndromes. Recently, Effient (prasugrel [Eli Lilly Canada Inc, Toronto, Canada]) was discontinued by its distributor in Canada. Methods Five members of the Canadian Cardiovascular Society antiplatelet therapy 2018 guidelines committee undertook an independent, evidence-based review to outline patients for whom prasugrel should be the optimal P2Y12 agent and discuss alternative strategies to consider without prasugrel. Results Several clinical scenarios where prasugrel should be indicated are identified and discussed. Considerations to be undertaken for alternative therapies are summarized, including a review of national and international guidelines for de-escalation of P2Y12 receptor antagonists. Conclusions The discontinuation of prasugrel poses a challenge for clinicians. Clinicians must consider key factors in determining the best alternate therapy.
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Affiliation(s)
- Marie Lordkipanidzé
- Montreal Heart Institute, Montreal, Quebec, Canada
- Faculty of pharmacy, Université de Montréal, Montreal, Quebec, Canada
| | - Guillaume Marquis-Gravel
- Montreal Heart Institute, Montreal, Quebec, Canada
- Faculty of medicine, Université de Montréal, Montreal, Quebec, Canada
| | - Jean-François Tanguay
- Montreal Heart Institute, Montreal, Quebec, Canada
- Faculty of medicine, Université de Montréal, Montreal, Quebec, Canada
| | - Shamir R. Mehta
- McMaster University, Hamilton, Ontario, Canada
- Hamilton Health Sciences, Hamilton, Ontario, Canada
| | - Derek Y.F. So
- University of Ottawa Heart Institute, Ottawa, Ontario, Canada
- Corresponding author: Dr Derek Y.F. So, University of Ottawa Heart Institute, 40 Ruskin St, Room H3408, Ottawa, Ontario K1Y 4W7, Canada. Tel: +1-613-761-5387.
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Liu S, Wang Z, Hou L, Tian X, Zhang X, Cai W. Predicting the effect of tea polyphenols on ticagrelor by incorporating transporter-enzyme interplay mechanism. Chem Biol Interact 2020; 330:109228. [PMID: 32827518 DOI: 10.1016/j.cbi.2020.109228] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/09/2020] [Accepted: 08/18/2020] [Indexed: 12/19/2022]
Abstract
This study aimed at exploring the potential mechanism of decreased in vivo exposure of the antiplatelet agent, ticagrelor and its active metabolite, AR-C124910XX, mediated by tea polyphenols, which was first revealed by our previous study, as well as predicting the in vivo drug-drug interaction (DDI) potential utilizing an in vitro to in vivo extrapolation (IVIVE) approach. The bidirectional transport and uptake kinetics of ticagrelor were determined using Caco-2 cells. Inhibition potency of major components of tea polyphenols, epigallocatechin gallate (EGCG) and epigallocatechin (EGC) were obtained from Caco-2 cells, human intestinal and hepatic microsomes (HIMs and HLMs) in vitro. A mean efflux ratio of 2.28 ± 0.38 and active uptake behavior of ticagrelor were observed in Caco-2 cell studies. Further investigation showed that the IC50 values of EGCG and EGC on the uptake of ticagrelor were 42.0 ± 5.1 μM (95% CI 31.9-54.8 μM) and 161 ± 13 μM (95% CI 136-191 μM), respectively. EGCG and EGC also displayed moderate to weak reversible inhibition on the formation of AR-C124910XX and the inactive metabolite, AR-C133913XX in HIMs and HLMs, while no clinically significant time-dependent inhibition was observed for either compound. IVIVE indicated a significant inhibition effect of EGCG on the uptake process of ticagrelor, while no potential DDI risk was found based on microsomal data. A 45% decrease in ticagrelor in vivo exposure was mechanistically predicted by incorporating intestinal and hepatic metabolism as well as intestinal absorption. This dual inhibition of tea polyphenols on ticagrelor revealed the underlying potential of transporter-enzyme interplay, in which the altered uptake process was more critical.
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Affiliation(s)
- Shuaibing Liu
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China.
| | - Ziteng Wang
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Lei Hou
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Xin Tian
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Xiaojian Zhang
- Department of Pharmacy, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052, China
| | - Weimin Cai
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University, Shanghai, 201203, China.
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Marsousi N, Rudaz S, Desmeules JA, Daali Y. Liquid Chromatography-Tandem Mass Spectrometry Method for Ticagrelor and its Active Metabolite Determination in Human Plasma: Application to a Pharmacokinetic Study. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411015666190220144904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Ticagrelor is a highly recommended new antiplatelet agent for the treatment
of patients with acute coronary syndrome at moderate or high ischemic risk. There is a real need for
rapid and accurate analytical methods for ticagrelor determination in biological fluids for pharmacokinetic
studies. In this study, a sensitive and specific LC-MS method was developed and validated
for quantification of ticagrelor and its Active Metabolite (AM) in human plasma over expected clinical
concentrations.
Methods:
Samples were handled by Liquid-Liquid Extraction (LLE). A linear gradient was applied
with a mobile phase composed of formic acid 0.1% and acetonitrile with 0.1% of formic acid using a
C18 reversed-phase column. MS spectra were obtained by electrospray ionization in negative mode
and optimized at 521.4→360.9 m/z, 477.2→361.2 m/z and 528.1→367.9 m/z transitions for ticagrelor,
AM and ticagrelor-d7, respectively.
Results:
This method allowed rapid elution, in less than 4 minutes, and quantification of concentrations
as low as 2 ng/mL for ticagrelor and 1 ng/mL for AM using only 100 μL of human plasma.
LLE using hexane/ethyl acetate (50/50) was an optimal compromise in terms of extraction recovery
and endogenous compounds interference. Trueness values of 87.8% and 89.5% and precisions of
84.1% and 93.8% were obtained for ticagrelor and AM, respectively. Finally, the usefulness of the
method was assessed in a clinical trial where a single 180 mg ticagrelor was orally administered to
healthy male volunteers. Pharmacokinetic parameters of ticagrelor and its active metabolite were
successfully determined.
Conclusion:
A sensitive and specific quantification LC-MS-MS method was developed and validated
for ticagrelor and its active metabolite determination in human plasma. The method was successfully
applied to a clinical trial where a single ticagrelor 180 mg dose was orally administered to
healthy male volunteers. The described method allows quantification of concentrations as low as 2
ng/mL of ticagrelor and 1 ng/mL of the metabolite using only 100 μL of plasma.
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Affiliation(s)
- Niloufar Marsousi
- School of Pharmaceutical sciences, Geneva University, Geneva, Switzerland
| | - Serge Rudaz
- School of Pharmaceutical sciences, Geneva University, Geneva, Switzerland
| | - Jules A. Desmeules
- School of Pharmaceutical sciences, Geneva University, Geneva, Switzerland
| | - Youssef Daali
- School of Pharmaceutical sciences, Geneva University, Geneva, Switzerland
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Zhang M, You X, Ke M, Jiao Z, Wu H, Huang P, Lin C. Prediction of Ticagrelor and its Active Metabolite in Liver Cirrhosis Populations Using a Physiologically Based Pharmacokinetic Model Involving Pharmacodynamics. J Pharm Sci 2019; 108:2781-2790. [PMID: 30928308 DOI: 10.1016/j.xphs.2019.03.028] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Revised: 03/17/2019] [Accepted: 03/19/2019] [Indexed: 12/14/2022]
Abstract
Ticagrelor, a P2Y12 receptor antagonist, has been highly recommended for use in acute coronary syndrome. The major active metabolite (AM) is similar to the parent drug, which exhibits antiplatelet activity. The inhibition of platelet aggregation (IPA) is used as an assay to demonstrate the anticoagulant efficacy of ticagrelor. In this study, we developed a physiologically based pharmacokinetic (PBPK) model to predict the pharmacokinetics of ticagrelor and its AM and combined this model with a pharmacodynamics model to reflect potential pharmacodynamic alterations in liver cirrhosis populations. The simulated results obtained using the PBPK model were validated by fold error values, which were all smaller than 2. Comparisons of exposure in different classifications of liver cirrhosis indicated that exposure to ticagrelor increased significantly with an increase in the degree of cirrhosis severity, whereas exposure to AM was decreased. The total concentration of ticagrelor and AM was related to the IPA included in the Sigmoid Emax model. The PBPK model of ticagrelor and AM could predict the pharmacokinetics of all populations, and a combination of PD models was used to extrapolate for predicting unknown scenarios. Liver cirrhosis may result in prolonged IPA, depending on the severity degree of this disease. The combined PBPK model including IPA can reveal changes in pharmacokinetics and pharmacodynamics in populations affected by liver cirrhosis and indicate the risk potential.
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Affiliation(s)
- Min Zhang
- Department of Pharmacy, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong M. Rd, Fuzhou 350005, People's Republic of China
| | - Xiang You
- Department of Pharmacy, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong M. Rd, Fuzhou 350005, People's Republic of China
| | - Meng Ke
- Department of Pharmacy, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong M. Rd, Fuzhou 350005, People's Republic of China
| | - Zheng Jiao
- Department of Pharmacy, Huashan Hospital of Fudan University, 12 Wu Lu Mu Qi M. Rd, Shanghai 20040, People's Republic of China.
| | - Hongwei Wu
- Department of Antibiotics, Xiamen Institute for Food and Drug Quality Control, 33 Hai Shan. Rd, Xiamen 361012, People's Republic of China
| | - Pinfang Huang
- Department of Pharmacy, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong M. Rd, Fuzhou 350005, People's Republic of China
| | - Cuihong Lin
- Department of Pharmacy, The First Affiliated Hospital of Fujian Medical University, 20 Cha Zhong M. Rd, Fuzhou 350005, People's Republic of China.
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Holmberg MT, Tornio A, Paile-Hyvärinen M, Tarkiainen EK, Neuvonen M, Neuvonen PJ, Backman JT, Niemi M. CYP3A4*22 Impairs the Elimination of Ticagrelor, But Has No Significant Effect on the Bioactivation of Clopidogrel or Prasugrel. Clin Pharmacol Ther 2018; 105:448-457. [PMID: 29998574 DOI: 10.1002/cpt.1177] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 07/03/2018] [Indexed: 11/09/2022]
Abstract
CYP3A enzymes participate in the elimination of ticagrelor and the bioactivation of clopidogrel and prasugrel. We studied the effects of functional CYP3A genetic variants (CYP3A4*22; rs35599367 and CYP3A5*3; rs776746) on the pharmacokinetics and pharmacodynamics of ticagrelor, clopidogrel, and prasugrel. Six healthy volunteers with the CYP3A4*1/*22 and CYP3A5*3/*3 genotype (CYP3A4*22 carriers), eight with the CYP3A4*1/*1 and CYP3A5*1/*3 genotype (CYP3A5 expressors), and 11-13 with the CYP3A4*1/*1 and CYP3A5*3/*3 genotypes (controls) ingested single doses of ticagrelor, clopidogrel, and prasugrel on separate occasions. Ticagrelor area under the plasma concentration-time curve (AUC) was 89% (P = 0.004) higher in CYP3A4*22 carriers than in controls. CYP3A4*22 carriers also showed more pronounced platelet inhibition at 24 hours after ticagrelor ingestion than the controls (43% vs. 21%; P = 0.029). The CYP3A5 genotype did not affect ticagrelor pharmacokinetics. Neither CYP3A5 nor CYP3A4 genotypes significantly affected prasugrel or clopidogrel. In conclusion, the CYP3A4*22 allele markedly impairs ticagrelor elimination enhancing its antiplatelet effect.
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Affiliation(s)
- Mikko T Holmberg
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Aleksi Tornio
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Maria Paile-Hyvärinen
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - E Katriina Tarkiainen
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Mikko Neuvonen
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Pertti J Neuvonen
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Janne T Backman
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
| | - Mikko Niemi
- Department of Clinical Pharmacology, University of Helsinki and HUSLAB, Helsinki University Central Hospital, Helsinki, Finland
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13
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Adamski P, Buszko K, Sikora J, Niezgoda P, Barańska M, Ostrowska M, Paciorek P, Navarese EP, Gorog DA, Kubica J. Metabolism of ticagrelor in patients with acute coronary syndromes. Sci Rep 2018; 8:11746. [PMID: 30082687 PMCID: PMC6078957 DOI: 10.1038/s41598-018-29619-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Accepted: 07/03/2018] [Indexed: 11/10/2022] Open
Abstract
Ticagrelor is a state-of-the-art antiplatelet agent used for the treatment of patients with acute coronary syndromes (ACS). Unlike remaining oral P2Y12 receptor inhibitors ticagrelor does not require metabolic activation to exert its antiplatelet action. Still, ticagrelor is extensively metabolized by hepatic CYP3A enzymes, and AR-C124910XX is its only active metabolite. A post hoc analysis of patient-level (n = 117) pharmacokinetic data pooled from two prospective studies was performed to identify clinical characteristics affecting the degree of AR-C124910XX formation during the first six hours after 180 mg ticagrelor loading dose in the setting of ACS. Both linear and multiple regression analyses indicated that ACS patients presenting with ST-elevation myocardial infarction or suffering from diabetes mellitus are more likely to have decreased rate of ticagrelor metabolism during the acute phase of ACS. Administration of morphine during ACS was found to negatively influence transformation of ticagrelor into AR-C124910XX when assessed with linear regression analysis, but not with multiple regression analysis. On the other hand, smoking appears to increase the degree of ticagrelor transformation in ACS patients. Mechanisms underlying our findings and their clinical significance warrant further research.
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Affiliation(s)
- Piotr Adamski
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland.
| | - Katarzyna Buszko
- Department of Theoretical Foundations of Biomedical Science and Medical Informatics, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Joanna Sikora
- Department of Pharmacology and Therapy, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Piotr Niezgoda
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Malwina Barańska
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Małgorzata Ostrowska
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Przemysław Paciorek
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Eliano P Navarese
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland.,Inova Heart and Vascular Institute, Inova Center for Thrombosis Research and Drug Development, Fairfax, VA, USA.,SIRIO MEDICINE research network, Inova Heart and Vascular Institute, Inova Center for Thrombosis Research and Drug Development, Fairfax, VA, USA
| | - Diana A Gorog
- National Heart & Lung Institute, Imperial College, London, United Kingdom
| | - Jacek Kubica
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
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14
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Bravo I, Álvarez H, Mariño A, Clotet B, Moltó J. Recurrent coronary disease in HIV-infected patients: role of drug-drug interactions. Br J Clin Pharmacol 2018; 84:1617-1619. [PMID: 29663482 DOI: 10.1111/bcp.13583] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/25/2018] [Accepted: 03/05/2018] [Indexed: 01/11/2023] Open
Affiliation(s)
- Iria Bravo
- Internal Medicine Department, University Hospital of Ferrol, A Coruña, Spain
| | - Hortensia Álvarez
- Infectious Diseases Unit, Internal Medicine Department, University Hospital of Ferrol, A Coruña, Spain
| | - Ana Mariño
- Infectious Diseases Unit, Internal Medicine Department, University Hospital of Ferrol, A Coruña, Spain
| | - Bonaventura Clotet
- Fundació Lluita contra la Sida, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Universitat Autònoma de Barcelona (UAB), Barcelona, Spain.,Fundació IrsiCaixa, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Universitat de Vic-Universitat Central de Catalunya (UVIC-UCC), Vic, Spain
| | - José Moltó
- Fundació Lluita contra la Sida, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Infectious Diseases Department, Hospital Universitari Germans Trias i Pujol, Badalona, Spain.,Universitat Autònoma de Barcelona (UAB), Barcelona, Spain
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15
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Danielak D, Karaźniewicz-Łada M, Główka F. Ticagrelor in modern cardiology - an up-to-date review of most important aspects of ticagrelor pharmacotherapy. Expert Opin Pharmacother 2017; 19:103-112. [DOI: 10.1080/14656566.2017.1421634] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dorota Danielak
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
| | - Marta Karaźniewicz-Łada
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
| | - Franciszek Główka
- Department of Physical Pharmacy and Pharmacokinetics, Poznan University of Medical Sciences, Poznań, Poland
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16
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Al-Salama ZT, Keating GM, Keam SJ. Ticagrelor: A Review in Long Term Secondary Prevention of Cardiovascular Events. Drugs 2017; 77:2025-2036. [DOI: 10.1007/s40265-017-0844-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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17
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Abstract
Transporters in proximal renal tubules contribute to the disposition of numerous drugs. Furthermore, the molecular mechanisms of tubular secretion have been progressively elucidated during the past decades. Organic anions tend to be secreted by the transport proteins OAT1, OAT3 and OATP4C1 on the basolateral side of tubular cells, and multidrug resistance protein (MRP) 2, MRP4, OATP1A2 and breast cancer resistance protein (BCRP) on the apical side. Organic cations are secreted by organic cation transporter (OCT) 2 on the basolateral side, and multidrug and toxic compound extrusion (MATE) proteins MATE1, MATE2/2-K, P-glycoprotein, organic cation and carnitine transporter (OCTN) 1 and OCTN2 on the apical side. Significant drug-drug interactions (DDIs) may affect any of these transporters, altering the clearance and, consequently, the efficacy and/or toxicity of substrate drugs. Interactions at the level of basolateral transporters typically decrease the clearance of the victim drug, causing higher systemic exposure. Interactions at the apical level can also lower drug clearance, but may be associated with higher renal toxicity, due to intracellular accumulation. Whereas the importance of glomerular filtration in drug disposition is largely appreciated among clinicians, DDIs involving renal transporters are less well recognized. This review summarizes current knowledge on the roles, quantitative importance and clinical relevance of these transporters in drug therapy. It proposes an approach based on substrate-inhibitor associations for predicting potential tubular-based DDIs and preventing their adverse consequences. We provide a comprehensive list of known drug interactions with renally-expressed transporters. While many of these interactions have limited clinical consequences, some involving high-risk drugs (e.g. methotrexate) definitely deserve the attention of prescribers.
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Affiliation(s)
- Anton Ivanyuk
- Division of Clinical Pharmacology, Lausanne University Hospital (CHUV), Bugnon 17, 1011, Lausanne, Switzerland.
| | - Françoise Livio
- Division of Clinical Pharmacology, Lausanne University Hospital (CHUV), Bugnon 17, 1011, Lausanne, Switzerland
| | - Jérôme Biollaz
- Division of Clinical Pharmacology, Lausanne University Hospital (CHUV), Bugnon 17, 1011, Lausanne, Switzerland
| | - Thierry Buclin
- Division of Clinical Pharmacology, Lausanne University Hospital (CHUV), Bugnon 17, 1011, Lausanne, Switzerland
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18
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Abstract
Drug-drug interactions (DDIs) occur commonly and may lead to severe adverse drug reactions if not handled appropriately. Considerable information to support clinical decision making regarding potential DDIs is available in the literature and through various systems providing electronic decision support for healthcare providers. The challenge for the prescribing physician lies in sorting out the evidence and identifying those drugs for which potential interactions are likely to become clinically manifest. P-glycoprotein (P-gp) is a drug transporting protein that is found in the plasma membranes in cells of barrier and elimination organs, and plays a role in drug absorption and excretion. Increasingly, P-gp has been acknowledged as an important player in potential DDIs and a growing body of information on the role of this transporter in DDIs has become available from research and from the drug approval process. This has led to a clear need for a comprehensive review of P-gp-mediated DDIs with a focus on highlighting the drugs that are likely to lead to clinically relevant DDIs. The objective of this review is to provide information for identifying and interpreting evidence of P-gp-mediated DDIs and to suggest a classification for individual drugs based on both in vitro and in vivo evidence (substrates, inhibitors and inducers). Further, various ways of handling potential DDIs in clinical practice are described and exemplified in relation to drugs interfering with P-gp.
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19
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Smith JM, Flexner C. The challenge of polypharmacy in an aging population and implications for future antiretroviral therapy development. AIDS 2017; 31 Suppl 2:S173-S184. [PMID: 28471948 DOI: 10.1097/qad.0000000000001401] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
: It is estimated that by 2030 nearly three-quarters of persons living with HIV will be 50 years and older. The aging HIV population presents a new clinical concern for HIV providers: adverse effects from polypharmacy. An aging population means more comorbidities and potentially more drug-drug interactions for providers to manage. This review discusses major comorbidities including cardiovascular disease, anticoagulation, hypertension, diabetes mellitus and malignancy and considerations for drug-interactions with antiretrovirals.
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20
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Rosa GM, Bianco D, Valbusa A, Massobrio L, Chiarella F, Brunelli C. Pharmacokinetics and pharmacodynamics of ticagrelor in the treatment of cardiac ischemia. Expert Opin Drug Metab Toxicol 2016; 12:1491-1502. [PMID: 27715344 DOI: 10.1080/17425255.2016.1244524] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Gian Marco Rosa
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
| | - Daniele Bianco
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
| | - Alberto Valbusa
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
| | - Laura Massobrio
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
| | - Francesco Chiarella
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
| | - Claudio Brunelli
- Division of Cardiology, IRCCS AOU San Martino – IST, University of Genoa, Genova, Italy
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21
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Marsousi N, Samer CF, Fontana P, Reny JL, Rudaz S, Desmeules JA, Daali Y. Coadministration of ticagrelor and ritonavir: Toward prospective dose adjustment to maintain an optimal platelet inhibition using the PBPK approach. Clin Pharmacol Ther 2016; 100:295-304. [PMID: 27264793 DOI: 10.1002/cpt.407] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Revised: 05/27/2016] [Accepted: 06/01/2016] [Indexed: 11/09/2022]
Abstract
Ticagrelor is a potent antiplatelet drug metabolized by cytochrome (CYP)3A. It is contraindicated in patients with human immunodeficiency virus (HIV) because of the expected CYP3A inhibition by most protease inhibitors, such as ritonavir and an increased bleeding risk. In this study, a physiologically based pharmacokinetic (PBPK) model was created for ticagrelor and its active metabolite (AM). Based on the simulated interaction between ticagrelor 180 mg and ritonavir 100 mg, a lower dose of ticagrelor was calculated to obtain, when coadministered with ritonavir, the same pharmacokinetic (PK) and platelet inhibition as ticagrelor administered alone. A clinical study was thereafter conducted in healthy volunteers. Observed PK profiles of ticagrelor and its AM were successfully predicted with the model. Platelet inhibition was nearly complete in both sessions despite administration of a fourfold lower dose of ticagrelor in the second session. This PBPK model could be prospectively used to broaden the usage of ticagrelor in patients with ritonavir-treated HIV regardless of the CYP3A inhibition.
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Affiliation(s)
- N Marsousi
- Clinical Pharmacology and Toxicology Service, Geneva University Hospitals, Switzerland.,School of Pharmaceutical Sciences, Geneva University, Switzerland
| | - C F Samer
- Clinical Pharmacology and Toxicology Service, Geneva University Hospitals, Switzerland.,Swiss Center for Applied Human Toxicology (SCAHT), University of Geneva, Switzerland
| | - P Fontana
- Division of Angiology and Haemostasis, Geneva University Hospitals, Switzerland.,Geneva Platelet Group, Faculty of Medicine, University of Geneva, Switzerland
| | - J L Reny
- Geneva Platelet Group, Faculty of Medicine, University of Geneva, Switzerland.,Department of General Internal Medicine, Rehabilitation and Geriatrics, Geneva University Hospitals, Switzerland
| | - S Rudaz
- School of Pharmaceutical Sciences, Geneva University, Switzerland.,Swiss Center for Applied Human Toxicology (SCAHT), University of Geneva, Switzerland
| | - J A Desmeules
- Clinical Pharmacology and Toxicology Service, Geneva University Hospitals, Switzerland.,School of Pharmaceutical Sciences, Geneva University, Switzerland.,Swiss Center for Applied Human Toxicology (SCAHT), University of Geneva, Switzerland
| | - Y Daali
- Clinical Pharmacology and Toxicology Service, Geneva University Hospitals, Switzerland.,School of Pharmaceutical Sciences, Geneva University, Switzerland.,Swiss Center for Applied Human Toxicology (SCAHT), University of Geneva, Switzerland
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22
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Abstract
Despite advancements in treatments for acute coronary syndromes over the last 10 years, they continue to be life-threatening disorders. Currently, the standard of treatment includes dual antiplatelet therapy consisting of aspirin plus a P2Y12 receptor antagonist. The thienopyridine class of P2Y12 receptor antagonists, clopidogrel and prasugrel, have demonstrated efficacy. However, their use is associated with several limitations, including the need for metabolic activation and irreversible P2Y12 receptor binding causing prolonged recovery of platelet function. In addition, response to clopidogrel is variable and efficacy is reduced in patients with certain genotypes. Although prasugrel is a more consistent inhibitor of platelet aggregation than clopidogrel, it is associated with an increased risk of life-threatening and fatal bleeding. Ticagrelor is an oral antiplatelet agent of the cyclopentyltriazolopyrimidine class and also acts through the P2Y12 receptor. In contrast to clopidogrel and prasugrel, ticagrelor does not require metabolic activation and binds rapidly and reversibly to the P2Y12 receptor. In light of new data, this review provides an update on the pharmacokinetic, pharmacodynamic and pharmacogenetic profiles of ticagrelor in different study populations. Recent studies report that no dose adjustment for ticagrelor is required on the basis of age, gender, ethnicity, severe renal impairment or mild hepatic impairment. The non-P2Y12 actions of ticagrelor are reviewed, showing indirect positive effects on cellular adenosine concentration and biological activity, by inhibition of equilibrative nucleoside transporter-1 independently of the P2Y12 receptor. CYP2C19 and ABCB1 genotypes do not appear to influence ticagrelor pharmacodynamics. A summary of drug interactions is also presented.
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23
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Wang ZY, Chen M, Zhu LL, Yu LS, Zeng S, Xiang MX, Zhou Q. Pharmacokinetic drug interactions with clopidogrel: updated review and risk management in combination therapy. Ther Clin Risk Manag 2015; 11:449-67. [PMID: 25848291 PMCID: PMC4373598 DOI: 10.2147/tcrm.s80437] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Background Coprescribing of clopidogrel and other drugs is common. Available reviews have addressed the drug–drug interactions (DDIs) when clopidogrel is as an object drug, or focused on combination use of clopidogrel and a special class of drugs. Clinicians may still be ignorant of those DDIs when clopidogrel is a precipitant drug, the factors determining the degree of DDIs, and corresponding risk management. Methods A literature search was performed using PubMed, MEDLINE, Web of Science, and the Cochrane Library to analyze the pharmacokinetic DDIs of clopidogrel and new P2Y12 receptor inhibitors. Results Clopidogrel affects the pharmacokinetics of cerivastatin, repaglinide, ferulic acid, sibutramine, efavirenz, and omeprazole. Low efficacy of clopidogrel is anticipated in the presence of omeprazole, esomeprazole, morphine, grapefruit juice, scutellarin, fluoxetine, azole antifungals, calcium channel blockers, sulfonylureas, and ritonavir. Augmented antiplatelet effects are anticipated when clopidogrel is coprescribed with aspirin, curcumin, cyclosporin, St John’s wort, rifampicin, and angiotensin-converting enzyme inhibitors. The factors determining the degree of DDIs with clopidogrel include genetic status (eg, cytochrome P540 [CYP]2B6*6, CYP2C19 polymorphism, CYP3A5*3, CYP3A4*1G, and CYP1A2-163C.A), species differences, and dose strength. The DDI risk does not exhibit a class effect, eg, the effects of clopidogrel on cerivastatin versus other statins, the effects of proton pump inhibitors on clopidogrel (omeprazole, esomeprazole versus pantoprazole, rabeprazole), the effects of rifampicin on clopidogrel versus ticagrelor and prasugrel, and the effects of calcium channel blockers on clopidogrel (amlodipine versus P-glycoprotein-inhibiting calcium channel blockers). The mechanism of the DDIs with clopidogrel involves modulating CYP enzymes (eg, CYP2B6, CYP2C8, CYP2C19, and CYP3A4), paraoxonase-1, hepatic carboxylesterase 1, P-glycoprotein, and organic anion transporter family member 1B1. Conclusion Effective and safe clopidogrel combination therapy can be achieved by increasing the awareness of potential changes in efficacy and toxicity, rationally selecting alternatives, tailoring drug therapy based on genotype, checking the appropriateness of physician orders, and performing therapeutic monitoring.
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Affiliation(s)
- Zhi-Yu Wang
- Department of Pharmacy, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Meng Chen
- Department of Pharmacy, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Ling-Ling Zhu
- VIP Care Ward, Division of Nursing, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Lu-Shan Yu
- Department of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Su Zeng
- Department of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Mei-Xiang Xiang
- Department of Cardiology, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
| | - Quan Zhou
- Department of Pharmacy, the Second Affiliated Hospital, School of Medicine, Zhejiang University, Zhejiang University, Hangzhou, Zhejiang Province, People's Republic of China
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24
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Dobesh PP, Oestreich JH. Ticagrelor: pharmacokinetics, pharmacodynamics, clinical efficacy, and safety. Pharmacotherapy 2014; 34:1077-90. [PMID: 25164528 PMCID: PMC4282310 DOI: 10.1002/phar.1477] [Citation(s) in RCA: 139] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Dual antiplatelet therapy, composed of aspirin plus a P2Y12-receptor antagonist, is the cornerstone of treatment for patients with acute coronary syndrome (ACS). A number of U.S. Food and Drug Administration–approved P2Y12-receptor antagonists are available for treating patients with ACS, including the thienopyridine compounds clopidogrel and prasugrel. Ticagrelor, the first of a new class of antiplatelet agents, is a noncompetitive, direct-acting P2Y12-receptor antagonist. Unlike the thienopyridine compounds, ticagrelor does not require metabolism for activity. Also, whereas clopidogrel and prasugrel are irreversible inhibitors of the P2Y12 receptor, ticagrelor binds reversibly to inhibit receptor signaling and subsequent platelet activation. In pharmacodynamic studies, ticagrelor demonstrated faster onset and more potent inhibition of platelet aggregation than clopidogrel. These properties of ticagrelor may contribute to reduced rates of thrombotic outcomes compared with clopidogrel, as demonstrated in a phase III clinical trial. However, in addition to bleeding, distinctive adverse effects of this new chemical entity have not been reported with the thienopyridine P2Y12-receptor inhibitors. Although ticagrelor represents an advancement in P2Y12-receptor inhibition therapy, a thorough understanding of this compound as an antiplatelet therapy remains to be elucidated.
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Affiliation(s)
- Paul P Dobesh
- College of Pharmacy, University of Nebraska Medical Center, Omaha, Nebraska
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