1
|
Abstract
INTRODUCTION Platelets play a key role in arterial thrombosis and antiplatelet therapy is pivotal in the treatment of cardiovascular disease. Current antiplatelet drugs target different pathways of platelet activation and show specific pharmacodynamic and pharmacokinetic characteristics, implicating clinically relevant drug-drug interactions. AREAS COVERED This article reviews the role of platelets in hemostasis and cardiovascular thrombosis, and discusses the key pharmacodynamics, drug-drug interactions and reversal strategies of clinically used antiplatelet drugs. EXPERT OPINION Antiplatelet therapies target distinct pathways of platelet activation: thromboxane A2 synthesis, adenosine diphosphate-mediated signaling, integrin αIIbβ3 (GPIIb/IIIa), thrombin-mediated platelet activation via the PAR1 receptor and phosphodiesterases. Key clinical drug-drug interactions of antiplatelet agents involve acetylsalicylic acid - ibuprofen, clopidogrel - omeprazole, and morphine - oral P2Y12 inhibitors, all of which lead to an attenuated antiplatelet effect. Platelet function and genetic testing and the use of scores (ARC-HBR, PRECISE-DAPT, ESC ischemic risk definition) may contribute to a more tailored antiplatelet therapy. High on-treatment platelet reactivity presents a key problem in the acute management of ST-elevation myocardial infarction (STEMI). A treatment strategy involving early initiation of an intravenous antiplatelet agent may be able to bridge the gap of insufficient platelet inhibition in high ischemic risk patients with STEMI.
Collapse
Affiliation(s)
- Georg Gelbenegger
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| | - Bernd Jilma
- Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
| |
Collapse
|
2
|
Wang J, Zhang H, Wang R, Cai Y. Pharmacokinetics, Bioequivalence and Safety Evaluation of Two Ticagrelor Tablets Under Fasting and Fed Conditions in Healthy Chinese Subjects. Drug Des Devel Ther 2021; 15:1181-1193. [PMID: 33758499 PMCID: PMC7979338 DOI: 10.2147/dddt.s297918] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/01/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose To evaluate the pharmacokinetics (PK), bioequivalence and safety profiles of test drug and reference drug of 90 mg ticagrelor tablets and their main active metabolite AR-C124910XX under fasting and fed conditions. Methods This was a randomized, open-label, single-dose, two-period, two-sequence, and two-treatment crossover study. Subjects were randomized and evenly administered with a single dose of test drug or reference drug of 90 mg ticagrelor tablets orally under fasting or fed conditions with a 7-day washout period. The primary PK parameters were calculated with non-compartmental model, including peak concentration (Cmax), area under the curve (AUC) from zero to last quantifiable concentration (AUC0-t), and AUC from zero to infinity (AUC0-∞). Bioequivalence was judged by whether the 90% confidence intervals (CIs) of the geometric mean ratio (GMR) of the test/reference drugs were within the predefined range of 80-125%. Adverse events (AEs) were assessed as safety endpoints. Results Eighty healthy Chinese subjects (fasting condition: n=40; fed condition: n=40) were enrolled, but two withdrew for personal reasons. As for PK parameters, there was no statistical difference (P>0.05) between the test and reference drugs under both conditions. As for bioequivalence, the 90% CIs of GMR for Cmax, AUC0-t and AUC0-∞ all fell within 80%-125% regardless of food intake or not. No severe adverse events were observed in the study. Chinese clinical trial registration number is ChiCTR1800015091 (http://www.chictr.org.cn). Conclusion Our results demonstrated that the test drug and the reference drug of ticagrelor tablets were bioequivalent. The PK and safety profiles were also similar regardless of food intake or not in healthy Chinese subjects.
Collapse
Affiliation(s)
- Jin Wang
- Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, Beijing, 100853, People's Republic of China
| | - Huan Zhang
- Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, Beijing, 100853, People's Republic of China
| | - Rui Wang
- Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, Beijing, 100853, People's Republic of China
| | - Yun Cai
- Center of Medicine Clinical Research, Department of Pharmacy, PLA General Hospital, Beijing, 100853, People's Republic of China
| |
Collapse
|
3
|
Ostrowska M, Kubica J, Adamski P, Kubica A, Eyileten C, Postula M, Toma A, Hengstenberg C, Siller-Matula JM. Stratified Approaches to Antiplatelet Therapies Based on Platelet Reactivity Testing. Front Cardiovasc Med 2019; 6:176. [PMID: 31850373 PMCID: PMC6901499 DOI: 10.3389/fcvm.2019.00176] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 11/14/2019] [Indexed: 01/17/2023] Open
Abstract
Antiplatelet therapy with P2Y12 receptor inhibitors (clopidogrel, prasugrel, ticagrelor, cangrelor) is a cornerstone of medical therapy after percutaneous coronary interventions. Significant prevalence of high on-treatment platelet reactivity (HTPR) on clopidogrel treatment led to introduction of more potent P2Y12 inhibitors: prasugrel (a third generation thienopyridine), ticagrelor, and cangrelor (cyclopentyl-triazolo-pyrimidines). Nevertheless, more potent platelet inhibition and resulting low on-treatment platelet reactivity (LTPR) has led to increased risk of major bleeding events. These limitations resulted in a need for an individualized antiplatelet therapy approach. This review discusses the current role and future perspectives of diagnostic tools such as platelet function testing to optimize antiplatelet therapy with a focus on deescalating therapies to reduce bleeding risks.
Collapse
Affiliation(s)
- Małgorzata Ostrowska
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Jacek Kubica
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Piotr Adamski
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Aldona Kubica
- Department of Health Promotion, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Ceren Eyileten
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Warsaw, Poland
| | - Marek Postula
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Warsaw, Poland
| | - Aurel Toma
- Department of Cardiology, Medical University of Vienna, Vienna, Austria
| | | | - Jolanta M Siller-Matula
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology (CEPT), Medical University of Warsaw, Warsaw, Poland.,Department of Cardiology, Medical University of Vienna, Vienna, Austria
| |
Collapse
|
4
|
Amilon C, Niazi M, Berggren A, Åstrand M, Hamrén B. Population Pharmacokinetics/Pharmacodynamics of Ticagrelor in Children with Sickle Cell Disease. Clin Pharmacokinet 2019; 58:1295-1307. [DOI: 10.1007/s40262-019-00758-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
|
5
|
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
| |
Collapse
|
6
|
Adamski P, Sikora J, Laskowska E, Buszko K, Ostrowska M, Umińska JM, Sikora A, Skibińska N, Sobczak P, Adamska U, Rość D, Kubica A, Paciorek P, Marszałł MP, Navarese EP, Gorog DA, Kubica J. Comparison of bioavailability and antiplatelet action of ticagrelor in patients with ST-elevation myocardial infarction and non-ST-elevation myocardial infarction: A prospective, observational, single-centre study. PLoS One 2017; 12:e0186013. [PMID: 29023473 PMCID: PMC5638327 DOI: 10.1371/journal.pone.0186013] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2017] [Accepted: 09/22/2017] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Data from available studies suggest that the presence of ST-elevation myocardial infarction (STEMI) may be associated with delayed and attenuated ticagrelor bioavailability and effect compared with non-ST-elevation myocardial infarction (NSTEMI). METHODS In a single-center, prospective, observational trial 73 patients with myocardial infarction (STEMI n = 49, NSTEMI n = 24) underwent a pharmacokinetic and pharmacodynamic assessment after a 180 mg ticagrelor loading dose (LD). Ticagrelor and its active metabolite (AR-C124910XX) plasma concentrations were determined with liquid chromatography tandem mass spectrometry, and their antiplatelet effect was measured with the VASP assay and multiple electrode aggregometry. RESULTS During the first six hours after ticagrelor LD, STEMI patients had 38% and 34% lower plasma concentration of ticagrelor and AR-C124910XX, respectively, than NSTEMI (ticagrelor AUC(0-6): 2491 [344-5587] vs. 3991 [1406-9284] ng*h/mL; p = 0.038; AR-C124910XX AUC(0-6): 473 [0-924] vs. 712 [346-1616] ng*h/mL; p = 0.027). STEMI patients also required more time to achieve maximal concentration of ticagrelor (tmax: 4.0 [3.0-12.0] vs. 2.5 [2.0-6.0] h; p = 0.012). Impaired bioavailability of ticagrelor and AR-C124910XX seen in STEMI subjects was associated with diminished platelet inhibition in this group, which was most pronounced during the initial hours of treatment. CONCLUSIONS Plasma concentrations of ticagrelor and AR-C124910XX during the first hours after ticagrelor LD were one third lower in STEMI than in NSTEMI patients. This reduced and delayed ticagrelor bioavailability was associated with weaker antiplatelet effect in STEMI. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov identifier: NCT02602444 (November 09, 2015).
Collapse
Affiliation(s)
- Piotr Adamski
- Department of Principles of Clinical Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
- * E-mail:
| | - Joanna Sikora
- Department of Pharmacology and Therapy, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Ewa Laskowska
- Department of Principles of Clinical 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
| | - Małgorzata Ostrowska
- Department of Principles of Clinical Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Julia M. Umińska
- Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Adam Sikora
- Department of Medicinal Chemistry, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Natalia Skibińska
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Przemysław Sobczak
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Urszula Adamska
- Chair of Dermatology, Sexually Transmitted Diseases and Immunodermatology, Faculty of Medicine, Nicolaus Copernicus University in Toruń, Poland
| | - Danuta Rość
- Department of Pathophysiology, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Aldona Kubica
- Department of Health Promotion, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Przemysław Paciorek
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Michał P. Marszałł
- Department of Medicinal Chemistry, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | | | - 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
| |
Collapse
|
7
|
Adamski P, Ostrowska M, Sikora J, Obońska K, Buszko K, Krintus M, Sypniewska G, Marszałł MP, Koziński M, Kubica J. Comparison of Ticagrelor Pharmacokinetics and Pharmacodynamics in STEMI and NSTEMI Patients (PINPOINT): protocol for a prospective, observational, single-centre study. BMJ Open 2017; 7:e013218. [PMID: 28446521 PMCID: PMC5541360 DOI: 10.1136/bmjopen-2016-013218] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
INTRODUCTION The most common classification of acute myocardial infarction (AMI) is based on electrocardiographic findings and distinguishes ST-elevation myocardial infarction (STEMI) and non-ST-elevation myocardial infarction (NSTEMI). Both types of AMI differ concerning their epidemiology, clinical approach and early outcomes. Ticagrelor is a P2Y12 receptor inhibitor, constituting the first-line treatment for STEMI and NSTEMI. According to available data, STEMI may be associated with lower plasma concentration of ticagrelor in the first hours of AMI, but currently there are no studies directly comparing ticagrelor pharmacokinetics or antiplatelet effect in patients with STEMI versus NSTEMI. METHODS AND ANALYSIS The PINPOINT study is a phase IV, single-centre, investigator-initiated, prospective, observational study designed to compare the pharmacokinetics and pharmacodynamics of ticagrelor in patients with STEMI and NSTEMI assigned to the invasive strategy of treatment. Based on an internal pilot study, the trial is expected to include at least 23 patients with each AMI type. All subjects will receive a 180 mg loading dose of ticagrelor. The primary end point of the study is the area under the plasma concentration-time curve (AUC(0-6)) for ticagrelor during the first 6 hours after the loading dose. Secondary end points include various pharmacokinetic features of ticagrelor and its active metabolite (AR-C124910XX), and evaluation of platelet reactivity by the vasodilator-stimulated phosphoprotein assay and multiple electrode aggregometry. Blood samples for the pharmacokinetic and pharmacodynamic assessment will be obtained at pretreatment, 30 min, 1, 2, 3, 4, 6 and 12 hours post-ticagrelor loading dose. ETHICS AND DISSEMINATION The study received approval from the Local Ethics Committee (Komisja Bioetyczna Uniwersytetu Mikołaja Kopernika w Toruniu przy Collegium Medicum im. Ludwika Rydygiera w Bydgoszczy; approval reference number KB 617/2015). The study results will be disseminated through conference presentations and peer-reviewed journals. TRIAL REGISTRATION NUMBER NCT02602444; Pre-results.
Collapse
Affiliation(s)
- Piotr Adamski
- Department of Principles of Clinical Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Małgorzata Ostrowska
- Department of Principles of Clinical Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Joanna Sikora
- Department of Pharmacology and Therapy, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Karolina Obońska
- 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
| | - Magdalena Krintus
- Department of Laboratory Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Grażyna Sypniewska
- Department of Laboratory Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Michał Piotr Marszałł
- Department of Medicinal Chemistry, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Marek Koziński
- Department of Principles of Clinical Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| | - Jacek Kubica
- Department of Cardiology and Internal Medicine, Collegium Medicum, Nicolaus Copernicus University, Bydgoszcz, Poland
| |
Collapse
|
8
|
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.
Collapse
|
9
|
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.
Collapse
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
| |
Collapse
|
10
|
Han S, Wei F, Huang J, Wang S. Characterization of Compounds Acting on the α1A Adrenergic Receptor fromCaulis spatholobiby Cell Membrane Chromatography with Possible Application for Treatment of Benign Prostatic Hyperplasia. ANAL LETT 2014. [DOI: 10.1080/00032719.2014.883524] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
|
11
|
|
12
|
Davis EM, Knezevich JT, Teply RM. Advances in antiplatelet technologies to improve cardiovascular disease morbidity and mortality: a review of ticagrelor. Clin Pharmacol 2013; 5:67-83. [PMID: 23650452 PMCID: PMC3640601 DOI: 10.2147/cpaa.s41859] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Antiplatelet therapy is widely used with proven benefit for the prevention of further ischemic cardiac complications in patients with acute coronary syndrome. Treatment guidelines for acute coronary syndrome and percutaneous coronary intervention now recommend the use of oral antiplatelet agents including ticagrelor, prasugrel, or clopidogrel in combination with aspirin to comprise dual antiplatelet therapy for the prevention of recurrent ischemic events. The limitations of conventional antiplatelet therapy with clopidogrel or prasugrel include the potential for low response to clopidogrel identified through platelet reactivity or genetic testing, increased risk of bleeding with prasugrel, or slower return to normal platelet activity in patients who received either prasugrel or clopidogrel prior to emergent or planned surgical procedures. This review will discuss the pharmacokinetic and pharmacodynamic properties of ticagrelor in comparison to conventional P2Y12 receptor inhibitors and its utility in patients identified as low responders to clopidogrel. Completed clinical studies and substudies comparing ticagrelor to clopidogrel and ongoing clinical trials evaluating ticagrelor in acute coronary syndrome patients will also be reviewed.
Collapse
Affiliation(s)
- Estella M Davis
- Department of Pharmacy Practice, Creighton University School of Pharmacy and Health Professions, Omaha, NE, USA
| | - Jon T Knezevich
- Department of Pharmacy Practice, Creighton University School of Pharmacy and Health Professions, Omaha, NE, USA
| | - Robyn M Teply
- Department of Pharmacy Practice, Creighton University School of Pharmacy and Health Professions, Omaha, NE, USA
| |
Collapse
|