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Jin CD, Kim MH, Song K, Jin X, Lee KM, Park JS, Cho YR, Yun SC, Lee MS. Pharmacodynamics and Outcomes of a De-Escalation Strategy with Half-Dose Prasugrel or Ticagrelor in East Asians Patients with Acute Coronary Syndrome: Results from HOPE-TAILOR Trial. J Clin Med 2021; 10:2699. [PMID: 34207339 PMCID: PMC8234416 DOI: 10.3390/jcm10122699] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/14/2021] [Accepted: 06/17/2021] [Indexed: 11/16/2022] Open
Abstract
East Asians treated with potent P2Y12 inhibitors (prasugrel or ticagrelor) generally experience more intense platelet inhibitory responses resulting in an increased risk of major bleeding. Whether a half-dose de-escalation strategy improves the net clinical benefit in Korean patients with acute coronary syndrome (ACS) remains uncertain. A total of 120 patients were pragmatically randomized to either prasugrel (n = 39, 60 mg loading dose (LD)/10 mg maintenance dose (MD)), ticagrelor (n = 40, 180 mg LD/90 mg MD), or clopidogrel (n = 41, 600 mg LD/75 mg MD) followed by a half-dose reduction at 1 month, or conventional dose 75 mg clopidogrel. The primary endpoint was the incidence of optimal platelet reactivity (OPR), defined as a P2Y12 reaction unit (PRU) value between 85 and 208 (by VerifyNow) at 3 months. Ticagrelor treatment achieved a significantly lower PRU compared with prasugrel and clopidogrel (31.0 ± 34.5 vs. 93.2 ± 57.1 vs. 153.1 ± 69.4), resulting in the lowest rate of OPR (12.5% vs. 48.7% vs. 63.4%). At 9 months, the minor bleeding was significantly higher with potent P2Y12 inhibitors than with clopidogrel (31.6% vs. 12.2%; HR, 2.93; 95% CI, 1.12-7.75). Only a few patients experienced ischemic complications. In Korean ACS patients, a de-escalation strategy with half-dose ticagrelor and prasugrel from standard dose increased the OPR rate significantly. Half-dose ticagrelor had a lower OPR rate and greater platelet inhibition compared with half-dose prasugrel as well as conventional-dose clopidogrel. Optimal dose reduction strategies for potent P2Y12 inhibitors require further investigation to balance safety and efficacy.
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Affiliation(s)
- Cai-De Jin
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
- Department of Cardiology, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China
| | - Moo-Hyun Kim
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Kai Song
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Xuan Jin
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Kwang-Min Lee
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Jong-Sung Park
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Young-Rak Cho
- Department of Cardiology, Dong-A University Hospital, Busan 49201, Korea; (C.-D.J.); (K.S.); (X.J.); (K.-M.L.); (J.-S.P.); (Y.-R.C.)
| | - Sung-Cheol Yun
- Department of Clinical Epidemiology and Biostatistics, Asan Medical Center, University of Ulsan College of Medicine, Seoul 05505, Korea;
| | - Michael S. Lee
- Division of Cardiology, UCLA Medical Center, Los Angeles, CA 90095, USA;
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Zhang YR, Xue ZK, Chen KY, Xu LX, Wang WD, Tao HY, Liu T, Che JJ, Wang XW, Rha SW, Wang JR, Wang P. Loading doses of ticagrelor versus clopidogrel in preventing periprocedural myocardial infarction in Asian patients with acute coronary syndrome. Perfusion 2020; 36:122-129. [PMID: 32522095 DOI: 10.1177/0267659120927857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Periprocedural myocardial infarction is a common complication following percutaneous coronary intervention. The present study was conducted with an aim to compare the safety and efficacy of loading doses of ticagrelor versus clopidogrel in preventing periprocedural myocardial infarction in Asian patients with acute coronary syndrome undergoing elective percutaneous coronary intervention. METHODS A total of 114 patients with acute coronary syndrome undergoing elective percutaneous coronary intervention were assigned to clopidogrel group (n = 57, the loading and maintenance doses were 300 and 75 mg qd for clopidogrel, and 300 and 100 mg qd for aspirin), or ticagrelor group (n = 57, the loading and maintenance doses were 180 and 90 mg bid for ticagrelor, and 300 and 100 mg qd for aspirin). Cardiac biomarkers were measured before, 8 hours, and 24 hours after percutaneous coronary intervention. The percutaneous coronary intervention-related periprocedural myocardial infarction was defined according to the fourth universal definition of myocardial infarction (2018). RESULTS The overall incidence of percutaneous coronary intervention-related periprocedural myocardial infarction was 21.1%. The ticagrelor group showed a significantly lower incidence of periprocedural myocardial infarction (12.3% vs 29.8%, p = 0.022) and numerically lower bleeding events (3.5% vs 8.8%, p = 0.242) as compared with clopidogrel group. No patient had major adverse cardiovascular events during the 1-month follow-up. The levels of high-sensitivity C-reactive protein did not differ significantly between the two groups (p > 0.05), indicating that the benefits of ticagrelor were not from its anti-inflammatory effects. Multivariable analysis showed that the use of ticagrelor (odds ratio: 0.50; 95% confidence interval: 0.29-0.87; p = 0.014) and number of stents (odds ratio: 2.75; 95% confidence interval: 1.25-6.06; p = 0.012) were independent predictors of periprocedural myocardial infarction. CONCLUSION Pretreatment with a loading dose of ticagrelor seems to be superior in reducing the incidence of percutaneous coronary intervention-related periprocedural myocardial infarction in Asian patients with acute coronary syndrome as compared with clopidogrel.
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Affiliation(s)
- Ya-Ru Zhang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Zheng-Kai Xue
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Kang-Yin Chen
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Ling-Xia Xu
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Wei-Ding Wang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Hua-Yue Tao
- The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Tong- Liu
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Jing-Jin Che
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Xue-Wen Wang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Seung-Woon Rha
- Cardiovascular Center, Korea University Guro Hospital, Seoul, Republic of Korea
| | - Jia-Rui Wang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Peng- Wang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
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Jin CD, Kim MH, Guo LZ, Jin E, Shin ES, Ann SH, Cho YR, Park JS, Kim SJ, Lee MS. Pharmacodynamic study of prasugrel or clopidogrel in non-ST-elevation acute coronary syndrome with CYP2C19 genetic variants undergoing percutaneous coronary intervention (PRAISE-GENE trial). Int J Cardiol 2020; 305:11-17. [DOI: 10.1016/j.ijcard.2020.01.058] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 01/12/2020] [Accepted: 01/24/2020] [Indexed: 11/26/2022]
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Guo CG, Chen L, Chan EW, Cheung KS, Isshiki T, Wong ICK, Leung WK. Systematic review with meta-analysis: the risk of gastrointestinal bleeding in patients taking third-generation P2Y 12 inhibitors compared with clopidogrel. Aliment Pharmacol Ther 2019; 49:7-19. [PMID: 30506985 DOI: 10.1111/apt.15059] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Revised: 09/26/2018] [Accepted: 10/19/2018] [Indexed: 12/13/2022]
Abstract
BACKGROUND Ticagrelor and prasugrel are third-generation oral P2Y12 receptor antagonists with rapid onset and pronounced platelet inhibition. However, higher overall bleeding rates have been reported for these agents when compared with clopidogrel. AIM To compare the risk of gastrointestinal bleeding (GIB) among users of third-generation P2Y12 inhibitors with clopidogrel. METHODS We systematically searched for published randomised controlled trials of ticagrelor or prasugrel versus clopidogrel until September 2018. The primary outcome was the risk of GIB among users of third-generation P2Y12 inhibitors when compared to clopidogrel, expressed as risk ratio (RR) and 95% confidence interval (CI). The rates of non-coronary artery bypass graft (CABG) major bleeding, life-threatening bleeding, fatal bleeding, and intracranial bleeding were analysed as secondary outcomes. RESULTS Forty-one studies were included in the analysis of non-CABG major bleeding, of which 12 were included in the analysis of GIB including 58 678 patients. Third-generation P2Y12 inhibitors were associated with higher risk of GIB as compared with clopidogrel (RR 1.28, 95% CI 1.13-1.46). The findings were consistent for upper (RR 1.32, 95% CI 1.05-1.67) and unspecified GIB (RR 1.25, 95% CI 1.01-1.53), but not lower GIB (RR 1.25, 95% CI 0.95-1.65). Subgroup analysis showed higher GIB risk in prasugrel studies (RR 1.40, 95% CI 1.10-1.77) than in ticagrelor studies (RR 1.15, 95% CI 0.94-1.39). Third-generation P2Y12 inhibitors also increased the risk of non-CABG major bleeding (RR 1.18, 95% CI 1.08-1.28). CONCLUSION Third-generation P2Y12 inhibitors were associated with increased risk of GIB and non-CABG major bleeding when compared with clopidogrel.
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Affiliation(s)
- Chuan-Guo Guo
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Lijia Chen
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Esther W Chan
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Ka Shing Cheung
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Takaaki Isshiki
- Cardiovascular Center, Ageo Central General Hospital, Ageo, Saitama, Japan
| | - Ian C K Wong
- Department of Pharmacology and Pharmacy, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
| | - Wai K Leung
- Department of Medicine, Li Ka Shing Faculty of Medicine, University of Hong Kong, Hong Kong, China
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