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The Use Pattern and Clinical Impact of New Antiplatelet Agents Including Prasugrel and Ticagrelor on 30-day Outcomes after Acute Myocardial Infarction in Korea: Korean Health Insurance Review and Assessment Data.

ABSTRACT: Despite the favorable efficacy of new antiplatelet agents demonstrated in randomized controlled trials, their clinical implications in Korea are unclear. The purpose of this study was to investigate trends in antiplatelet agent use for acute myocardial infarction (AMI) and their impact on 30-day clinical outcomes.AMI patients undergoing percutaneous coronary intervention between 2010 and 2015 were assessed using claim data from the Health Insurance Review and Assessment Service.The use of new antiplatelet agents has rapidly increased since 2013 and has been preferred over clopidogrel (Plavix; Bristol-Myers Squibb/Sanofi Pharmaceuticals) since 2015. Both prasugrel (Effient; Eli Lilly and Company) (odds ratio [OR], 0.45; 95% confidence interval [CI], 0.31-0.67; p<0.001) and ticagrelor (Brilinta; AstraZeneca Pharmaceuticals LP) (OR, 0.84; 95% CI, 0.71-0.98; p=0.032) had an independent effect on lowering 30-day mortality in a weighted multivariable logistic regression model. However, new antiplatelet agents had no significant effect on other clinical outcomes including myocardial infarction, stroke, bleeding, and readmission within 30 days.The use of new antiplatelet agents is rapidly increasing, and they have been used more commonly than clopidogrel since 2015. We demonstrated that new antiplatelet agents have a favorable effect on reducing 30-day mortality in AMI patients in Korea.

SUBMITTER: Kim C

PROVIDER: S-EPMC5711681 | biostudies-other | 2017 Nov

REPOSITORIES: biostudies-other

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The Use Pattern and Clinical Impact of New Antiplatelet Agents Including Prasugrel and Ticagrelor on 30-day Outcomes after Acute Myocardial Infarction in Korea: Korean Health Insurance Review and Assessment Data.

Kim Choongki C Shin Dong Ho DH Ahn Chul Min CM Kim Jung Sun JS Kim Byeong Keuk BK Ko Young Guk YG Choi Donghoon D Hong Myeong Ki MK Park Juhee J Lee Hyeyeong H Choi Yoon Jung YJ Choi Youn Song YS Oh Sang Kwon SK Jang Yangsoo Y

Korean circulation journal 20170912 6

<h4>Background and objectives</h4>Despite the favorable efficacy of new antiplatelet agents demonstrated in randomized controlled trials, their clinical implications in Korea are unclear. The purpose of this study was to investigate trends in antiplatelet agent use for acute myocardial infarction (AMI) and their impact on 30-day clinical outcomes.<h4>Methods</h4>AMI patients undergoing percutaneous coronary intervention between 2010 and 2015 were assessed using claim data from the Health Insuran ...[more]

PMID: 29035430

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Project description:BackgroundData are lacking on the effects of the alternation of P2Y12 receptor antagonists (P2Y12) on bleeding and outcome in patients with myocardial infarction (MI) with cardiogenic shock (CS). We compared the effects of different P2Y12 and alternation of P2Y12 (combination) on bleeding and outcome in patients with MI and CS.MethodsData from 247 patients divided into four groups: clopidogrel, ticagrelor, prasugrel, and the combination group, were analyzed. The association between P2Y12 and bleeding as well as 30-day and one-year mortality was examined.ResultsThe highest bleeding rate was observed in patients in the combination group, followed by the clopidogrel, ticagrelor, and prasugrel groups [12(50%) patients, 22(28.2%), 21(18.3%) and 4(13.3%), respectively; p = 0.003]. Bleeding occurred with a similar frequency in the combination and clopidogrel groups (p = 0.081), but more frequently than in the ticagrelor and prasugrel groups (p = 0.002 and p = 0.006, respectively). Bleeding rates were similar in patients receiving P2Y12 alone (p = 0.13). Compared to clopidogrel, both ticagrelor and prasugrel had a lower bleeding risk (aOR: 0.40; 95% CI: 0.18-0.92; p = 0.032 and aOR: 0.20; 95% CI: 0.05-0.85; p = 0.029, respectively) and the combination had a similar bleeding risk (aOR: 2.31; 95% CI: 0.71-7.48; p = 0.16). The ticagrelor and prasugrel groups had more than an 80% and 90% lower bleeding risk than the combination group (aOR: 0.17; 95% CI: 0.06-0.55; p = 0.003 and aOR: 0.09; 95% CI: 0.02-0.44; p = 0.003, respectively). The unadjusted 30-day and one-year mortality were highest in the clopidogrel group, followed by the ticagrelor, prasugrel, and combination groups (44(56.4%) and 55(70.5%) patients died in the clopidogrel group, 53(46.1%) and 56(48.7%) in the ticagrelor group, 12(40%) and 14(46.7%) patients died in the prasugrel, and 6(25%) and 9(37.5%) patients died in the combination group; p = 0.045 and p < 0.0001. After adjustment for confounders, the P2Y12 groups were not independently associated with either 30-day (p = 0.23) or one-year (p = 0.17) mortality risk.ConclusionOur results suggest that the choice of P2Y12 was not associated with treatment outcome. The combination of P2Y12 increased bleeding risk compared with ticagrelor and prasugrel and was comparable to clopidogrel in patients with MI and CS. However, these higher bleeding rates did not result in worse treatment outcomes.

Project description:Background Evidence-based medication adherence rates after a myocardial infarction are low. We hypothesized that 90-day prescriptions are underused and may lead to higher evidence-based medication adherence compared with 30-day fills. Methods and Results We examined patients with myocardial infarction treated with percutaneous coronary intervention between 2011 and 2015 in the National Cardiovascular Data Registry. Linking to Symphony Health pharmacy data, we described the prevalence of patients filling 30-day versus 90-day prescriptions of statins, β-blockers, angiotensin-converting enzyme inhibitors/angiotensin receptor blockers, and P2Y12 inhibitors after discharge. We compared 12-month medication adherence rates by evidence-based medication class and prescription days' supply and rates of medication switches and dosing changes. Among 353 259 patients with myocardial infarction treated with percutaneous coronary intervention, 90-day evidence-based medication fill rates were low: 13.0% (statins), 12.3% (β-blockers), 14.6% (angiotensin-converting enzyme inhibitors/angiotensin receptor blockers), and 9.7% (P2Y12 inhibitors). Patients filling 90-day prescriptions were more likely older (median 69 versus 62 years) with a history of prior myocardial infarction (25.0% versus 17.9%) or percutaneous coronary intervention (30.3% versus 19.5%; P<0.01 for all) than patients filling 30-day prescriptions. The 12-month adherence rates were higher for patients who filled 90-day versus 30-day supplies: statins, 83.1% versus 75.3%; β-blockers, 72.7% versus 62.9%; angiotensin-converting enzyme inhibitors/angiotensin receptor blockers, 71.1% versus 60.9%; and P2Y12 inhibitors, 78.5% versus 66.6% (P<0.01 for all). Medication switches and dosing changes within 12 months were infrequent for patients filling 30-day prescriptions-14.7% and 0.3% for 30-day P2Y12 inhibitor fills versus 6.3% and 0.2% for 90-day fills, respectively. Conclusions Patients who filled 90-day prescriptions had higher adherence and infrequent medication changes within 1 year after discharge. Ninety-day prescription strategies should be encouraged to improve post-myocardial infarction medication adherence.

Dataset Information

The Use Pattern and Clinical Impact of New Antiplatelet Agents Including Prasugrel and Ticagrelor on 30-day Outcomes after Acute Myocardial Infarction in Korea: Korean Health Insurance Review and Assessment Data.

Publications

The Use Pattern and Clinical Impact of New Antiplatelet Agents Including Prasugrel and Ticagrelor on 30-day Outcomes after Acute Myocardial Infarction in Korea: Korean Health Insurance Review and Assessment Data.

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