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Association of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention

DC Field Value Language
dc.contributor.authorYou, SC-
dc.contributor.authorRho, Y-
dc.contributor.authorBikdeli, B-
dc.contributor.authorKim, J-
dc.contributor.authorSiapos, A-
dc.contributor.authorWeaver, J-
dc.contributor.authorLondhe, A-
dc.contributor.authorCho, J-
dc.contributor.authorPark, J-
dc.contributor.authorSchuemie, M-
dc.contributor.authorSuchard, MA-
dc.contributor.authorMadigan, D-
dc.contributor.authorHripcsak, G-
dc.contributor.authorGupta, A-
dc.contributor.authorReich, CG-
dc.contributor.authorRyan, PB-
dc.contributor.authorPark, RW-
dc.contributor.authorKrumholz, HM-
dc.date.accessioned2022-10-24T05:53:31Z-
dc.date.available2022-10-24T05:53:31Z-
dc.date.issued2020-
dc.identifier.issn0098-7484-
dc.identifier.urihttp://repository.ajou.ac.kr/handle/201003/22323-
dc.description.abstractIMPORTANCE: Current guidelines recommend ticagrelor as the preferred P2Y12 platelet inhibitor for patients with acute coronary syndrome (ACS), primarily based on a single large randomized clinical trial. The benefits and risks associated with ticagrelor vs clopidogrel in routine practice merits attention.

OBJECTIVE: To determine the association of ticagrelor vs clopidogrel with ischemic and hemorrhagic events in patients undergoing percutaneous coronary intervention (PCI) for ACS in clinical practice.

DESIGN, SETTING, AND PARTICIPANTS: A retrospective cohort study of patients with ACS who underwent PCI and received ticagrelor or clopidogrel was conducted using 2 United States electronic health record-based databases and 1 nationwide South Korean database from November 2011 to March 2019. Patients were matched using a large-scale propensity score algorithm, and the date of final follow-up was March 2019.

EXPOSURES: Ticagrelor vs clopidogrel.

MAIN OUTCOMES AND MEASURES: The primary end point was net adverse clinical events (NACE) at 12 months, composed of ischemic events (recurrent myocardial infarction, revascularization, or ischemic stroke) and hemorrhagic events (hemorrhagic stroke or gastrointestinal bleeding). Secondary outcomes included NACE or mortality, all-cause mortality, ischemic events, hemorrhagic events, individual components of the primary outcome, and dyspnea at 12 months. The database-level hazard ratios (HRs) were pooled to calculate summary HRs by random-effects meta-analysis.

RESULTS: After propensity score matching among 31290 propensity-matched pairs (median age group, 60-64 years; 29.3% women), 95.5% of patients took aspirin together with ticagrelor or clopidogrel. The 1-year risk of NACE was not significantly different between ticagrelor and clopidogrel (15.1% [3484/23116 person-years] vs 14.6% [3290/22587 person-years]; summary HR, 1.05 [95% CI, 1.00-1.10]; P = .06). There was also no significant difference in the risk of all-cause mortality (2.0% for ticagrelor vs 2.1% for clopidogrel; summary HR, 0.97 [95% CI, 0.81-1.16]; P = .74) or ischemic events (13.5% for ticagrelor vs 13.4% for clopidogrel; summary HR, 1.03 [95% CI, 0.98-1.08]; P = .32). The risks of hemorrhagic events (2.1% for ticagrelor vs 1.6% for clopidogrel; summary HR, 1.35 [95% CI, 1.13-1.61]; P = .001) and dyspnea (27.3% for ticagrelor vs 22.6% for clopidogrel; summary HR, 1.21 [95% CI, 1.17-1.26]; P < .001) were significantly higher in the ticagrelor group.

CONCLUSIONS AND RELEVANCE: Among patients with ACS who underwent PCI in routine clinical practice, ticagrelor, compared with clopidogrel, was not associated with significant difference in the risk of NACE at 12 months. Because the possibility of unmeasured confounders cannot be excluded, further research is needed to determine whether ticagrelor is more effective than clopidogrel in this setting.
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dc.language.isoen-
dc.subject.MESHAcute Coronary Syndrome-
dc.subject.MESHAdult-
dc.subject.MESHAged-
dc.subject.MESHAged, 80 and over-
dc.subject.MESHAlgorithms-
dc.subject.MESHAspirin-
dc.subject.MESHCase-Control Studies-
dc.subject.MESHCause of Death-
dc.subject.MESHClopidogrel-
dc.subject.MESHDatabases, Factual-
dc.subject.MESHDyspnea-
dc.subject.MESHFemale-
dc.subject.MESHHemorrhage-
dc.subject.MESHHumans-
dc.subject.MESHIschemia-
dc.subject.MESHMale-
dc.subject.MESHMiddle Aged-
dc.subject.MESHMyocardial Infarction-
dc.subject.MESHNetwork Meta-Analysis-
dc.subject.MESHPercutaneous Coronary Intervention-
dc.subject.MESHPropensity Score-
dc.subject.MESHPurinergic P2Y Receptor Antagonists-
dc.subject.MESHRecurrence-
dc.subject.MESHRepublic of Korea-
dc.subject.MESHRetrospective Studies-
dc.subject.MESHStroke-
dc.subject.MESHTicagrelor-
dc.subject.MESHUnited States-
dc.titleAssociation of Ticagrelor vs Clopidogrel With Net Adverse Clinical Events in Patients With Acute Coronary Syndrome Undergoing Percutaneous Coronary Intervention-
dc.typeArticle-
dc.identifier.pmid33107944-
dc.identifier.urlhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC7592033/-
dc.contributor.affiliatedAuthorPark, RW-
dc.type.localJournal Papers-
dc.identifier.doi10.1001/jama.2020.16167-
dc.citation.titleJAMA-
dc.citation.volume324-
dc.citation.number16-
dc.citation.date2020-
dc.citation.startPage1640-
dc.citation.endPage1650-
dc.identifier.bibliographicCitationJAMA, 324(16). : 1640-1650, 2020-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.identifier.eissn1538-3598-
dc.relation.journalidJ000987484-
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Biomedical Informatics
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