Clopidogrel Versus Aspirin as Monotherapy Following Dual Antiplatelet Therapy in Patients With Acute Coronary Syndrome Receiving a Drug‐Eluting Stent: A Systematic Literature Review and Meta‐Analysis

ABSTRACT Objective This study aimed to evaluate the comparative effectiveness and safety of clopidogrel versus aspirin as monotherapy following adequate dual antiplatelet therapy (DAPT) in patients with acute coronary syndrome (ACS). Methods MEDLINE, Embase, and CENTRAL were searched from database i...

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Veröffentlicht in:Clinical cardiology (Mahwah, N.J.) N.J.), 2024-09, Vol.47 (9), p.e24326-n/a
Hauptverfasser: Sibbing, Dirk, Nicolas, Johny, Spirito, Alessandro, Vogel, Birgit, Cao, Davide, Stipek, Wanda, Kasireddy, Ellen, Qian, Andi, Khan, Irfan, Mehran, Roxana
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container_issue 9
container_start_page e24326
container_title Clinical cardiology (Mahwah, N.J.)
container_volume 47
creator Sibbing, Dirk
Nicolas, Johny
Spirito, Alessandro
Vogel, Birgit
Cao, Davide
Stipek, Wanda
Kasireddy, Ellen
Qian, Andi
Khan, Irfan
Mehran, Roxana
description ABSTRACT Objective This study aimed to evaluate the comparative effectiveness and safety of clopidogrel versus aspirin as monotherapy following adequate dual antiplatelet therapy (DAPT) in patients with acute coronary syndrome (ACS). Methods MEDLINE, Embase, and CENTRAL were searched from database inception to September 1, 2023. Randomized controlled trials (RCTs) and observational studies evaluating the effectiveness or safety of clopidogrel versus aspirin as monotherapy following DAPT in patients with ACS who received a drug‐eluting stent were included. Random‐effects meta‐analyses were conducted to compare risks of major adverse cardiovascular events (MACE) and clinically relevant bleeding. Results Of 6242 s identified, three unique studies were included: one RCT and two retrospective cohort studies. Studies included a total of 7081 post‐percutaneous coronary intervention ACS patients, 4260 of whom received aspirin monotherapy and 2821 received clopidogrel monotherapy. Studies included variable proportions of patients with ST‐elevation myocardial infarction (STEMI), non‐STEMI, and unstable angina. From the meta‐analysis, clopidogrel was associated with a 28% reduction in the risk of MACE compared with aspirin (hazard ratio [HR]: 0.72; 95% confidence interval [CI]: 0.54, 0.98), with no significant difference in clinically relevant bleeding (HR: 0.92; 95% CI: 0.68, 1.24). Conclusion Despite the paucity of published evidence on the effectiveness and safety of clopidogrel versus aspirin in patients with ACS post‐drug‐eluting stent implantation, this meta‐analysis suggests that clopidogrel versus aspirin may result in a lower risk of MACE, with a similar risk of major bleeding. The present results are hypothesis‐generating and further large RCTs comparing antiplatelet monotherapy options in ACS patients are warranted. Clopidogrel reduced the risk of major adverse cardiovascular events by 28% versus aspirin and there was a similar risk of major bleeding after adequate dual antiplatelet therapy in acute coronary syndrome patients post‐drug‐eluting stent implantation.
doi_str_mv 10.1002/clc.24326
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Methods MEDLINE, Embase, and CENTRAL were searched from database inception to September 1, 2023. Randomized controlled trials (RCTs) and observational studies evaluating the effectiveness or safety of clopidogrel versus aspirin as monotherapy following DAPT in patients with ACS who received a drug‐eluting stent were included. Random‐effects meta‐analyses were conducted to compare risks of major adverse cardiovascular events (MACE) and clinically relevant bleeding. Results Of 6242 s identified, three unique studies were included: one RCT and two retrospective cohort studies. Studies included a total of 7081 post‐percutaneous coronary intervention ACS patients, 4260 of whom received aspirin monotherapy and 2821 received clopidogrel monotherapy. Studies included variable proportions of patients with ST‐elevation myocardial infarction (STEMI), non‐STEMI, and unstable angina. From the meta‐analysis, clopidogrel was associated with a 28% reduction in the risk of MACE compared with aspirin (hazard ratio [HR]: 0.72; 95% confidence interval [CI]: 0.54, 0.98), with no significant difference in clinically relevant bleeding (HR: 0.92; 95% CI: 0.68, 1.24). Conclusion Despite the paucity of published evidence on the effectiveness and safety of clopidogrel versus aspirin in patients with ACS post‐drug‐eluting stent implantation, this meta‐analysis suggests that clopidogrel versus aspirin may result in a lower risk of MACE, with a similar risk of major bleeding. The present results are hypothesis‐generating and further large RCTs comparing antiplatelet monotherapy options in ACS patients are warranted. Clopidogrel reduced the risk of major adverse cardiovascular events by 28% versus aspirin and there was a similar risk of major bleeding after adequate dual antiplatelet therapy in acute coronary syndrome patients post‐drug‐eluting stent implantation.</description><identifier>ISSN: 0160-9289</identifier><identifier>ISSN: 1932-8737</identifier><identifier>EISSN: 1932-8737</identifier><identifier>DOI: 10.1002/clc.24326</identifier><identifier>PMID: 39206792</identifier><language>eng</language><publisher>United States: John Wiley &amp; Sons, Inc</publisher><subject>acute coronary syndrome ; Acute Coronary Syndrome - therapy ; Acute coronary syndromes ; Angina pectoris ; Aspirin ; Aspirin - administration &amp; dosage ; Aspirin - adverse effects ; Aspirin - therapeutic use ; Cardiology ; Cardiovascular disease ; Clinical trials ; clopidogrel ; Clopidogrel - administration &amp; dosage ; Clopidogrel - adverse effects ; Clopidogrel - therapeutic use ; Drug-Eluting Stents ; Dual Anti-Platelet Therapy - methods ; dual antiplatelet therapy ; Heart attacks ; Hemorrhage - chemically induced ; Humans ; Intervention ; Ischemia ; Literature reviews ; Meta-analysis ; Mortality ; Observational studies ; Patients ; Percutaneous Coronary Intervention - adverse effects ; Percutaneous Coronary Intervention - methods ; Platelet Aggregation Inhibitors - administration &amp; dosage ; Platelet Aggregation Inhibitors - adverse effects ; Platelet Aggregation Inhibitors - therapeutic use ; Review ; single antiplatelet therapy ; Stents ; Stroke ; Systematic review ; Thrombosis ; Treatment Outcome</subject><ispartof>Clinical cardiology (Mahwah, N.J.), 2024-09, Vol.47 (9), p.e24326-n/a</ispartof><rights>2024 The Author(s). published by Wiley Periodicals, LLC.</rights><rights>2024 The Author(s). Clinical Cardiology published by Wiley Periodicals, LLC.</rights><rights>2024. This work is published under http://creativecommons.org/licenses/by/4.0/ (the "License"). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3346-d9110ab54b505d3c87d0f2fabc0aeba04cf2563ed9ee2216580556853b7dc4ad3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11358762/pdf/$$EPDF$$P50$$Gpubmedcentral$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC11358762/$$EHTML$$P50$$Gpubmedcentral$$Hfree_for_read</linktohtml><link.rule.ids>230,314,723,776,780,860,881,1411,11541,27901,27902,45550,45551,46027,46451,53766,53768</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/39206792$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Sibbing, Dirk</creatorcontrib><creatorcontrib>Nicolas, Johny</creatorcontrib><creatorcontrib>Spirito, Alessandro</creatorcontrib><creatorcontrib>Vogel, Birgit</creatorcontrib><creatorcontrib>Cao, Davide</creatorcontrib><creatorcontrib>Stipek, Wanda</creatorcontrib><creatorcontrib>Kasireddy, Ellen</creatorcontrib><creatorcontrib>Qian, Andi</creatorcontrib><creatorcontrib>Khan, Irfan</creatorcontrib><creatorcontrib>Mehran, Roxana</creatorcontrib><title>Clopidogrel Versus Aspirin as Monotherapy Following Dual Antiplatelet Therapy in Patients With Acute Coronary Syndrome Receiving a Drug‐Eluting Stent: A Systematic Literature Review and Meta‐Analysis</title><title>Clinical cardiology (Mahwah, N.J.)</title><addtitle>Clin Cardiol</addtitle><description>ABSTRACT Objective This study aimed to evaluate the comparative effectiveness and safety of clopidogrel versus aspirin as monotherapy following adequate dual antiplatelet therapy (DAPT) in patients with acute coronary syndrome (ACS). Methods MEDLINE, Embase, and CENTRAL were searched from database inception to September 1, 2023. Randomized controlled trials (RCTs) and observational studies evaluating the effectiveness or safety of clopidogrel versus aspirin as monotherapy following DAPT in patients with ACS who received a drug‐eluting stent were included. Random‐effects meta‐analyses were conducted to compare risks of major adverse cardiovascular events (MACE) and clinically relevant bleeding. Results Of 6242 s identified, three unique studies were included: one RCT and two retrospective cohort studies. Studies included a total of 7081 post‐percutaneous coronary intervention ACS patients, 4260 of whom received aspirin monotherapy and 2821 received clopidogrel monotherapy. Studies included variable proportions of patients with ST‐elevation myocardial infarction (STEMI), non‐STEMI, and unstable angina. From the meta‐analysis, clopidogrel was associated with a 28% reduction in the risk of MACE compared with aspirin (hazard ratio [HR]: 0.72; 95% confidence interval [CI]: 0.54, 0.98), with no significant difference in clinically relevant bleeding (HR: 0.92; 95% CI: 0.68, 1.24). Conclusion Despite the paucity of published evidence on the effectiveness and safety of clopidogrel versus aspirin in patients with ACS post‐drug‐eluting stent implantation, this meta‐analysis suggests that clopidogrel versus aspirin may result in a lower risk of MACE, with a similar risk of major bleeding. The present results are hypothesis‐generating and further large RCTs comparing antiplatelet monotherapy options in ACS patients are warranted. Clopidogrel reduced the risk of major adverse cardiovascular events by 28% versus aspirin and there was a similar risk of major bleeding after adequate dual antiplatelet therapy in acute coronary syndrome patients post‐drug‐eluting stent implantation.</description><subject>acute coronary syndrome</subject><subject>Acute Coronary Syndrome - therapy</subject><subject>Acute coronary syndromes</subject><subject>Angina pectoris</subject><subject>Aspirin</subject><subject>Aspirin - administration &amp; dosage</subject><subject>Aspirin - adverse effects</subject><subject>Aspirin - therapeutic use</subject><subject>Cardiology</subject><subject>Cardiovascular disease</subject><subject>Clinical trials</subject><subject>clopidogrel</subject><subject>Clopidogrel - administration &amp; dosage</subject><subject>Clopidogrel - adverse effects</subject><subject>Clopidogrel - therapeutic use</subject><subject>Drug-Eluting Stents</subject><subject>Dual Anti-Platelet Therapy - methods</subject><subject>dual antiplatelet therapy</subject><subject>Heart attacks</subject><subject>Hemorrhage - chemically induced</subject><subject>Humans</subject><subject>Intervention</subject><subject>Ischemia</subject><subject>Literature reviews</subject><subject>Meta-analysis</subject><subject>Mortality</subject><subject>Observational studies</subject><subject>Patients</subject><subject>Percutaneous Coronary Intervention - adverse effects</subject><subject>Percutaneous Coronary Intervention - methods</subject><subject>Platelet Aggregation Inhibitors - administration &amp; dosage</subject><subject>Platelet Aggregation Inhibitors - adverse effects</subject><subject>Platelet Aggregation Inhibitors - therapeutic use</subject><subject>Review</subject><subject>single antiplatelet therapy</subject><subject>Stents</subject><subject>Stroke</subject><subject>Systematic review</subject><subject>Thrombosis</subject><subject>Treatment Outcome</subject><issn>0160-9289</issn><issn>1932-8737</issn><issn>1932-8737</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>24P</sourceid><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNp1kstuEzEUhkcIRENhwQsgS2xgkdaXuXjYoNG0BaRUIFpgaXk8J4krxx5sT6LseATei7fgSXCaUAESK0v2938-R_qz7CnBJwRjeqqMOqE5o-W9bEJqRqe8YtX9bIJJiac15fVR9iiEm4RiTtnD7IjVFJdVTSfZj9a4Qfdu4cGgz-DDGFATBu21RTKgS2ddXIKXwxZdOGPcRtsFOhulQY2NejAygoGIrg9MSn2QUYONAX3RcYkaNUZArfPOSr9FV1vbe7cC9BEU6PVOJtGZHxc_v30_N2PcXVzFFH-FmgSHCKukU2imY_ogjn6XXGvYIGl7dAlRpmBjpdkGHR5nD-bSBHhyOI-zTxfn1-3b6ez9m3dtM5sqxvJy2teEYNkVeVfgomeKVz2e07nsFJbQSZyrOS1KBn0NQCkpC46LouQF66pe5bJnx9nrvXcYuxX0Ko3rpRGD16u0o3BSi79frF6KhVsLQljBq5Imw4uDwbuvI4QoVjooMEZacGMQDNd1VfP8Fn3-D3rjRp82ThTBnDOe4ypRL_eU8i4ED_O7aQgWu46I1BFx25HEPvtz_DvydykScLoHNtrA9v8m0c7avfIXiC3M9g</recordid><startdate>202409</startdate><enddate>202409</enddate><creator>Sibbing, Dirk</creator><creator>Nicolas, Johny</creator><creator>Spirito, Alessandro</creator><creator>Vogel, Birgit</creator><creator>Cao, Davide</creator><creator>Stipek, Wanda</creator><creator>Kasireddy, Ellen</creator><creator>Qian, Andi</creator><creator>Khan, Irfan</creator><creator>Mehran, Roxana</creator><general>John Wiley &amp; 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Methods MEDLINE, Embase, and CENTRAL were searched from database inception to September 1, 2023. Randomized controlled trials (RCTs) and observational studies evaluating the effectiveness or safety of clopidogrel versus aspirin as monotherapy following DAPT in patients with ACS who received a drug‐eluting stent were included. Random‐effects meta‐analyses were conducted to compare risks of major adverse cardiovascular events (MACE) and clinically relevant bleeding. Results Of 6242 s identified, three unique studies were included: one RCT and two retrospective cohort studies. Studies included a total of 7081 post‐percutaneous coronary intervention ACS patients, 4260 of whom received aspirin monotherapy and 2821 received clopidogrel monotherapy. Studies included variable proportions of patients with ST‐elevation myocardial infarction (STEMI), non‐STEMI, and unstable angina. From the meta‐analysis, clopidogrel was associated with a 28% reduction in the risk of MACE compared with aspirin (hazard ratio [HR]: 0.72; 95% confidence interval [CI]: 0.54, 0.98), with no significant difference in clinically relevant bleeding (HR: 0.92; 95% CI: 0.68, 1.24). Conclusion Despite the paucity of published evidence on the effectiveness and safety of clopidogrel versus aspirin in patients with ACS post‐drug‐eluting stent implantation, this meta‐analysis suggests that clopidogrel versus aspirin may result in a lower risk of MACE, with a similar risk of major bleeding. The present results are hypothesis‐generating and further large RCTs comparing antiplatelet monotherapy options in ACS patients are warranted. Clopidogrel reduced the risk of major adverse cardiovascular events by 28% versus aspirin and there was a similar risk of major bleeding after adequate dual antiplatelet therapy in acute coronary syndrome patients post‐drug‐eluting stent implantation.</abstract><cop>United States</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>39206792</pmid><doi>10.1002/clc.24326</doi><tpages>9</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Wiley Online Library Open Access; DOAJ Directory of Open Access Journals; Wiley Online Library Journals Frontfile Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects acute coronary syndrome
Acute Coronary Syndrome - therapy
Acute coronary syndromes
Angina pectoris
Aspirin
Aspirin - administration & dosage
Aspirin - adverse effects
Aspirin - therapeutic use
Cardiology
Cardiovascular disease
Clinical trials
clopidogrel
Clopidogrel - administration & dosage
Clopidogrel - adverse effects
Clopidogrel - therapeutic use
Drug-Eluting Stents
Dual Anti-Platelet Therapy - methods
dual antiplatelet therapy
Heart attacks
Hemorrhage - chemically induced
Humans
Intervention
Ischemia
Literature reviews
Meta-analysis
Mortality
Observational studies
Patients
Percutaneous Coronary Intervention - adverse effects
Percutaneous Coronary Intervention - methods
Platelet Aggregation Inhibitors - administration & dosage
Platelet Aggregation Inhibitors - adverse effects
Platelet Aggregation Inhibitors - therapeutic use
Review
single antiplatelet therapy
Stents
Stroke
Systematic review
Thrombosis
Treatment Outcome
title Clopidogrel Versus Aspirin as Monotherapy Following Dual Antiplatelet Therapy in Patients With Acute Coronary Syndrome Receiving a Drug‐Eluting Stent: A Systematic Literature Review and Meta‐Analysis
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