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Ticagrelor With or Without Aspirin in Chinese Patients Undergoing Percutaneous Coronary Intervention: A TWILIGHT China Substudy

  • Yaling Han
  • , Bimmer E. Claessen
  • , Shao-Liang Chen
  • , Qiu Chunguang
  • , Yujie Zhou
  • , Yawei Xu
  • , Lin Hailong
  • , Jiyan Chen
  • , Wu Qiang
  • , Ruiyan Zhang
  • , Suxin Luo
  • , Yongjun Li
  • , Jianhua Zhu
  • , Xianxian Zhao
  • , Xiang Cheng
  • , Jian'an Wang
  • , Xi Su
  • , Jianhong Tao
  • , Yingxian Sun
  • , Geng Wang
  • Yi Li, Liya Bian, Ridhima Goel, Samantha Sartori, Zhongjie Zhang, Dominick J. Angiolillo, David J. Cohen, C. Michael Gibson, Adnan Kastrati, Mitchell Krucoff, Shamir R. Mehta, E. Magnus Ohman, Philippe Gabriel Steg, Yuqi Liu, George Dangas, Samin Sharma, Usman Baber, Roxana Mehran
  • Shenyang General Hospital of PLA
  • Icahn School of Medicine at Mount Sinai
  • Nanjing Medical University
  • Zhengzhou University
  • Capital Medical University
  • Dalian Medical University
  • Guangdong Provincial People's Hospital
  • Guizhou Provincial People's Hospital
  • Shanghai Jiao Tong University
  • The First Affiliated Hospital of Chongqing Medical University
  • Hebei Medical University
  • Zhejiang University
  • Naval Medical University
  • Huazhong University of Science and Technology
  • Wuhan Asia Heart Hospital
  • Sichuan Provincial People's Hospital
  • University of Florida
  • University of Missouri at Kansas City
  • Technical University of Munich
  • Hamilton Health Sciences
  • Duke University
  • Université Paris Cité
  • People's Liberation Army General Hospital

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

BACKGROUND: The risk/benefit tradeoff of dual antiplatelet therapy after percutaneous coronary intervention may vary in East Asian patients as compared with their non-East Asian counterparts. METHODS: The double-blind, placebo-controlled, randomized TWILIGHT trial (Ticagrelor With Aspirin or Alone in High-Risk Patients After Coronary Intervention) enrolled patients undergoing high-risk percutaneous coronary intervention. After 3 months of treatment with ticagrelor plus aspirin, event-free and adherent patients remained on ticagrelor and were randomly assigned to receive aspirin or placebo for 1 year. The primary end point was Bleeding Academic Research Consortium type 2, 3, or 5 bleeding; the key secondary end point was the first occurrence of death from any cause, nonfatal myocardial infarction, or nonfatal stroke. RESULTS: Of 9006 enrolled and 7119 randomized patients in TWILIGHT, 1169 patients (13.0%) were enrolled at 27 Chinese sites in this prespecified substudy, of whom 1028 (14.4%) patients were randomized after 3 months. The incidence of the primary end point was 6.2% in the ticagrelor+aspirin group versus 3.5% in the ticagrelor+placebo group between randomization and 1 year (hazard ratio, 0.56 [95% CI, 0.31-0.99]; P=0.048). The key secondary end point occurred in 3.4% of patients in the ticagrelor+aspirin group versus 2.4% in the ticagrelor+placebo group (hazard ratio, 0.70 [95% CI, 0.33-1.46]; P=0.34). There was no interaction between the region of randomization (China versus the rest of the world) and randomized treatment assignment in terms of the primary or key secondary end points. CONCLUSIONS: Ticagrelor monotherapy significantly reduced clinically relevant bleeding without increasing ischemic events as compared with ticagrelor plus aspirin in Chinese patients undergoing high-risk percutaneous coronary intervention. REGISTRATION: URL: https://www. CLINICALTRIALS: gov; Unique identifier: NCT02270242.
Original languageEnglish
Pages (from-to)e009495
JournalCirculation. Cardiovascular interventions
Volume15
Issue number4
DOIs
Publication statusPublished - 1 Apr 2022

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • China
  • aspirin
  • hemorrhage
  • incidence
  • thrombosis

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