Short-term outcomes of ticagrelor monotherapy after primary percutaneous coronary intervention for ST-elevation

Eva C I Woelders1, Bahram Yosofi1, Denise A M Peeters1

  • 1Department of Cardiology, Radboud University Medical Center, Nijmegen, The Netherlands.

American Heart Journal
|April 30, 2026
PubMed

Insights

Ticagrelor monotherapy after primary PCI showed similar ischemic event rates compared to dual antiplatelet therapy (DAPT) in STEMI patients. Bleeding events were numerically lower with ticagrelor monotherapy, but safety requires further study.

Area of Science:

  • Cardiology
  • Pharmacology
  • Clinical Trials

Background:

  • Dual antiplatelet therapy (DAPT) is standard after percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI).
  • Ticagrelor monotherapy is being explored as an alternative to reduce bleeding risk.
  • Assessing the safety and efficacy of ticagrelor monotherapy post-PCI is crucial.

Purpose of the Study:

  • To evaluate the safety of ticagrelor monotherapy versus DAPT in STEMI patients undergoing primary PCI.
  • To compare major adverse cardiac and cerebral events (MACCE) and bleeding events between the two strategies.

Main Methods:

  • A randomized, multicenter, open-label pilot study.
  • 200 STEMI patients were randomized to ticagrelor monotherapy or DAPT after primary PCI.
  • Outcomes assessed included MACCE, clinically relevant bleeding, and clinically relevant non-access site bleeding at three months.

Main Results:

  • No significant difference in MACCE between ticagrelor monotherapy (3.1%) and DAPT (2.0%) groups.
  • Clinically relevant bleeding was lower in the ticagrelor monotherapy group (4.2%) compared to DAPT (8.9%).
  • Clinically relevant non-access site bleeding was significantly lower with ticagrelor monotherapy (2.0%) versus DAPT (7.9%).

Conclusions:

  • Ticagrelor monotherapy did not show a significant difference in ischemic events compared to DAPT in STEMI patients.
  • A trend towards reduced bleeding events, particularly non-access site bleeding, was observed with ticagrelor monotherapy.
  • Larger studies are needed to confirm the safety and efficacy of ticagrelor monotherapy due to the small number of events in this pilot study.
Abstract

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