Ticagrelor: a review of its use in adults with acute coronary syndromes.

Ticagrelor (Brilique™, Brilinta®), a cyclopentyl-triazolopyrimidine, is an orally active, reversible, and selective adenosine diphosphate (ADP) receptor antagonist indicated for use in patients with acute coronary syndromes (ACS). Ticagrelor has a faster onset of action and provides greater inhibition of platelet aggregation than clopidogrel. In the large well-designed, PLATO study in adult patients with ACS, 12 months' treatment with ticagrelor was more effective than clopidogrel in reducing the incidence of the primary composite endpoint of myocardial infarction, stroke, or cardiovascular (CV) death. Ticagrelor also reduced all-cause mortality relative to clopidogrel, although statistical significance of this was not confirmed in hierarchical testing. Benefit with ticagrelor was seen both in invasively and noninvasively managed patients. Ticagrelor was generally well tolerated and was not associated with an increased risk of major bleeding relative to clopidogrel. However, the incidences of non-coronary artery bypass grafting (CABG)-related bleeding, and major or minor bleeding, as well as some non-hemorrhagic adverse events, including dyspnea (usually of mild or moderate severity) and ventricular pauses (largely asymptomatic) were higher with ticagrelor. In addition, the ATLANTIC study showed that although pre-hospital administration of ticagrelor did not improve pre-percutaneous coronary intervention (PCI) coronary reperfusion in ACS patients relative to in-hospital administration, ticagrelor was safe in both instances, with no significant between-group differences in non-CABG-related major and minor bleeding events. Although further comparative studies with other antiplatelet agents, including prasugrel, are required to position it more definitively, current evidence indicates that ticagrelor is a useful option for the prevention of thrombotic CV events in ACS patients managed invasively or noninvasively.
AuthorsSohita Dhillon
JournalAmerican journal of cardiovascular drugs : drugs, devices, and other interventions (Am J Cardiovasc Drugs) Vol. 15 Issue 1 Pg. 51-68 (Feb 2015) ISSN: 1179-187X [Electronic] New Zealand
PMID25672642 (Publication Type: Journal Article, Review)
Chemical References
  • Platelet Aggregation Inhibitors
  • Purinergic P2Y Receptor Antagonists
  • Ticagrelor
  • Adenosine
  • Acute Coronary Syndrome (drug therapy, physiopathology, therapy)
  • Adenosine (administration & dosage, adverse effects, analogs & derivatives, therapeutic use)
  • Administration, Oral
  • Aging
  • Combined Modality Therapy (adverse effects)
  • Coronary Artery Bypass (adverse effects)
  • Evidence-Based Medicine
  • Hemorrhage (chemically induced, epidemiology)
  • Humans
  • Percutaneous Coronary Intervention (adverse effects)
  • Platelet Aggregation Inhibitors (administration & dosage, adverse effects, therapeutic use)
  • Purinergic P2Y Receptor Antagonists (administration & dosage, adverse effects, therapeutic use)
  • Risk
  • Thrombosis (etiology, prevention & control)

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