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An antiplatelet drug (antiaggregant), also known as a platelet agglutination inhibitor or platelet aggregation inhibitor, is a member of a class of pharmaceuticals that decrease platelet aggregation [1] and inhibit thrombus formation.
The first P2Y 12 inhibitors were of the thienopyridine family. They are indirect antagonists, which block the ADP-induced platelet aggregation and activation. The first drug of this class was ticlopidine and was discovered in 1972 at Porcor (now Sanofi).
Glycoprotein IIb/IIIa inhibitors are frequently used during percutaneous coronary intervention (angioplasty with or without intracoronary stent placement). They work by preventing platelet aggregation and thrombus formation. They do so by inhibition of the GpIIb/IIIa receptor on the surface of the platelets.
Generally, drugs outlined within the ATC code B01AC should be included in this category. Please see WP:PHARM:CAT for more information. Wikimedia Commons has media related to Antiplatelet drugs .
The combination of a P2Y 12 inhibitor and aspirin, called dual antiplatelet treatment, remains the first-line treatment for acute coronary syndrome. A 2019 randomized trial suggested that prasugrel is superior to ticagrelor. [11]
[34] [35] ADP-induced platelet aggregation and activation are hence hindered. Examples include clopidogrel, prasugrel and ticagrelor. Clopidogrel has a common drug interaction with CYP2C19 inhibitors, particularly omeprazole and esomeprazole which are indicated for treatment of peptic ulcer and gastro-oesophageal reflux disease (GERD).
It is a glycoprotein IIb/IIIa inhibitor. [3] While abciximab has a short plasma half-life, due to its strong affinity for its receptor on the platelets, it may occupy some receptors for weeks. In practice, platelet aggregation gradually returns to normal about 96 to 120 hours after discontinuation of the drug.
ATC code B01 Antithrombotic agents is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products.