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Plavix is marketed worldwide in nearly 110 countries, with sales of US$6.6 billion in 2009. [45] It was the second-top-selling drug in the world in 2007 [46] and was still growing by over 20% in 2007. US sales were US$3.8 billion in 2008. [47] Before the expiry of its patent, clopidogrel was the second best-selling drug in the world.
In 2006, Sanofi-Aventis SA and Bristol-Myers Squibb Co., the producers and patent owners of Plavix, the blood thinner drug, settled a patent lawsuit with Apotex. [23] [24] In the settlement, Apotex agreed not to sell a generic version of Plavix until September 2011, in exchange for an unspecified amount of money. [23]
Prasugrel is a member of the thienopyridine class of ADP receptor inhibitors, like ticlopidine (trade name Ticlid) and clopidogrel (trade name Plavix). These agents reduce the aggregation ("clumping") of platelets by irreversibly binding to P2Y 12 receptors. Prasugrel inhibits platelet aggregation more rapidly, more consistently, and to a ...
In 2006, generic drugmaker Apotex briefly marketed generic Plavix, but was ordered to stop until November 2011. The order was extended recently by the FDA, but Plavix's patent is set to expire on ...
Metabolism of ticlopidine, clopidogrel and prasugrel to an active metabolite. Clopidogrel is a prodrug that is metabolized by two pathways. In one of the pathway most of the dose of clopidogrel (85%) is hydrolyzed by esterases to an inactive carboxylic acid derivate and rapidly cleared via glucoridination followed by renal excretion.
In 2006, the US patents on clopidogrel (Plavix) were challenged when a Canadian generics company, Apotex, filed an Abbreviated New Drug Application under the Hatch-Waxman Act, received FDA approval, and started marketing a generic formulation of clopidogrel.
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.
Clopidogrel is administered as a "prodrug", a drug that is inactive when taken, and then depends on the action of an enzyme in the body to be activated. In patients with a gene of reduced activity, clopidogrel may not be metabolized to its biologically active form and therefore not achieve pharmacological effect in the body.
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