ABC
1Main
2Brand NamePlavix
3Generic Nameclopidogrel
4IndicationAntithrombotic mostly used in patients with heart attack, stroke, PAD or in conjunction with stenting. Chronic use for prevention of chronic heart disease.
5Aspirin inhibits the thromboxane-A synthase pathway. Plavix inhibits adenosine diphosphate (ADP).
6MechanismAntiplatelet that inhibits the aggregation of platelets, suppressing the formation of blood clots.
7MarketDrug-eluting stent panic may increase duration of Plavix use.
8CompetitionPrasugrel.
9IPexpires 5/17/2012
10European at-risk filer Schweizerhall -- Germany -- different salt form.
11Bristol and Plavix innovator Sanofi-Aventis vs. Apotex (private Candian co) and Dr. Reddy's Labs
12Patent 4,847,265 in question. SNY has said additional Orange Book patents irrelevant
13Is Plavix novel? (validity)
14Was the patent appropriately acquired? (enforceability)
15Racemic mix patent (4,529,596)
16Single isomer patent ('265)
17Single isomer acts differently from '596.
18No prior art kept from patent examiner, so inequitable conduct argument is weak.
19Single isomer precedents?
20Levaquin upheld vs. Mylan
21Judge Stein ruled against Purdue and for Endo before--but Endo waited for launch because the case wasn’t clear--treble damages.
22Same thing could happen here. FDA definition of when the 180-day window starts will confuse this further.
23Case began 1/22/2007. '265 patent likely valid & enforceable - comments from Judge Stein
24Clinical Trials
25CURRENT OASIS 7
26n=18,000 High dose vs low dose Plavix.