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Serving 500+ biopharmaceutical companies globally:

Federal Trade Commission
Argus Health
Express Scripts

Generated: August 17, 2017

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Which drugs does patent RE42461 protect, and when does it expire?

Patent ► Subscribe protects ZETIA, LIPTRUZET, and VYTORIN, and is included in three NDAs. There have been zero Paragraph IV challenges on Vytorin and Zetia

Protection for ZETIA has been extended six months for pediatric studies, as indicated by the *PED designation in the table below.

Summary for Patent: ► Subscribe

Title:Hydroxy-substituted azetidinone compounds useful as hypocholesterolemic agents
Abstract: Hydroxy-substituted azetidinone hypocholesterolemic agents of the formula ##STR00001## or a pharmaceutically acceptable salt thereof, wherein: Ar.sup.1 and Ar.sup.2 are aryl or R.sup.4-substituted aryl; Ar.sup.3 is aryl or R.sup.5-substituted aryl; X, Y and Z are --CH.sub.2--, --CH(lower alkyl)-- or --C(dilower alkyl)--; R and R.sup.2 are --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9 or --O(CO)NR.sup.6R.sup.7; R.sup.1 and R.sup.3 are H or lower alkyl; q is 0 or 1; r is 0 or 1; m, n and p are 0-4; provided that at least one of q and r is 1, and the sum of m, n, p, q and r is 1-6; and provided that when p is O and r is 1, the sum of m, q and n is 1-5; R.sup.4 is selected from lower alkyl, R.sub.5, --CF.sub.3, --CN, --NO.sub.2 and halogen R.sup.5 is selected from --OR.sup.6, --O(CO)R.sup.6, --O(CO)OR.sup.9, --O(CH.sub.2).sub.1-5OR.sup.6, --O(CO)NR.sup.6R.sup.7, --NR.sub.6R.sup.7, --NR.sup.6(CO)R.sup.7, --NR.sup.6(CO)OR.sup.9, --NR.sup.6(CO)NR.sup.7R.sup.8, --NR.sup.6SO.sub.2R.sup.9, --COOR.sup.6, --CONR.sup.6R.sup.7, --COR.sup.6, --SO.sub.2NR.sup.6R.sup.7, S(O).sub.0-2R.sup.9, --O(CH.sub.2).sub.1-10--COOR.sup.6, --O(CH.sub.2).sub.1-10CON.sup.6R.sup.7, --(lower alkylene)COOR.sup.6 and --CH.dbd.CH--COOR.sup.6; R.sup.6, R.sup.7 and R.sup.8 are H, lower alkyl or aryl-substituted Ic R.sup.9 is lower alkyl, aryl or aryl-substituted lower alkyl; are disclosed, as well as a method of lowering serum cholesterol by administering said compounds, alone or in combination with a cholesterol biosynthesis inhibitor, pharmaceutical compositions containing them; and a process for preparing them.
Inventor(s): Rosenblum; Stuart B. (West Orange, NJ), Dugar; Sundeep (San Jose, CA), Burnett; Duane A. (Bernardsville, NJ), Clader; John W. (Milton, VT), McKittrick; Brian A. (New Vernon, NJ)
Assignee: Schering Corporation (Kenilworth, NJ)
Application Number:12/797,341
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Msd Intl Gmbh
TABLET;ORAL021445-001Oct 25, 2002ABRXYesYes► Subscribe► Subscribe
Merck Sharp Dohme
atorvastatin calcium; ezetimibe
TABLET;ORAL200153-001May 3, 2013DISCNYesNo► Subscribe► Subscribe
Merck Sharp Dohme
atorvastatin calcium; ezetimibe
TABLET;ORAL200153-002May 3, 2013DISCNYesNo► Subscribe► Subscribe
Merck Sharp Dohme
atorvastatin calcium; ezetimibe
TABLET;ORAL200153-003May 3, 2013DISCNYesNo► Subscribe► Subscribe
Merck Sharp Dohme
atorvastatin calcium; ezetimibe
TABLET;ORAL200153-004May 3, 2013DISCNYesNo► Subscribe► Subscribe
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Foreign Priority and PCT Information for Patent: ► Subscribe

PCT Information
PCT FiledSeptember 14, 1994PCT Application Number:PCT/US94/10099
PCT Publication Date:March 30, 1995PCT Publication Number: WO95/08532

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Serving 500+ biopharmaceutical companies globally:

Cantor Fitzgerald

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