Eplerenone Drug Substance Having High Phase Purity

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United States of America Patent

SERIAL NO

12388228

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A novel crystalline form (Form L) of the aldosterone receptor antagonist drug eplerenone is provided having relatively high physical stability at normal temperatures of storage and use. Pharmaceutical compositions are also provided comprising Form L eplerenone, optionally accompanied by one or more other solid state forms of eplerenone, in a total unit dosage amount of eplerenone of about 10 to about 1000 mg, and further comprising one or more pharmaceutically acceptable excipients. Processes are provided for preparing Form L eplerenone and for preparing compositions comprising Form L eplerenone. A method for prophylaxis and/or treatment of an aldosterone-mediated condition or disorder is also provided, comprising administering to a subject a therapeutically effective amount of eplerenone, wherein at least a fraction of the eplerenone present is Form L eplerenone.

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Patent Owner(s)

Patent OwnerAddress
BARTON KATHLEEN PNot Provided

International Classification(s)

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  • 2009 Application Filing Year
  • A61K Class
  • 10313 Applications Filed
  • 6747 Patents Issued To-Date
  • 65.43 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances200920102011201220132014201520162017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barton, Kathleen P Lake Forest , US 7 7
Borchardt, Thomas B Pleasant Prairie , US 55 529
Carlos, Marlow V Des Plaines , US 1 0
Desai, Subhash Wilmette , US 27 232
Ferro, Leonard J Highland Park , US 11 33
Ganser, Scott S Park City , US 12 107
Gaud, Henry T Evanston , US 12 17
Little, Clay R Lindenhurst , US 8 7
Mudipalli, Partha S Skokie , US 10 40
Pietz, Mark A Grayslake , US 7 7
Pilipauskas, Daniel R Glenview , US 15 36
Sing, Yuen-Lung L St. Louis , US 32 73
Stahl, Glenn L Buffalo Grove , US 23 57
Wieczorek, Joseph J Cary , US 16 26
Yan, Chris Y Plainsbore , US 7 7

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  • A61K Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges509253082135216811765452724174301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +02004006008001000120014001600180020002200240026002800

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