Patent · US Active

Immediate release pharmaceutical formulation of 4-[3-(4-cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one

US8475842B2 · kind B2 · utility

13Cited by
63References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 7, 2009
Grant dateJul 2, 2013
Priority date
Expiry dateDec 31, 2029

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P35/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The present invention relates to a pharmaceutical formulation comprising the drug 4-[3-(4-cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one in a solid dispersion with a matrix polymer that exhibits low hygroscopicity and high softening temperature, such as copovidone. The invention also relates to a daily pharmaceutical dose of the drug provided by such a formulation. In addition, the invention relates to the use of a matrix polymer that exhibits low hygroscopicity and high softening temperature in solid dispersion with 4-[3-(4-cyclopropanecarbonyl-piperazine-1 -carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one for increasing the bioavailability of the drug.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.