Pharmaceutical formulation 514

A - Human Necessities – 61 – K

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Details

A61K 9/20 (2006.01) A61K 47/32 (2006.01)

Patent

CA 2737400

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 hygroscop-icity and high softening temperature in solid dispersion with 4-[3-(4-cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-ben-zyl]-2H- phthalazin-1-one for increasing the bioavailability of the drug.

La présente invention porte sur une formulation pharmaceutique renfermant le médicament 4-[3-(4-cyclopropanecarbonylpipérazine-1-carbonyl)-4-fluorobenzyl]-2H-phtalazin-1-one dans une dispersion solide avec un polymère matrice qui présente une faible hygroscopicité et une température de ramollissement élevée, comme la copovidone. L'invention porte également sur une dose pharmaceutique journalière du médicament fournie par une telle formulation. De plus, l'invention porte sur l'utilisation d'un polymère matrice qui présente une faible hygroscopicité et une température de ramollissement élevée dans une dispersion solide avec de la 4-[3-(4-cyclopropanecarbonylpipérazine-1-carbonyl)-4-fluorobenzyl]-2H-phtalazin-1-one pour l'augmentation de la biodisponibilité du médicament.

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