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Last Updated: December 11, 2019

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Details for Patent: 8,921,326

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Summary for Patent: 8,921,326
Title:Sustained-release composition and method for producing the same
Abstract: Sustained-release compositions wherein a water-soluble physiologically active peptide is substantially uniformly dispersed in a microcapsule comprised of a lactic acid polymer or a salt thereof, and the physiologically active substance is contained in an amount of 15 to 35 wt/wt % to the total microcapsules and weight-average molecular weight (Mw) of the lactic acid polymer is about 11,000 to about 27,000, which is characterized by having a high content of the physiologically active substance, and suppression of the initial excessive release within one day after the administration and a stable drug sustained-release over a long period of time, and method for producing the same.
Inventor(s): Futo; Tomomichi (Osaka, JP), Saito; Kazuhiro (Osaka, JP), Hoshino; Tetsuo (Osaka, JP), Hori; Masuhisa (Osaka, JP)
Assignee: Takeda Pharmaceutical Company Limited (Osaka, JP)
Application Number:12/312,751
Patent Claim Types:
see list of patent claims
Composition; Compound; Dosage form; Formulation;

Drugs Protected by US Patent 8,921,326

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Abbvie Endocrine Inc LUPRON DEPOT leuprolide acetate INJECTABLE;INJECTION 020517-003 Jun 17, 2011 RX Yes Yes   Start Trial   Start Trial Y PALLIATIVE TREATMENT OF PROSTATE CANCER   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 8,921,326

PCT Information
PCT FiledDecember 17, 2007PCT Application Number:PCT/JP2007/074617
PCT Publication Date:June 26, 2008PCT Publication Number: WO2008/075762

International Family Members for US Patent 8,921,326

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Argentina 064381   Start Trial
Australia 2007335406   Start Trial
Brazil PI0720582   Start Trial
Canada 2671670   Start Trial
Chile 2007003658   Start Trial
China 101563068   Start Trial
Colombia 6180498   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Baxter
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McKinsey
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Dow
Johnson and Johnson

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