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Last Updated: July 29, 2021

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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 ⤷  Try it Free ⤷  Try it Free Y PALLIATIVE TREATMENT OF PROSTATE CANCER ⤷  Try it Free
>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 ⤷  Try it Free
Australia 2007335406 ⤷  Try it Free
Brazil PI0720582 ⤷  Try it Free
Canada 2671670 ⤷  Try it Free
Chile 2007003658 ⤷  Try it Free
China 101563068 ⤷  Try it Free
Colombia 6180498 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

Express Scripts
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