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Last Updated: August 1, 2021

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Details for Patent: 8,808,740


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Summary for Patent: 8,808,740
Title:Encased tamper resistant controlled release dosage forms
Abstract: In certain embodiments, the present invention is directed to a solid controlled release dosage form comprising: a core comprising a first portion of an opioid analgesic dispersed in a first matrix material; and a shell encasing the core and comprising a second portion of the opioid analgesic dispersed in a second matrix material; wherein the amount of opioid analgesic released from the dosage form is proportional within 20% to elapsed time from 8 to 24 hours, as measured by an in-vitro dissolution in a USP Apparatus 1 (basket) at 100 rpm in 900 ml simulated gastric fluid without enzymes (SGF) at 37 C.
Inventor(s): Huang; Haiyong Hugh (Princeton, NJ)
Assignee: Purdue Pharma L.P. (Stamford, CT)
Application Number:13/333,560
Patent Litigation and PTAB cases: See patent lawsuits and PTAB cases for patent 8,808,740
Patent Claim Types:
see list of patent claims
Formulation; Dosage form; Composition; Use;

Drugs Protected by US Patent 8,808,740

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Purdue Pharma Lp HYSINGLA ER hydrocodone bitartrate TABLET, EXTENDED RELEASE;ORAL 206627-001 Nov 20, 2014 AB RX Yes Yes ⤷  Try it Free ⤷  Try it Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  Try it Free
Purdue Pharma Lp HYSINGLA ER hydrocodone bitartrate TABLET, EXTENDED RELEASE;ORAL 206627-002 Nov 20, 2014 AB RX Yes No ⤷  Try it Free ⤷  Try it Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  Try it Free
Purdue Pharma Lp HYSINGLA ER hydrocodone bitartrate TABLET, EXTENDED RELEASE;ORAL 206627-003 Nov 20, 2014 AB RX Yes No ⤷  Try it Free ⤷  Try it Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  Try it Free
Purdue Pharma Lp HYSINGLA ER hydrocodone bitartrate TABLET, EXTENDED RELEASE;ORAL 206627-004 Nov 20, 2014 AB RX Yes No ⤷  Try it Free ⤷  Try it Free Y MANAGEMENT OF PAIN SEVERE ENOUGH TO REQUIRE DAILY, AROUND-THE-CLOCK, LONG-TERM OPIOID TREATMENT AND FOR WHICH ALTERNATIVE TREATMENT OPTIONS ARE INADEQUATE ⤷  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

International Family Members for US Patent 8,808,740

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
African Regional IP Organization (ARIPO) 3815 ⤷  Try it Free
Argentina 084575 ⤷  Try it Free
Australia 2011346757 ⤷  Try it Free
Australia 2015246094 ⤷  Try it Free
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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