Patent · US Active

Opioid agonist formulations with releasable and sequestered antagonist

US8231901B2 · kind B2 · utility

18Cited by

189References

20Claims

0Family size

Assignee

PURDUE PHARMA L.P. · US

Inventors

Christopher Breder · Bethesda, US
Curtis Wright · Gloucester, US
Benjamin Oshlack · Boca Raton, US

Key dates

Filing date	Mar 8, 2011
Grant date	Jul 31, 2012
Priority date	—
Expiry date	Mar 8, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K9/5026
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Disclosed are oral dosage forms, comprising (i) a therapeutically effective amount of an opioid agonist; (ii) an opioid antagonist in releasable form; and (iii) a sequestered opioid antagonist which is not released when the dosage form is administered intact, and methods thereof.

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