Last Updated: November 7, 2026

Details for Patent: 8,545,832

Name: Drug Patent Intelligence for US Patent 8545832
Creator: DrugPatentWatch
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Summary for Patent: 8,545,832

Title:	Lipid depot formulations
Abstract:	The present invention relates to pre-formulations comprising low viscosity, non-liquid crystalline, mixtures of: a) at least one neutral diacyl lipid and/or at least one tocopherol; b) at least one phospholipid; c) at least one biocompatible, oxygen containing, low viscosity organic solvent; wherein at least one bioactive agent is dissolved or dispersed in the low viscosity mixture and wherein the pre-formulation forms, or is capable of forming, at least one liquid crystalline phase structure upon contact with an aqueous fluid. The preformulations are suitable for generating parenteral, non-parenteral and topical depot compositions for sustained release of active agents. The invention additionally relates to a method of delivery of an active agent comprising administration of a preformulation of the invention, a method of treatment comprising administration of a preformulation of the invention and the use of a preformulation of the invention in a method for the manufacture of a medicament.
Inventor(s):	Krister Thuresson, Fredrik Tiberg, Markus Johansson, Ian Harwigsson, Fredrik Joabsson, Markus Johnsson
Assignee:	Camurus AB , Camarus AB
Application Number:	US13/537,096
Patent Claim Types: see list of patent claims	Use; Composition; Formulation; Process; Delivery; Dosage form;

Drugs Protected by US Patent 8,545,832

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Patented / Exclusive Use	Submissiondate
>Applicant	>Tradename	>Generic Name	>Dosage	>NDA	>Approval Date	>TE	>Type	>RLD	>RS	>Patent No.	>Patent Expiration	>Product	>Substance	>Delist Req.	>Patented / Exclusive Use	>Submissiondate

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Austria	E462409	⤷ Start Trial
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Australia	2005249274	⤷ Start Trial
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