Details for Patent: 5,543,152

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Summary for Patent: 5,543,152

Title:	Sphingosomes for enhanced drug delivery
Abstract:	Liposomal formulations having extended circulation time in vivo and increased drug retention are comprised of sphingomyelin and cholesterol and have an acidic intraliposomal pH. The formulations have enhanced stability and thus are used in methods which provide improved drug delivery and more effective treatment. The delivery of lipophilic drugs such as the vinca alkaloids, and particularly vincristine and vinblastine, to tumors is significantly improved.
Inventor(s):	Webb; Murray S. (Vancouver, CA), Bally; Marcel B. (Bowen Island, CA), Mayer; Lawrence D. (North Vancouver, CA)
Assignee:	Inex Pharmaceuticals Corporation (Vancouver, CA)
Application Number:	08/263,603
Patent Claim Types: see list of patent claims	Composition; Dosage form; Delivery; Compound; Process; Formulation;

Drugs Protected by US Patent 5,543,152

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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

International Family Members for US Patent 5,543,152

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Australia	2709495	⤷ Sign Up
Canada	2193502	⤷ Sign Up
Germany	69531701	⤷ Sign Up
European Patent Office	0804159	⤷ Sign Up
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