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Generated: June 25, 2017

DrugPatentWatch Database Preview

Details for Patent: 5,874,104

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Summary for Patent: 5,874,104

Title: Treatment of systemic fungal infections with phospholipid particles encapsulating polyene antibiotics
Abstract:Formulations consisting of phospholipid small unilamellar particles encapsulating polyene antifungal antibiotics and methods for using such compositions to treat systemic fungal infections are described. In a preferred embodiment, the particles are in the form of vesicles which comprise a polyene antifungal antibiotic, preferably amphotericin B and/or nystatin, egg phosphatidylcholine and cholesterol, preferably in the molar ratio of about 0.2 (AMB):2(PL):1(CHOL). These vesicles may also have an amine modified surface. The vesicles are suspended in a low isonic strength saccharide/tris solution at a pH of from about 6.0 to about 8.0 and may be administered to deliver the antifungal antibiotic to treat systemic fungal infections.
Inventor(s): Adler-Moore; Jill (Altadena, CA), Gamble; Ronald C. (Altadena, CA), Proffitt; Richard T. (Arcadia, CA)
Assignee: NeXstar Pharmaceuticals, Inc. (Boulder, CO)
Application Number:08/467,864
Patent Claim Types:
see list of patent claims
Composition; Compound; Use; Process; Formulation;

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International Patent Family for Patent: 5,874,104

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
European Patent Office0260811► Subscribe
Denmark434187► Subscribe
Denmark168982► Subscribe
Spain2051740► Subscribe
Canada1292184► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving 500+ biopharmaceutical companies globally:

McKesson
Chubb
Julphar
Accenture
Colorcon
Argus Health
Healthtrust
UBS
Harvard Business School
Cantor Fitzgerald

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