Processes and Compositions for Liposomal and Efficient Delivery of Gene Silencing Therapeutics

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United States of America Patent

APP PUB NO 20100112042A1
SERIAL NO

12580250

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Processes and compositions for liposomal delivery of therapeuticals prepared by contacting an aqueous solution of an active agent with a solution of liposome-forming components containing one or more DILA2 amino acid compounds or lipids in organic solvent to form an impinging stream. A protocol including flow rates, pH, and an incubation period are used to control formation of liposomal components for therapeutic applications. The impinging stream may be collected and incubated to prepare a liposomal formulation which encapsulates the active agent. The composition can be quenched with buffer and filtered by tangential flow and diafiltration and other means for finishing as a pharmaceutical composition. An efficiency for delivering a drug cargo is provided. Compositions can include a liposome containing one or more carrier particles, each carrier particle having an active agent and a peptide, wherein the ratio of the mass of the peptide plus the mass of the liposome to the mass of the active agent is less than about 15.

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Patent Owner(s)

Patent OwnerAddress
MDRNA INC3830 MONTE VILLA PARKWAY BOTHELL WA 98021

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adami, Roger C Bothell, US 31 333
Giyanani, Jaya S Irvine, US 3 31
Harvie, Pierrot Bothell, US 24 280
Houston,, JR Michael E Sammamish, US 36 267
Johns, Rachel E Shoreline, US 9 36
Polisky, Barry A Boulder, US 5 45
Templin, Michael V Bothell, US 19 162

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