The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 08, 2019

Filed:

Mar. 25, 2015
Applicant:

The United States of America As Represented BY the Secretary of the Army, Washington, DC (US);

Inventors:

Carl R. Alving, Bethesda, MD (US);

Zoltan Beck, Rockville, MD (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/127 (2006.01); A61K 39/00 (2006.01); A61K 39/21 (2006.01); A61K 39/39 (2006.01); A61K 39/12 (2006.01); C12N 7/00 (2006.01);
U.S. Cl.
CPC ...
A61K 39/21 (2013.01); A61K 9/127 (2013.01); A61K 39/12 (2013.01); A61K 39/39 (2013.01); C12N 7/00 (2013.01); A61K 2039/55555 (2013.01); A61K 2039/55572 (2013.01); A61K 2039/55577 (2013.01); C12N 2740/16034 (2013.01); C12N 2740/16134 (2013.01); C12N 2740/16171 (2013.01);
Abstract

Provided herein is an adjuvant formulation comprising a monophosphoryl lipid A (MPLA)-containing liposome composition to saponin (e.g., QS-21), wherein the liposome composition comprises i) a lipid bilayer comprising phospholipids in which the hydrocarbon chains have a melting temperature in water of ≥23° C. and ii) cholesterol at a mole percent concentration of greater than about 50% (mol/mol), preferably about 55% to about 71% (mol/mol), or more preferably about 55% (mol/mol). The adjuvant formulation displays minimal toxicity of either lipid A or saponin.


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