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US Patent Application 20100062019 - NEW VACCINE FORMULATIONS

Application 20100062019 Filed on September 10, 2009. Published on March 11, 2010

Inventors

US Classes

424/209.1, Orthomyxoviridae (e.g., influenza virus, fowl plague virus, etc.)424/258.1, Salmonella (e.g., Salmonella typhimurium, etc.)424/204.1, Virus or component thereof424/229.1, Herpetoviridae (e.g., herpesvirus, Marek`s disease virus, laryngotracheitis virus, infectious bovine rhinotracheitis virus (IBR), infectious pustular vulvovaginitis virus, bovine herpes virus type 1, Aujeszky`s disease virus, feline rhinotracheitis virus, feline herpes virus, etc.)424/222.1, Infectious bronchitis virus (IBV)424/221.1, Coronaviridae (e.g., neonatal calf diarrhea virus, feline infectious peritonitis virus, canine coronavirus, etc.)424/253.1, Bordetella (e.g., Bordetella bronchiseptica, etc.)424/264.1, Mycoplasma424/234.1Bacterium or component thereof or substance produced by said bacterium (e.g., Legionella, Borrelia, Anaplasma, Shigella, etc.)

Attorney, Agent or Firm

International Classes

A61K 39/145
A61K 39/112
A61K 39/12
A61K 39/00
A61K 39/215
A61K 39/10
A61K 39/02
A61P 37/04
A61P 31/08


Abstract text


The present invention provides for a novel oil-in-water (O/W) emulsion, with increased stability in the presence of bacterial or viral suspensions, especially those concentrated and non-purified or weakly purified. The emulsion of the present invention can act as vehicle for the delivery of a pharmaceutical composition comprising at least one immunogen and, in particular, an immunogen selected from the group comprising an inactivated pathogen, an attenuated pathogen, a subunit, a recombinant expression vector, and a plasmid or combinations thereof. In one embodiment, the present invention provides for an injectable oil-in-water (O/W) emulsion comprising:
    • (1) an aqueous solution containing an immunogen, said immunogen selected from the group comprising an inactivated Mycoplasma hyopneumoniae bacterium, an inactivated porcine circovirus type 2 (PCV-2) virus or combinations thereof;
    • (2) a mineral oil;
    • (3) a non-ionic lipophilic surfactant; and
    • (4) a non-ionic hydrophilic surfactant having a low HLB value which comprises ethoxylated fatty acid diesters of sorbitan (generally having HLB value between 11 and 13).

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