Patent ID: 10420837

Abstract:
The present invention provides a vaccine pharmaceutical composition for transdermal administration which is safe, usable as a prophylactic or therapeutic agent for cancer or infectious diseases, and capable of safely and effectively inducing a systemic immune response. It can be administered to a human or animal skin, the vaccine pharmaceutical composition including: a lipopolysaccharide or its salt, derived from at least one gram-negative bacterium such as Serratia, Lelercia, Rahnella, Acidicaldus, Acidiphilium, Acidisphaera, Acidocella, Acidomonas, Asaia, Belnapia, Craurococcus, Gluconacetobacter, Gluconobacter, Kozakia, Leahibacter, Muricoccus, Neoasaia, Oleomonas, Paracraurococcus, Rhodopila, Roseococcus, Rubritepida, Saccharibacter, Stella, Swaminathania, Teichococcus, Zavarzinia, Pseudomonas, Achromobacter, Bacillus, Methanoculleus, Methanosarcina, Clostridium, Micrococcus, Flavobacterium, Pantoea, Acetobacter, Zymomonas, Xanthomonas, and Enterobacter, as an immunostimulant; and at least one antigen, the vaccine pharmaceutical composition having a mass ratio between the immunostimulant and the antigen, the total mass of the immunostimulant/the total mass of the antigen, of 0.002 to 500.