Vaccine compositions comprising a saponin adjuvant

A - Human Necessities – 61 – K

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Details

A61K 39/00 (2006.01) A61K 39/12 (2006.01) A61K 39/145 (2006.01)

Patent

CA 2633008

The present invention provides a human dose of an immunogenic composition comprising an antigen or antigenic preparation, in combination with an adjuvant which adjuvant comprises an immunologically active saponin fraction derived from the bark of Quillaja Saponaria Molina presented in the form of a liposome and a lipopolysaccharide wherein said saponin fraction and said lipopolysaccharide are both present in said human dose at a level of below 30~g. The present invention further provides an adjuvant composition in a human dose suitable volume comprising between 1 and 30 ~g of a lipopolysaccharide and between 1 and 30 ~g of an immunologically active saponin fraction presented in the form of a liposome.

La présente invention concerne une dose humaine d'une composition immunogène comprenant un antigène ou une préparation antigénique, en association avec un adjuvant, lequel adjuvant comprend une fraction immunologiquement active de saponine dérivée de l'écorce de Quillaja saponaria Molina présentée sous la forme d'un liposome et un lipopolysaccharide, ladite fraction de saponine et ledit lipopolysaccharide étant tous deux présents dans ladite dose humaine à un niveau inférieur à 30 µg. La présente invention concerne en plus une composition d'adjuvant dans un volume convenant pour une dose humaine comprenant entre 1 et 30 µg d'un lipopolysaccharide et entre 1 et 30 µg d'une fraction immunologiquement active de saponine présentée sous la forme d'un liposome.

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