Vaccine for the prevention of breast cancer relapse

A - Human Necessities – 61 – K

Patent

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Details

A61K 39/00 (2006.01) A61P 35/00 (2006.01) A61P 37/04 (2006.01) C07K 14/71 (2006.01) C07K 14/82 (2006.01)

Patent

CA 2687368

The invention features methods to induce and maintain a protective cytotoxic T-lymphocyte response to a peptide of the HER2/neu oncogene, E75, with the effect of inducing and maintaining protective or therapeutic immunity against breast cancer in a patient in clinical remission. The methods comprise administering to the patient an effective amount of a vaccine composition comprising a pharmaceutically acceptable carrier, an adjuvant such as recombinant human GM-CSF, and the E75 peptide at an optimized dose and schedule. The methods further comprise administering an annual or semi-annual booster vaccine dose due to declining E75-specific T cell immunity. The invention also features vaccine compositions for use in the methods.

L'invention concerne des procédés permettant d'induire et de maintenir une réponse protectrice des lymphocytes T cytotoxiques à un peptide de l'oncogène HER2/neu, E75, avec l'effet d'induire et de maintenir une immunité protectrice ou thérapeutique contre le cancer du sein chez un patient en rémission clinique. Les procédés comprennent l'administration au patient d'une quantité efficace d'une composition de vaccin comprenant un vecteur pharmaceutiquement acceptable, un adjuvant tel que GM-CSF humain recombinant, et le peptide E75 à une dose et un programme optimisés. Les procédés comprennent en outre l'administration d'une dose de rappel de vaccin annuelle ou semestrielle en raison du déclin de l'immunité des lymphocytes T spécifiques au E75. L'invention présente également des compositions de vaccin destinées à être utilisées dans les procédés.

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