Immunotherapy of epithelial tumors using intralesional injection of antigens that induce a delayed type hypersensitivity reaction
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United States of America Patent
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Feb 26, 2002
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N/A
app pub date -
Jun 25, 1999
filing date -
Jun 25, 1999
priority date (Note) -
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Abstract
The present immunotherapy relates to a method of treating epithelial tumors and the pharmaceutical compositions and kits useful in treating such tumors. The immunotherapy comprises injecting an effective amount of a pharmaceutical composition containing at least one antigen into the tumor, wherein the antigen is selected for inducing or having the ability to induce a cutaneous delayed type hypersensitivity (DTH) response in the subject prior to the injection of the antigen into the tumors. This immunotherapy is particularly useful in treating epithelial tumors, such as warts or verrucae, that are induced by or related to papillomavirus. Antigens useful in the present immunotherapy are anergy panel antigens, such as killed mumps virus, candida extract, trichophyton extract or comparable antigenic extracts. Additionally, the method optionally includes the injection of an effective amount of at least one cytokine or colony stimulating factor into the tumor either simultaneously with or sequentially to the injection of the antigen. The subject treated by the present immunotherapy is preferably a mammal selected from a human, canine, bovine, feline, equine, ovine or rabbit subject.
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