Cancer Weekly
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Cancer Vaccines
New cancer vaccines research reported from Leiden University
March 24th, 2009
"The tumor-associated self-antigen p53 is commonly overexpressed in cancer, including colorectal cancer, and can serve as a target for immunotherapy. The safety and immunogenicity of a p53 synthetic long peptide (p53-SLP) vaccine were investigated in patients treated for metastatic colorectal cancer," investigators in Netherlands report. "Ten patients were vaccinated twice with a set of 10 overlapping p53-SLP in a phase I/II trial. Both the safety and the breadth, magnitude, and polarization of vaccine-induced p53-specific T cells was evaluated in blood samples drawn before and after vaccination by IFN-gamma enzyme-linked immunospot, proliferation, cytokine secretion,...
Source: Cancer Weekly (2009-03-24)
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