Abstract published today at the American Association for Cancer Research (AACR) Annual Meeting shows the GP2 final 5 year immune response data from the Phase IIb clinical trial.
Poster showing graphs of immune response data over time will be published by AACR on Saturday, April 10th at 8:30 am ET. The Company plans to publish the poster, the abstract, and an audio recording in a joint press release on April 10th.
Potent immune response data supports the previously reported clinical outcome of 0% metastatic breast cancer recurrences over 5 years of follow-up.
Statistically significant peak immunity was reached after 6 months of GP2 treatment as measured in both a GP2 specific CD8 T cell dimer binding assay and a delayed-type-hypersensitivity (DTH) skin test.
HER2 3+ population immune response was similar to the HER2 1-2+ population immune response, suggesting the potential to treat the HER2 1-2+ population (including triple negative breast cancer) with GP2 immunotherapy in combination with trastuzumab (Herceptin) based products and other clinically active agents.
Broad based immune response suggests that GP2 immunotherapy and Herceptin based products may also have the potential to treat other HER2 1-3+ expressing cancers.
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