The Phase I study is part of a Phase I/II trial cleared by the U.S. FDA and Health Canada. The Phase II portion of the trial will be a randomized, double-blinded, placebo-controlled study with a vaccine dose selected based on the Phase I results. The Phase II trial will assess the clinical benefit of DPX-Survivac in patients with advanced ovarian cancer.
The positive results in the company's cancer vaccine program follow immediately on the heels of the Company's announcement of similarly strong results from its infectious disease program. Last week, Immunovaccine announced that data from an immunogenicity study of anthrax vaccines formulated in the Company's DepoVax adjuvanting platform showed DepoVax-based vaccines provided a more rapid and long lasting immune response as compared to the licensed anthrax vaccine BioThrax. The two studies both leveraged the same DepoVax platform to enhance immune response sharply in different vaccines targeting different indications.
"We're encouraged that the data continues to accumulate showing IMV's technology can speed up immune responses and make them stronger and longer lasting, for a wide range of vaccines," said John Trizzino, chief executive officer of Immunovaccine. "Whether in cancer immunotherapy or in protection against infectious disease, the results are very positive."
DPX-Survivac consists of survivin-based peptide antigens formulated in the DepoVax adjuvanting platform. Survivin has been recognized by the National Cancer Institute (NCI) as a promising tumor-associated antigen (TAA) because of its therapeutic potential and its cancer specificity. Survivin is broadly over-expressed in multiple cancer types in addition to ovarian cancer, including breast, colon and lung cancers. Survivin plays an essential role in antagonizing apoptosis, supporting tumor-associated angiogenesis, and promoting resistance to various anti-cancer therapies. Survivin is also a prognostic factor for many cancers and it is found in a higher percentage of tumors than other TAA's.
The DPX-Survivac vaccine is thought to work by eliciting a cytotoxic T-cell immune response against cells presenting survivin peptides on HLA class I molecules. This targeted therapy attempts to use the immune system to actively and specifically search for and destroy tumor cells. Survivin-specific T-cells have been shown to target and kill survivin-expressing cancer cells while sparing normal cells.
DepoVax is a patented formulation that provides controlled and prolonged exposure of antigens plus adjuvant to the immune system, resulting in a strong, specific and sustained immune response with the capability for single-dose effectiveness. The DepoVax platform possesses impressive flexibility, allowing it to work with a broad range of target antigens in various therapeutic applications. The technology is also commercially scalable, with potential for years of stability and ease of use in the clinic.
Immunovaccine Inc. applies its novel adjuvanting platform to the development of vaccines for cancer therapy, infectious diseases and animal health. The Company's DepoVax platform is a patented formulation that provides controlled and prolonged exposure of antigens plus adjuvant to the immune system. Immunovaccine has advanced two DepoVax-based cancer vaccines into Phase I human clinical trials. The Company is also advancing a broad infectious disease pipeline including vaccines in such indications as malaria, respiratory syncytial virus (RSV) and anthrax. In addition to the Company's human health vaccine strategy, it continues to capture value from animal health vaccine applications. Immunovaccine has key partnerships in the animal health sector including an agreement with Pfizer Animal Health. Connect at www.imvaccine.com.
This press release contains forward-looking information under applicable securities law. All information that addresses activities or developments that we expect to occur in the future is forward-looking information. Forward-looking statements are based on the estimates and opinions of management on the date the statements are made. However, they should not be regarded as a representation that any of the plans will be achieved. Actual results may differ materially from those set forth in this press release due to risks affecting the company, including access to capital, the successful completion of clinical trials and receipt of all regulatory approvals. Immunovaccine Inc. assumes no responsibility to update forward-looking statements in this press release.
Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.
Dr. Marc Mansour
Chief Science Officer
Vida Communication (media)
Vida Communication (investors)
Brisco Capital Partners (Canadian investors)
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