BioCancell Commences Phase I/IIa Pancreatic Cancer Trial

Trial to be partially funded with 950-thousand-dollar grant

Jerusalem, Israel — BioCancell Therapeutics, Inc. (TASE:BICL) today announced that it had commenced treatment of the first patient in its Phase I/IIa trial of the drug BC-819 as a treatment for pancreatic cancer. The purposes of the trial are to check the safety and initial efficacy of the treatment, and to establish the optimal dosage for the drug as a treatment for pancreatic cancer. The trial is expected to include between nine and twelve patients, who will each receive four treatments, twice per week for two weeks.

The NCI-designated Massey Cancer Center of Virginia Commonwealth University, the University of Maryland Medical Center in Baltimore, and Hadassah, Sheba and Meir Medical Centers in Israel are expected to participate in the trial. Treatments in Massey Cancer Center are partially funded by the Binational Industrial Research and Development Foundation (BIRD), which approved a grant in the amount of $950,000, or 50% of the predicted expenses of the project for this collaboration.

In previous pre-clinical experiments, a group of hamsters suffering from pancreatic cancer was treated with BC-819, and compared with a control group. The treated group displayed an average reduction of approximately 50% in the primary tumor volume, and a significant slowing in tumor progression compared to the control group. In addition, only one third of the treated group showed metastatic growths, while all of the animals in the control group developed metastases.

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BioCancell’s Technology – Patient-Oriented, Targeted Therapy

BioCancell’s technology is both Personal and Targeted. The approach is based on the identification of particular genes that are highly expressed only in tumors (“Target Genes”). The regulatory sequences of these Target Genes are used to drive the expression of a toxin gene exclusively within tumor cells, enabling targeted tumor-cell destruction, leaving normal cells intact. In effect, the plasmid acts as “smart bombs”, activated only inside their targets thus destroying only the cancerous cells, while leaving healthy cells intact.

The patient’s eligibility for the treatment is determined by analyzing the patient’s tumor for the expression of the specific Target Genes. The diagnosis of the expression of the Target Genes are, therefore, a prerequisite for treatment and is made possible through the Company’s proprietary diagnostic technology that enables detection of even a single malignant cell. Only those patients with high expression levels of the Target Genes in their tumor are eligible for treatment with high confidence of success.

The Company has designated two genes as Target Genes – H19 and IGF2.

H19 Gene

Discovered by Professor Avraham Hochberg in humans, H19 is an oncofetal gene that encodes RNA (with no protein product) that is expressed at high levels in over 30 types of human cancer tissues, while existing at a nearly undetectable level in the surrounding normal tissues, thus making it an optimal weapon in the fight against cancer.

The gene is expressed abundantly in the human placenta and in several embryonic tissues, but is repressed post-natally and only re-expressed with the appearance of cancer, within cancer cells. Studies show that H19 fulfills an important role in the process of tumorigenesis, and it is thought that the gene enables tumor cells to survive and proliferate under stress conditions.

 About BioCancell

BioCancell Therapeutics Inc. is a biopharmaceuticals corporation specializing in the development of Patient-Oriented, Targeted Therapy for the treatment of numerous types of cancer. The Company’s proprietary technology constitutes a novel paradigm for the targeted destruction of cancer cells, with no effect on normal surrounding tissue and no observed side effects, allowing for long-term, safe treatment and prevention of cancer.

BioCancell was co-founded in 2004 by Professor Avraham Hochberg, Professor of Molecular Biology at the Hebrew University of Jerusalem, based on technology developed by him over the past 15 years.

BioCancell’s securities are traded on the Tel Aviv Stock Exchange.

 

This press release contains “forward-looking” statements, including statements with respect to the further development and potential safety and efficacy of BC-819, in the treatment of superficial bladder cancer and BioCancell’s development strategy. Any statements contained in this press release that are not statements of historical fact may be deemed to be forward-looking statements. There are a number of important factors that could cause the results of BioCancell to differ materially from those indicated by these forward-looking statements, including, among others, the risk that the U.S. Food and Drug Administration may require changes to the protocols and informed consents for clinical trials of BC-819, which changes may have a material adverse effect on the timing of, and BioCancell’s ability to conduct, those clinical trials, risks related to the clinical advancement of its BC-819 plasmid, including, but not limited, to the risk that clinical trials for this product candidate may not demonstrate safety and efficacy sufficient to obtain the requisite regulatory approvals or to result in a marketable product and risks related to the potential for others to develop products containing or based on BC-819. BioCancell does not undertake any obligation to update forward-looking statements.

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