Healthcare Industry News:  gene therapy  

Biopharmaceuticals Oncology

 News Release - March 25, 2015

VBL Therapeutics Reports Interim Topline Results From Phase 2 Clinical Trial of VB-111 in Recurrent Glioblastoma (rGBM)

Interim Data Demonstrate Statistically Significant Improvement in Overall Survival in Patients Treated With VB-111 in Combination With Bevacizumab (Avastin(R))

TEL AVIV, Israel, March 25, 2015 -- (Healthcare Sales & Marketing Network) -- VBL Therapeutics (VBLT), a late-stage clinical biotechnology company focused on the discovery, development and commercialization of first-in-class treatments for cancer, today announced top-line interim results from its ongoing Phase 2 study of VB-111 in patients with recurrent glioblastoma (rGBM), which demonstrated a statistically significant improvement in overall survival in patients treated with VB-111 followed by VB-111 in combination with bevacizumab (Avastin(R)) upon disease progression, compared to patients treated with VB-111 followed by bevacizumab alone upon disease progression (p=0.05). Study results will be presented in conjunction with the American Society of Cancer Oncology (ASCO) Annual Meeting, May 29th-June 2nd, 2015 in Chicago, Illinois.

"We are extremely pleased by these interim results and are particularly excited to see a statistically significant improvement in overall survival in this needy patient population. We believe VB-111's ability to curb disease progression in this devastating illness further reinforces its broad potential as a gene therapy for a range of solid tumor indications," said Dror Harats, M.D., Chief Executive Officer of VBL Therapeutics. "We continue to work to bring VB-111 forward as a potential new treatment option, and look forward to initiating a pivotal Phase 3 trial in recurrent glioblastoma later this year."

These interim Phase 2 data include 46 patients with rGBM. VB-111 monotherapy was discontinued upon progression in 22 patients who were then treated with bevacizumab alone. The remaining 24 patients, upon disease progression on VB-111 monotherapy, could elect to receive further treatment with VB-111 in combination with bevacizumab. 23 have received combined therapy; one patient is still stable on VB-111 monotherapy at 424 days. VB-111 in combination with bevacizumab demonstrated a statistically significant improvement in overall survival, with median overall survival of 414 days, compared to 235 days in patients on VB-111 followed by bevacizumab alone (p=0.05).

VBL's pivotal Phase 3 clinical trial will be led by Dr. Timothy Cloughesy, MD, Professor of Clinical Neurology and Director of the Neuro-Oncology Program, UCLA School of Medicine and is expected to initiate in mid-2015 under a special protocol assessment granted by the FDA.

Study Details

The Phase 1/2 trial is a multi-center, two stage, dose-escalation study designed to determine the safety, tolerability and efficacy of VB-111 in patients with rGBM. In the first stage of the study, patients were treated with VB-111 alone. Upon disease progression -- defined according to the Response Assessment in Neuro-Oncology (RANO) criteria as a worsening of the patient's cancer with an increase of at least 25% in the overall mass of measurable tumors, the appearance of new tumors, the worsening of non-measurable tumors since the beginning of treatment, a need for increased dose of corticosteroids, or clinical deterioration -- patients entered the second stage in which they received either bevacizumab alone or bevacizumab in combination with VB-111, in two sequential cohorts.

About VB-111

VB-111 is a novel, intravenously-administered, anti-angiogenic agent that utilizes VBL's proprietary Vascular Targeting System (VTS(TM)) to target endothelial cells in the tumor vasculature for cancer therapy. VB-111 continues a non-replicating adenovector, a proprietary modified murine pre-proendothelin promoter (PPE-1-3x) and a Fas-Chimera transgene to angiogenic tumor blood vessels, leading to their apoptosis. VB-111 is the first agent based on transcriptional targeting of tumor endothelium to be assessed in a clinical trial.

VB-111 completed a Phase 1/2 "all-comers" clinical trial, which demonstrated multiple cases of objective tumor response and disease control and excellent safety and tolerability. VB-111 has Fast Track Designation for recurrent glioblastoma in the US and organ drug status for glioblastoma in both the US and EU. VBL is conducting early phase II studies in thyroid and ovarian cancer.

About VBL

Vascular Biogenics Ltd., operating as VBL Therapeutics, is a late-stage clinical biopharmaceutical company focused on the discovery, development and commercialization of first-in-class treatments for cancer. The Company's lead oncology product candidate, VB-111, is a gene-based biologic that is initially being developed for recurrent glioblastoma, or rGBM, an aggressive form of brain cancer. VB-111 has received orphan drug designation in both the United States and Europe and was granted Fast Track designation by the FDA for prolongation of survival in patients with glioblastoma that has recurred following treatment with standard chemotherapy and radiation. VBL Therapeutics expects to begin the pivotal Phase 3 clinical trial of VB-111 in rGBM in mid-2015, under a special protocol assessment agreement granted by the FDA.

Forward Looking Statements:

This press release contains forward-looking statements. These forward-looking statements are not promises or guarantees and involve substantial risks and uncertainties. Among the factors that could cause actual results to differ materially from those described or projected herein include uncertainties associated generally with research and development, clinical trials and related regulatory reviews and approvals, and the risk that historical clinical trial results may not be predictive of future trial results. In particular, results from our proposed pivotal Phase 3 clinical trial of VB-111 in rGBM may not support approval of VB-111 for marketing in the United States, notwithstanding the positive results seen in our current clinical trial. A further list and description of these risks, uncertainties and other risks can be found in the Company's regulatory filings with the U.S. Securities and Exchange Commission. Existing and prospective investors are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. VBL Therapeutics undertakes no obligation to update or revise the information contained in this press release, whether as a result of new information, future events or circumstances or otherwise.

Source: VBL Therapeutics

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