BioLineRx announced the U.S. Food and Drug Administration (FDA) has granted the Biological Product Designation for AGI-134, the company's novel immunotherapy compound. This designation provides the company with eligibility to obtain 12 years of market exclusivity upon approval of the product for commercial use by the FDA. This regulatory market exclusivity adds an incremental layer of protection in addition to that afforded by existing patents granted in the United States and Europe, and pending in other countries, covering the use of AGI-134 for the treatment of solid cancer tumors. These patents are valid until May 2035, with a possible term extension of up to five additional years.
"We are extremely pleased to receive the FDA's Biological Product Designation for AGI-134, our second lead oncology asset. This classification as a biological product is very significant, since it provides us with additional valuable exclusivity and confirms the FDA's acceptance of AGI-134's main mechanism of action as a vaccine," said Philip Serlin, Chief Executive Officer of BioLineRx. "Pre-clinical studies have demonstrated that treatment with AGI-134 leads to complete regression of primary tumors, prevents growth of untreated distal secondary tumors, and triggers a vaccine effect that may prevent the development of future metastases. Furthermore, in prior studies, the combination of AGI-134 with an anti-PD-1 immune checkpoint inhibitor demonstrated a synergistic effect in protection from secondary tumor growth. We recently initiated a Phase 1/2a study of this promising product in solid tumors, as both monotherapy and in combination with checkpoint inhibitors, and we anticipate initial top-line results from this important study by the end of 2020."
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AGI-134 is a synthetic alpha-Gal glycolipid in development for solid tumors that is highly differentiated from other cancer immunotherapies. AGI-134 is designed to label cancer cells with alpha-Gal via intratumoral administration, thereby targeting the body's pre-existing, highly abundant anti-alpha-Gal (anti-Gal) antibodies and redirecting them to treated tumors. Binding of anti-Gal antibodies to the treated tumors results in activation of the complement cascade, which destroys the tumor cells and creates a pro-inflammatory tumor microenvironment that also induces a systemic, specific anti-tumor (vaccine) response to the patient's own tumor neo-antigens.
AGI-134 has been evaluated in numerous pre-clinical studies. In a mouse melanoma model, treatment with AGI-134 led to regression of established primary tumors and suppression of secondary tumor (metastases) development. Synergy has also been demonstrated in additional pre-clinical studies when combined with an anti-PD-1 immune checkpoint inhibitor, offering the potential to broaden the utility of such immunotherapies, and improve the rate and duration of responses in multiple cancer types. AGI-134 was obtained by BioLineRx through the acquisition of Agalimmune.