Thursday, April 16, 2015

Aeterna Zentaris files additional patent application of Zoptarelin Doxorubicin

Québec City, Canada, April 16, 2015, Aeterna Zentaris Inc. today announced that it has filed an application for a patent (European Patent Office priority application: EP15000132) on a novel method of manufacturing zoptarelin doxorubicin, its hybrid cytotoxic molecule that is the subject of a pivotal ZoptEC (Zoptarelin doxorubicin in Endometrial Cancer) Phase 3 clinical study in women with advanced, recurrent or metastatic endometrial cancer who have progressed and who have received one chemotherapeutic regimen with platinum and taxane (either as adjuvant or first-line treatment). The claimed manufacturing process is expected to result in a significant reduction in the cost of goods sold, providing a stronger competitive position for the Company. Zoptarelin doxorubicin is a complex molecule that combines a synthetic peptide carrier with doxorubicin, a well-known chemotherapy agent. The synthetic peptide carrier is a Luteinizing Hormone Releasing Hormone ("LHRH") agonist, a modified natural hormone with affinity for the LHRH receptor. The design of the compound allows for the specific binding and selective uptake of the cytotoxic conjugate by LHRH receptor-positive tumors. Potential benefits of this targeted approach include a better efficacy and a more favorable safety profile with lower incidence and severity of side effects as compared to doxorubicin alone.

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