On May 8, 2017 AVEO Oncology (NASDAQ: AVEO) reported that it received a Notice of Allowance from the United States Patent and Trademark Office (USPTO) for U.S. patent application number 14/653,684, entitled "notch binding agents and antagonists and methods of use thereof." Allowed under the application are composition of matter and method of use claims related to the Company’s humanized anti-Notch 3 antibodies, including AV-353. The U.S. patent scheduled to issue from this application will expire December 19, 2032, with the potential for extension to December 19, 2037. Schedule your 30 min Free 1stOncology Demo! AV-353 is a potent inhibitory antibody specific to Notch 3, a pathway implicated in multiple diseases, including Pulmonary Arterial Hypertension (PAH). In preclinical studies, AV-353 has demonstrated the ability to potentially reverse the PAH disease phenotype, which would represent a potential disease-modifying approach to treatment. PAH is a rare and life-threatening disorder that affects approximately 250,000 people worldwide and is caused by enlargement of the arterial walls in small arteries between the heart and the lungs, resulting in restricted blood flow.
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"AV-353’s disease modifying properties have the potential to transform the future treatment of PAH, a debilitating disorder for which current therapies target only symptoms," said Michael Bailey, president and chief executive officer of AVEO. "AV-353’s selectivity and high affinity to Notch 3, which are unique from other approaches targeting the Notch pathway, have enabled us to build an increasingly broad patent estate around the program. Consistent with our strategic focus on oncology, we continue to engage with potential partners around the worldwide development of this important therapeutic candidate."