U.S. Patent and Trademark Office issued US Patent No. 11,028,166 for the Company's Fully Human Albumin Binding Domain Fusion Proteins
PRINCETON, NJ / ACCESSWIRE / June 8, 2021 / Sonnet BioTherapeutics Holdings, Inc., (NASDAQ:SONN) a biopharmaceutical company developing innovative targeted biologic drugs, announced today that the United States Patent and Trademark Office (USPTO) has issued U.S. Patent No. 11,028,166 entitled, "Albumin Domain Fusion Proteins". The patent covers Sonnet's Fully Human Albumin Binding (FHAB™) technology and includes therapeutic fusion proteins that utilize FHAB for tumor targeting and retention and provide extended pharmacokinetics (PK), and the patent carries a term effective until March 2039.
"This intellectual property approval is an important milestone that provides significant differentiation from any existing or emerging competitive technologies that may leverage Human Serum Albumin," said Pankaj Mohan, Ph.D., Founder and CEO. "This represents the strategic foundation underpinning our product pipeline roadmap and provides important validation for our FHAB platform. Through the development of our product pipeline, we are very excited to extend our unique and patent-protected technology to patients."
Sonnet's FHAB platform consists of a single, fully human construct of a FHAB antibody fragment that has high affinity to bind to human albumin. The platform provides an off-the-shelf lock and load opportunity to rapidly develop numerous therapeutic biologics.
John Cini, Co-Founder and CSO, commented "The FHAB platform technology endows all Sonnet pipeline assets with a mono- or bi-specific mechanism of action. When tested in vivo against numerous wild type cytokines, Sonnet's FHAB-derived candidates have reproducibly shown improved efficacy. Based on a linear, flexible structure, FHAB displays improved penetration and retention in the TME, and enhanced payload delivery to the tumor, via both passive and active transport mechanisms, as well as extended pharmacokinetics."
About Sonnet BioTherapeutics Holdings, Inc.
Sonnet BioTherapeutics is an oncology-focused biotechnology company with a proprietary platform for innovating biologic drugs of single or bispecific action. Known as FHAB (Fully Human Albumin Binding), the technology utilizes a fully human single chain antibody fragment (scFv) that binds to and "hitch-hikes" on human serum albumin (HSA) for transport to target tissues. FHAB is the foundation of a modular, plug-and-play construct for potentiating a range of large molecule therapeutic classes, including cytokines, peptides, antibodies and vaccines.
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