Peak Bio, Inc. Awarded Patent with Broad Coverage for Thailanstatin-ADC platform technology (PH-1) a Payload with Novel Immunomodulatory Effects that Target RNA Splicing

In This Article:

Peak Bio, Inc.
Peak Bio, Inc.

Pleasanton, CA, Jan. 04, 2024 (GLOBE NEWSWIRE) -- Peak Bio, Inc. ("Peak Bio" or the "Company") (OTCQB) PK: PKBO), announced that it was awarded US Patent No. 11,691,982 B2 entitled “Thailanstatin Analogs” by The United States Patent and Trademark Office (USPTO). The new patent describes properties of potent heteroaryl-substituted Thailanstatin payloads, proprietary non-cleavable and cleavable linkers, and antibody-drug conjugate (ADC) technology derived from it. Peak Bio is a clinical-stage biopharmaceutical company focused on developing and commercializing the next-generation of innovative therapeutics that aim to improve and address significant unmet medical need for patients with inflammatory, rare-specialty diseases and cancer.

The patent granted by the USPTO covers claims for the Company’s potent Thailanstatin payload platform specific to the spliceosome protein, SF3B1. This patent application is a divisional patent of the Company’s R&D toxin portfolio on Thailanstatin, termed PH-1, building on the portfolio of previously issued patents (Patent No. US 10,815,246 B2, and Patent No. US 10,301,319 B2). Grant Patent right for PCT/US2018/051721 family was issued by China National Intellectual Property Administration in Aug 2023, and in Israel in Sept 2023. Corresponding foreign patent applications are pending and currently undergoing examination in PCT countries - Australia, Canada, the European Patent Office, Japan, Mexico, New Zealand, Singapore, and others.

Structure-activity-relationship studies for novel compounds and medicinal chemistry routes for their synthesis are also described. This Patent is an important addition to the intellectual property portfolio surrounding the Company’s ADC technology, and significantly enhances the patent position for both internal and future potential partner programs.

Peak Bio is developing a differentiated Trop2 PH1 ADC and is investigating collaborations for clinical development and/ or commercialization of this asset along with other collaboration opportunities that incorporate our novel payloads.

Stephen LaMond, PharmD, MBA, Peak Bio, Inc. Interim CEO and COO, commented, "We are pleased to announce the grant of our patents in US, China and Israel and the continued progress with our oncology portfolio (ADCs) that incorporate our novel payloads. We believe the strong interest in novel payloads and ADCs in general will continue given the need for novel and differentiated approaches to the treatment of cancers now and in the future.”