XL-protein and Antlia Bioscience Announce Collaboration to Develop Long-acting Peptide Therapy of Chronic Heart Failure using PASylation Technology

SAN DIEGO, CA, USA and FREISING, Germany I October 15, 2020 I Antlia Bioscience, Inc., a privately owned biopharmaceutical company located in San Diego, California, and XL-protein GmbH, a privately owned biopharmaceutical company located in Germany, are pleased to announce a strategic slliance using XL-protein's proprietary PASylation® technology for plasma half-life extension to develop a novel, long-acting, peptide therapeutic treatment for chronic heart failure. Brian Johnson, Antlia Bioscience’s CEO commented, "chronic heart failure is a significantly unaddressed medical condition and a major public health concern. XL-protein's PASylation® technology will allow us to safely and effectively translate our peptide into a meaningful therapeutic option for patients with chronic heart failure. "PASylation® is an excellent biological solution for plasma-half extension of therapeutic peptides, and we believe that PASylation® offers a simpler manufacturing process and superior pharmacological properties," commented Claus Schalper, CEO of XL-protein. "We are excited to work with Antlia Bioscience to further exploit the potential of our technology and to develop new therapeutic options for the treatment of chronic heart failure." Financial terms of the agreement have not been disclosed.

About PASylation® Technology

'PASylation' involves the genetic fusion or chemical conjugation of a therapeutic protein or pharmaceutically active compound with a conformationally disordered polypeptide of defined sequence comprising the small natural amino acids Pro, Ala, and/or Ser. Due to the biophysical size effect, the typically rapid clearance via renal filtration of the original drug can be retarded by a factor 10-100, depending on the length of the PAS chain. PAS sequences are highly soluble while lacking charges, they are biochemically inert, non-toxic and non-immunogenic, they offer efficient recombinant protein production in a variety of biotechnological host organisms, and they show high stability in blood plasma but are biodegradable by intracellular proteases.

About XL-protein GmbH

XL-protein is a German biotech company commercializing its ground-breaking PASylation® technology, which enables the design of biopharmaceuticals with extended plasma half-life and enhanced action. Based on a strong proprietary technology position, XL-protein focuses at the preclinical as well as clinical development of PASylated proteins in diverse disease areas. XL-protein is engaged in a growing number of partnerships with international pharmaceutical and biotech companies at various levels.

For more information, please visit: www.xl-protein.com

About Antlia Bioscience, Inc.

Antlia Bioscience is a San Diego-based biotech developing groundbreaking peptide-based therapies to treat cardiovascular and metabolic diseases. Using PASylation® and other state-of-the-art techniques, we turn promising peptides into groundbreaking therapies. We are driven to make a profound difference in the treatment of cardiovascular and metabolic diseases and believe that our efforts will result in a paradigm shift in how cardiovascular and metabolic diseases will be treated in the future.

For more information, please visit: antliabio.com

SOURCE: Antlia Bioscience

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