PepLib Biotech Enters Global Peptide Drug Discovery And Licensing Collaboration With Eli Lilly

06 February 2026 | Friday | News


The agreement enables Zonsen PepLib Biotech Inc. and Eli Lilly and Company to jointly advance novel peptide based therapeutics, combining PepLib’s proprietary discovery platforms with Lilly’s IND development clinical and commercial capabilities to accelerate innovation across multiple disease areas.

Zonsen PepLib Biotech Inc. (“PepLib”) announced that it has entered a global research and development (R&D) collaboration and license agreement with Eli Lilly and Company ("Lilly"). Under the agreement, both parties will jointly advance the development of novel peptide-based drug candidates leveraging PepLib’s robust and diverse proprietary peptide libraries and discovery technology platforms.

PepLib will be responsible for screening and identifying optimal peptide active molecules for the collaborative projects based on its in-house platform, while Lilly will lead subsequent Investigational New Drug (IND) enabling studies, clinical development, and commercialization.

Under the terms of the agreement, PepLib will receive upfront and near-term payments. Additionally, PepLib is eligible to receive subsequent development, regulatory, and sales milestone payments, as well as tiered royalties on future global net sales.

“This collaboration further validates PepLib’s innovative and differentiated peptide R&D platforms. As a global leader across multiple disease areas, Lilly is our valued partner. We look forward to the close collaboration to develop novel therapeutic strategies for diseases and deliver benefits to patients worldwide,” said Lei Chen, Chairman and Co-founder of PepLib.

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