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Novartis Acquires PepLib, Expanding Peptide Therapeutics

PepLib acquired by Novartis

Acquisition$50,000,000CN

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Acquired

PepLib

China

Deal value

$50,000,000

January 15, 2026

Novartis logo
Acquirer

Novartis

Manufacturing

Novartis has acquired Zonsen PepLib Biotech Inc. for $50.0 million. PepLib, an innovative biotechnology company founded in September 2017, specializes in the discovery and development of novel peptide-based therapeutics aimed at improving treatment options for patients worldwide. Headquartered in Zhuzhou, China, with operations in Changsha, China, and a subsidiary in New Jersey, USA, PepLib employs over 200 people, with more than 80% dedicated to research and development.

This acquisition significantly enhances Novartis's strategic focus on expanding its therapeutic pipeline and R&D capabilities, particularly in high-growth areas. PepLib has established a robust and diverse suite of proprietary peptide libraries and discovery platforms, with a primary therapeutic focus in oncology and cardiometabolic diseases. Its expertise spans multiple peptide-based modalities, including peptide radionuclide conjugates (PRCs), peptide oligonucleotide conjugates (POCs), and peptide drug conjugates (PDCs). Integrating these innovative platforms allows Novartis to strengthen its position in developing next-generation medicines.

The strategic rationale behind this corporate acquisition centers on combining PepLib's specialized scientific expertise and innovative peptide technology with Novartis's global pharmaceutical development, manufacturing, and commercialization infrastructure. This integration is expected to create substantial synergies, accelerating the advancement of promising new therapies. By leveraging PepLib's deep scientific insights and Novartis's extensive resources, the combined entity aims to bring novel treatment options to patients more efficiently, particularly within the high-priority areas of oncology and cardiometabolic conditions.

Looking forward, the unified organization will focus on expanding the pipeline of peptide-based therapeutics. This strategic integration underscores a commitment to innovation and the pursuit of next-generation medicines designed to address significant unmet medical needs globally. The acquisition is poised to enhance the pace at which advanced therapies can move from discovery through to patient access.

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