Biopharma industry zeal for obesity therapeutics does not appear to be dying down any time soon, with Eli Lilly and Co. entering a $1.3 billion deal with Nimbus Therapeutics LLC for a new small molecule, and Arrowhead Pharmaceuticals Inc. rolling out phase I/IIa data of its RNAi therapeutics used in combination with Lilly’s GLP-1/GIP receptor agonist tirzepatide.
Securing a second major partnership with Sanofi SA – this time worth a potential $2.56 billion – Earendil Labs will provide its AI-driven discovery platform to find new therapeutics for autoimmune and inflammatory diseases.
After raising $292 million in its Hong Kong IPO, AI discovery and development biotech, Insilico Medicine, signed an R&D collaboration with French pharma Servier SA valued at $888 million to discover and develop innovative oncology therapies by combining Insilico's AI-driven drug discovery platforms with Servier's global expertise in cancer drug development.
After a volatile but ultimately strong year for biopharma stocks, 2025 delivered a mixed picture marked by sharp workforce reductions alongside resilient capital markets and high-value dealmaking.
Abbvie Inc. signed a $1.1 billion New Year’s Eve deal with China’s Zelgen Biopharmaceuticals Co. Ltd., gaining ex-China rights to Zelgen’s lead oncology asset, alveltamig (ZG-006), a trispecific T-cell engager targeting delta-like ligand 3. Under terms of the deal, Abbvie will pay Zelgen an up-front fee of $100 million, and Zelgen is eligible to receive $60 million in near-term milestones and could receive up to $1.075 billion in additional development, regulatory and commercial milestones, alongside tiered royalties on net sales outside China. Zelgen retains full rights in China.
When glucagon-like peptide-1 (GLP-1) receptor agonists entered the market for obesity and overweight indications in recent years, the uptake and enthusiasm drove investor excitement for companies advancing any of the new mechanisms in the space.
U.S. policy, China’s strategic rise, blockbuster deals and AI dominated South Korea’s biotechnology industry this year, with U.S. tariffs and the Biosecure Act’s hitch onto 2026 legislation serving as major topics of speculation.
In October, the Nobel Committee awarded the 2025 Nobel Prize in Physiology or Medicine to Shimon Sakaguchi, Mary Brunkow and Fred Ramsdell for their discoveries in the field of autoimmunity. As has become typical for the scientific Nobel Prizes, the award-winning research is by now several decades old. But the discoveries were the basis for ongoing research into how to prevent autoimmunity that notched significant wins in 2025, in both basic research and in the clinic.
Reporting sales of its hepatitis B vaccine Heplisav-B pretty much in line with consensus and a phase I/II shingles prospect moving along, Dynavax Technologies Corp. scored a takeover deal with Sanofi SA, which is paying $15.50 per share in cash for a total equity value of about $2.2 billion. The amount is a 39% premium to Dynavax’s closing share price yesterday, Dec. 23.
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