The scale of the $8.5 billion deal signed between Innovent Biologics Inc. and Eli Lilly and Co. is eye-catching, but the structure is the real signal. By shifting phase II oncology development to China while reserving global rights ex-greater China, the partners are testing a model that could reshape how multinational drugmakers source innovation as well as how Chinese biotechs create value.

Astrazeneca plc is investing $15 billion in China through 2030 to expand R&D and manufacturing, marking one of the largest long-term investments by a multinational pharma company in the country. The U.K.-based company also struck a deal worth up to $3.5 billion with China’s CSPC Pharmaceuticals Group Ltd. to accelerate the development of next-generation therapies for obesity and type 2 diabetes.

Genentech Inc. is paying $200 million up front and up to $1.5 billion in milestone payments to license one of Suzhou Sanegene Bio Inc.’s RNAi programs. Metabolic and autoimmune-focused Sanegene did not disclose specifics around the licensed candidate, except that it was derived from its LEAD (Ligand and Enhancer Assisted Delivery) platform.

Shionogi & Co. Ltd. and Fosun Pharmaceutical (Group) Co. Ltd. were involved in separate divestment transactions this week, with Shionogi buying out Pfizer Inc.’s stake in Viiv Healthcare Ltd. to lift its holding to 21.7%.

After only three $1 billion-plus biopharma deals in November, December saw 14 blockbuster deals worth a total of $21.92 billion, including four deals worth more than $2 billion.

Astrazeneca plc is paying up to $630 million to acquire China rights to Abelzeta's Pharma Inc.’s C-CAR031 (AZD5851), an autologous glypican 3-targeting CAR T, securing global rights to develop, manufacture and commercialize the CAR T for liver cancer.

With rumors regarding a couple of potential mega-mergers making the rounds, the week of the annual J.P. Morgan Healthcare Conference kicked off with the official disclosure of some billion-dollar collaborations, leading with Abbvie Inc.’s exclusive licensing deal with Remegen Co. Ltd. for PD-1/VEGF-targeted bispecific antibody RC-148.

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.