Oxford Biotherapeutics Ltd. is partnering with Roche AG to expand the current field of tumor antigens that can be drugged with antibodies, as part of a potential $1 billion-plus agreement. The agreement will see Oxford Biotherapeutics apply its membrane protein discovery platform to search for novel cancer cell antigens, which will be validated through the research collaboration, with Roche then taking the lead in advancing any resulting antibody programs.

The antibody-drug conjugate (ADC) juggernaut powers on, with Japan’s Taiho Pharmaceutical Co. set to acquire Araris Biotech AG for up to $1.14 billion. Of that, $400 million will be up front, with the remainder tied to milestones with a maximum value of $740 million, around the progress of three ADCs for treating solid and hematological cancers.

Alteogen Inc. signed its first billion-dollar partnership this year for ALT-B4 technology through two separate contracts with Astrazeneca plc’s U.K.- and U.S.-based Medimmune subsidiaries worth up to $1.35 billion combined.

Biopharma deal activity climbed in early 2025, reaching $37.38 billion in the first two months, up from $35.66 billion a year ago. February saw $8.76 billion in deals, down 69% from January’s $28.63 billion, which included 11 transactions valued at $1 billion or more. Early 2025 saw the second-highest biopharma deal total on record, trailing only the $42.19 billion logged in the first two months of 2022.

Bristol Myers Squibb Co.’s decision this week to snag Bluebird Bio Inc. spinout 2seventy Bio Inc. for $102 million net – just weeks after investors bid $30 million for Bluebird itself – seemed to place a final blow on what was once a promising gene therapy company. The space in general has struggled to make business sense out of the one-time therapies that often involve complicated manufacturing and exorbitant prices, despite the life-changing value that gene therapies bring to patients. But despite some recent setbacks, biopharmas continue to plow forward with promising research in the field.

The pairing of Mallinckrodt plc and Endo Inc. is expected to create a pharma heavyweight that will generate $3.6 billion in 2025 revenue after the duo combines their generic pharmaceuticals businesses and Endo’s sterile injectables setup. Terms call for Dublin-based Endo shareholders to collect $80 million in cash and own 49.9% of the combined firm. Owners of stock in Mallinckrodt will hold the rest of the new entity in the arrangement, which bears an enterprise value of $6.7 billion and is expected to close in the second half of this year.

The Vivani Medical Inc. combination appears to be over less than three years since its inception after the company reported plans to spin off Cortigent, the division that develops brain implants. Vivani said it plans to create two focused companies dedicated to driving current and future value in their respective therapeutic areas.

In what it says is the biggest obesity deal to date, Zealand Pharma A/S has signed up Roche AG to a potential $5.3 billion global collaboration and license agreement to develop petrelintide, an amylin analog that is currently in phase IIb development. The two companies will co-develop and co-commercialize petrelintide and combination products, including a fixed-dose combination of petrelintide and CT-388, Roche’s dual GLP-1/GIP receptor agonist.