Harbour Biomed spins out newco in $1.2B CTLA-4 deal

Feb. 23, 2026

Harbour Biomed is spinning out newco Solstice Oncology and is outlicensing its CTLA-4 antibody, porustobart (HBM-4003), to the newco in a cash and equity deal worth more than $1.2 billion.

BioWorld Deals and M&A Newco news Cancer Immune Antibody Asia-Pacific China

Today's news in brief

BioWorld

IL-22 and TL1A, a robust couple for diagnosing hidradenitis suppurativa

BioWorld Science

Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease with strong association with psoriasis and inflammatory bowel disease (IBD). While some...

Illustration of head with maze that is missing parts

Inhibiting the NLRP3 inflammasome for cognitive impairment, stroke

BioWorld Science

Vascular cognitive impairment and dementia (VCID) and cerebral small vessel disease are among the leading causes of dementia, where inflammation is known to play...

VST Bio’s VB-001 is neuroprotector after stroke

BioWorld Science

At the recent International Stroke Conference, researchers from VST Bio Corp. and Yale University presented preclinical data regarding VB-001, a monoclonal...

New mechanism of action identified for QC-6352

BioWorld Science

QC-6352 is a small molecule developed to inhibit the histone demethylase 4 (KDM4) that has shown potent antitumoral activity and which has a derivative named...