A more than 70% stock slide shows that investors are concerned about three as-yet unexplained deaths in a Phase II study of the US firm’s lead candidate.

The ranks of B7-H3-targeting antibody-drug conjugates under development in China have seen their first dropout, although elsewhere there are two FGFR2b-directed ADCs with first-in-class potential on the horizon. Meanwhile, there have been other discontinuations of KRAS G12C inhibitors and anti-BCMA CAR-T cell therapies in the country, while new players have surfaced in the areas of mRNA cancer vaccines and amyloid-beta-targeting antibodies for Alzheimer’s disease.

Private Company Edition: Regeneron launched a $500m venture fund and Canaan added $100m, bringing the venture firm’s recent total to $1bn-plus. Also, incubators plan to grow over the next decade and in recent financings Avenzo raised $150m and Nvelop launched with $100m.

Plus deals involving Incyte/CMS, Biocytogen/ABL, Bharat/Biofabri/Bilthoven, Dr. Reddy’s/Pharmazz, Veeda/Heads, Sosei Heptares/GSK, BioGeometry/Sanyou, Ono/Sibylla and Teijin/BioProjet