Public Company Edition: Mergers with special purpose acquisition corporations also continue to take companies public, with three new SPAC offerings in late 2021. Also, Xeris raised $30m in a private placement of stock to support its recently approved drug and Sirnaomics went public in Hong Kong.

A complete response letter from the FDA has dashed Sesen Bio’s hopes of being first with a therapy for treating BCG-unresponsive non-muscle invasive bladder cancer. Its CEO says the FDA’s move may reflect heightened ‘pressure’ regulator is under.

After accumulating technologies to develop off-the-shelf, allogeneic NK cell therapies over the past decade, Korea's GC LabCell is now tapping into the global market as US partner Artiva begins clinical trials of its lead asset.

Although SRF813 isn’t likely to reach the clinic until 2021, GSK likes cell therapy’s monotherapy and combination potential. Lilly bids $880m to acquire neurodegenerative cell therapy firm Prevail.