Reporting sales of its hepatitis B vaccine Heplisav-B pretty much in line with consensus and a phase I/II shingles prospect moving along, Dynavax Technologies Corp. scored a takeover deal with Sanofi SA, which is paying $15.50 per share in cash for a total equity value of about $2.2 billion. The amount is a 39% premium to Dynavax’s closing share price yesterday, Dec. 23.

The U.S. FDA’s green lighting of Omeros Corp.’s Yartemlea (narsoplimab) makes it the first approved treatment for hematopoietic stem cell transplant-associated thrombotic microangiopathy (TA-TMA), a life-threatening complication of hematopoietic stem cell (HSC) transplantation. The BLA for narsoplimab, a fully human monoclonal antibody that inhibits the enzyme mannan-binding lectin-associated serine protease-2, had a Dec. 26 PDUFA date.

Hanx Biopharmaceuticals (Wuhan) Co., Ltd. raised HK$586 million (US$75.37 million) in its IPO on the Hong Kong Securities Exchange (HKEX:3378) on Dec. 23 to advance its clinical stage immuno-oncology pipeline.

Speed and innovation from Asia Pacific’s (APAC) biotechnology sector had big pharma scouring the region for the next oncology heir to Keytruda (pembrolizumab), Merck & Co. Inc.’s reigning blockbuster cancer drug.