Otsuka liked the private US antibody tech company Visterra so much that it is buying it, in a move developing out of licensing discussions and which the Japanese firm says will strengthen its presence in biologics for renal disorders and other high-need areas.

Private Company Edition: Martin Mackay and two other former Alexion executives co-founded the rare disease start-up in January with a $37m Series A to kick things off. Also, Innovent raises $150m in venture cash, Tmunity adds $35m and Third Rock launches Cedilla.

Oncologie acquires PS-targeting candidate bavituximab, which may help other cancer therapies in attacking tumors. BridgeBio's newest spinout will develop former Novartis cancer candidate infigratinib.

Derived from Strategic Transactions, Informa’s premium source for tracking life sciences deal activity, the Dealmaking column is a survey of recent health care transactions listed by relevant industry segment – In Vitro Diagnostics, Medical Devices, and Pharmaceuticals – and then categorized by type – Acquisition, Alliance, or Financing. This month’s column covers deals announced in March 2017.