Helsinn Investment Fund and Alexandria Venture Investments both invested as MD Anderson-backed OncoResponse looks to advance five immuno-oncology drug candidates.

OncoResponse, a US-based immunotherapy spinout of MD Anderson, closed a $40m series B round yesterday featuring William Marsh Rice University.

RiverVest Venture Partners led the round, which included Helsinn Investment Fund, the investment vehicle for cancer drug developer Helsinn Group, and Alexandria Venture Investments, a subsidiary of real estate investment trust Alexandria Real Estate Equities.

Arch Venture Partners, HT Family Office, Canaan Partners, Qatar Investment Authority and Redmile Group filled out the round.

OncoResponse is developing antibodies intended to harness…