Despite the approval of dozens of antidepression medications, an estimated 30% of individuals who experience major depressive disorder (MDD) fail to respond to treatment despite repeated trials. As about one in eight individuals will experience MDD in their lifetime, investors and researchers have leapt into the gap to find and fund better ways to match treatment to patients, develop non-pharmacological therapies and improve outcomes.

IMU Biosciences Ltd. has raised £11.5 million (US$14.7 million) in a series A round to further develop and commercialize profiling technology that can identify from a blood sample which of more than 2,000 cell types are present in an individual’s immune system.