Dren Bio raises $350 million for blood cancer drug ahead of potential 2027 launchCalifornia biotech Dren Bio secured $350 million in funding to advance its lead blood cancer therapy toward a potential market launch by the end of 2027.Oct 29, 2026·3 sourcesBiotech startupDrug developmentCancer & OncologyRare diseasesVenture capital fundingClinical trialsAutoimmune disease treatmentsHematology & Blood Cancers00