Eureka Therapeutics, Inc., a clinical stage biotechnology company developing novel T cell therapies for solid tumors, today announced that it has closed a $45 million Series E financing. The round was led by Lyell Immunopharma and joined by a syndicate of new and prior investors. In addition to the financing, Eureka and Lyell have entered into a strategic collaboration to develop therapies against several undisclosed solid tumor targets expressed across multiple cancer types.