XenTech SAS has entered a strategic collaboration with Gustave Roussy, Europe’s leading cancer center.    This co-operation, the first of its kind for XenTech, will focus on the development of a collection of tumor explant models from patients who developed acquired resistance to targeted therapies following initial response. These PDX models will be used in Gustave Roussy’s oncology R&D programs, as well as being added to XenTech’s existing PDX platform for translational oncol...