Roche announced that it has expanded its collaboration with Janssen Biotech Inc. to create companion diagnostics for targeted therapies, further strengthening research and innovation activities. The new, expanded agreement broadens opportunities for Roche and Janssen to collaborate in the precision medicine field with multiple companion diagnostics technologies, including immunohistochemistry (IHC), digital pathology, next generation sequencing, polymerase chain reaction and immunoassays. Examples of projects that may develop as a result of this collaboration include exploring data and tissue image analysis and the development of a new IHC assay to support patient identification and enrollment for personalised treatment.