Astrazeneca plc has signed an agreement with liquid biopsy testing company Saga Diagnostics AB to develop dPCR assays. Lund, Sweden-based Saga Diagnostics will develop Sagasafe dPCR assays towards undisclosed methylated targets for analysis of tissue samples and liquid biopsies. The assay is part of Saga’s portfolio of “ultrasensitive technologies,” comprising Sagasign for personalized monitoring of cancer burden and minimal residual disease.