The QuantideX® qPCR ESR1 exoMutation Kit is the first multi-analyte liquid biopsy assay tailored for detecting ESR1 mutations. Designed to provide highly sensitive detection of the 11 most prevalent ESR1 variants in plasma. The kit utilizes both cfDNA and exosomal RNA, which are isolated using the ExoLution™ Plus cfDNA + exoRNA Isolation Kit, provided with the ESR1 exoMutation Kit. The kit offers a novel approach to achieving more meaningful breast cancer insights.