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Epigenomics terminated a licensing contract related to Chinese distribution rights for its Septin9 biomarker and Epi proColon colorectal cancer blood test.

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The deal will focus on Biocartis' Idylla MSI test, which provides information on a tumor's microsatellite instability status of a tumor from a single FFPE slice.

Epigenomics terminated its collaboration with China's BioChain for the licensing of the septin9 marker and exclusive Chinese distribution rights for Epi proColon.

The company said it will use part of the proceeds to repurchase some of its senior notes due in January 2025, and the rest for corporate purposes.

The firm will expand on its MSI assay for use in immunotherapy while developing liquid biopsy assays to monitor patients post therapy and for recurrence.

Based on the findings, MD Anderson is already using HER2 status to recommend patients for clinical trials instead of EGFR drugs and authors recommend others follow suit.

The firm said that its cell-free DNA assay has shown a high positive predictive value in preliminary clinical studies involving stage IV colorectal cancer patients.

The company said test volume for its Cologuard colorectal cancer test rose 66 percent during the quarter to 292,000.

The study made use of a high-resolution mass spec approach developed by University of Minnesota scientists that allows for untargeted discovery of DNA adducts.

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