ecrin-mdr-crcClinical2020Circulating Tumor DNAIPD Sharing (as of September 2020): NoCirculating Tumor DnaInterventionalhttps://newmdr.ecrin.org/Study/2352058China9ECRIN MDRRecruitingfalseThe Value of ctDNA on Chemotherapy Efficacy for mCRCThe study is designed to evaluate the value of ctDNA in predicting the drug efficacy of chemotherapy for metastatic colorectal cancer.2020-09-152352058NCT04555369