ecrin-mdr-crcClinical2020Gastric CancerColorectal CancerCarcinoma, HepatocellularPancreatic CancerHepatocellular CancerLiver NeoplasmsNeoplasmsGastric CancerColorectal CancerCarcinoma, HepatocellularPancreatic CancerHepatocellular CancerLiver NeoplasmsNeoplasmsInterventionalhttps://newmdr.ecrin.org/Study/2311939China7Ascorbic AcidMetforminECRIN MDRRecruitingfalseHigh Dose Vitamin C Combined With Metformin in the Treatment of Malignant TumorsThis is an open, prospective, single-arm, multi-cohort clinical study to evaluate the efficacy and safety of high-dose vitamin C combined with metformin in the treatment of malignant tumors.2020-07-152311939NCT04033107