Efficacy of Modified Fruquintinib in Colorectal Cancer Liver Metastases: A Phase II Study

"Drug:~Maintenance treatment regimen:~Fruquintinib 5 mg, qd, po, with three weeks of continuous treatment followed by one week of drug discontinuation. Each treatment cycle lasts four weeks. The treatment will be continued for six months, or until tumor recurrence, metastasis, or intolerable drug toxicities occur within six months.~Adverse drug reactions that occur during the trial will be graded according to the NCI CTCAE version 5.0 and dose adjustments will be made according to the corresponding rules."