This study aims to evaluate the effectiveness and safety of combining fruquintinib (an oral anti-angiogenesis drug) with cetuximab-beta (an anti-EGFR antibody) in patients with RAS wild-type metastatic colorectal cancer who have already failed at least two lines of standard treatments. Standard therapies for metastatic colorectal cancer often include fluorouracil, oxaliplatin, and irinotecan. However, many patients eventually experience disease progression, and treatment options become limited. Fruquintinib and cetuximab-beta work through different mechanisms: fruquintinib blocks tumor blood vessel growth, while cetuximab-beta blocks EGFR-related cancer cell growth signals. Using these two drugs together may provide additional benefit for patients whose cancer no longer responds to other treatments. This study will enroll 46 patients who meet the eligibility criteria. All participants will take fruquintinib by mouth once daily (3 weeks on and 1 week off) and receive cetuximab-beta by intravenous infusion every 2 weeks. Treatment will continue until the cancer progresses or side effects become intolerable. Doctors will monitor tumor changes every 8 weeks using CT or MRI scans and will also collect blood samples over time to measure circulating tumor DNA (ctDNA), which may help track how the cancer responds to treatment. Safety will be assessed through physical exams, lab tests, and monitoring of side effects. The main goal of the study is to determine the objective response rate (ORR)-how many patients experience measurable tumor shrinkage. Secondary goals include progression-free survival (PFS), disease control rate (DCR), overall survival (OS), and safety outcomes.
Age range
18 Years – 75 Years
Sex
ALL
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A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Objective Response Rate (ORR)
Timeframe: From the date of first study treatment until documented disease progression, initiation of a new anticancer therapy, or discontinuation of study treatment, whichever occurs first, up to 24 months.