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FOLFOX8 Versus mFOLFOX6 With Bevacizumab or Cetuximab for First-Line Unresectable Metastatic Colorectal Cancer (Phase II)
Sponsor: Sun Yat-sen University
Summary
This is a prospective, multicenter, randomized controlled, phase II study. It is expected to enroll 229 patients and aims to evaluate the efficacy and safety of FOLFOX8 versus mFOLFOX6 combined with bevacizumab or cetuximab as first-line treatment for unresectable metastatic colorectal cancer. The primary objective is to assess progression-free survival (PFS) of the patients. Secondary objectives include assessment of objective response rate (ORR), overall survival (OS), safety, and other outcomes.
Official title: A Prospective, Multicenter, Randomized Controlled, Phase II Study to Evaluate the Efficacy and Safety of FOLFOX8 Versus mFOLFOX6 Combined With Bevacizumab or Cetuximab as First-Line Treatment for Unresectable Metastatic Colorectal Cancer
Key Details
Gender
All
Age Range
18 Years - Any
Study Type
INTERVENTIONAL
Enrollment
229
Start Date
2026-06-01
Completion Date
2030-06-01
Last Updated
2026-06-02
Healthy Volunteers
No
Conditions
Interventions
Oxaliplatin
85 mg/m² intravenously over 2 hours on Day 1, every 2 weeks for up to 12 cycles. For patients without disease progression after 12 cycles, oxaliplatin is discontinued and not used in maintenance.
5-Fluorouracil
400 mg/m² intravenous bolus on Day 1, followed by 2400 mg/m² administered as a continuous intravenous infusion over 46-48 hours. Cycle repeats every 2 weeks for up to 12 cycles. Patients without disease progression then enter maintenance with the same 5-FU regimen every 2 weeks until disease progression or unacceptable toxicity.
Levofolinic Acid For Injection
200 mg/m² mixed with 5-FU 2400 mg/m² as a continuous intravenous infusion over 46-48 hours on Day 1 (concurrent infusion). Cycle repeats every 2 weeks for up to 12 cycles. Patients without disease progression then enter maintenance with the same mixture every 2 weeks until disease progression or unacceptable toxicity.
Calcium Folinate
400 mg/m² intravenously over 2 hours on Day 1, administered sequentially before 5-FU. Cycle repeats every 2 weeks for up to 12 cycles. Patients without disease progression then enter maintenance with the same dose and schedule of calcium folinate (without oxaliplatin) every 2 weeks until disease progression or unacceptable toxicity.
Bevacizumab
5 mg/kg intravenously on Day 1 every 2 weeks, starting from Cycle 2 (after genetic testing results are available). Continue through induction and maintenance until disease progression or unacceptable toxicity.
Cetuximab (EGFR inhibitor)
500 mg/m² intravenously over more than 2 hours on Day 1 every 2 weeks, starting from Cycle 2 (after genetic testing results are available). Continue through induction and maintenance until disease progression or unacceptable toxicity.
Locations (1)
Sun Yat-sen University Cancer Center
Guangzhou, Guangdong, China