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Phase III Study of Ivonescimab or Bevacizumab Combined With FOLFOX in Patients With Metastatic Colorectal Cancer

A Randomized, Active-Controlled, Double-blind, Multicenter, Phase 3 Clinical Study of Ivonescimab in Combination With FOLFOX Versus Bevacizumab in Combination With FOLFOX for the First-line Treatment of Metastatic Colorectal Cancer

Who can join

Ages 18 and older · All sexes

Inclusion Criteria:

1. ECOG performance status score of 0 or 1
2. Expected life expectancy ≥ 6 months
3. Patients with histologically or cytologically confirmed metastatic CRC
4. No prior systemic therapy for metastatic CRC
5. At least 1 measurable noncerebral lesion

Exclusion Criteria:

1. Microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR) disease
2. Known BRAF V600E mutant status
3. Current presence of significant radiographic or clinical manifestations of gastrointestinal (GI) obstruction
4. Ascites requiring paracentesis within last 30 days
5. Patients who have received prior immunotherapy or anti-angiogenic therapy for colorectal cancer
6. Active or prior history of inflammatory bowel disease (eg, Crohn's disease, ulcerative colitis, or chronic diarrhea)
7. Resectable disease

About the study

A Randomized, Active-Controlled, Double-blind, Multicenter, Phase 3 Clinical Study of Ivonescimab in Combination with mFOLFOX6 (Oxaliplatin, Leucovorin and 5-Fluorouracil) versus Bevacizumab in Combination with FOLFOX for the First-line Treatment of Metastatic Colorectal Cancer(HARMONi-GI3)

What is being tested

• Drug: Ivonescimab Injection (drug)
• Drug: Bevacizumab Injection (drug)

Sponsor: Summit Therapeutics · Participants: 600 · Started: Nov 18, 2025

Contact the study team

• Ning Chang, MD · Phone: 1-833-256-0522

Official record on ClinicalTrials.gov — NCT07228832

Locations in the U.S.

Conditions

• Colorectal Cancer

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.