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Chemotherapy Plus EGFR Monoclonal Antibody in Patients With Liver Metastases From Colorectal Cancer With ctDNA Superselective Negative Genes

Phase 2
Not yet recruiting
Conditions
Liver Metastases of Colorectal Cancer
Interventions
Registration Number
NCT06490913
Lead Sponsor
Fujian Cancer Hospital
Brief Summary

The purpose of this Phase II single-arm study is to prospectively explore the efficacy of chemotherapy plus EGFR inhibitors in patients with liver metastases from total wild-type colorectal cancer with ctDNA superselective negative genes.

Detailed Description

Not available

Recruitment & Eligibility

Status
NOT_YET_RECRUITING
Sex
All
Target Recruitment
33
Inclusion Criteria
  • 18-75 years (including 18 and 75 years);

  • ECOG PS 0 or 1;

  • Colorectal cancer diagnosed histologically and/or cytologically with metastatic or recurrent lesions that are not curable with surgery;

  • Patients with liver metastases of RAS wild-type colorectal cancer who have not received prior treatment;

  • At least one measurable lesion as defined in RECIST version 1.1;

  • Fertile patients must be willing to take highly effective pregnancy avoidance measures during the study period and ≥120 days after the last dosing; Female patients with negative urine or serum pregnancy test results within ≤7 days before the first administration of the study drug;

  • Have fully understood the study and voluntarily signed the informed consent.

  • Adequate organ and bone marrow function, meeting the following definitions:

    1. Blood routine (no transfusion, no use of granulocyte colony stimulating factor [G-CSF], no use of other drugs for correction within 14 days before treatment); Absolute neutrophil count (ANC) ≥1.5×109/L; Hemoglobin (HB) ≥9.0 g/dL; Platelet count (PLT) ≥80×109/L;
    2. Blood biochemistry, serum creatinine (Cr) ≤ 1.5× upper limit of normal (ULN) or creatinine clearance ≥60 mL/min; Serum albumin ≥2.8g/dL. Patients with poor nutritional status before neoadjuvant therapy could also be enrolled if they met the criteria through parenteral nutrition. Total bilirubin (TBIL) ≤ 1.5×ULN; Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) level ≤2.5×ULN;
Exclusion Criteria
  • Pregnant or lactating women;
  • Patients with a known history of allergy to any investigative drug, similar drug, or excipient;
  • Patients with risk of massive gastrointestinal bleeding or gastrointestinal obstruction;
  • Patients with a history of thromboembolism, except thrombosis caused by PICC;
  • There are patients with active infection;
  • Patients with difficult to control hypertension (systolic blood pressure ≥160 mmHg and diastolic blood pressure ≥90mmHg);
  • Patients with brain metastases with clinical symptoms or imaging evidence;
  • Treatment contraindications exist in combination with other chronic diseases;
  • Patients with previous immunotherapy-related myocarditis, pneumonia, colitis, hepatitis, nephritis and other conditions, and the current AE is still ≥ grade 2;
  • According to NCI CTCAE version 5.0 evaluation criteria, existing patients with various toxic and side effects caused by previous treatment ≥ grade 2;
  • Other conditions that the investigator determined were not suitable for inclusion in the study.
  • Received any anti-tumor therapy and participated in other clinical studies within 4 weeks before enrollment.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
cetuximab+chemotherapy5-FUXELOX 1 cycle;cetuximab+chemotherapy up to 12 cycles
cetuximab+chemotherapyOxaliplatinXELOX 1 cycle;cetuximab+chemotherapy up to 12 cycles
cetuximab+chemotherapyCapecitabineXELOX 1 cycle;cetuximab+chemotherapy up to 12 cycles
cetuximab+chemotherapyCetuximabXELOX 1 cycle;cetuximab+chemotherapy up to 12 cycles
cetuximab+chemotherapyLeucovorinXELOX 1 cycle;cetuximab+chemotherapy up to 12 cycles
Primary Outcome Measures
NameTimeMethod
Objective Response Rateevery 2 weeks
Secondary Outcome Measures
NameTimeMethod
overall survivalAround 2 years
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