PD-1 Inhibitor Combined With Bevacizumab and FOLFIRI Regimen in the Second-line Treatment of Advanced Colorectal Cancer

  • STATUS
    Recruiting
  • End date
    Dec 30, 2022
  • participants needed
    10
  • sponsor
    Tianjin Medical University Cancer Institute and Hospital
Updated on 12 September 2021

Summary

MSI-H is a biomarker for solid tumors benefiting from immunotherapy. Recent clinical studies have confirmed that PD-1 inhibitors have a good effect on MSI-H advanced colorectal cancer for first- or second-line treatment. The overall effective rate is 30% to 40%. However, about 30% of patients are resistant to PD-1 inhibitors. Whether PD-1 inhibitors and existing chemotherapeutics and anti-vascular drugs have synergistic effects is worth studying. This study is a phase II prospective clinical study of PD-1 inhibitor combined with bevacizumab and FOLFIRI regimen in the second-line treatment of unresectable recurrent or metastatic MSI-H colorectal cancer.

Details
Condition MSI-H Advanced Colorectal Cancer
Treatment Pembrolizumab (PD-1 Inhibitor) Combined With Bevacizumab and FOLFIRI Regimen
Clinical Study IdentifierNCT05035381
SponsorTianjin Medical University Cancer Institute and Hospital
Last Modified on12 September 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

\. Recurrent or metastatic unresectable colorectal adenocarcinoma confirmed by histology and/or cytology; 2. First-line oxaliplatin-containing chemotherapy has disease progression during chemotherapy or within 6 months after chemotherapy; 3. MSI-H patients confirmed by pathology, MSH2(-) or MSH6(-), for MLH1(-) or PMS2(-) patients need PCR confirmation; 4. According to the RECIST 1.1 standard, there is at least one measurable lesion 5. Sufficient bone marrow function, liver and kidney function 6. age greater than 18 years old less than or equal to 75 years old 7. ECOG score 0 or 1; expected survival time greater than 3 months; signed informed consent

Exclusion Criteria

\. For patients who have been treated with PD-1 in the first-line treatment, bevacizumab is allowed in the first-line treatment; 2. Other malignant tumors have been diagnosed within 5 years before the first use of the study drug, except for effectively treated skin basal cell carcinoma, skin squamous cell carcinoma, and/or effectively resected in situ cervical cancer and/or breast cancer; 3. Suffer from any active autoimmune disease or have a history of autoimmune disease; 4. Are suffering from an active infection that requires systemic treatment; 5. The HIV test result is positive; 6. Known to be allergic to certain components of the research drug or similar drugs; 7. Use clinical investigational drugs within 4 weeks before the start of study administration; 8. Major surgery has been performed within 4 weeks before the start of the study administration and has not fully recovered; 9. The patient has a bleeding disorder, and the investigator judges that there is a risk of hemorrhage; 10. Uncontrolled cardiac clinical symptoms or disease heart function, such as severe arrhythmia, uncontrollable hypertension; 11. According to the judgment of the investigator, the subject has other factors that may cause him to be forced to suspend the study
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