Postoperated colorectal carcinoma liver metastasis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Age 18-75 years, ECOG performance status 0-1 or KPS>= 70, and an expected survival of >= 6 months. 2. Pathologically confirmed colorectal adenocarcinoma with liver metastasis after failure of first-line therapy. 3. Phenotype of protein and gene testing is pMMR/MSS. The status of RAS/BRAF must be recorded (both wild-type and mutant are allowed). 4. Number of liver metastases = 1.5×10^9/L, PLT >= 75×10^9/L, Hb >= 90 g/L. Renal function: eGFR >= 60 mL/min/1.73m². 8. No active autoimmune diseases (e.g., rheumatoid arthritis, systemic lupus erythematosus), and no long-term use of immunosuppressive agents. 9. No history of severe allergies or prior immune therapy-related toxicities. 10. Willing to sign the informed consent form and able to comply with treatment and regular follow-up visits.
Exclusion criteria
Exclusion criteria: 1. Presence of uncontrolled brain metastases or extensive peritoneal metastases (bone metastases and pulmonary metastases amenable to radiotherapy are allowed). 2. Liver function classified as Child-Pugh grade B or C. 3. Patients with dMMR/MSI-H tumors. 4. Patients with active HIV infection. 5. History of immunotherapy within the past 6 months, including other adoptive cellular immunotherapies (e.g., NK cell therapy). 6. Receipt of chemotherapy or major surgery within 1 month, or palliative radiotherapy within 2 weeks prior to enrollment. 7. Comorbidities: (1)Cardiopulmonary conditions: NYHA Class III–IV heart failure or COPD GOLD stage 3–4. (2)Gastrointestinal risks: Active gastrointestinal bleeding, or risk of bowel obstruction or perforation. 8. Other exclusions: (1)Pregnancy/lactation: Pregnant or breastfeeding women. (2)History of malignancy: Concurrent malignancies other than non-melanoma skin cancer or carcinoma in situ. (3)Inability to comply with treatment or provide informed consent.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Objective Response Rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| Disease Control Rate;Progression-Free Survival;Local Control Rate;Overall Survival; | — |
Countries
China
Contacts
The Fourth People's Hospital of Zibo City