Colorectal cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Patients voluntarily participate in the study, sign the informed consent, and have good compliance; 2. =18 years old; 3. Metastatic colorectal cancer confirmed histologically and/or cytologically; The tumor was evaluated as PD or intolerance after second-line treatment. 4. After detecting RAS mutation, bevacizumab was used in first and second line treatment; 5. The patient must have at least one measurable lesion (RECIST 1.1); 6.ECOG physical condition 0-1 score; 7. Expected survival =12 weeks; 8. Blood test (without blood transfusion within 14 days) 1) Neutrophil absolute value =1.5×109/L, platelets =100×109/L, hemoglobin concentration =9g/dL); 2) Liver function test (aspartate aminotransferase and glutamic aminotransferase =2.5×ULN, bilirubin =1.5×ULN; In case of liver metastasis, AST and ALT=5×ULN); 3) Renal function (serum creatinine =1.5×ULN, or creatinine clearance (CCr)=60ml/min); 4) Coagulation, International standardized ratio (INR) =1.5, prothrombin time (PT) and activated partial thromboplastin time (APTT) =1.5×ULN; 5) Thyroid function, thyroid stimulating hormone (TSH) = the upper limit of normal (ULN); 9.Women of childbearing age must have had a negative serum pregnancy test within 14 days prior to treatment and be willing to use a medically approved effective contraceptive (e.g., IUD, contraceptive or condom) during the study period and within 3 months after the last time they took the study drug; For male subjects whose partner is a woman of reproductive age, surgical sterilization is required or an effective contraceptive method is recommended during the study period and within 3 months after the last study dosing.
Exclusion criteria
Exclusion criteria: 1. Previous treatment with trifluridine; Or anti-VEGFR small molecule targeted drug therapy; 2. Symptomatic brain or meningeal metastases (except those with brain metastases that have undergone local radiotherapy or surgery for more than 6 months and whose disease control is stable); 3. Severe infection (such as intravenously administered antibiotics, antifungals, or antiviral agents) within 4 weeks prior to treatment, or unexplained fever > 38.5 ° C during screening/first administration; 4. Have high blood pressure that is not well controlled by antihypertensive medication (systolic blood pressure =140 mmHg or diastolic blood pressure =90 mmHg); 5. Obvious clinical bleeding symptoms or obvious bleeding tendency within 3 months prior to treatment (bleeding > 30 mL within 3 months, hematemesis, black stool, blood in the stool), hemoptysis (> 5 mL of fresh blood within 4 weeks), etc. Or treatment of arterial/venous thrombosis events within the preceding 6 months, such as cerebrovascular accidents (including transient ischemic attack, cerebral hemorrhage, cerebral infarction), deep vein thrombosis, and pulmonary embolism; Long-term anticoagulant therapy with warfarin or heparin, or long-term antiplatelet therapy (aspirin =300 mg/day or clopidogrel =75 mg/day) is required; 6. Active heart disease, including myocardial infarction, severe/unstable angina in the 6 months prior to treatment. Left ventricular ejection fraction 1×104 copies /mL or >2000 IU/ml) must be excluded for known hepatitis B virus (HBV) carriers; 3) Known hepatitis C virus infection (HCV) and HCV RNA positive (>1×103 copies /mL), or other hepatitis, cirrhosis]; 10. Any other medical condition, clinically significant metabolic abnormality, physical abnormality, or laboratory abnormality, in which, in the investigator's judgment, there is reason to suspect that the patient has a medical condition or condition that is not suitable for the use of the investigational drug (such as the presence of epileptic seizures requiring treatment), or that would affect the interpretation of the study results, or put the patient at high risk; 11.Urine routine indicated urine protein =2+, and 24-hour urine protein quantity >1.0g.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PFS; | — |
Secondary
| Measure | Time frame |
|---|---|
| OS;ORR;DCR;Safty; | — |
Countries
China
Contacts
Affiliated Cancer Hospital of Shandong First Medical University