Colorectal oligometastases
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Above 20 years of age 2. Written informed consent 3. Colorectal cancer origin 4. Resectable oligometastases 5. Initial surgery is planed. 6. R0/1 resection is possible. 7. ECOG PS 0/1 In G360 cohort, in which pre-treatment ctDNA is analyzed, below criteria are also added. 1. Pathologically-proven adnocarcinoma 2. No prior treatment for oligometastases 3. Written consent for blood test
Exclusion criteria
Exclusion criteria: 1. Concomittant unresectable advanced tumor 2. Prior surgery for oligometastases 3. Unresectable unless the tumor is shrinked by preoperative chemotherapy 4. Physician`s judgement for exclusion In G360 cohort, below criteria are also added. 1. Concomittant tumor that is disease-free within 5 years 2. Pathological diagnosis other than adenocarcinoma 3. Any prior treatment for oligometastases
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Proportion of BRAF V600E mutation and pre-treatment ctDNA detection in patients with resectable colorectal oligometastases | — |
Secondary
| Measure | Time frame |
|---|---|
| Survival outcomes depending on status of BRAF V600E mutation and pre-treatment ctDNA detection. Genetic alteration profiles according to ctDNA analysis. | — |
Countries
Japan
Contacts
National Cancer Center Hospital East, Japan Department of Hepatobiliary and Pancreatic Surgery