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This study enrolled patients who underwent R0 resection of tumor and had elevated tumor biomarkers (CEA, CA19-9). After enroll the study, a CTC test will performed and patients who had positive CTC will be randomly assigned to two groups. The control group will continue follow-up until radiological recurrence appear, the treatment group will start treatment or change the current adjuvant regimen. First endpoint is OS. The secondary endpoint is DFS, adverse event.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Treatment Arm | Experimental | Patients in this arm will receive treatment or change current adjuvant therapy immediately after detecting CTC. |
|
| Control Arm | No Intervention | Patients in this arm will keep follow-up after detecting CTC until radiology evidence of recurrence appear. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Chemotherapy | Drug | Started chemotherapy or change the current adjuvant therapy |
|
| Measure | Description | Time Frame |
|---|---|---|
| Overall Survival | Time from randomization to death | 3 year |
| Measure | Description | Time Frame |
|---|---|---|
| Disease free survival | Disease free time from randomization to death or recurrence | 3 year |
| Adverse event | CTCAE adverse event of chemotherapy |
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Inclusion Criteria:
Histologically proven colorectal cancer
All the lesion (s) has been R0 resected
Have elevated tumor biomarker (CEA or CA19-9) in three consecutive tests
More than 1 CTC has been detected (including 1)
ECOG 0-1
Hematology tests suggest that they can tolerate chemotherapy
Written informed consent for participation in the trial
Exclusion Criteria:
Other previous malignancy within 5 years
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Jianmin Xu | Contact | +8613501984869 | xujmin@aiiyun.com |
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| ID | Term |
|---|---|
| D015179 | Colorectal Neoplasms |
| D009360 | Neoplastic Cells, Circulating |
| ID | Term |
|---|---|
| D007414 | Intestinal Neoplasms |
| D005770 | Gastrointestinal Neoplasms |
| D004067 | Digestive System Neoplasms |
| D009371 | Neoplasms by Site |
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| ID | Term |
|---|---|
| D004358 | Drug Therapy |
| ID | Term |
|---|---|
| D013812 | Therapeutics |
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| 1 year |
| D009369 | Neoplasms |
| D004066 | Digestive System Diseases |
| D005767 | Gastrointestinal Diseases |
| D003108 | Colonic Diseases |
| D007410 | Intestinal Diseases |
| D012002 | Rectal Diseases |
| D009362 | Neoplasm Metastasis |
| D009385 | Neoplastic Processes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |