Investigation of the Value of ctDNA in Diagnosis, Treatment, and Surveillance of Surgically Resectable Colorectal Cancer
Rectal Cancer, Adenocarcinoma, Neoadjuvant Chemoradiation
About this trial
This is an interventional treatment trial for Rectal Cancer, Adenocarcinoma focused on measuring rectal cancer, neoajuvant chemoradiation, circulating tumor DNA
Eligibility Criteria
Inclusion Criteria:
- Patients aged 18 to 75 years old.
- Patients with surgically resectable colorectal cancer, while without distal metastasis of the disease.
- Patients with ASA physical status scroe of I to III.
- Patients who can fully understand the content of the informed consent form and sign it upon their own opinions.
- Patients who can coordinate with the researchers to undergo the long-term post-treatment rechecks and follow-ups.
Exclusion Criteria:
- Patient has any underlying or current medical condition, which, in the opinion of the Investigator, would interfere with the evaluation of the patient (e.g., end-stage liver disease, pulmonary hypertension, systemic lupus erythematosis etc.).
- Patient is pregnant or lactating.
- Patient has a history of malignancy within 5 years except curatively treated basal cell carcinoma, squamous cell carcinoma in a non-mucosal, ultraviolet exposed area, or cervical carcinoma.
- Patient is participating in any other clinical trials within 30 days prior to screening.
- Patient has severe mental illness.
- Patient has any other conditions, which, in the opinion of the Investigator, would interfere with the evaluation of the subject.
Sites / Locations
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Experimental
Experimental
Experimental
Experimental
ACT group
Non-ACT group
LR group
RR group
Group of patients with pathologically confirmed Stage II-III colorectal cancer who receive postoperative treatment with chemotherapeutic agent (ACT) using Capecitabine +/- Oxaliplatin.
Group of patients with pathologically confirmed stage II colorectal cancer who receive no adjuvant chemotherapy.
Group of patients with clinically staged T1-2N0 rectal cancer who undergo local resection (LR)
Group of patients with clinically staged T1-2N0 rectal cancer who undergo radical resection (RR)