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Cola

No specific follow-up of CEA and Standard imagery

Intensive follow-up CEA and Standard imagery .

Intensive follow-up CEA and Intensive imagery

No specific follow-up of CEA and Intensive Imagery

Standard Monitoring CEA

CEA levels are measured every 3 months for 3 years, then every 6 months for 2 years.

Intensive Monitoring CEA

Abdominal ultrasound examination every 3 months during 3 years then every 6 months during 2 years then annually. Chest X-ray examination eveyr 6 months during 3 years then annually during 2 years

Standard Monitoring Imagery

Alternation every 3 months of TDM thoraco-abdomino-pelvis and abdominal ultrasound examination during 3 years and twice a year after during 2 years. Coloscopy at 3 years and then evry 5 years if normal

Intensive Monitoring Imagery

Come Lepage, Pr

RATIONALE: Diagnostic procedures, such as ultrasound, x-ray, colonoscopy, CT scan, and CEA assessment, may help monitor a patient's response to surgery. It is not yet known which follow-up regimen is more effective in patients who have undergone surgery for colorectal cancer.

PURPOSE: This randomized phase III trial is comparing two types of follow-up care with or without CEA assessments to see how well they work in patients who have undergone surgery for stage II or stage III colorectal cancer.

OBJECTIVES:

* Evaluate the efficacy of reinforced versus standard follow-up care and the utility of follow-up CEA assessments in patients with fully resected stage II or III colorectal cancer.

OUTLINE: This is a multinational/multicenter study. Patients are randomized to 1 of 2 follow-up arms.

* Standard follow-up: Patients undergo clinical assessments every 3 months until year 3 and every 6 months until year 5. They are then assessed at least yearly thereafter. Patients undergo abdominal ultrasound every 3 months until year 3 and then every 6 months until year 5; chest x-ray every 6 months until year 3 and then annually until year 5; and colonoscopy at 3 years after surgery then every 3 to 6 years thereafter.
* Reinforced follow-up: Patients undergo clinical assessments every 3 months until year 3 and every 6 months until year 5. They are then assessed at least yearly thereafter. Patients undergo alternate assessments every 3 months comprising thoraco-abdomino-pelvic CT scan or abdominal ultrasound until year 3 and then every 6 months until year 5. They also undergo colonoscopy at 3 years after surgery then every 3 to 6 years thereafter.

Patients undergo a second randomization to 1 of 2 follow-up arms at the beginning of the study.

* CEA measurement: Patients undergo measurement of CEA levels every 3 months until year 3, every 6 months until year 5, and at least yearly thereafter.
* No CEA measurement: Patients do not undergo CEA measurement. Blood and tissue blocks of normal and tumor tissues are collected for the validation of protein serum, genetics, or immunologic markers predictive for relapse.

This study is a surveillance study not an interventional study with products

Follow-Up Care With or Without CEA Assessments in Patients Who Have Undergone Surgery for Stage II or Stage III Colorectal Cancer

Follow-Up of Fully Resected Stage II or III Colorectal Cancer. Phase III Multicentric Prospective Randomised Study

Time between randomization and date of death (all causes)

Time between randomization and first recurrence (local or metastatic) or death (all causes)

Spots Global Cancer Trial Database for intensive monitoring imagery