Single-arm phase II study. The chemotherapy regimen with mFOLFIRINOX will be administered every 14 for 4 cycles, after evaluation of tumor response, you can maintain treatment until disease progression.
The FOLFIRINOX regimen, as well as the drugs used (oxaliplatin, 5-Fluorouracil, leucovorin and irinotecan) is already indicated in the package insert for the treatment of colorectal cancer.
If treatment is discontinued after cycle 4 with the patient responding, for response maximum or unmanageable toxicity, it is suggested to maintain imaging control every 60 days (7-day window) until disease progression. This interval is already commonly used for patients with metastatic disease who are on treatment pause. Treatment in progression of illness will be at the discretion of the treating physician. Cancer patients undergoing chemotherapy routinely perform evaluation of organ functions and CEA, as well as clinical evaluation before each cycle of treatment