Study on the Impact of a Modified Mediterranean Diet, in Patients With Colorectal Cancer Undergoing Active Medical Oncology Treatment

This study looks at whether following a modified Mediterranean diet — rich in vegetables, whole grains, healthy fats, and lean proteins — can improve outcomes for people with advanced (metastatic) colorectal cancer who are currently receiving chemotherapy with or without targeted therapy. **You may be eligible if...** - You are 18 or older - You have been diagnosed with metastatic colorectal cancer (confirmed by biopsy and imaging) - You are currently receiving first-line chemotherapy, with or without a biological drug (like bevacizumab or cetuximab) - You are generally in good health and able to carry out daily activities - You have not been previously treated with cancer medications - You are not malnourished (nutritional screen score 0-1) **You may NOT be eligible if...** - You have received prior chemotherapy or other cancer treatments - You require tube feeding or IV nutrition - You have a nutritional risk score greater than 2 (significant malnutrition) Talk to your doctor to see if this trial is right for you.