Evaluation of Amino Acid Metabolism Changes in Ovarian Cancer

Ovarian cancer is associated with undernutrition in more than half of all cases. The current management of undernutrition-cachexia in cancer is not specific. It is well recognized that the nutritional support currently offered to cancer patients is not effective in combating cachexia, which progresses inexorably, leading to the patient's death. It is therefore necessary to offer specific and adapted care, in particular by optimizing the quality of nitrogen intake. To achieve this, the investigators first need to define the specific amino acid requirements of cancer patients.