Effects of Short-term Therapeutic Fasting on Nausea and Vomiting Due to Chemotherapy

Patients in fasting arm will practice partial fasting during 3 days (D-1, D1 (D day of chemotherapy) and D2) following a food guide during 4 chemotherapy sessions. Patients in usual alimentation arm will continue to take food as usual practice. In each arm, patients will be interviewed at each chemotherapy sessions about nausea and vomiting (number and intensity of nausea and vomiting, treatments taken). Denutrition, quality of life improvement, compliance to partial fasting, treatment response will be evaluate too.