Effect on Fatigue of Light (Lux) Therapy in Patients With Cancer

The light therapy, 6 month's program, is occurring at patient's home the day after device's reception and during at least 7 days before chemotherapy's beginning. The ambulatory light program is daily exposure to a high-intensity light (10,000 lux) in the morning, at a time adapted to the patient according to his chronotype for 30 minutes. The light source should be placed at eye level (distance of about 40 cm). A set of questionnaires evaluation of fatigue and quality of life will be given to the patient at baseline and at weeks 12 and 24, which will be completed the same day or the day before, and / or before any chemotherapy. These questionnaires will be also completed during the follow-up visit 1 month after the last visit (week 28).

The patient will be taken care of according to local chemotherapy in routine care and the recommendations. A set of questionnaires evaluation of fatigue and quality of life will be given to the patient at baseline and at weeks 12 and 24. They will complete the same day or the day before, and / or chemotherapy before. A follow-up visit will be performed 1 month after the last visit (week 28). A set of questionnaires evaluation of fatigue and quality of life will be given to the patient and will complete the same day or the day before.