Tight Caloric Control in the Cachectic Oncologic Patient (TiCaCONCO or CoCooN)

At the time of diagnosis, patients will immediately be screened and started with Nutrition Therapy if assigned to group A. This regimen will stay in place for 6 weeks to 3 months, after which a switch will be made towards normal dietary counselling. Nutrition Therapy can be given orally, parenterally or via tube feeding (enteral nutrition), depending on the patient's status and aims at matching Caloric Intake with Resting Energy Expenditure. Moreover, a switch between these modalities is possible. Afterwards, standard dietary counselling will be given during the remainder of the study. Follow-up will last one year. If 6 months after the last enrolment the study shows a large difference with the control group, the study will be stopped for ethical reasons.

At the time of diagnosis, patients will immediately be screened and started with standard dietary counselling for 1 year if assigned to group B. Dietary intervention can be orally, parenterally or via tube feeding (enteral nutrition), depending on the patient's status. Moreover, a switch between these modalities is possible. Follow-up will last 1 year. If 6 months after the last enrolment the study shows a large difference with the control group, the study will be stopped for ethical reasons.