This study will aim to evaluate the effectiveness of early palliative care for patients with metastatic or advanced cancer identified through unscheduled hospitalization in terms of reducing "aggressive" treatment.
Other objectives of the study include :
Compare approaches in terms of overall survival, treatment toxicities, advance directives, quality of life, anxiety, and depression.
* Describing care according to the organization at the time of inclusion.
* Evaluating the economic impact of early palliative care in patients with metastatic or advanced cancer through a medico-economic analysis combining cost-effectiveness and cost-utility analysis.
* Evaluating interactions between the various stakeholders (palliative care physicians, supportive care physicians, oncologists).
