Inclusion Criteria:

- Aged over 18 years

- With solid tumors or hematologic in first line chemotherapy, administered
intravenously,

- Able to understand the meaning of the questions

- Having given their written consent to participate in the survey.

Exclusion Criteria:

This does not concern patients who:

- Do not give their consent for participation

- Do not speak French

- Suffer from cognitive deficits

- Are under therapy

- Must receive a combination of radio-chemotherapy

- Present an occlusive syndrome

- Metastases (s) brain (s) clinically symptomatic (s) or radiologically proven (s) or a
(of) tumor (s) brain (s)

- Have been previously treated with chemotherapy

- Present a cons-indication to corticosteroids, with anti-serotonin or NK1 receptor
inhibitors

- Pregnant or breastfeeding.