The aim of the study is to demonstrate in a clinical condition the effectiveness of a preparation that is a mixture of plant extracts rich in polyphenolic compounds in the aspect of supporting cancer patients in minimizing side effects after a radiation therapy cycle.

The study will be conducted on a group of 10 patients with head and neck cancer who have undergone radiation therapy and experience side effects such as discomfort/changes in the oral mucosa.The patients will receive an aerosol for oral use for a period of 1 month. Before and after the study, an assessment questionnaire related to the side effects of radiation therapy will be conducted, along with the MD Anderson Dysphagia Inventory questionnaire.

Inclusion Criteria:

• Women and men, 18-75 years old
• Patients with head and neck cancer or other types of cancer after radiotherapy who suffer from oral mucositis
• Patients with dryness in mouth
• Signed informed consent.

Exclusion Criteria:

• Intake of supplements containing plant extracts, polyphenols or anthocyanins
• Participation in another clinical trial,
• Women who are pregnant, planning to become pregnant during the study or breastfeeding,
• Autoimmune disease, severe liver dysfunction, inflammatory bowel disease, tuberculosis, multiple sclerosis, AIDS, rheumatoid arthritis, organ transplantation.
• Hypersensitivity/allergy to any of the ingredient