137 patients were divided in 4 groups:
- Group A (37 patients): all received a complete session of professional oral health care (POHC) and Mucosamin spray on mucositis lesions 3-4 times a day after a meal.
- Group B (32 patients): all received a complete session of professional oral health care (POHC) and Clorexidine 0.20%.
- Group C (34 patients): received Mucosamin spray on mucositis lesions 3-4 times a day after a meal.
- Group D (34 patients): received only Clorexidine 0.20% on oral mucositis lesions.