IRCT20171221037983N5 IRCT 2019-09-30 Oroumia University of Medical Sciences The effect of mouthwash on the prevention of ventilator-acquired pneumonia The effect of combined mouthwash on the prevention of ventilator-acquired pneumonia in mechanically ventilated patients admitted to intensive care unit 2017-04-21 anticipated 124 Complete https://irct.ir/trial/41677 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Patients will randomly divided into two intervention and control groups. Individual numbers will be allocated to the intervention group and pair numbers to the control group, Blinding description: The study will be a single-blind study and patients will be blind that they belonged to the intervention or control group. N/A Mechanically ventilated patients. Intervention 1: Intervention group: combined mouthwash of gentamycin of 2%, Clestine of 2% and vancomycin of 2% that it will rubbed for 4 times per day (every 6 hours) into patients' oral mucosa with a finger. Intervention 2: Control group: Chlorhexidine mouthwash of 0.2% that it will rubbed for 4 times per day (every 6 hours) into patients' oral mucosa with a finger. No - There is not a plan to make this available Justification or reason for not sharing IPD is Confidentiality of information