30
Participants
Start Date
December 31, 2007
Primary Completion Date
January 31, 2008
Study Completion Date
December 31, 2008
mouth wash with morphine
morphine solution 0.2% concentration; 15ml per unit mouthwash 6 time à day
placebo
placebo solution Quinine diHCl 0.3% at 50 mg/15 ml mouthwash 6 time/day
University Hospital Geneva, Geneva
University Hospital, Geneva
OTHER