127
Participants
Start Date
July 1, 2017
Primary Completion Date
September 30, 2022
Study Completion Date
September 30, 2022
Licorice
ExtractumLiquiritiaeFluidum, 1 g diluted in 30cc water, gargle the solution for 60 seconds without swallowing it starting preoperatively, 3 times a day until post-operative day 3
Sugar water
Sugar gargle: Sirupus Simplex (sugar 5 g) diluted in 30cc water, gargle the solution for 60 seconds without swallowing it starting preoperatively, 3 times a day until post-operative day 3
MUVienna, Vienna
The Cleveland Clinic
OTHER
Medical University of Vienna
OTHER