79
Participants
Start Date
February 1, 2020
Primary Completion Date
February 28, 2023
Study Completion Date
September 30, 2023
Xylitol Powder
The bilateral nasal cavity was irrigated by using a Sanvic SH903 pulsatile irrigator containing 400 ml of xylitol solution once a day for 2 months.
Salt Powder
The bilateral nasal cavity was irrigated by using a Sanvic SH903 pulsatile irrigator containing 400 ml of normal saline once a day for 2 months.
Taichung Veterans General Hospital, Taichung
Taichung Veterans General Hospital
OTHER