90
Participants
Start Date
January 31, 2013
Primary Completion Date
August 31, 2013
Study Completion Date
September 30, 2013
Glucose oxidase + glucose
Isotone saline + 200U/ml of glucose oxidase + 5% of glucose in a bag on valve nasal spray device
Saline+glucose
Placebo arm
Öronmottagningen, Södra Sunderbyn
Krister Tano
OTHER