27
Participants
Start Date
May 15, 2019
Primary Completion Date
January 15, 2021
Study Completion Date
January 15, 2021
Theophylline
Theophylline delivered via high-volume, low-pressure nasal saline irrigation
Saline Nasal
Lactose delivered via high-volume, low-pressure nasal saline irrigation
Washington University in St. Louis, St Louis
Washington University School of Medicine
OTHER