9
Participants
Start Date
January 31, 2017
Primary Completion Date
September 30, 2017
Study Completion Date
April 30, 2021
Endoscopic sinus surgery
This is an observational trial of patients with and without asthma who have concomitant chronic rhinosinusitis requiring endoscopic sinus surgery.
UCSF Airway Clinical Research Center, San Francisco
University of California, San Francisco
OTHER