Chronic Refractory Cough Cohort Study (COCO)

This research is being done to test the impact cough has on quality of life. Participants will help doctors identify important aspects of chronic cough by using questionnaires and other tests.

Study phase: N/A

Study phase (if other): Observational

Basic eligibility criteria:
Please contact the study coordinator for additional eligibility information.

• Are at least 18 years or older • Have chronic cough • Non-smoker

Additional information:

COCO is a 4-week study, with 2 clinic visits. Visit 1 will be approximately 2 hours long, and visit 2 will be approximately 1.5 hours long. Procedures at these study visits will include: -Answer questions about your overall health and cough -Complete multiple choice questions about your cough symptoms and daily activates -Complete a spirometry test (breathing test) at the first visit -Have a brief physical exam with include having your height and weight measured -Complete a Cough Diary for the 4 weeks between visits -Have a blood draw

Primary disease category: Asthma & Lung

Sponsor: NHLBI

Projected enrollment dates: October 2017 to June 2020

Official study title: Chronic Refractory Cough Cohort Study (COCO)