RecruitingAsthma
Mechanistic Insights From Bronchoscopy Airway Samples
Eligible age
18–70 yrs
Accepts
All genders
Locations
1 state
Healthy volunteers
Yes
See if you qualify for this study
Answer a few quick questions about your location and health. Takes about a minute.
About this study
The purpose of this study is to examine the mechanisms of asthma. The investigators are comparing the cells of individuals with and without asthma and looking at the roles various parts of the cell play in the production and secretion of mucus.
Sponsor: University of California, San Francisco
You may qualify if…
- ✓ Healthy Controls
- ✓ 1. Male and female subjects between the ages of 18 and 70 years
- ✓ 2. Ability to provide written informed consent and ability to comply with the requirements of the study
- ✓ 3. No hyperreactivity to methacholine (PC20 FEV1 Methacholine \>16 mg/mL)
- ✓ 4. No history of allergic rhinitis/seasonal allergies
- ✓ Asthmatics
- ✓ 1. Male and female subjects between the ages of 18 and 70 years
- ✓ 2. Ability to provide written informed consent and ability to comply with the requirements of the study
You may not qualify if…
- ✕ The same exclusion criteria will apply to both Sub-studies.
- ✕ 1. Current smokers, defined by (a) \>5 cigarettes smoked in past 12 months, and (b) ≤ 8 weeks since last time smoking; or former smokers who have a total smoking history
- ✕ 10 pack-years
- ✕ 2. Pregnant, breastfeeding, or unwilling to practice birth control during participation in the study
- ✕ 3. Subjects with a history of lung disease other than asthma
- ✕ 4. Subjects with a history of prior esophageal hernia surgery
- ✕ 5. Subjects with a history of a medical disease, which in the opinion of the Investigator may put the subject at extra risk from study-related procedures or because the disease may influence the results of the study
- ✕ 6. Current participation in an investigational drug trial
Where it's recruiting
California
San Francisco
Source: ClinicalTrials.gov · NCT06105710 · last updated 2026-04-24