NCT01508078Suspended
Characterization of Adult Subjects for Asthmatic Research Studies
Source: ClinicalTrials.gov · Last updated 14 Aug 2026
Brief summary (registry, in English)
This study is designed to characterize subjects in terms of the nature and severity of their asthma and in terms of conditions that may alter the clinical expression of asthma. Some features will be obtained in all subjects. These include a medical history and baseline lung function tests. This characterization forms the basis for our database that facilitates research protocols.
- Status (registry)
- Suspended
- Study type
- Observational
- Enrollment
- 259 (actual)
- First submitted
- 6 Jan 2012
- Start date
- May 2010
- Primary completion date
- Jul 2027
- Lead sponsor
- University of California, San Francisco
- Diseases
- Asthma
- NCT number
- NCT01508078
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- History of lung disease other than asthma
- An upper respiratory tract infection or an exacerbation of their asthma within the preceding 4-6 weeks.
Other
- Persons who have smoked \> 5 cigarettes per month and have a total pack-year smoking history \> 10 packs.
Who the study is looking for
- Age 18 years and older
Age in the registry: 18 years to - · Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Save your city in your profile to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| University of California San Francisco Coordinator of this site? Confirm its status | San Francisco | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.