Comment Period Extended to 3/23/2015 for Notice of Proposed Rulemaking (NPRM) for FDAAA 801 and NIH Draft Reporting Policy for NIH-Funded Trials

Characterization of Adult Subjects for Asthmatic Research Studies (CASA)

This study is currently recruiting participants. (see Contacts and Locations)
Verified September 2014 by University of California, San Francisco
Information provided by (Responsible Party):
John V. Fahy, University of California, San Francisco Identifier:
First received: January 6, 2012
Last updated: September 3, 2014
Last verified: September 2014

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.


Study Type: Observational
Study Design: Time Perspective: Cross-Sectional
Official Title: Characterization of Adult Subjects for Asthmatic Research Studies

Further study details as provided by University of California, San Francisco:

Primary Outcome Measures:
  • Airway inflammation [ Time Frame: Cross-sectional ] [ Designated as safety issue: No ]
    We will measure various indicators of airway inflammation and compare them with various phenotypic characteristics.

Estimated Enrollment: 2000
Study Start Date: May 2010
Estimated Primary Completion Date: July 2017 (Final data collection date for primary outcome measure)
Otherwise healthy asthmatic subjects
Healthy controls


Ages Eligible for Study:   18 Years and older
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population

Asthmatics and healthy control


Inclusion Criteria:

  • Age 18 years and older

Exclusion Criteria:

  • History of lung disease other than asthma
  • An upper respiratory tract infection or an exacerbation of their asthma within the preceding 4-6 weeks.
  • Persons who have smoked > 5 cigarettes per month and have a total pack-year smoking history > 10 packs.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT01508078

United States, California
University of California, San Francisco Recruiting
San Francisco, California, United States, 94143
Contact: Ida Cao    415-476-5043      
Principal Investigator: John V Fahy, MD         
Sponsors and Collaborators
University of California, San Francisco
Principal Investigator: John Fahy, MD University of California, San Francisco
  More Information

No publications provided

Responsible Party: John V. Fahy, Professor in Residence, University of California, San Francisco Identifier: NCT01508078     History of Changes
Other Study ID Numbers: 10-01627
Study First Received: January 6, 2012
Last Updated: September 3, 2014
Health Authority: United States: Institutional Review Board processed this record on February 26, 2015