NCT00005291

Brief Summary

To provide information on morbidity and health care utilization for asthma for a large, well-defined population over a 20 year period.

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Timeline
Completed

Started Jul 1988

Longer than P75 for all trials

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

July 1, 1988

Completed
11.9 years until next milestone

First Submitted

Initial submission to the registry

May 25, 2000

Completed
1 day until next milestone

First Posted

Study publicly available on registry

May 26, 2000

Completed
2.8 years until next milestone

Study Completion

Last participant's last visit for all outcomes

April 1, 2003

Completed
Last Updated

February 18, 2016

Status Verified

June 1, 2000

First QC Date

May 25, 2000

Last Update Submit

February 17, 2016

Conditions

AsthmaLung Diseases

Eligibility Criteria

AgeUp to 100 Years
Sexmale
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
No eligibility criteria

Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.

Sponsors & Collaborators

Related Publications (6)

  • Vollmer WM, Buist AS, Osborne ML. Twenty year trends in hospital discharges for asthma among members of a health maintenance organization. J Clin Epidemiol. 1992 Sep;45(9):999-1006. doi: 10.1016/0895-4356(92)90115-4.

    PMID: 1432028BACKGROUND

  • Osborne ML, Vollmer WM, Buist AS. Diagnostic accuracy of asthma within a health maintenance organization. J Clin Epidemiol. 1992 Apr;45(4):403-11. doi: 10.1016/0895-4356(92)90041-k.

    PMID: 1569436BACKGROUND

  • Osborne ML, Vollmer WM, Johnson RE, Buist AS. Use of an automated prescription database to identify individuals with asthma. J Clin Epidemiol. 1995 Nov;48(11):1393-7. doi: 10.1016/0895-4356(95)00065-8.

    PMID: 7490602BACKGROUND

  • Vollmer WM, Osborne ML, Buist AS. Temporal trends in hospital-based episodes of asthma care in a health maintenance organization. Am Rev Respir Dis. 1993 Feb;147(2):347-53. doi: 10.1164/ajrccm/147.2.347.

    PMID: 8430957BACKGROUND

  • Vollmer WM, Osborne ML, Buist AS. 20-year trends in the prevalence of asthma and chronic airflow obstruction in an HMO. Am J Respir Crit Care Med. 1998 Apr;157(4 Pt 1):1079-84. doi: 10.1164/ajrccm.157.4.9704140.

    PMID: 9563722BACKGROUND

  • Osborne ML, Vollmer WM, Buist AS. Periodicity of asthma, emphysema, and chronic bronchitis in a northwest health maintenance organization. Chest. 1996 Dec;110(6):1458-62. doi: 10.1378/chest.110.6.1458.

    PMID: 8989061BACKGROUND

MeSH Terms

Conditions

AsthmaLung Diseases

Condition Hierarchy (Ancestors)

Bronchial DiseasesRespiratory Tract DiseasesLung Diseases, ObstructiveRespiratory HypersensitivityHypersensitivity, ImmediateHypersensitivityImmune System Diseases

Study Design

Study Type
observational
Sponsor Type
NIH

Study Record Dates

First Submitted

May 25, 2000

First Posted

May 26, 2000

Study Start

July 1, 1988

Study Completion

April 1, 2003

Last Updated

February 18, 2016

Record last verified: 2000-06