NCT00005564

Brief Summary

To assess the separate and interactive effects of asthma severity, subspecialty practice variation, asthma-related psychosocial variables, and other factors on asthma outcomes, including asthma-specific quality of life and activity limitations, health care utilization for asthma, and direct and indirect costs of asthma.

Trial Health

100
On Track

Trial Health Score

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

Timeline
Completed

Started Jul 1997

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, 1997

Completed
2.9 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 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2002

Completed
Last Updated

March 16, 2016

Status Verified

July 1, 2004

First QC Date

May 25, 2000

Last Update Submit

March 15, 2016

Conditions

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 (16)

  • Katz PP, Eisner MD, Henke J, Shiboski S, Yelin EH, Blanc PD. The Marks Asthma Quality of Life Questionnaire: further validation and examination of responsiveness to change. J Clin Epidemiol. 1999 Jul;52(7):667-75. doi: 10.1016/s0895-4356(99)00026-8.

    PMID: 10391660BACKGROUND
  • Yelin E, Henke J, Katz PP, Eisner MD, Blanc PD. Work dynamics of adults with asthma. Am J Ind Med. 1999 May;35(5):472-80. doi: 10.1002/(sici)1097-0274(199905)35:53.0.co;2-s.

    PMID: 10212700BACKGROUND
  • Eisner MD, Katz PP, Yelin EH, Henke J, Smith S, Blanc PD. Assessment of asthma severity in adults with asthma treated by family practitioners, allergists, and pulmonologists. Med Care. 1998 Nov;36(11):1567-77. doi: 10.1097/00005650-199811000-00006.

    PMID: 9821944BACKGROUND
  • Eisner MD, Yelin EH, Henke J, Shiboski SC, Blanc PD. Environmental tobacco smoke and adult asthma. The impact of changing exposure status on health outcomes. Am J Respir Crit Care Med. 1998 Jul;158(1):170-5. doi: 10.1164/ajrccm.158.1.9801028.

    PMID: 9655725BACKGROUND
  • Eisner MD, Yelin EH, Katz PP, Shiboski SC, Henke J, Blanc PD. Predictors of cigarette smoking and smoking cessation among adults with asthma. Am J Public Health. 2000 Aug;90(8):1307-11. doi: 10.2105/ajph.90.8.1307.

    PMID: 10937016BACKGROUND
  • Yelin E, Trupin L, Cisternas M, Eisner M, Katz P, Blanc P. A national study of medical care expenditures for respiratory conditions. Eur Respir J. 2002 Mar;19(3):414-21. doi: 10.1183/09031936.02.00522001.

    PMID: 11936516BACKGROUND
  • Blanc PD, Trupin L, Earnest G, Katz PP, Yelin EH, Eisner MD. Alternative therapies among adults with a reported diagnosis of asthma or rhinosinusitis : data from a population-based survey. Chest. 2001 Nov;120(5):1461-7. doi: 10.1378/chest.120.5.1461.

    PMID: 11713120BACKGROUND
  • Eisner MD, Katz PP, Yelin EH, Shiboski SC, Blanc PD. Risk factors for hospitalization among adults with asthma: the influence of sociodemographic factors and asthma severity. Respir Res. 2001;2(1):53-60. doi: 10.1186/rr37. Epub 2000 Dec 29.

    PMID: 11686864BACKGROUND
  • Eisner MD, Katz PP, Yelin EH, Hammond SK, Blanc PD. Measurement of environmental tobacco smoke exposure among adults with asthma. Environ Health Perspect. 2001 Aug;109(8):809-14. doi: 10.1289/ehp.01109809.

    PMID: 11564616BACKGROUND
  • Blanc PD, Trupin L, Eisner M, Earnest G, Katz PP, Israel L, Yelin EH. The work impact of asthma and rhinitis: findings from a population-based survey. J Clin Epidemiol. 2001 Jun;54(6):610-8. doi: 10.1016/s0895-4356(00)00349-8.

    PMID: 11377122BACKGROUND
  • Katz PP, Yelin EH, Eisner MD, Blanc PD. Perceived control of asthma and quality of life among adults with asthma. Ann Allergy Asthma Immunol. 2002 Sep;89(3):251-8. doi: 10.1016/S1081-1206(10)61951-5.

    PMID: 12269644BACKGROUND
  • Eisner MD, Yelin EH, Katz PP, Earnest G, Blanc PD. Exposure to indoor combustion and adult asthma outcomes: environmental tobacco smoke, gas stoves, and woodsmoke. Thorax. 2002 Nov;57(11):973-8. doi: 10.1136/thorax.57.11.973.

    PMID: 12403881BACKGROUND
  • Eisner MD, Blanc PD. Environmental tobacco smoke exposure during travel among adults with asthma. Chest. 2002 Sep;122(3):826-8. doi: 10.1378/chest.122.3.826.

    PMID: 12226020BACKGROUND
  • Blanc PD, Trupin L, Earnest G, San Pedro M, Katz PP, Yelin EH, Eisner MD. Effects of physician-related factors on adult asthma care, health status, and quality of life. Am J Med. 2003 May;114(7):581-7. doi: 10.1016/s0002-9343(03)00053-6.

    PMID: 12753882BACKGROUND
  • Cisternas MG, Blanc PD, Yen IH, Katz PP, Earnest G, Eisner MD, Shiboski S, Yelin EH. A comprehensive study of the direct and indirect costs of adult asthma. J Allergy Clin Immunol. 2003 Jun;111(6):1212-8. doi: 10.1067/mai.2003.1449.

    PMID: 12789219BACKGROUND
  • Snyder L, Blanc PD, Katz PP, Yelin EH, Eisner MD. Leukotriene modifier use and asthma severity: how is a new medication being used by adults with asthma? Arch Intern Med. 2004 Mar 22;164(6):617-22. doi: 10.1001/archinte.164.6.617.

    PMID: 15037489BACKGROUND

MeSH Terms

Conditions

AsthmaLung Diseases

Condition Hierarchy (Ancestors)

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

Study Officials

  • Paul Blanc

    University of California at San Francisco

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, 1997

Study Completion

June 1, 2002

Last Updated

March 16, 2016

Record last verified: 2004-07