- ICH GCP
- US Clinical Trials Registry
- Klinisk forsøg NCT00087906
Disability and Health Outcomes in COPD
Studieoversigt
Status
Betingelser
Detaljeret beskrivelse
BACKGROUND:
Background. COPD is a common chronic health condition. Because current medical treatments have minimal impact on disease progression, a strategy to prevent COPD-related disability would have important clinical and public health benefits.
DESIGN NARRATIVE:
The study will test a specific conceptual model of how disability develops in COPD. The aims are: (1) To evaluate the impact of respiratory impairment, especially pulmonary function impairment, on the risk of functional limitation in COPD. Using a control group, to elucidate the prevalence of respiratory impairment, functional limitation, and disability that is directly attributable to COPD. (2) In adults with COPD, to delineate the longitudinal effect of functional limitation on the risk of incident disability. The investigators hypothesize that development of functional limitation, and not pulmonary function impairment, is the major determinant of disability. (3) To determine the prospective impact of disability on the risk of future adverse health outcomes. The investigators will assemble a prospective cohort of 1200 randomly sampled adults with COPD who are members of a large regional health maintenance organization. A matched control group of 300 subjects will be recruited. Subjects will undergo a detailed physical assessment that measures respiratory impairment (e.g., pulmonary function) and functional limitation (e.g., lower extremity function, muscle strength, exercise performance, and cognitive function). Structured telephone interviews will ascertain disability outcomes at baseline and 18-month prospective follow-up. The investigators will also study the modulating effects of specific risk factors and protective factors on the progression from functional limitation to COPD-related disability, including psychological factors, environmental exposures, and health care process factors.
Undersøgelsestype
Tilmelding (Faktiske)
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion:
- COPD diagnosis and
- Medication use for cases
Exclusion:
1. Withdrew from Kaiser Plan prior to baseline contact
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Observationsmodeller: Case-Control
- Tidsperspektiver: Fremadrettet
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
---|---|---|
COPD Disability
Tidsramme: 10 years
|
Observational self-reported impairment in valued life activities.
|
10 years
|
Samarbejdspartnere og efterforskere
Samarbejdspartnere
Efterforskere
- Ledende efterforsker: Paul Blanc, MD, University of California at San Francisco
Datoer for undersøgelser
Studer store datoer
Studiestart
Primær færdiggørelse (Faktiske)
Studieafslutning (Faktiske)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- 1262
- R01HL077618 (U.S. NIH-bevilling/kontrakt)
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
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