A Study to Assess Selected Biomarkers in Subjects Requiring Daily Inhaled Corticosteroids for Persistent Asthma
A Prospective Observational Study to Assess the Role of Selected Biomarkers in Subjects Requiring Daily Medium- to High-dose Inhaled Corticosteroids for Persistent Asthma
Studieoversigt
Status
Status
Betingelser
Betingelser
Intervention / Behandling
Intervention / Behandling
Undersøgelsestype
Undersøgelsestype
Tilmelding (Faktiske)
Tilmelding
Kontakter og lokationer
Studiesteder
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Alberta
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Calgary, Alberta, Canada
- Research Site
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Edmonton, Alberta, Canada
- Research Site
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British Columbia
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Vancouver, British Columbia, Canada
- Research Site
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Ontario
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Toronto, Ontario, Canada
- Research Site
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Quebec
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Montreal, Quebec, Canada
- Research Site
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Quebec City, Quebec, Canada
- Research Site
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Colorado
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Denver, Colorado, Forenede Stater
- Research Site
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Illinois
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Normal, Illinois, Forenede Stater
- Research Site
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Maryland
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Baltimore, Maryland, Forenede Stater
- Research Site
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Michigan
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Ann Arbor, Michigan, Forenede Stater
- Research Site
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Minnesota
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Rochester, Minnesota, Forenede Stater
- Research Site
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Missouri
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St. Louis, Missouri, Forenede Stater
- Research Site
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North Carolina
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Chapel Hill, North Carolina, Forenede Stater
- Research Site
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Ohio
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Columbus, Ohio, Forenede Stater
- Research Site
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Pennsylvania
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Pittsburg, Pennsylvania, Forenede Stater
- Research Site
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Texas
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Galveston, Texas, Forenede Stater
- Research Site
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Houston, Texas, Forenede Stater
- Research Site
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Wisconsin
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Madison, Wisconsin, Forenede Stater
- Research Site
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Deltagelseskriterier
Berettigelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
Tager imod sunde frivillige
Køn, der er berettiget til at studere
Prøveudtagningsmetode
Studiebefolkning
Beskrivelse
Inclusion Criteria:
- Age 18 through 75 at the time of screening
- Written informed consent and any locally required authorization obtained from the subject prior to performing any protocol-related procedures, including screening evaluations
- History of physician-diagnosed asthma for at least 12 months prior to screening
- Stable Medium- to high-dose ICS divided twice daily as outlined by the NHLBI Asthma Guidelines, 2007
Exclusion Criteria:
- Any medical condition that, in the opinion of the investigator or medical monitor, would interfere with interpretation of subject safety or study results
- Concurrent enrollment in another clinical study
- Use of immunosuppressive medication within 3 months prior to screening
- Acute upper or lower respiratory infections requiring antibiotics or antiviral medications with in 30 days prior to screening or during screning period.
- Receipt of immunoglobulin or blood products within 30 days prior to screening or during the screening period
- Receipt of any investigational non-biological drug therapy within 30 days or 5 half-lives prior to screening whichever is longer; or receipt of any marketed or investigational biologic within 6 months or 5 half-lives prior to screening whichever is longer
- Pregnant, lactating, or breastfeeding woman
- Diagnosis of lung disease other than persistent asthma
- History of smoking ≥10 pack years or any smoking within 12 months prior to screening
- History of active, infectious hepatitis A, B, C or human immunodeficiency virus (HIV)
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
Antal grupper/kohorter
Kohorter og interventioner
Gruppe / kohorteGruppe / kohorte |
Intervention / BehandlingIntervention / Behandling |
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Cohort 1
50 eosinophilic subjects to be evaluated
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Biomarker
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Cohort 2
50 non-eosinophilic subjects to be evaluated
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Biomarker
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Hvad måler undersøgelsen?
Primære resultatmål
Primære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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To identify an optimal prediction rule for classifying sputum eosinophilic and non-eosinophilic asthmatics.
Tidsramme: 8 Days
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Variables representing lung function tests, patient reported outcomes, and blood biomarkers will be evaluated singly and in various combinations.
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8 Days
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Sekundære resultatmål
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
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To assess which markers are associated with sputum eosinophils.
Tidsramme: 8 Days
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Comparing lung function tests between eosinophilic and non-eosinophilic subjects.
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8 Days
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To assess which markers are associated with sputum eosinophils
Tidsramme: 8 Days
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Comparing blood biomarkers between eosinophilic and non-eosinophilic subjects
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8 Days
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To assess which markers are associated with sputum esonophils
Tidsramme: 8 Days
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Comparing sputum biomarkers bewteen eosinophilic and non-eosinophilic subjects
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8 Days
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To assess which markers are associated with sputum eosinophils.
Tidsramme: 8 Days
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Comparing patient reported outcomes between eosinophilic and non-eosinophilic subjects.
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8 Days
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To evaluate transcript expression profiles in whole blood and/or sputum using microarray analyses
Tidsramme: 8 Days
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8 Days
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Samarbejdspartnere og efterforskere
Sponsor
Sponsor
Efterforskere
Efterforskere
- Studieleder: David Gossage, M.D., MedImmune LLC
Datoer for undersøgelser
Studer store datoer
Studiestart
Studiestart
Primær færdiggørelse (Faktiske)
Primær færdiggørelse
Studieafslutning (Faktiske)
Studieafslutning
Datoer for studieregistrering
Først indsendt
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først indsendt, der opfyldte QC-kriterier
Først opslået (Skøn)
Først opslået
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Skøn)
Sidste opdatering sendt
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
Andre undersøgelses-id-numre
- MI-CP223
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