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Studies of induced immune responses in smokers

Phase 1
Conditions
Airway inflammation in smokers with and without COPD and / or CB
Therapeutic area: Diseases [C] - Respiratory Tract Diseases [C08]
Registration Number
EUCTR2010-023681-45-SE
Lead Sponsor
Verksamhetsområde Geriatrik, Lungmedicin och Allergologi vid Sahlgrenska Universitetssjukhuset
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
ot Recruiting
Sex
All
Target Recruitment
100
Inclusion Criteria

age 40-75,
smokers / non smokers
no regular medication (except birth control pills and antidepressants)
no chronic disease other than CB or COPD
informed consent
BMI / weight

Are the trial subjects under 18? no
Number of subjects for this age range:
F.1.2 Adults (18-64 years) yes
F.1.2.1 Number of subjects for this age range 80
F.1.3 Elderly (>=65 years) yes
F.1.3.1 Number of subjects for this age range 20

Exclusion Criteria

asthma, atopy, eczema,
cardiovascular disorders
pregnancy,
regular medication
snuff, chewing tobacco
current participation in other studies
chronic disease other than COPD / CB
BMI / weight
diabetes
allergic reaction against ketobemidone, midazolam or lidocaine

Study & Design

Study Type
Interventional clinical trial of medicinal product
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
Main Objective: Analyse the immune response caused by local endotoxinexposure in the airways and blood of smokers with and without CB and / or COPD and to identify differences from healthy never-smokers<br>;Secondary Objective: To identify cellular and molecular targets for new drug treatment for chronic respiratory disease<br>;Primary end point(s): Cell content of the BAL fluid, changes in inflammtory cells and mediators in airways <br>;Timepoint(s) of evaluation of this end point: All samples will be analyzed immediately after bronchoscopy 1 and 2.<br>
Secondary Outcome Measures
NameTimeMethod
Secondary end point(s): Changes in the inflammatory cells and the mediators the blood.<br>;Timepoint(s) of evaluation of this end point: All samples will be analyzed immediately after bronchoscopy 1 and 2.<br>
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