- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01676467
Sample Collection in Smoking Asthma
A Sample Collection Protocol for Disease Profiling of Smoking Asthma.
Study Overview
Status
Conditions
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
Middlesex
-
Harrow, Middlesex, United Kingdom, HA1 3UJ
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria (healthy subjects):
- Male or female, between 18 and 55 years of age, inclusive.
- no clinically significant abnormalities.
- able to produce an adequate induced sputum sample.
- no history of chronic respiratory disease including asthma.
- no history of allergic symptoms e.g., allergic rhinitis, eczema.
- No other acute illness in the 6 weeks prior to Visit 1.
Additional Inclusion Criterion for Healthy Smoking Subjects
- Be a smoker for >/= 1 year.
Additional Inclusion Criteria (Persistent Asthmatic Subjects):
- No contraindications to the procedures in this study.
- Symptoms compatible with asthma for at least 6 months prior to screening
- Pre-bronchodilator FEV1 >/=50% predicted at Visit 1.
- clinically stable asthma for at least 6 weeks prior to Visit 1.
- No acute illness including asthma exacerbation requiring augmentation of therapy in the 6 weeks prior to Visit 1.
- on current asthma controller therapy for >/= 6 weeks prior to Visit 1.
Additional Inclusion for Steroid Naïve Asthmatics (smoking or non-smoking)
- Must not have received a regular course of inhaled or oral corticosteroids for at least 3 months prior to Visit 1.
Additional Inclusion for Smoking Asthmatics
- Be a smoker for >/= 1 year prior to Visit 1.
Exclusion Criteria (healthy):
- History of any clinically significant medical illness or medical disorders.
- Diagnosis of chronic obstructive pulmonary disease (COPD), cystic fibrosis, or other significant respiratory disorder including significant occupational or environmental exposures with ongoing respiratory symptoms.
- bronchodilator response of >/=12% and at least 200 mL from baseline or an FEV1 value <85% of predicted value at Visit 1.
- positive urine pregnancy screening result.
- recent history (within previous 6 months) of alcohol or drug abuse.
- Positive urine toxicology screen for substances of abuse
- positive serology test for HIV antibodies, hepatitis B surface antigen (HBsAg), or hepatitis C virus antibody (anti-HCV) at Visit 1.
- Received an experimental antibody or biologic therapy within the 6 months prior to Visit 1, or received any other experimental therapy or new investigational agent within 60 days of Visit 1.
- Is an employee or family member of the investigator, study centre or Sponsor.
- Any condition that, in the opinion of the investigator, would complicate or compromise the study, or the well-being of the subject.
- Use of any antioxidants within 1 week of Visit 1 and throughout the study period.
- known allergies, hypersensitivity, or intolerance to short acting β-agonists (SABA).
Additional Exclusion Criterion for Healthy Non-smoking Subjects
- subject is a smoker (regular or irregular), or has smoked or used nicotine-containing products within the 6 months prior to Visit 1.
Additional Exclusion Criteria (Persistent Asthma Subjects):
- Diagnosis of allergic bronchopulmonary aspergillosis (ABPA), allergic bronchopulmonary mycosis (ABPM), or occupational asthma.
- Diagnosis of COPD, cystic fibrosis, or other significant respiratory disorder including significant occupational or environmental exposures with ongoing respiratory symptoms.
- Use of theophylline, N-acetyl cysteine, or any other anti-oxidants within 1 week of Visit 1 and throughout the study period.
- positive test for tuberculosis at Visit 1.
Additional Exclusion Criterion for Non-smoking Asthmatic Subjects
- subject is a smoker (regular or irregular), or has smoked or used nicotine-containing products within the 6 months prior to Visit 1.
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
---|
Smoking asthma on steroids
Smokers with persistent asthma on background steroid therapy
|
Smoking asthma steroid naïve
Smokers with persistent asthma, steroid naive
|
asthma on steroids
Non-Smokers with persistent asthma on background steroid therapy
|
asthma, steroid naïve
Non-smokers with persistent asthma, steroid naive
|
Healthy smoking
Healthy smoking control subjects
|
Healthy non-smoking
Healthy non-smoking control subjects
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sputum and serum biomarkers
Time Frame: Day 10
|
Measurement of biomarkers of inflammation, including but not limited to: TNFα, IL-8, IFNγ, IP10 and eotaxin in sputum supernatant and serum will be collected and measured only once, at Visit 2 (Day 10).
|
Day 10
|
Sputum cell count
Time Frame: Day 10
|
Sputum cell count (total cells, differentials and absolute number) at Visit 2 (Day 10).
|
Day 10
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Dr Garth Rapeport, Respivert Ltd
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ENA002
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
Clinical Trials on Asthma
-
Vanderbilt University Medical CenterNot yet recruitingAsthma in Children | Asthma Attack | Asthma Acute | Acute Asthma Exacerbation | Asthma; StatusUnited States
-
University of California, San FranciscoCompletedAsthma in Children | Asthma Attack | Asthma Acute | Asthma ChronicUnited States
-
Johann Wolfgang Goethe University HospitalCompleted
-
Universita di VeronaCompleted
-
Parc de Salut MarActive, not recruitingAsthma in Children | Persistent Asthma | Asthma ExacerbationSpain
-
Forest LaboratoriesCompleted
-
Brunel UniversityKarolinska InstitutetUnknown
-
Value Outcomes Ltd.AstraZenecaCompletedAsthma, Bronchial | Bronchial Asthma | Asthma Chronic | Asthma; EosinophilicCzechia
-
Johann Wolfgang Goethe University HospitalCompletedExercise-induced AsthmaGermany