Last updated: 11/07/2018 10:47:40
Investigation of airway inflammation in Japanese COPD patients, smoking controls and non-smoking controls
Clinicaltrials.gov ID
Not applicable
EudraCT ID
Not applicable
EU CT Number
Not applicable
Trial status
Study complete
Study complete
Trial overview
Official title: Investigation of airway inflammation in Japanese COPD patients, smoking controls and non-smoking controls
Trial description: The primary objective of the study is to demonstrate that Japanese patients with COPD exhibit airway and systemic inflammation compared to both smoking and non-smoking controls.
Primary purpose:
Not applicable
Trial design:
Not applicable
Masking:
Not applicable
Allocation:
Not applicable
Primary outcomes:
Inflammation biomarkers
Timeframe: N/A
Secondary outcomes:
Not applicable
Interventions:
Not applicable
Enrollment:
100
Primary completion date:
Not applicable
Observational study model:
Case-Control
Time perspective:
Prospective
Clinical publications:
Ishikawa N, Hattori N, Kohno N, Kobayashi A, Hayamizu T, Johnson M.Airway inflammation in Japanese COPD patients compared with smoking and non-smoking controls.Int J Chron Obstruct Pulmon Dis.2015;10(1):185-192
- Non-smoking Control (NSC)
- Males and females ≥40years of age
- Any other respiratory disease
- e.g.
Inclusion and exclusion criteria
Inclusion criteria:
- Non-smoking Control (NSC)
- Males and females ≥40years of age
- Smoking history <1 pack year
- Lung function is normal (pre-BD, FEV1/FVC ≥0.8)
- Informed consent Smoking control (SC)
- Males and females ≥40years of age
- Ex smokers or current smokers with >10 pack year smoking history
- Lung function is normal (Pre-BD FEV1/FVC ≥0.8)
- Informed consent COPD
- Males and females ≥40years of age
- Ex smokers or current smokers with≥10 pack year smoking history
- Pre-BD FEV1/FVC<0.7, 40% < %FEV1 <70%
- Informed consent
- Cough and sputum in the previous 2 weeks to identify the CB phenotype
Exclusion criteria:
- Any other respiratory disease e.g.
- Chronic bronchitis without airflow limitation
- Lung cancer
- Asthma
- bronchiectasis
- pulmonary fibrosis
- Other diseases below:
- Head and neck cancer
- Rheumatism
- Clinically significant chronic cardiac, renal, or hepatic medical condition
- Acute respiratory event including COPD exacerbations within the last 4 weeks
- Medication with ICS/LABA (ICS and/or LABA) within the last 4 weeks
- Medication with low dose xanthine (which may have an anti-inflammatory effect)
Trial location(s)
This study does not involve prospective enrollment of participants.
Study documents
Scientific result summary
Available language(s): English
If you wish to request for full study report, please contact - [email protected]
Results overview
Refer to study documents
Recruitment status
Study complete
Actual primary completion date
Not applicable
Actual study completion date
2013-05-11
Plain language summaries
Not applicable. GSK’s transparency policy provides for Plain Language Summaries for Interventional studies.
Additional information about the trial
Not applicable
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