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Patints With COPD (GOLD II) clinical trials

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NCT ID: NCT00159302 Withdrawn - Healthy Smokers Clinical Trials

Biomarkers of iNOS Activity in COPD, Asthma, Healthy Control

Start date: September 2003
Phase:
Study type: Observational

This pilot study will measure the baseline levels and the intra- and inter-subject variability of exhaled (alveolar and bronchial) and nasal NO in smoking subjects with mild and moderate COPD on or off steroid treatment, smoking healthy volunteers and non-smoking mild asthmatics off steroids, using multiple exhalation flow rates. I