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Sponsored by: |
Imperial College London |
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Information provided by: | Imperial College London |
ClinicalTrials.gov Identifier: | NCT00180635 |
The primary aim of this study is to investigate the effects of oral and inhaled administration of L-arginine and of inhaled aminoguanidine on bronchial and alveolar exhaled NO and NO metabolites in exhaled breath condensate, induced sputum, nasal lavage and mouth wash fluid in healthy non-smokers, current smokers and patients with COPD.
Condition | Intervention |
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Healthy Volunteers (Non-Smoker) Healthy Volunteers (Smoker) Chronic Obstructive Pulmonary Disease |
Procedure: Inhalation of aminoguanidine and oral intake and inhalation of L-arginine Procedure: Exhaled Breath Condensate Procedure: Nasal Nitric Oxide Procedure: Nasal Lavage Procedure: Spirometry |
Study Type: | Interventional |
Study Design: | Randomized, Double-Blind, Placebo Control, Crossover Assignment |
Official Title: | A Double Blind, Crossover Placebo-Controlled Study to Evaluate the Effect of l-Arginine and Aminoguanidine on Bronchial and Alveolar Nitric Oxide and Nitric Oxide Metabolites in Exhaled Air, Breath Condensate, Nasal Lavage, Mouth Wash Fluid, and Induced Sputum in 7 Healthy Non-Smokers, 10 Smokers and 12 COPD Patients |
Ages Eligible for Study: | 21 Years to 70 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
At risk (current smokers)
Moderate COPD
Exclusion Criteria:
United Kingdom | |
Section of Airway Disease, Asthma Lab, Imperial College London, Royal Brompton Hospital | |
London, United Kingdom, SW3 6LY |
Principal Investigator: | Sergei A Kharitonov, MD PhD | Imperial College London |
Study ID Numbers: | 02-104-170903 |
Study First Received: | September 9, 2005 |
Last Updated: | April 4, 2008 |
ClinicalTrials.gov Identifier: | NCT00180635 |
Health Authority: | United Kingdom: Research Ethics Committee |
Nitric Oxide Lung Diseases, Obstructive Respiratory Tract Diseases Lung Diseases |
Stress Healthy Pimagedine Pulmonary Disease, Chronic Obstructive |
Respiratory System Agents Vasodilator Agents Neurotransmitter Agents Antioxidants Molecular Mechanisms of Pharmacological Action Physiological Effects of Drugs Anti-Asthmatic Agents Enzyme Inhibitors Cardiovascular Agents |
Protective Agents Pharmacologic Actions Autonomic Agents Therapeutic Uses Free Radical Scavengers Endothelium-Dependent Relaxing Factors Peripheral Nervous System Agents Bronchodilator Agents |