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The aim of the study is to investigate the effect of inhaled apocynin on ROS (reactive oxygen species) and NOS (reactive nitrogen species) synthesis in 13 COPD patients. Effects of nebulized apocynin (0.5 mg/ml, 6 ml) were assessed in exhaled breath condensate (EBC) after 30, 60 and 120 minutes.
Apocynin reduced hydrogen peroxide concentration in exhaled breath condensate 60 and 120 minutes after apocynin nebulization comparing to placebo (0.43 μM vs. 0.59 μM and 0.41 μM vs. 0.58 μM respectively, p\<0.05). Interestingly, apocynin caused decrease of NO2- concentration 30, 60 and 120 minutes after apocynin inhalation (3.9 μM vs. 4.5 μM, 3.8 μM vs. 4.5 μM and 3.7 μM vs. 4,4 μM respectively, p\<0.05) comparing to placebo, but did not cause any significant changes in concentration of NO3- in any timepoint (p\>0.05). No influence of apocynin on safety parameters, and no adverse effects has been observed.
Age
40 - 80 years
Sex
ALL
Healthy Volunteers
No
Start Date
October 1, 2010
Primary Completion Date
January 1, 2011
Completion Date
April 1, 2011
Last Updated
July 26, 2011
13
ACTUAL participants
Apocynin and placebo nebulization
DRUG
Lead Sponsor
Medical University of Lodz
Collaborators
NCT07477600
NCT05878769
NCT06717659
Data Source & Attribution
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