Abstract
Introduction
Oxidant/antioxidant interactions are known to be important processes in the pathogenesis of chronic obstructive pulmonary disease (COPD). We aimed to evaluate the effects of corticosteroids (CS), and Nacetylcysteine (NAC) on plasma oxidant/antioxidant levels in patients with COPD.
Methods
This study utilised a single-blind, randomised, placebo-controlled, parallel-group methodology. We enrolled 58 patients with stable COPD and 30 healthy controls with similar demographic profiles. The patients with COPD were randomly divided into three treatment groups. Group 1 received basal treatment (regular ipratropium bromide and beta-2 agonist as needed), placebo CS and placebo NAC. In addition to basal treatment, group 2 received oral CS (methylprednisolone 40 mg/day) and placebo NAC. Group 3 received basal treatment plus NAC (600 mg/day) and placebo CS. Each group received treatment for 15 days. We measured plasma malondialdehyde (MDA) and superoxide dismutase (SOD) at the start and the end of study.
Results
Post-treatment plasma MDA levels were significantly lowered only in group 2 (P=0.004). No significant differences were found with respect to erythrocyte SOD levels.
Conclusion
This study demonstrates that oral CS, by aiding the oxidant/antioxidant system, may offer a new therapeutic option in COPD treatment.
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Kuleci, S., Hanta, I., Kocabas, A. et al. The effect of different treatment modalities on oxidative stress in COPD. Adv Therapy 25, 710–717 (2008). https://doi.org/10.1007/s12325-008-0064-4
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DOI: https://doi.org/10.1007/s12325-008-0064-4