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Clinical Trial Summary

Studies suggest that N-acetylcysteine (NAC) potentially reduces inflammation and hyperinflation in patients with COPD.

In this pilot study the efficacy, safety and tolerability of high dose NAC in 12 patients with moderate COPD will be examined. These patients will receive a placebo for 12 weeks and NAC for 12 weeks in a dosage of 3 times 600 mg a day on top of their usual medication in a randomized crossover design. All subjects will be followed for 28 weeks.

The effect of high dose NAC on small airways will be assessed by measuring the total and peripheral airway resistance calculated with Computational Fluid Dynamics (CFD). The effect on oxidative stress will be assessed by measuring exhaled NO and specific markers (CRP, erythrocyte sedimentation rate, IL-6, 8-isoprostane, H2O2, TNF-alfa, glutathione, GPX, SOD and IL-8) in blood and Exhaled Breath Condensate (EBC). Dynamic and static lung volumes will be assessed by spirometry, body plethysmography and diffusion. Quality of life and symptoms will be assessed by the St George Respiratory Questionnaire.


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms

  • COPD
  • Pulmonary Disease, Chronic Obstructive

NCT number NCT00969904
Study type Interventional
Source University Hospital, Antwerp
Contact
Status Completed
Phase Phase 4
Start date March 2009
Completion date January 2011

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