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Efficacy and Safety Study of Inhaled Glutathione in Cystic Fibrosis Patients

Cystic Fibrosis Clinical Trial

Official title:
Randomized, Placebo-controlled, Double-blinded Study to Investigate the Efficacy and Safety of a 24-week Inhalation Treatment With Glutathione in Cystic Fibrosis Patients

Clinical Trial Summary

The majority of cystic fibrosis (CF) patients die from a progressive pulmonary disease.Airway inflammation plays a major role for the pathogenesis of CF lung disease, and ultimately leads to lung destruction. The release of oxidants during the inflammation process leads to a chronic imbalance of oxidants and antioxidants and may be a central component leading to irreversible lung damage in CF patients. The antioxidant glutathione, which is a naturally occurring tripeptide, is depleted in the extracellular epithelial lining fluid of the CF lung. The elevation of reduced level to normal and also the augmentation of glutathione concentrations above the normal level, as observed in smokers and during defence of Pseudomonas infection, may be desirable to avoid lung damage. Data from pilot studies in humans and animals have indicated that the glutathione concentrations in epithelial lining fluid can be elevated by aerosol application.

The main objective of this trial is to evaluate the effect of a 24-week treatment with inhaled glutathione compared with control inhalations (normal saline) on pulmonary function in adult and pediatric CF patients. Secondary objectives are to determine the effects of inhaled glutathione on inflammatory variables, glutathione levels and free elastase in induced sputum and to evaluate the safety and tolerability of the 24-week treatment with inhaled GSH.

There is considerable hope within the CF community that the addition of anti-oxidative therapy to an already comprehensive program for treating the lungs will decrease morbidity and improve the quality of life for patients with CF.

Clinical Trial Description

n/a

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00506688
Study type Interventional
Source Mukoviszidose Institut gGmbH
Contact
Status Completed
Phase Phase 2
Start date July 2007
Completion date May 2010
View Details
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