184
Participants
Start Date
March 31, 2000
Primary Completion Date
July 31, 2003
Study Completion Date
July 31, 2003
n-acetylcysteine
600 mg x 3, for 12 months
placebo
Placebo
Hospital Universitario Virgen del Rocío, Seville
U.O. di Pneumologia-Ospedale, Arezzo
Klinikum Grosshadern, Munich
U.Z. Ghent, Ghent
Hôpital A. Calmette, Lille
Stichting St. Antonius Ziekenhuis, Nieuwegein
The University of Edinburgh-Medical School, Edinburgh
Zambon SpA
INDUSTRY