13
Participants
Start Date
January 31, 2006
Primary Completion Date
July 31, 2007
Study Completion Date
July 31, 2007
Placebo
Placebo 4 capsules b.i.d. during 1 year
ascorbic acid
Ascorbic acid 1000 mg (4 capsules of 250 mg) b.i.d. during 1 year
Department of Neurology Academic Medical Center University of Amsterdam, Amsterdam
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
OTHER