70
Participants
Start Date
January 10, 2019
Primary Completion Date
May 25, 2019
Study Completion Date
May 25, 2019
Antioxidants
one multivitamin and multimineral tablet with 500 mg grape seed extract once a day and one tablet of alpha-lipoic acid (300 mg ALA) twice a day for 3 months.
Placebo
one placebo tablet three times per day for 3 months.
"General Hospital of Athens Hippocratio, Department of Otorhinolaryngology", Athens
National and Kapodistrian University of Athens
OTHER