50
Participants
Start Date
August 22, 2020
Primary Completion Date
May 22, 2021
Study Completion Date
September 22, 2021
Zinc gluconate
120 mg each tablet containing 30 mg elemental zinc
Placebo
Placebo (microcrystalline cellulose): 1 tablet (120 mg each)
Tabriz University of Medical Sciences, Tabriz
Tabriz University of Medical Sciences
OTHER