7
Participants
Start Date
August 31, 2011
Primary Completion Date
June 30, 2014
Study Completion Date
December 31, 2015
Dextromethorphan hydrobromide
Participants instructed to take 60 mg dextromethorphan capsules orally two times a day for 24 months.
National Institutes of Health Clinical Center, 9000 Rockville Pike, Bethesda
The Emmes Company, LLC
INDUSTRY
National Eye Institute (NEI)
NIH