730
Participants
Start Date
July 31, 2007
Primary Completion Date
May 31, 2011
Study Completion Date
May 31, 2011
Folic Acid
Folic acid 5 mg once a day for three months as a supplement to their antidepressant treatment
Placebo
Matching placebo taken once a day for three months
North West Wales Trust, Bangor
Swansea University, Swansea
Cardiff University, Wrexham
NHS Health Technology Assessment Programme
OTHER
Swansea University
OTHER
Cardiff University
OTHER
University of Liverpool
OTHER
North West Wales NHS Trust
OTHER
North East Wales NHS Trust
OTHER
Swansea NHS Trust
OTHER_GOV
Bangor University
OTHER