27
Participants
Start Date
October 31, 2004
Primary Completion Date
May 31, 2008
Study Completion Date
May 31, 2008
Melatonin 0.4 mg
Melatonin 4.0 mg
Placebo
University of Pennsylvania, Philadelphia
National Center for Complementary and Integrative Health (NCCIH)
NIH
Nalaka Gooneratne
OTHER