Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)
This is a multicenter, double-blind, randomized study to evaluate the efficacy and safety of a daily single oral dose of tasimelteon and matching placebo in male and female participants with DSWPD.
Ability and acceptance to provide written informed consent. [+3]
Exacerbation of an existing psychiatric condition that requires change in treatm... [+4]