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Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD)
Sponsor: Vanda Pharmaceuticals
Summary
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.
Official title: A Multicenter, Double-blind, Randomized Study to Evaluate the Effects of Tasimelteon vs. Placebo in Participants With Delayed Sleep-Wake Phase Disorder (DSWPD)
Key Details
Gender
All
Age Range
18 Years - 75 Years
Study Type
INTERVENTIONAL
Enrollment
70
Start Date
2020-12-09
Completion Date
2026-06
Last Updated
2025-12-02
Healthy Volunteers
No
Interventions
Tasimelteon
oral capsule
Placebo
oral capsule
Locations (17)
Vanda Investigational Site
Los Angeles, California, United States
Vanda Investigational Site
Redwood City, California, United States
Vanda Investigational Site
Aurora, Colorado, United States
Vanda Investigational Site
Boston, Massachusetts, United States
Vanda Investigational Site
St Louis, Missouri, United States
Vanda Investigational Site
New Hyde Park, New York, United States
Vanda Investigational Site
Cincinnati, Ohio, United States
Vanda Investigational Site
Cleveland, Ohio, United States
Vanda Investigational Site
Columbia, South Carolina, United States
Vanda Investigational Site
San Antonio, Texas, United States
Vanda Investigational Site
Sherman, Texas, United States
Vanda Investigational Site
Innsbruck, Austria
Vanda Investigational Site
Vienna, Austria
Vanda Investigational Site
Berlin, Germany
Vanda Investigational Site
Hamburg, Germany
Vanda Investigational Site
Marburg, Germany
Vanda Investigational Site
Schwerin, Germany