NCT04652882 Phase 3 Active not recruiting
Evaluating the Effects of Tasimelteon vs. Placebo in Delayed Sleep-Wake Phase Disorder (DSWPD) Study sponsor: Vanda Pharmaceuticals
Compare the available registry edits below. Primary completion is the date data collection ends for the main study measures; it does not tell you when results will be published.
Changes Study details Primary completion 2026-09 Estimated
Enrollment · participants 70 Estimated
Source updated 2026-07-27 Last update listed in the registry record
Version history
Changes to this trial Last 12 months Posted 2026-07-27 · 2 fields changed
Primary completion date Recorded edit
Recruitment status Recorded edit − Previous value Recruiting
+ Updated value Active not recruiting
Check registry source Posted 2025-12-02 · 1 field changed
Primary completion date Recorded edit Check registry source This database covers selected trials and recorded edits. Some past edits may be missing, and saved text about the main study measures (endpoints) may be shortened. Check the original registry record when a detail matters. Read our methodology