Double-blind, Placebo-controlled Study in Adults With Major Depressive Disorder
← catalyst calendarNCT07226661 · readout in 134 d
Sponsored by Supernus Pharmaceuticals, Inc. (industry) · SUPN — their whole pipeline →.
Phase
Phase 2
Status
Recruiting
Study type
Interventional
Design
Randomized · Triple · Treatment
Enrollment
230estimated
Sites
1
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2026-01-19 | actual | When the study began enrolling |
| Primary completion | 2026-12-31 | estimated | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2027-01-31 | estimated | The whole study's end, after follow-up |
| First posted | 2025-11-10 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-03-24 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Major Depressive Disorder (MDD)
Interventions
- Drug: SPN-821 2400 mg
- Drug: Placebo
Primary outcome
what the primary-completion date above is the date OFChange From Baseline to Day 29 in the Montgomery-Åsberg Depression Rating Scale (MADRS) Total Score.
measured 4 weeks
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