A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 1 (ALKS 2680-201)
← catalyst calendarSponsored by Alkermes, Inc. (industry) · ALKS — their whole pipeline →.
Phase
Phase 2
Status
Completed
Study type
Interventional
Design
Randomized · Quadruple · Treatment
Enrollment
92actual
Sites
45
Countries
Australia, Belgium, Czechia +5
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 | 2024-03-24 | actual | When the study began enrolling |
| Primary completion | 2025-06-19 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2025-07-31 | actual | The whole study's end, after follow-up |
| First posted | 2024-04-11 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-06-10 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Narcolepsy Type 1
Interventions
- Drug: ALKS 2680
- Drug: Placebo
Primary outcome
what the primary-completion date above is the date OFChange in Mean Sleep Latency (MSL) on the Maintenance of Wakefulness Test (MWT) from baseline to Week 6
measured Baseline to Week 6
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