A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 2
Public ClinicalTrials.gov record NCT06555783. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2, Parallel-Group, Dose-Range-Finding Study With Randomized Double-Blind Treatment and Open-Label Periods to Evaluate the Safety and Efficacy of ALKS 2680 in Subjects With Narcolepsy Type 2
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to measure the safety and decrease in sleepiness in subjects with narcolepsy type 2 (NT2) when taking ALKS 2680 tablets compared to placebo tablets.
Study identification
- NCT ID
- NCT06555783
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 93 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 70 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 26, 2024 (Actual)
- Primary completion
- Nov 11, 2025 (Actual)
- Completion
- Nov 21, 2025 (Actual)
- Last update posted
- Feb 27, 2026
2024 – 2025
United States locations
- U.S. sites
- 33
- U.S. states
- 16
- U.S. cities
- 32
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Alkermes Investigator Site | Little Rock | Arkansas | 72211 | — |
| Alkermes Investigator Site | Los Angeles | California | 90025 | — |
| Alkermes Investigator Site | Redwood City | California | 94063 | — |
| Alkermes Investigator Site | San Francisco | California | 94143 | — |
| Alkermes Investigator Site | Santa Ana | California | 92705 | — |
| Alkermes Investigational Site | Aurora | Colorado | 80045 | — |
| Alkermes Investigator Site | Colorado Springs | Colorado | 80918 | — |
| Alkermes Investigator Site | Brandon | Florida | 33511 | — |
| Alkermes Investigator Site | Miami | Florida | 33176 | — |
| Alkermes Investigator Site | Winter Park | Florida | 32789 | — |
| Alkermes Investigator Site | Atlanta | Georgia | 30328 | — |
| Alkermes Investigational Site | Macon | Georgia | 31210 | — |
| Alkermes Investigator Site | Stockbridge | Georgia | 30281 | — |
| Alkermes Investigational Site | Peoria | Illinois | 61637 | — |
| Alkermes Investigator Site | Lansing | Michigan | 48911 | — |
| Alkermes Investigator Site | Sterling Heights | Michigan | 48314 | — |
| Alkermes Investigator Site | Lincoln | Nebraska | 68506 | — |
| Alkermes Investigator Site | Middletown | New Jersey | 07748 | — |
| Alkermes Investigator Site | Denver | North Carolina | 28037 | — |
| Alkermes Investigator Site | Huntersville | North Carolina | 28078 | — |
| Alkermes Investigator Site | Canton | Ohio | 44718 | — |
| Alkermes Investigator Site | Cincinnati | Ohio | 45212 | — |
| Alkermes Investigator Site | Cincinnati | Ohio | 45245 | — |
| Alkermes Investigational Site | Cleveland | Ohio | 44195 | — |
| Alkermes Investigator Site | Abington | Pennsylvania | 19001 | — |
| Alkermes Investigational Site | Philadelphia | Pennsylvania | 19107 | — |
| Alkermes Investigator Site | Wyomissing | Pennsylvania | 19610 | — |
| Alkermes Investigator Site | Columbia | South Carolina | 29201 | — |
| Alkermes Investigator Site | Cordova | Tennessee | 38108 | — |
| Alkermes Investigator Site | Austin | Texas | 78731 | — |
| Alkermes Investigator Site | San Antonio | Texas | 78229 | — |
| Alkermes Investigational Site | Sugar Land | Texas | 77478 | — |
| Alkermes Investigational Site | Madison | Wisconsin | 53792 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 14 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT06555783, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 27, 2026 · Synced Oct 23, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT06555783 live on ClinicalTrials.gov.