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A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Idiopathic Hypersomnia

A Phase 2, Randomized, Parallel-Group, Double-Blind, Dose-Range-Finding Study to Evaluate the Safety and Efficacy of ALKS 2680 in Subjects With Idiopathic Hypersomnia (Vibrance-3)

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT06843590
Acronym
Vibrance-3
Enrollment
126
Registered
2025-02-25
Start date
2025-05-22
Completion date
2026-11-01
Last updated
2026-06-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Idiopathic Hypersomnia

Keywords

Idiopathic Hypersomnia, IH, sleep, sleep disorder, orexin-2 receptor agonist, excessive daytime sleepiness

Brief summary

The purpose of this study is to measure the safety and decrease in daytime sleepiness in subjects with Idiopathic Hypersomnia when taking ALKS 2680 tablets compared with placebo tablets

Interventions

Oral tablet containing ALKS 2680 for daily, oral administration

DRUGPlacebo

Oral placebo tablet for daily administration

Sponsors

Alkermes, Inc.
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
DOUBLE (Subject, Investigator)

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

* Is willing and able, in the opinion of the Investigator, to understand and comply with protocol requirements, including: lifestyle considerations and restrictions, adherence to contraception guidance, adherence to actigraphy and diary requirements, if receiving treatment for OSA, adherence to primary OSA therapy over the 30 days prior to Visit 1, and throughout the study, including during overnight visits. * Meets the diagnostic criteria of Idiopathic Hypersomnia according to ICSD-3-TR guidelines, confirmed by the diagnostic evaluations (PSG/MSLT/actigraphy) within the previous 10 years

Exclusion criteria

* Has another comorbid sleep disorder or condition that may influence the sleep-wake cycle * Has a history or presence at Visit 1 of other clinically significant (treated or untreated) illness, disease, abnormality, or surgical procedure that, in the opinion of the Investigator, might compromise subject safety, interfere with any study assessment, or affect the subject's ability to complete the study * Is currently enrolled in another clinical study or used any investigational drug or device within 30 days prior to Visit 1 * Is currently pregnant, breastfeeding, or is planning to become pregnant during the study

Design outcomes

Primary

MeasureTime frame
Change in Epworth Sleepiness Scale (ESS) from baseline to Week 8 by dose levelUp to 8 weeks

Secondary

MeasureTime frame
Change in Idiopathic Hypersomnia Severity Scale (IHSS) from baseline to Week 8 by dose levelUp to 8 weeks
Incidence of treatment emergent adverse eventsUp to 10 weeks

Countries

Australia, Belgium, Czechia, France, Italy, Netherlands, Spain, United States

Contacts

CONTACTDirector, Global Clinical Services
clinicaltrials@alkermes.com888-235-8008 (US Only)
STUDY_DIRECTORMedical Director

Alkermes, Inc.

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 25, 2026