A Study to Evaluate the Safety and Effectiveness of ALKS 2680 in Subjects With Narcolepsy Type 1 (ALKS 2680-201)

NCT ID: NCT06358950

Last Updated: 2025-10-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

92 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-28

Study Completion Date

2025-07-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this research study is to assess the safety and efficacy of ALKS 2680 compared to placebo, including whether participants taking ALKS 2680 experience a greater decrease in sleepiness and a decrease in cataplexy ("sudden loss of muscle control"), compared to participants taking placebo alone.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Narcolepsy Type 1

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

4 mg ALKS 2680

Group Type EXPERIMENTAL

ALKS 2680

Intervention Type DRUG

Oral tablet of ALKS 2680 for once daily administration

6 mg ALKS 2680

Group Type EXPERIMENTAL

ALKS 2680

Intervention Type DRUG

Oral tablet of ALKS 2680 for once daily administration

8 mg ALKS 2680

Group Type EXPERIMENTAL

ALKS 2680

Intervention Type DRUG

Oral tablet of ALKS 2680 for once daily administration

Placebo

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Oral tablet containing matching placebo for once daily administration

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

ALKS 2680

Oral tablet of ALKS 2680 for once daily administration

Intervention Type DRUG

Placebo

Oral tablet containing matching placebo for once daily administration

Intervention Type DRUG

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* 18-70 years of age
* Has a BMI ≥18 and ≤40 kg/m2
* Meets the diagnostic criteria of Narcolepsy type 1 according to ICSD-3-TR guidelines. Additionally, meets the following criteria:

* Is HLA-DQB1\*06:02-positive
* Has residual excessive daytime sleepiness and cataplexy
* Is willing and able to discontinue any medications prescribed for the management of narcolepsy symptoms for at least 14 days and for the duration of study
* Is willing to adhere to additional protocol requirements

Exclusion Criteria

* Significant comorbid medical conditions, including other sleep, cardiovascular, psychiatric, hepatic or other disorders may be exclusionary; eligibility will be determined on an individual basis by the study investigator
* Is currently pregnant, breastfeeding, or planning to become pregnant during the study
* Is currently enrolled in another clinical study (other than the parent study) or used any investigational drug or device within 30 days prior to Screening
Minimum Eligible Age

18 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

Alkermes, Inc.

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Study Medical Director, MD

Role: STUDY_DIRECTOR

Alkermes, Inc.

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Alkermes Investigational Site

Los Angeles, California, United States

Site Status

Alkermes Investigational Site

Redwood City, California, United States

Site Status

Alkermes Investigator Site

San Francisco, California, United States

Site Status

Alkermes Investigational Site

Santa Ana, California, United States

Site Status

Alkermes Investigational Site

Aurora, Colorado, United States

Site Status

Alkermes Investigational Site

Colorado Springs, Colorado, United States

Site Status

Alkermes Investigational Site

Brandon, Florida, United States

Site Status

Alkermes Investigator Site

Brandon, Florida, United States

Site Status

Alkermes Investigational Site

Miami, Florida, United States

Site Status

Alkermes Investigator Site

Winter Park, Florida, United States

Site Status

Alkermes Investigational Site

Atlanta, Georgia, United States

Site Status

Alkermes Investigational Site

Macon, Georgia, United States

Site Status

Alkermes Investigational Site

Stockbridge, Georgia, United States

Site Status

Alkermes Investigator Site

Peoria, Illinois, United States

Site Status

Alkermes Investigator Site

Lansing, Michigan, United States

Site Status

Alkermes Investigator Site

Sterling Heights, Michigan, United States

Site Status

Alkermes Investigator Site

Lincoln, Nebraska, United States

Site Status

Alkermes Investigational Site

Middletown, New Jersey, United States

Site Status

Alkermes Investigational Site

Denver, North Carolina, United States

Site Status

Alkermes Investigational Site

Huntersville, North Carolina, United States

Site Status

Alkermes Investigator Site

Canton, Ohio, United States

Site Status

Alkermes Investigational Site

Cincinnati, Ohio, United States

Site Status

Alkermes Investigational Site

Cincinnati, Ohio, United States

Site Status

Alkermes Investigational Site

Dublin, Ohio, United States

Site Status

Alkermes Investigational Site

Wyomissing, Pennsylvania, United States

Site Status

Alkermes Investigational Site

Columbia, South Carolina, United States

Site Status

Alkermes Investigational Site

Austin, Texas, United States

Site Status

Alkermes Investigational Site

San Antonio, Texas, United States

Site Status

Alkermes Investigational Site

The Woodlands, Texas, United States

Site Status

Alkermes Investigator Site

Macquarie Park, New South Wales, Australia

Site Status

Alkermes Investigator Site

Bedford Park, South Australia, Australia

Site Status

Alkermes Investigational Site

Alken, , Belgium

Site Status

Alkermes Investigational Site

Bruges, , Belgium

Site Status

Alkermes Investigational Site

Namur, , Belgium

Site Status

Alkermes Investigational Site

Prague, , Czechia

Site Status

Alkermes Investigational Site

Bordeaux, , France

Site Status

Alkermes Investigational Site

Montpellier, , France

Site Status

Alkermes Investigational Site

Bologna, , Italy

Site Status

Alkermes Investigational Site

Milan, , Italy

Site Status

Alkermes Investigational Site

Verona, , Italy

Site Status

Alkermes Investigational Site

Heemstede, , Netherlands

Site Status

Alkermes Investigational Site

Zwolle, , Netherlands

Site Status

Alkermes Investigational Site

Barcelona, , Spain

Site Status

Alkermes Investigational Site

Madrid, , Spain

Site Status

Alkermes Investigational Site

Madrid, , Spain

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States Australia Belgium Czechia France Italy Netherlands Spain

Related Links

Access external resources that provide additional context or updates about the study.

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

ALKS 2860-201

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Phase 1 ALKS 1140 in Healthy Adults
NCT05019105 TERMINATED PHASE1
Phase 3 Study of Dexpramipexole in ALS
NCT01281189 COMPLETED PHASE3