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Recruiting Phase 3 NCT07540897

NCT07540897 A Study to Evaluate the Efficacy, Safety and Tolerability of ALKS 2680 in Adults With Narcolepsy Type 1 (Brilliance NT1 - 304)

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Clinical Trial Summary
NCT ID NCT07540897
Status Recruiting
Phase Phase 3
Sponsor Alkermes, Inc.
Condition Narcolepsy Type 1
Study Type INTERVENTIONAL
Enrollment 150 participants
Start Date 2026-06
Primary Completion 2027-06

Eligibility & Interventions

Sex All sexes
Min Age 18 Years
Max Age 70 Years
Study Type INTERVENTIONAL
Interventions
ALKS 2680 Dose 1ALKS 2680 Dose 2Placebo

Eligibility Fast-Check

Enter your details for a quick preliminary check. This does not replace medical advice.

What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

Phase 3 trials are large pivotal studies comparing the treatment to current standard of care or placebo. Your participation directly contributes to the evidence needed for regulatory approval.

This trial targets 150 participants in total. It began in 2026-06 with a primary completion date of 2027-06.

⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.

Brief Summary

The purpose of this study is to measure decreases in daytime sleepiness, cataplexy (sudden loss of muscle tone), and disease symptoms in participants with NT1 when taking ALKS 2680 tablets compared with placebo tablets.

Eligibility Criteria

Inclusion Criteria: * Meets the diagnostic criteria of NT1 according to ICSD-3-TR guidelines, confirmed by diagnostic evaluations (either PSG/MSLT\* or CSF hypocretin-1 level) 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 participant safety, interfere with any study assessment, or affect the participant's ability to complete the study. * Is currently enrolled in another interventional clinical trial or has received any investigational drug or used any interventional investigational device within 30 days prior to Visit 1. Participants previously enrolled in Study ALKS 2680-201 are not eligible for enrollment. * Is currently pregnant, breastfeeding, or is planning to become pregnant during the study.

Contact & Investigator

Central Contact

Director, Clinical Trial Manager

✉ clinicaltrials@alkermes.com

📞 888-235-8008 (US Only)

Principal Investigator

Medical Director, MD

STUDY DIRECTOR

Alkermes, Inc.

Frequently Asked Questions

Who can join the NCT07540897 clinical trial?

This trial is open to participants of all sexes, aged 18 Years or older, up to 70 Years, studying Narcolepsy Type 1. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.

What phase is the NCT07540897 trial and what does that mean for participants?

Phase 3 trials are large-scale studies comparing the new treatment to existing standards of care or a placebo. They provide the evidence needed for regulatory approval. This trial targets 150 participants.

Is NCT07540897 currently recruiting?

Yes, NCT07540897 is actively recruiting participants. Contact the research team at clinicaltrials@alkermes.com for enrollment information.

Where is the NCT07540897 trial being conducted?

This trial is being conducted at Miami, United States, Winter Park, United States, Atlanta, United States, Macon, United States and 6 additional locations.

Who is sponsoring the NCT07540897 clinical trial?

NCT07540897 is sponsored by Alkermes, Inc.. The principal investigator is Medical Director, MD at Alkermes, Inc.. The trial plans to enroll 150 participants.

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ClinicalMetric — Independent clinical trial intelligence platform. Not affiliated with NIH, ClinicalTrials.gov, the U.S. FDA, or any pharmaceutical company, hospital, or clinical research organization. Trial data is sourced from ClinicalTrials.gov for informational purposes only and does not constitute medical advice. Do not make any treatment, enrollment, or health decisions based solely on information found here — always consult a qualified healthcare professional. Full Disclaimer  ·  Last Reviewed: July 2026  ·  Data Methodology