Clinical trial Recruiting at 40 sites Phase 3 Interventional Ages 18 to 65

Solriamfetol for major depression with excessive daytime sleepiness

Official title: A Multicenter, Double-blind, Placebo-controlled, Randomized Withdrawal Study of Solriamfetol in Subjects With Major Depressive Disorder With Excessive Daytime Sleepiness Symptoms

Run by Axsome Therapeutics, Inc. · NCT07484217 · Data updated 2026-11-12

This trial will try solriamfetol (Sunosi) to reduce excessive daytime sleepiness in adults with major depressive disorder.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 65 Years
SexAll
Enrollment508 (estimated)
SponsorAxsome Therapeutics, Inc.
Industry-sponsored
Locations40 sites (Tucson, Arizona and 39 other locations)
StatusRecruiting
StartedFebruary 23, 2026
Main results expectedDecember 2028
Study endsDecember 2028
Registry record updatedOctober 13, 2026
Trial IDNCT07484217 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Adults aged 18 to 65 with DSM-5 major depressive disorder without psychotic features who report excessive daytime sleepiness, can comply with study visits, and do not have other significant medical or sleep disorders are the intended participants.

Probably not a fit

People with other clinically significant medical, behavioral, or sleep disorders such as obstructive sleep apnea or narcolepsy, or those with psychotic features, are excluded and unlikely to benefit from this specific approach.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This Phase 3, double-blind, placebo-controlled, multicenter randomized withdrawal trial uses an open-label solriamfetol lead-in followed by a randomized withdrawal period. Eligible adults with MDD and excessive daytime sleepiness receive open-label solriamfetol (150 mg) and those who achieve a clinical response are randomized 1:1 to continue solriamfetol or switch to placebo. Participants are monitored during the double-blind period for relapse of depressive symptoms and for durability of wakefulness and safety effects. The protocol includes screening and follow-up periods and is conducted at clinical research sites in California.

Why it matters

Potential benefit: If successful, solriamfetol could lessen daytime sleepiness and help maintain improvement in people with MDD who experience EDS.

How similar studies have gone: Solriamfetol is approved for treating excessive daytime sleepiness in narcolepsy and obstructive sleep apnea, but using it specifically for EDS linked to major depressive disorder is relatively novel with limited randomized evidence to date.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Currently meets the DSM-5 criteria for MDD without psychotic features, based on the SCID-5-CT
* Excessive daytime sleepiness symptoms
* Able to comply with study procedures
* Male or female, aged 18 to 65 years inclusive

Exclusion Criteria:

* Any clinically significant medical (e.g., OSA, narcolepsy), behavioral, or psychiatric disorder, other than MDD with EDS symptoms
* Unable to comply with study procedures
* Medically inappropriate for study participation in the opinion of the investigator

Where it's running

  • Clinical Research Site
    Tucson, Arizona, United States
    Recruiting
  • Clinical Research Site
    Bellflower, California, United States
    Recruiting
  • Clinical Research Site
    Chino, California, United States
    Recruiting
  • Clinical Research Site
    Glendale, California, United States
    Recruiting
  • Clinical Research Site
    Imperial, California, United States
    Recruiting
  • Clinical Research Site
    Los Angeles, California, United States
    Recruiting
Show 34 more locations
  • Clinical Research Site
    Oceanside, California, United States
    Recruiting
  • Clinical Research Site
    Redlands, California, United States
    Recruiting
  • Clinical Research Site
    San Diego, California, United States
    Recruiting
  • Clinical Research Site
    Sherman Oaks, California, United States
    Recruiting
  • Clinical Research Site
    Walnut Creek, California, United States
    Recruiting
  • Clinical Research Site
    Jacksonville, Florida, United States
    Recruiting
  • Clinical Research Site
    Miami, Florida, United States
    Recruiting
  • Clinical Research Site
    Miami, Florida, United States
    Recruiting
  • Clinical Research Site
    Atlanta, Georgia, United States
    Recruiting
  • Clinical Research Site
    Norcross, Georgia, United States
    Recruiting
  • Clinical Research Site
    Snellville, Georgia, United States
    Recruiting
  • Clinical Research Site
    Chicago, Illinois, United States
    Recruiting
  • Clinical Research Site
    Pikesville, Maryland, United States
    Recruiting
  • Clinical Research Site
    Springfield, Massachusetts, United States
    Recruiting
  • Clinical Research Site
    Las Vegas, Nevada, United States
    Recruiting
  • Clinical Research Site
    Las Vegas, Nevada, United States
    Recruiting
  • Clinical Research Site
    Cherry Hill, New Jersey, United States
    Recruiting
  • Clinical Research Site
    Toms River, New Jersey, United States
    Recruiting
  • Clinical Research Site
    Brooklyn, New York, United States
    Recruiting
  • Clinical Research Site
    New York, New York, United States
    Recruiting
  • Clinical Research Site
    New York, New York, United States
    Recruiting
  • Clinical Research Site
    Staten Island, New York, United States
    Recruiting
  • Clinical Research Site
    The Bronx, New York, United States
    Recruiting
  • Clinical Research Site
    Cincinnati, Ohio, United States
    Recruiting
  • Clinical Research Site
    Cincinnati, Ohio, United States
    Recruiting
  • Clinical Research Site
    Edmond, Oklahoma, United States
    Recruiting
  • Clinical Research Site
    Oklahoma City, Oklahoma, United States
    Recruiting
  • Clinical Research Site
    Portland, Oregon, United States
    Recruiting
  • Clinical Research Site
    Memphis, Tennessee, United States
    Recruiting
  • Clinical Research Site
    Austin, Texas, United States
    Recruiting
  • Clinical Research Site
    Bellaire, Texas, United States
    Recruiting
  • Clinical Research Site
    Dallas, Texas, United States
    Recruiting
  • Clinical Research Site
    Houston, Texas, United States
    Recruiting
  • Clinical Research Site
    San Antonio, Texas, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.