Evaluating Solriamfetol for Excessive Sleepiness in Shift Workers
Official title: A Multi-center, Randomized, Double-blind, Placebo-controlled Trial to Assess the Efficacy and Safety of Solriamfetol in Excessive Sleepiness Associated With Shift Work Disorder
Run by Axsome Therapeutics, Inc. · NCT06568367 · Data updated 2026-11-12
This study is testing if a new medication called solriamfetol can help adults with excessive sleepiness from shift work feel more awake and alert.
Quick facts
| Phase | Phase 3 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 65 Years |
| Sex | All |
| Enrollment | 520 (estimated) |
| Sponsor | Axsome Therapeutics, Inc. Industry-sponsored |
| Locations | 49 sites (Auburn, Alabama and 48 other locations) |
| Status | Recruiting |
| Started | August 1, 2024 |
| Main results expected | December 2026 |
| Study ends | December 2026 |
| Registry record updated | July 24, 2026 |
| Trial ID | NCT06568367 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates for this study are adults aged 18 to 65 who meet the criteria for shift work disorder as defined by the International Classification of Sleep Disorders.
✕Probably not a fit
Patients who have previously been treated with solriamfetol or those deemed medically inappropriate for participation will not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
The SUSTAIN trial is a Phase 3, multi-center, randomized, double-blind, placebo-controlled trial designed to evaluate the efficacy and safety of solriamfetol in adults experiencing excessive sleepiness due to shift work disorder (SWD). Participants will be randomly assigned to receive either solriamfetol at doses of 150 mg or 300 mg, or a placebo, administered once per night shift over a 12-week period. The study aims to determine how well solriamfetol modulates neurotransmitters associated with wakefulness and alertness in this population.
Why it matters
Potential benefit: If successful, this treatment could significantly improve alertness and quality of life for individuals suffering from excessive sleepiness related to shift work disorder.
How similar studies have gone: Previous studies have shown promise in using solriamfetol for sleep-related disorders, suggesting a potential for success in this novel application.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Meets International Classification of Sleep Disorders, Third Edition (ICSD-3) criteria for Shift Work Disorder (SWD) * Provides written informed consent to participate in the study before the conduct of any study procedures. * Male or female, aged 18 to 65 inclusive. Exclusion Criteria: * Prior exposure to solriamfetol/Sunosi, through either a clinical study or prescription. * Unable to comply with study procedures. * Medically inappropriate for study participation in the opinion of the investigator.
Where it's running
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Auburn, Alabama, United States Recruiting -
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Cullman, Alabama, United States Recruiting -
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Chandler, Arizona, United States Recruiting -
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Little Rock, Arkansas, United States Recruiting -
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Anaheim, California, United States Recruiting -
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Cerritos, California, United States Recruiting
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Huntington Beach, California, United States Recruiting -
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Long Beach, California, United States Recruiting -
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Santa Ana, California, United States Recruiting -
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Colorado Springs, Colorado, United States Recruiting -
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Brandon, Florida, United States Recruiting -
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Hialeah, Florida, United States Recruiting -
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Miami, Florida, United States Recruiting -
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Miami Lakes, Florida, United States Recruiting -
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Atlanta, Georgia, United States Recruiting -
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Stockbridge, Georgia, United States Recruiting -
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Chicago, Illinois, United States Recruiting -
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Kenner, Louisiana, United States Recruiting -
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Towson, Maryland, United States Recruiting -
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Lansing, Michigan, United States Recruiting -
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Novi, Michigan, United States Recruiting -
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Southfield, Michigan, United States Recruiting -
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Chesterfield, Missouri, United States Recruiting -
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St Louis, Missouri, United States Recruiting -
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Denver, North Carolina, United States Recruiting -
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Cincinnati, Ohio, United States Recruiting -
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Wyomissing, Pennsylvania, United States Recruiting -
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Sugar Land, Texas, United States Recruiting -
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Spokane, Washington, United States Recruiting -
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Calgary, Alberta, Canada Recruiting -
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Markham, Ontario, Canada Recruiting -
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Ottawa, Ontario, Canada Recruiting -
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Toronto, Ontario, Canada Recruiting -
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Tucson, Arizona, United States Withdrawn -
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Chula Vista, California, United States Terminated -
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Miami, Florida, United States Withdrawn
Study contacts
- Study coordinator: Study Director
- Email: sol-swd-301@axsome.com
- Phone: 212-332-5061
Similar studies
Other studies for the same condition or treatment. Recruiting studies are listed first.
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Impact of Night Shifts on Glucose and Lipid Metabolism in Hospital Workers
This study tests whether night shift work is linked to changes in blood sugar, fats, and overall metabolic health in hospital staff.
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Exploring the effects of sleep loss on aging and cognitive decline
This study is testing how not getting enough sleep affects thinking and aging in healthy people and those with memory problems or Alzheimer's disease.
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Impact of Night Shift Work on Obesity Risk in Workers
This study is trying to see if working night shifts makes hospital and industry workers more likely to become obese compared to those who work during the day.
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Investigating how sleep reactivity affects shift work disorder
This study is testing if how sensitive your sleep is can cause Shift Work Disorder and if treating sleep issues with therapy can help people who still have problems after adjusting their sleep schedule.
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Exploring dietary impacts on night shift EMS providers' health
This study is testing how different diets can affect blood sugar levels in EMS workers who work night shifts to see if changing what they eat can help their health.
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Effects of whey protein on health in night shift workers
This study tests if taking a whey protein supplement can help night shift workers improve their metabolic health compared to a placebo drink.
How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.