Testing Solriamfetol against a placebo for excessive sleepiness
Official title: Studying Solriamfetol Modulation of TAAR-1, Dopamine, and Norepinephrine in Shift Work Disorder (SUSTAIN)
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
- Phase 3
- 3 groups
- Sites in Calgary, Markham and 2 more cities
- Recruiting
Interventions
- Medication
Solriamfetol 150 mg
Solriamfetol tablets, taken once daily
- Medication
Solriamfetol 300 mg
Solriamfetol tablets, taken once daily
- Medication
Placebo
Placebo tablets, taken once daily
Canadian Sites (5)
5 of 5 recruiting
- Recruiting
Clinical Research Site
Calgary, Alberta
- Recruiting
Clinical Research Site
Markham, Ontario
- Recruiting
Clinical Research Site
Ottawa, Ontario
- Recruiting
Clinical Research Site
Toronto, Ontario
- Recruiting
Clinical Research Site
Toronto, Ontario
Eligibility Criteria
See who this study is looking for6 criteria
The trial’s own eligibility text, word for word from the registry. Only the trial site can say who takes part.
Inclusion
- +Male or female, aged 18 to 65 inclusive.
- +Meets International Classification of Sleep Disorders, Third Edition (ICSD-3) criteria for Shift Work Disorder (SWD)
- +Provides written informed consentInformed consentThe process of being told what taking part involves, then choosing freely.Read more → to participate in the study before the conduct of any study procedures.
Exclusion
- −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 investigatorPrincipal investigatorThe doctor or researcher responsible for running the study at a site.Read more →.
In plain language
Assembled directly from this trial’s registry record. Every sentence traces to a field below — nothing here is generated or interpreted.
What this study is
This study is testing a treatment for a condition.
Phase 3Phase 3A large study comparing a treatment against the current standard.Read more → — a large study comparing this against the current standard, usually across many hospitals.
From the trial registry
Built from these fields:
- designModule.designInfo.primaryPurpose
- designModule.phases
Who receives what
There are 3 groups in this study.
Group A receives Solriamfetol 150 mg.
Registry label: A: Solriamfetol 150mg
Group B receives Solriamfetol 300 mg.
Registry label: B: Solriamfetol 300mg
Group C, the placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group, receives Placebo.
Registry label: C: Placebo
From the trial registry
Built from these fields:
- armsInterventionsModule.armGroups[].label
- armsInterventionsModule.armGroups[].type
- armsInterventionsModule.armGroups[].interventionNames
How the study is run
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
Neither you nor the study team would know which group you are in until the study ends.
From the trial registry
Built from these fields:
- designModule.designInfo.allocation
- designModule.designInfo.maskingInfo.masking
Is there a placebo?
One group receives a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → — a dummy treatment with no active medicine in it.
From the trial registry
Built from these fields:
- armsInterventionsModule.armGroups[].type
- armsInterventionsModule.armGroups[].interventionNames
Who the study is looking for
The study lists an age range of 18 years to 65 years.
The study is open to people of any sex.
The study does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
These are the criteria the study lists. Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part.
From the trial registry
Built from these fields:
- eligibilityModule.minimumAge
- eligibilityModule.maximumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How big and how long
The study aims to enrol about 520 people.
The study is currently expected to finish around December 2026.
The main measurement is taken over: 12 weeks.
From the trial registry
Built from these fields:
- designModule.enrollmentInfo.count
- statusModule.completionDateStruct.date
- outcomesModule.primaryOutcomes[].timeFrame
What the study measures
Change from BaselineBaselineYour starting measurements, taken before treatment begins.Read more → to Week 12 in the mean sleep latency time as measured by the Maintenance of Wakefulness Test (MWT) — measured over 12 weeks.
Change from Baseline to Week 12 in the Clinical Global Impressions of Severity of Illness (CGI-S) for sleepiness during the night shift — measured over 12 weeks.
From the trial registry
Built from these fields:
- outcomesModule.primaryOutcomes[].measure
- outcomesModule.primaryOutcomes[].timeFrame
Source: NCT06568367 on ClinicalTrials.gov. The full registry text is further down this page — this summary never replaces it.
Not medical advice. What do these terms mean?
What is being tested — in plain terms
About Solriamfetol 150 mgDrug
Solriamfetol tablets, taken once daily
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
About Solriamfetol 300 mgDrug
Solriamfetol tablets, taken once daily
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
About PlaceboDrug
Placebo tablets, taken once daily
From the trial registry — its own words, unedited.
What a drug is here: A medicine — a chemical or small-molecule treatment — given as the thing being studied.
Read the full explanation → · in clinical review
Common questions
Answered from this trial’s registry record. Where the record doesn’t say, these answers say so rather than filling the gap.
Am I eligible for this trial?
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can decide whether someone can take part. Concord cannot make that determination, and neither can any tool that has not examined you.
What the study lists: an age range of 18 years to 65 years.
The full inclusionInclusion criteriaThe things you must have or be for a study to consider you.Read more → and exclusion criteriaExclusion criteriaThe things that would prevent someone from taking part.Read more → are published on this page, exactly as the study team wrote them.
The useful next step is to bring this trial to your doctor. Answering a few questions first gives them something concrete to review.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.maximumAge
- eligibilityModule.eligibilityCriteria
Is there a placebo?
Yes. This study includes a placeboPlaceboA dummy treatment with no active medicine, used for comparison.Read more → group — a dummy treatment with no active medicine in it.
From the trial registry
- armsInterventionsModule.armGroups[].type
Would I know which treatment I am getting?
Neither you nor the study team would know which group you are in until the study ends.
Which group you would be placed in is decided by chance, like a coin flip — not by you and not by your doctor.
From the trial registry
- designModule.designInfo.maskingInfo.masking
- designModule.designInfo.allocation
Who can join?
The study lists an age range of 18 years to 65 years.
It is open to people of any sex.
It does not accept healthy volunteersHealthy volunteerSomeone without the condition being studied who takes part anyway.Read more →.
Only the trial siteTrial siteA hospital or clinic where a study is actually run.Read more → can confirm whether a particular person can take part.
From the trial registry
- eligibilityModule.minimumAge
- eligibilityModule.maximumAge
- eligibilityModule.sex
- eligibilityModule.healthyVolunteers
How long would this take?
The study's main measurement is taken over: 12 weeks.
The study as a whole is currently expected to finish around 2026-12.
How long any one person takes part can differ from the study length. The study team can tell you what the schedule looks like in practice.
From the trial registry
- outcomesModule.primaryOutcomes[].timeFrame
- statusModule.completionDateStruct.date
How many people are taking part?
The study aims to enrol about 520 people.
From the trial registry
- designModule.enrollmentInfo.count
Where is this happening?
This study lists 8 locations, including: Calgary, Alberta, Canada; Markham, Ontario, Canada; Ottawa, Ontario, Canada; Toronto, Ontario, Canada; Lansing, Michigan, United States; Novi, Michigan, United States, and 2 more.
Sites can open and close during a study, so confirm with the team before travelling.
From the trial registry
- trial_locations
About This Trial
SUSTAIN (Studying Solriamfetol Modulation of TAAR-1, Dopamine, and Norepinephrine in Shift Work Disorder) is a Phase 3, multi-center, randomized, double-blind, placebo-controlled, parallel- group trial to assess the efficacy and safety of solriamfetol in adults with excessive sleepiness associated with shift work disorder (SWD).
Other Sites (4)
Clinical Research Site
Lansing, Michigan, United States
Clinical Research Site
Novi, Michigan, United States
Clinical Research Site
Southfield, Michigan, United States
Clinical Research Site
Spokane, Washington, United States
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See if this trial could fit youThis page is for informational purposes only and does not constitute medical advice. Clinical trial eligibility can only be determined by the trial site after proper screening. Trial information is sourced from ClinicalTrials.gov and may not reflect the most current status. Always consult your healthcare provider before making decisions about clinical trial participation.