Could a narcolepsy drug tame ADHD? phase 3 trial complete
NCT ID NCT05972044
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This Phase 3 trial tested whether solriamfetol, a drug already approved for sleep disorders, can reduce ADHD symptoms in adults. Over 500 participants took either a daily dose of solriamfetol or a placebo for six weeks. The study measured changes in attention and hyperactivity using a standard rating scale.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Solriamfetol (Sunosi), a tablet taken once daily
What this could lead to
If successful, solriamfetol could offer a new medication option for adults with ADHD to help improve focus and reduce hyperactivity.
What could go wrong
This is a completed Phase 3 trial, but results are not yet published. The drug may not work better than placebo, and side effects are possible. It is not a cure.
Disclaimer
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This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Clinical Research Site
Encino, California, 91316, United States
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Clinical Research Site
Garden Grove, California, 92845, United States
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Clinical Research Site
Newport Beach, California, 92660, United States
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Clinical Research Site
Riverside, California, 92506, United States
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Clinical Research Site
Santa Ana, California, 92705, United States
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Clinical Research Site
Sherman Oaks, California, 91403, United States
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Clinical Research Site
Torrance, California, 90504, United States
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Clinical Research Site
Walnut Creek, California, 94596, United States
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Clinical Research Site
Colorado Springs, Colorado, 80910, United States
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Clinical Research Site
Clermont, Florida, 34711, United States
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Clinical Research Site
Doral, Florida, 33122, United States
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Clinical Research Site
Gainesville, Florida, 32607, United States
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Clinical Research Site
Jacksonville, Florida, 32256, United States
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Clinical Research Site
Lauderhill, Florida, 33319, United States
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Clinical Research Site
Miami Lakes, Florida, 33016, United States
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Clinical Research Site
Orlando, Florida, 32801, United States
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Clinical Research Site
Marietta, Georgia, 30060, United States
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Clinical Research Site
Overland Park, Kansas, 66210, United States
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Clinical Research Site
Boston, Massachusetts, 02131, United States
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Clinical Research Site
Saint Charles, Missouri, 63304, United States
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Clinical Research Site
Lincoln, Nebraska, 68526, United States
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Clinical Research Site
Las Vegas, Nevada, 89102, United States
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Clinical Research Site
Las Vegas, Nevada, 89128, United States
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Clinical Research Site
Berlin, New Jersey, 08009, United States
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Clinical Research Site
Cherry Hill, New Jersey, 08002, United States
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Clinical Research Site
Princeton, New Jersey, 08540, United States
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Clinical Research Site
Mount Kisco, New York, 10549, United States
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Clinical Research Site
New York, New York, 10128, United States
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Clinical Research Site
Raleigh, North Carolina, 27609, United States
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Clinical Research Site
Cincinnati, Ohio, 45219, United States
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Clinical Research Site
Kettering, Ohio, 45439, United States
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Clinical Research Site
Oklahoma City, Oklahoma, 73116, United States
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Clinical Research Site
Media, Pennsylvania, 19063, United States
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Clinical Research Site
North Charleston, South Carolina, 29405, United States
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Clinical Research Site
Memphis, Tennessee, 38119, United States
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Clinical Research Site
Austin, Texas, 78737, United States
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Clinical Research Site
Bellaire, Texas, 77401, United States
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Clinical Research Site
Dallas, Texas, 75243, United States
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Clinical Research Site
Dallas, Texas, 75251, United States
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Clinical Research Site
San Antonio, Texas, 78229, United States
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Clinical Research Site
Draper, Utah, 84020, United States
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Clinical Research Site
Everett, Washington, 98201, United States