ALKS 7290 vs placebo in adults with ADHD
Official title: A Phase 2, Randomized, Parallel-Group, Double-Blind, Study to Evaluate the Safety and Efficacy of ALKS 7290 Compared to Placebo in Adult Participants With Attention Deficit Hyperactivity Disorder
Run by Alkermes, Inc. · NCT07755410 · Data updated 2026-11-12
This trial tests whether ALKS 7290 can help adults with ADHD better than a placebo.
Quick facts
| Phase | Phase 2 |
|---|---|
| Study type | Interventional |
| Ages | 18 Years to 65 Years |
| Sex | All |
| Enrollment | 312 (estimated) |
| Sponsor | Alkermes, Inc. Industry-sponsored |
| Locations | 28 sites (Little Rock, Arkansas and 27 other locations) |
| Status | Recruiting |
| Started | August 10, 2026 |
| Main results expected | July 2027 |
| Study ends | July 2027 |
| Registry record updated | October 29, 2026 |
| Trial ID | NCT07755410 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults with ADHD who are medically stable on permitted medications, have AISRS ≥ 26 and CGI-S ≥ 4, and BMI 18–35 kg/m2.
✕Probably not a fit
Individuals with certain comorbid psychiatric conditions or cognitive impairments that limit participation may not benefit.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This Phase 2 interventional study compares ALKS 7290 tablets to placebo in adults diagnosed with ADHD. Participants must meet DSM-5 criteria for ADHD and be medically stable, with specific symptom and BMI requirements. The study will assess safety and whether symptoms improve on ALKS 7290 compared with placebo, using standard assessments and monitoring. Enrollment is at Alkermes investigational sites in Little Rock, AR and Chino, CA.
Why it matters
Potential benefit: If successful, participants may experience improved ADHD symptoms and a favorable safety profile for ALKS 7290.
How similar studies have gone: Prior trials of similar agents have shown varying levels of symptom improvement; this study builds on that approach with a placebo comparison.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Meets the Diagnostic and Statistical Manual of Mental Disorders -5 criteria for ADHD, as confirmed by the Mini-International Neuropsychiatric Interview (MINI) for ADHD Studies 7.0.2. * Is otherwise healthy as determined by medical evaluation, including medical history, physical examination, laboratory tests, and cardiac monitoring. Participants must be stable on permitted medication for 2 months prior to first visit, without anticipated changes to dose. * AISRS total score of ≥26 * CGI-S score ≥ 4 (moderately ill or worse) * Has a Body Mass Index within 18 to 35 kg/m2 Exclusion Criteria: * Has a known history of intellectual developmental disorder or cognitive impairment that, in the opinion of the Investigator, would interfere with study participation. * Has any of the following psychiatric conditions per the DSM-5 criteria, as assessed by the MINI. Conditions not assessable by the MINI should be assessed by clinical judgement; Diagnosis of schizophrenia, schizoaffective disorder, or bipolar I or II disorder, or current, unstable, MDD or GAD. * Clinically significant cognitive difficulties including dementia, delirium or amnestic syndromes, or any other cognitive disorder present with the past 2 years that could interfere with participation in the study. * Moderate to severe substance use disorder according to DSM-5 guidelines, including use of alcohol, nicotine, cannabis, narcotics, or any illicit substance. * Any other psychiatric condition that could interfere with participation in the study.
Where it's running
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Alkermes Investigational Site
Little Rock, Arkansas, United States Recruiting -
Alkermes Investigational Site
Chino, California, United States Recruiting -
Alkermes Investigator Site
Chino, California, United States Recruiting -
Alkermes Investigational Site
Clermont, Florida, United States Recruiting -
Alkermes Investigational Site
Jacksonville, Florida, United States Recruiting -
Alkermes Investigational Site
Lakeland, Florida, United States Recruiting
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Alkermes Investigational Site
Largo, Florida, United States Recruiting -
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Maitland, Florida, United States Recruiting -
Alkermes Investigator Site
Maitland, Florida, United States Recruiting -
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Maitland, Florida, United States Recruiting -
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Orange City, Florida, United States Recruiting -
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Orlando, Florida, United States Recruiting -
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Tampa, Florida, United States Recruiting -
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Decatur, Georgia, United States Recruiting -
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Foxborough, Massachusetts, United States Recruiting -
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Watertown, Massachusetts, United States Recruiting -
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Detroit, Michigan, United States Recruiting -
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Memphis, Michigan, United States Recruiting -
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Lincoln, Nebraska, United States Recruiting -
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Las Vegas, Nevada, United States Recruiting -
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North Canton, Ohio, United States Recruiting -
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East Providence, Rhode Island, United States Recruiting -
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North Charleston, South Carolina, United States Recruiting -
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Austin, Texas, United States Recruiting -
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Austin, Texas, United States Recruiting -
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The Woodlands, Texas, United States Recruiting -
Alkermes Investigational Site
Bellevue, Washington, United States Recruiting
Study contacts
- Study coordinator: Global Clinical Services
- Email: clinicaltrials@alkermes.com
- Phone: 888-235-8008 (US Only)
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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.