Evaluation of SPN-812 (Viloxazine Extended-release Capsule) in Preschool-age Children With ADHD
Public ClinicalTrials.gov record NCT04781140. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 4, Randomized, Double-Blind, Multicenter, Placebo-Controlled, Parallel-Group Study of the Efficacy and Safety of SPN-812 in Preschool-Age Children (4 to 5 Years Old) With Attention-Deficit/Hyperactivity Disorder (ADHD)
Study identification
- NCT ID
- NCT04781140
- Recruitment status
- Recruiting
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- Supernus Pharmaceuticals, Inc.
- Industry
- Enrollment
- 286 participants
Conditions and interventions
Conditions
Interventions
- 100mg SPN-812 Drug
- Placebo Drug
Drug
Eligibility (public fields only)
- Age range
- 48 Months to 69 Months
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Mar 18, 2024
- Primary completion
- May 31, 2026
- Completion
- May 31, 2026
- Last update posted
- Feb 17, 2026
2024 – 2026
United States locations
- U.S. sites
- 47
- U.S. states
- 24
- U.S. cities
- 44
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| The Center for Clinical Trials, Inc. | Saraland | Alabama | 36571 | Recruiting |
| Preferred Research Partners, Inc. | Little Rock | Arkansas | 72211 | Recruiting |
| Advanced Research Center (ARC), Inc. | Anaheim | California | 92805 | Recruiting |
| Sun Valley Research Center | Imperial | California | 92251 | Recruiting |
| Alliance Research | Long Beach | California | 90807 | Recruiting |
| IMMUNOe Research Centers | Centennial | Colorado | 80112 | Recruiting |
| Luna Research Center | Coral Gables | Florida | 33134 | Recruiting |
| Sarkis Clinical Trials | Gainesville | Florida | 32607 | Recruiting |
| Clinical Neuroscience Solutions, Inc. | Jacksonville | Florida | 32256 | Recruiting |
| Avantis Clinical Research LLC | Miami | Florida | 33155 | Recruiting |
| Hope Research Network, LLC. | Miami | Florida | 33166 | Recruiting |
| Medical Research Group of Central Florida | Orange City | Florida | 32763 | Recruiting |
| Clinical Neuroscience Solutions, Inc. | Orlando | Florida | 32801 | Recruiting |
| APG Research LLC | Orlando | Florida | 32803 | Recruiting |
| D&H Tamarac Research Center | Tamarac | Florida | 33321 | Recruiting |
| Pediatric Neurology and Epilepsy Specialists | Winter Park | Florida | 32789 | Recruiting |
| Advanced Discovery Research LLC | Atlanta | Georgia | 30318 | Recruiting |
| Clinical Integrative Research Center of Atlanta | Atlanta | Georgia | 30328 | Recruiting |
| CenExcel iResearch, LLC | Decatur | Georgia | 30030 | Recruiting |
| CenExel iResearch, LLC. | Savannah | Georgia | 31405 | Recruiting |
| Qualmedica Research, LLC. | Evansville | Indiana | 47715 | Recruiting |
| Kentucky Pediatric/Adult Research | Bardstown | Kentucky | 40004 | Recruiting |
| Qualmedica Research, LLC. | Owensboro | Kentucky | 42301 | Recruiting |
| DelRicht Research (Touro Medical Center) | New Orleans | Louisiana | 70115 | Recruiting |
| DelRicht Research | Prairieville | Louisiana | 70769 | Recruiting |
| Kennedy Krieger Institute | Baltimore | Maryland | 21205 | Recruiting |
| Boston Children's Hospital | Boston | Massachusetts | 02445 | Recruiting |
| Neurobehavioral Medicine Group | Bloomfield Hills | Michigan | 48302 | Recruiting |
| Precise Research Centers | Flowood | Mississippi | 39232 | Recruiting |
| Clinical Research of Southern Nevada, LLC. | Las Vegas | Nevada | 89128 | Recruiting |
| Med Clinical Research | Irvington | New Jersey | 07111 | Recruiting |
| Jersey Shore University Medical Center | Neptune City | New Jersey | 07753 | Recruiting |
| Icahn School of Medicine at Mount Sinai | New York | New York | 10028 | Recruiting |
| Duke University | Durham | North Carolina | 27705 | Recruiting |
| Cincinnati Children's Hospital and Medical Center | Cincinnati | Ohio | 45229 | Recruiting |
| CincyScience | West Chester | Ohio | 45069 | Recruiting |
| Cyn3rgy Research | Gresham | Oregon | 97030 | Recruiting |
| Penn State Health Medical Group - Psychiatry and Behavioral Health | Hershey | Pennsylvania | 17033 | Recruiting |
| Coastal Carolina Research Center | North Charleston | South Carolina | 29405 | Recruiting |
| Coastal Pediatric Research | Summerville | South Carolina | 29486 | Recruiting |
| Clinical Neuroscience Solutions, Inc. | Memphis | Tennessee | 38119 | Recruiting |
| Houston Clinical Trials, LLC. | Bellaire | Texas | 77401 | Recruiting |
| Javara | Dallas | Texas | 75230 | Recruiting |
| AIM Trials, LLC | Plano | Texas | 75093 | Recruiting |
| Family Psych of The Woodlands | The Woodlands | Texas | 77381 | Recruiting |
| Clinical Research Partners, LLC | Petersburg | Virginia | 23805 | Recruiting |
| Virginia Commonwealth University, Virginia Treatment Center for Children | Richmond | Virginia | 23220 | Recruiting |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04781140, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 17, 2026 · Synced Jul 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04781140 live on ClinicalTrials.gov.