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Recruiting Phase 4 Interventional

Evaluation of SPN-812 (Viloxazine Extended-release Capsule) in Preschool-age Children With ADHD

ClinicalTrials.gov ID: NCT04781140

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.

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ClinicalTrials.gov public records Last synced Oct 30, 2026, 3:20 PM EDT

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)

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study will evaluate the efficacy and safety of SPN-812 (viloxazine extended release) in children 4 to 5 years of age with 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

Interventions

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 19, 2024 (Actual)
Primary completion
Jan 2028 (Estimated)
Completion
Jan 2028 (Estimated)
Last update posted
Oct 5, 2026

2024 – 2028

United States locations

U.S. sites
54
U.S. states
24
U.S. cities
52
Facility City State ZIP Site status
The Center for Clinical Trials, Inc. Saraland Alabama 36571 Recruiting
Preferred Research Partners-NWA, LLC Fayetteville Arkansas 72703 Withdrawn
Preferred Research Partners, Inc. Little Rock Arkansas 72211 Recruiting
Advanced Research Center (ARC), Inc. Anaheim California 92805 Recruiting
Wake Research-Pharmacology Research Institute (WR-PRI), LLC [Encino] Encino California 91316 Withdrawn
National Institute of Clinical Research (PICR) Garden Grove California 92844 Terminated
Sun Valley Research Center Imperial California 92251 Recruiting
Alliance Research Long Beach California 90807 Recruiting
Wake Research-Pharmacology Research Institute (WR-PRI), LLC [Newport Beach] Newport Beach California 92660 Withdrawn
IMMUNOe Research Centers Centennial Colorado 80112 Recruiting
Vertex Clinical Research, LLC Clermont Florida 34711 Withdrawn
Luna Research Center Coral Gables Florida 33134 Recruiting
Sarkis Clinical Trials Gainesville Florida 32607 Terminated
Clinical Neuroscience Solutions, Inc. Jacksonville Florida 32256 Recruiting
Accel Research Sites - Lakeland CRU Lakeland Florida 33803 Terminated
Avantis Clinical Research LLC Miami Florida 33155 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
Hope Research Network, LLC. Virginia Gardens Florida 33166 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 Terminated
Kentucky Pediatric/Adult Research Bardstown Kentucky 40004 Recruiting
Qualmedica Research, LLC. Owensboro Kentucky 42301 Terminated
DelRicht Research (Touro Medical Center) New Orleans Louisiana 70115 Terminated
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
Hassman Research Institute Berlin New Jersey 08009 Withdrawn
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 Withdrawn
Duke University Durham North Carolina 27705 Recruiting
Cincinnati Children's Hospital and Medical Center Cincinnati Ohio 45229 Recruiting
CincyScience West Chester Ohio 45069 Withdrawn
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 Withdrawn
Javara Dallas Texas 75230 Terminated
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 Oct 5, 2026 · Synced Oct 30, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT04781140 live on ClinicalTrials.gov.

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