Open-label Long-Term Safety and Efficacy of SPN-812 (Viloxazine Extended-release Capsule) in Adults With ADHD
Public ClinicalTrials.gov record NCT04143217. 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
An Open-Label Extension Study to Evaluate the Long-Term Safety and Efficacy of SPN-812 (Viloxazine Extended-release Capsule) in Adults With Attention-Deficit/Hyperactivity Disorder
Study identification
- NCT ID
- NCT04143217
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Supernus Pharmaceuticals, Inc.
- Industry
- Enrollment
- 159 participants
Conditions and interventions
Conditions
Interventions
- SPN-812 Drug
Drug
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- 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
- Jan 22, 2020
- Primary completion
- Jul 25, 2022
- Completion
- Dec 13, 2022
- Last update posted
- Feb 12, 2024
2020 – 2022
United States locations
- U.S. sites
- 38
- U.S. states
- 13
- U.S. cities
- 36
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| South California Research LLC | Beverly Hills | California | 90210 | — |
| Collaborative Neuroscience Network | Garden Grove | California | 92845 | — |
| Pharmacology Research Institute | Los Alamitos | California | 90720 | — |
| Pharmacology Research Institute | Newport Beach | California | 92660 | — |
| Artemis Research Institue for Clinical Research | Riverside | California | 92078 | — |
| Artemis Institute for Clinical Research | San Diego | California | 92103 | — |
| Artemis Institute for Clinical Rearch | San Marcos | California | 92078 | — |
| Collaborative Neuroscience Network LLC | Torrance | California | 90502 | — |
| Gulfcoast Research Center | Fort Myers | Florida | 33912 | — |
| Research Centers of America | Hollywood | Florida | 33024 | — |
| Clinical Neuroscience Solutions, Inc | Jacksonville | Florida | 32217 | — |
| Meridien Research | Lakeland | Florida | 33805 | — |
| Florida Clinical Research Center, LLC | Maitland | Florida | 32751 | — |
| Medical Research Group of Central Florida | Orange City | Florida | 32763 | — |
| Clinical Neuroscience Solutions Inc. | Orlando | Florida | 32801 | — |
| CNS Healthcare | Orlando | Florida | 32806 | — |
| Meridien Research | Tampa | Florida | 33634 | — |
| Atlanta Center for Medical Research | Atlanta | Georgia | 30331 | — |
| iResearch Atlanta | Decatur | Georgia | 30030 | — |
| Psych Atlanta | Marietta | Georgia | 30060 | — |
| Psychiatric Associates | Overland Park | Kansas | 66211 | — |
| St. Charles Psychiatric Associates Midwest Research Center | Saint Charles | Missouri | 63304 | — |
| Alivation Research, LLC | Lincoln | Nebraska | 68526 | — |
| Altea Research Institute | Las Vegas | Nevada | 10549 | — |
| Center for Psychiatry and Behavioral Medicine, Inc. | Las Vegas | Nevada | 89128 | — |
| Hassman Research Institute | Berlin | New Jersey | 08009 | — |
| Center for Emotional Fitness | Cherry Hill | New Jersey | 08002 | — |
| Hassmann Research Institute | Marlton | New Jersey | 08053 | — |
| Princeton Medical Institute | Princeton | New Jersey | 08540 | — |
| Bioscience Research | Mount Kisco | New York | 10549 | — |
| The Medical Research Network LLC | New York | New York | 10128r | — |
| Paradigm Research Professionals | Oklahoma City | Oklahoma | 73188 | — |
| Clinical Neuroscience Solutions | Memphis | Tennessee | 38119 | — |
| BioBehavioral Research of Austin P.C. | Austin | Texas | 78759 | — |
| FutureSearch Trials of Dallas, LLP | Dallas | Texas | 75231 | — |
| Houston Clinical Trials | Houston | Texas | 77098 | — |
| Family Psychiatry of the Woodlands | The Woodlands | Texas | 77381 | — |
| Northwest Clinical Trials | Bellevue | Washington | 98007 | — |
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 NCT04143217, 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 12, 2024 · Synced May 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04143217 live on ClinicalTrials.gov.