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Completed Phase 3 Interventional Results available

Evaluation of SPN-812 (Viloxazine Extended-release Capsule) High Dose in Adolescents With ADHD

ClinicalTrials.gov ID: NCT03247556

Public ClinicalTrials.gov record NCT03247556. 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.

ClinicalTrials.gov public records Last synced Sep 1, 2026, 9:42 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Evaluation of SPN-812 (Viloxazine Extended-release Capsule) 400 and 600 mg Efficacy and Safety in Adolescents With ADHD - A Double-Blind, Placebo-Controlled, Pivotal Trial

Brief summary

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

This study will evaluate the efficacy and safety of high doses of SPN-812 in adolescents (12-17 years old) with ADHD

Study identification

NCT ID
NCT03247556
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Enrollment
297 participants

Conditions and interventions

Conditions

Interventions

Drug

Eligibility (public fields only)

Age range
12 Years to 17 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
Nov 19, 2017
Primary completion
Feb 13, 2019
Completion
Feb 13, 2019
Last update posted
Jul 1, 2021

2017 – 2019

United States locations

U.S. sites
14
U.S. states
8
U.S. cities
12
Facility City State ZIP Site status
Alliance for Wellness dba Alliance for Research Long Beach California 90807
MCB Clinical Research Centers, LLC Colorado Springs Colorado 80910
Meridien Research at Florida Clinical Research Center Bradenton Florida 34201
Innovative Clinical Research, Inc Lauderhill Florida 33319
Miami Clinical Research Miami Florida 33155
APG Research, LLC Orlando Florida 32803
iResearch Atlanta Decatur Georgia 30030
IPS Research Oklahoma City Oklahoma 73103
Paradigm Research Professionals Oklahoma City Oklahoma 73118
Carolina Clinical Trials, Inc. Charleston South Carolina 29407
Gadolin Research, LLC Beaumont Texas 77702
Bayou City Research Corporation Houston Texas 77006
Discovery MM Services Inc. Houston Houston Texas 77061
Ericksen Research & Development Clinton Utah 84015

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

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About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03247556, 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 Jul 1, 2021 · Synced Sep 1, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03247556 live on ClinicalTrials.gov.

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