Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 1, 2026, 10:42 AM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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Conditions
ADHD
Interventions
Placebo, 400mg SPN-812, 600mg SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
12 Years to 17 Years
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
14
States / cities
Long Beach, California • Colorado Springs, Colorado • Bradenton, Florida + 9 more
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
100mg SPN-812, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
48 Months to 69 Months
Enrollment
286 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
47
States / cities
Saraland, Alabama • Little Rock, Arkansas • Anaheim, California + 41 more
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
38
States / cities
Beverly Hills, California • Garden Grove, California • Los Alamitos, California + 33 more
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 17 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
16
States / cities
Little Rock, Arkansas • Orange, California • Miami, Florida + 13 more
Conditions
ADHD
Interventions
Placebo, 200mg SPN-812, 400mg SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
12 Years to 17 Years
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
12
States / cities
Dothan, Alabama • Orange, California • Hialeah, Florida + 9 more
Conditions
Healthy Lactating Women
Interventions
SPN-812 (600mg, QD)
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Las Vegas, Nevada
Conditions
ADHD
Interventions
Placebo, 200mg SPN-812, 400mg SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 11 Years
Enrollment
313 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
10
States / cities
Long Beach, California • Lauderhill, Florida • Orlando, Florida + 7 more
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
Placebo, SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
37
States / cities
Garden Grove, California • Los Alamitos, California • Newport Beach, California + 32 more
Conditions
Attention-Deficit/Hyperactivity Disorder (ADHD)
Interventions
Placebo, 100mg SPN-812, 200mg SPN-812, 300mg SPN-812, 400mg SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 12 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Maitland, Florida
Conditions
ADHD
Interventions
Placebo, 100mg SPN-812, 200mg SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 11 Years
Enrollment
477 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
7
States / cities
Dothan, Alabama • Hialeah, Florida • Meridian, Idaho + 4 more
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
4 Years to 18 Years
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
16
States / cities
Little Rock, Arkansas • Long Beach, California • Colorado Springs, Colorado + 10 more
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
SPN-812
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New York, New York