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ClinicalTrials.gov public records Last synced Oct 17, 2026, 4:32 AM EDT

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Showing 25–48 of 69 matching trials from the live ClinicalTrials.gov search.
Filters: Sponsor: Supernus Pharmaceuticals, Inc. Clear all
Completed Phase 3 Interventional Results available

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

NCT03247556
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 2, 2021 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Electrophysiology, Safety, Tolerability, and Pharmacokinetics of SAGE-718 Using a Ketamine Challenge in Healthy Subjects

NCT03771586
View directory record Official record
Conditions
Healthy Volunteer
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Long Beach, California • Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess Electrophysiology, Safety, Tolerability, and Pharmacokinetics of Multiple Doses of SAGE-718 Using Ketamine Challenge in Healthy Subjects

NCT03844906
View directory record Official record
Conditions
Healthy Volunteer
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Long Beach, California • Berlin, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

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

NCT03247543
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Oct 17, 2026, 4:32 AM EDT
Recruiting No phase listed Observational

Real-World Patient Experiences Using Continuous Subcutaneous Apomorphine Infusion (ONAPGOTM) in the United States:

NCT07219927
View directory record Official record
Conditions
Parkinson Disease
Interventions
Observational study
Other
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
5
States / cities
Aliso Viejo, California • Irvine, California • Palo Alto, California + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Phase 4 Interventional Results available

Outpatient Physical Therapy Intervention in Subjects With Parkinson's Disease Currently Using APOKYN®

NCT02549573
View directory record Official record
Conditions
Parkinson's Disease, Motor Symptoms
Interventions
APOKYN, Physical Therapy
Drug · Behavioral
Lead sponsor
MDD US Operations, LLC a subsidiary of Supernus Pharmaceuticals
Industry
Eligibility
18 Years to 78 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
12
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Loma Linda, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effects of SAGE-718 in Participants With Mild Cognitive Impairment or Mild Dementia Due to Alzheimer's Disease (AD)

NCT05619692
View directory record Official record
Conditions
Mild Cognitive Impairment, Mild Dementia, Alzheimer's Disease
Interventions
SAGE-718, SAGE-718-matching Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
50 Years to 80 Years
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
37
States / cities
Gilbert, Arizona • Phoenix, Arizona • Lafayette, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Evaluation of Efficacy and Safety of OXC XR as Adjunctive Therapy for Partial Seizures

NCT00772603
View directory record Official record
Conditions
Epilepsies, Partial
Interventions
Placebo, 2400mg SPN-804, 1200mg SPN-804
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
366 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
23
States / cities
Huntsville, Alabama • Northport, Alabama • Phoenix, Arizona + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2014 · Synced Oct 17, 2026, 4:32 AM EDT
Approved For Marketing No phase listed Expanded access

Long Term Study of the Safety of OXC XR as in Pediatric Epilepsy Subjects

NCT00918424
View directory record Official record
Conditions
Epilepsy
Interventions
Oxcarbazepine Extended Release
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
4 Years to 17 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
6
States / cities
Loxahatchee Groves, Florida • Palm Beach, Florida • Rockville, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Safety and Tolerability of OXC XR as Adjunctive Therapy in Subjects With Refractory Partial Epilepsy

NCT00908349
View directory record Official record
Conditions
Partial Epilepsy
Interventions
Oxcarbazepine XR
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 66 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
20
States / cities
Huntsville, Alabama • Northport, Alabama • Phoenix, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Phase 2 Interventional Results available

Exploratory fMRI Study on the Treatment for Impulsive Aggression in Children With ADHD

NCT03638466
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD), Impulsive Aggression
Interventions
Functional Magnetic Resonance Imaging (fMRI), Magnetic Resonance Spectroscopy (MRS), Point Subtraction Aggression Paradigm (PSAP) Task, SPN-810, Placebo
Diagnostic Test · Behavioral · Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
8 Years to 12 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
3
States / cities
Lakeland, Florida • Maitland, Florida • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effect of SAGE-718 on Cognitive Function in Participants With Huntington's Disease (HD)

NCT05107128
View directory record Official record
Conditions
Huntington's Disease
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
34
States / cities
Little Rock, Arkansas • La Jolla, California • Los Angeles, California + 28 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 4 Interventional Results available

A Study To Assess The Safe-Use Conditions For Administration of ZULRESSO® in a Home Setting

NCT05059600
View directory record Official record
Conditions
Postpartum Depression
Interventions
ZULRESSO®
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
6
States / cities
Culver City, California • Miramar, Florida • Pompano Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Efficacy and Safety Study of MYOBLOC® in the Treatment of Adult Lower Limb Spasticity

NCT04099667
View directory record Official record
Conditions
Spasticity
Interventions
Phase 2; Low Dose MYOBLOC (15,000 Units), Phase 2; High Dose MYOBLOC (20,000 Units), Phase 2; Placebo, Phase 3; MYOBLOC, Phase 3; Placebo
Drug
Lead sponsor
Solstice Neurosciences, LLC, a subsidiary of MDD US Operations, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Downey, California • Boise, Idaho • Port Royal, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

Evaluate SAGE-547 in Female Participants With Severe Postpartum Depression

NCT02285504
View directory record Official record
Conditions
Postpartum Depression
Interventions
SAGE-547
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

A Study With SAGE-547 for Super-Refractory Status Epilepticus

NCT02477618
View directory record Official record
Conditions
Super-Refractory Status Epilepticus
Interventions
SAGE-547, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
2 Years and older
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
100
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 76 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 1 Interventional

A Conversion Study of Immediate Release (IR) and Modified Release (MR) Forms of Topiramate (TPM)

NCT01114854
View directory record Official record
Conditions
Epilepsy
Interventions
Topiramate IR, Topiramate ER
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
9
States / cities
Phoenix, Arizona • Little Rock, Arkansas • National City, California + 6 more
Source: ClinicalTrials.gov public record
Updated May 18, 2017 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Multi-Center Study of MYOBLOC for the Treatment of Sialorrhea in Parkinson's Disease Patients

NCT00515437
View directory record Official record
Conditions
Drooling
Interventions
Botulinum Toxin Type B (Myobloc), Matched placebo to Myobloc
Biological
Lead sponsor
Solstice Neurosciences, LLC, a subsidiary of US WorldMeds, LLC
Industry
Eligibility
18 Years to 85 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
18
States / cities
Scottsdale, Arizona • Northridge, California • Oxnard, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Terminated Phase 2Phase 3 Interventional Results available

Efficacy and Safety Study of MYOBLOC® in the Treatment of Adult Upper Limb Spasticity

NCT04815967
View directory record Official record
Conditions
Spasticity, Cerebrovascular Accident, Multiple Sclerosis, Traumatic Brain Injury, Cervical Spinal Cord Injury, Cerebral Palsy
Interventions
Phase 2; Low Dose MYOBLOC (10,000 Units), Phase 2; High Dose MYOBLOC (20,000 Units), Phase 2; Placebo, Phase 3; MYOBLOC, Phase 3; Placebo
Drug
Lead sponsor
Solstice Neurosciences, LLC, a subsidiary of MDD US Operations, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
Downey, California • Boise, Idaho • Port Royal, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

A Study to Assess the Safety of Brexanolone in the Treatment of Adolescent Female Participants With Postpartum Depression (PPD)

NCT03665038
View directory record Official record
Conditions
Post Partum Depression
Interventions
Brexanolone
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
15 Years to 17 Years · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
17
States / cities
Tempe, Arizona • North Little Rock, Arkansas • Miramar, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate SAGE-547 in Participants With Severe Postpartum Depression

NCT02614547
View directory record Official record
Conditions
Severe Postpartum Depression
Interventions
SAGE-547, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
4
States / cities
Atlanta, Georgia • Worcester, Massachusetts • Chapel Hill, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

28-Day Study of SAGE-718 on Functioning Capacity in Participants With Huntington's Disease

NCT05358821
View directory record Official record
Conditions
Huntington Disease
Interventions
SAGE-718, Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
25 Years to 65 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
13
States / cities
Birmingham, Alabama • Los Alamitos, California • Englewood, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effects of SAGE-718 in Participants With Parkinson's Disease Cognitive Impairment

NCT05318937
View directory record Official record
Conditions
Parkinson Disease, Cognitive Dysfunction
Interventions
SAGE-718-matching placebo, SAGE-718
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
50 Years to 75 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
38
States / cities
Sun City, Arizona • Little Rock, Arkansas • Fresno, California + 33 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 17, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Treatment of Impulsive Aggression in Subjects With ADHD in Conjunction With Standard ADHD Treatment (CHIME 1)

NCT02618408
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
SPN-810 (18 mg), SPN-810 (36 mg), Placebo
Drug
Lead sponsor
Supernus Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 12 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
28
States / cities
Rogers, Arkansas • Culver City, California • Glendale, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 17, 2026, 4:32 AM EDT