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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Suvorexant Clear all
Completed Phase 4 Interventional Results available

Efficacy of Suvorexant to Treat Insomnia Related to Bipolar Disorder

NCT02527564
View directory record Official record
Conditions
Insomnia, Bipolar Disorder
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced Sep 24, 2026, 5:08 PM EDT
Recruiting Phase 4 Interventional

Suvorexant: A Dual Orexin Receptor Antagonist for Treating Sleep Disturbance in Posttraumatic Stress

NCT03642028
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Stress Disorders, Posttraumatic
Interventions
Suvorexant, Placebo
Drug · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
4
States / cities
Long Beach, California • San Francisco, California • Salisbury, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Abuse Potential of ACT-541468 in Healthy Recreational Drug Users

NCT03657355
View directory record Official record
Conditions
Healthy Recreational Drug Users
Interventions
ACT-541468, Suvorexant, Zolpidem, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Sep 24, 2026, 5:08 PM EDT
Recruiting Phase 2 Interventional

Orexin Receptor Antagonism for the Treatment of Alcohol Use Disorder and Stress-Related Drinking

NCT07214207
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Suvorexant 10 mg, Placebo
Drug · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional

Treatment of Disturbed Sleep in Progressive Supranuclear Palsy (PSP)

NCT04014387
View directory record Official record
Conditions
Progressive Supranuclear Palsy(PSP), Insomnia
Interventions
Suvorexant, Zolpidem, Placebo oral capsule
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 1 Interventional

Targeting Orexin to Treat Nicotine Dependence

NCT03999099
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Suvorexant 20 mg, Suvorexant 10 mg, Placebo oral tablet
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Results available

Efficacy of Suvorexant in Patients With Effectively Treated Restless Legs Syndrome and Persistent Chronic Insomnia

NCT04706091
View directory record Official record
Conditions
Restless Legs Syndrome, Insomnia, Sleep Disorder
Interventions
Suvorexant, Placebo
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
25 Years to 85 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2024 · Synced Sep 24, 2026, 5:08 PM EDT
Recruiting Phase 2 Interventional

Orexin Antagonism for Suicide Risk: A Proof-of-Concept Clinical Trial

NCT06854224
View directory record Official record
Conditions
Suicide Risk, Major Depressive Disorder (MDD)
Interventions
Suvorexant (dual orexin receptor antagonist)
Drug
Lead sponsor
Marianne Goodman
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Suvorexant and Cocaine

NCT03937986
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Suvorexant, Cocaine, Placebo oral capsule
Drug
Lead sponsor
William Stoops
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Determine the Abuse Potential of Seltorexant Compared to Suvorexant and Zolpidem

NCT05106153
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users, Abuse Potential
Interventions
Suvorexant, Zolpidem, Seltorexant, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Not yet recruiting Phase 4 Interventional

Suvorexant 3 - PE-PC

NCT07686731
View directory record Official record
Conditions
PTSD - Post Traumatic Stress Disorder, Insomnia, TBI (Traumatic Brain Injury)
Interventions
Suvorexant, Placebo, Prolonged Exposure Therapy for Primary Care (PE-PC)
Drug · Behavioral
Lead sponsor
Northern California Institute of Research and Education
Other
Eligibility
18 Years to 75 Years
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 2 Interventional

Suvorexant as an Adjunct to Buprenorphine in Persons Who Use Fentanyl

NCT05145764
View directory record Official record
Conditions
Suvorexant, Placebo, Opioid Use Disorder
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Terminated Phase 2 Interventional

Dual-Orexin Antagonism As a Mechanism for Improving Sleep and Drug Abstinence in Opioid Use Disorder

NCT04262193
View directory record Official record
Conditions
Opioid-use Disorder, Sleep
Interventions
Suvorexant, Suvorexant Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 70 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Suvorexant and Sleep's Benefits to Therapeutic Exposure for Posttraumatic Stress Disorder

NCT02849548
View directory record Official record
Conditions
Posttraumatic Stress Disorder
Interventions
suvorexant, placebo
Drug · Other
Lead sponsor
Howard University
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 1, 2023 · Synced Sep 24, 2026, 5:08 PM EDT
Terminated Phase 4 Interventional Results available

Suvorexant in Insomnia Co-morbid With Fibromyalgia

NCT02684136
View directory record Official record
Conditions
Insomnia, Fibromyalgia
Interventions
suvorexant, placebo
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
21 Years to 65 Years · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Early Phase 1 Interventional Results available

Orexin Receptor Antagonists as Modulators of Threat Sensitivity in Individuals With Alcohol Use Disorder

NCT05656534
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Suvorexant, Placebo
Drug · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

A Comparison of the Physiological and Behavioral Effects of Suvorexant and Zolpidem in Healthy Volunteers: A Randomized, Double-blind, Placebo Controlled Study

NCT04273776
View directory record Official record
Conditions
Performance Enhancing Product Use
Interventions
Suvorexant 10 mg, Zolpidem, Placebos
Drug
Lead sponsor
Walter Reed Army Institute of Research (WRAIR)
Federal
Eligibility
18 Years to 39 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Results available

A Pilot Study of Suvorexant for Insomnia in Parkinson Disease

NCT02729714
View directory record Official record
Conditions
Insomnia
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Burdick, Daniel, M.D.
Individual
Eligibility
30 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Kirkland, Washington
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 24, 2026, 5:08 PM EDT
Terminated Phase 4 Interventional Results available

Double-blind Randomized Controlled Trial Comparing Suvorexant 20 mg to Placebo for Treatment of Insomnia in Cancer Survivors

NCT06162663
View directory record Official record
Conditions
Breast Cancer, Insomnia
Interventions
Suvorexant Tablets, Placebo Control
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional

Evaluation of Suvorexant for Reduction of Brain Reactivity in Patients With Cannabis Use Disorder (Pilot Study)

NCT06584942
View directory record Official record
Conditions
Cue-reactivity, Cannabis Use Disorder, Functional MRI, Orexin Antagonist
Interventions
Suvorexant
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Results available

Suvorexant and Sleep/Delirium in ICU Patients

NCT04092894
View directory record Official record
Conditions
Insomnia, Sleep Fragmentation, Sleep Initiation and Maintenance Disorders, Postoperative Delirium
Interventions
Suvorexant 20 mg, Placebo oral tablet
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Examination of the Effectiveness of Suvorexant in Improving Daytime Sleep in Shift Workers

NCT02491788
View directory record Official record
Conditions
Sleep Disorder, Shift-Work
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
VA Palo Alto Health Care System
Federal
Eligibility
20 Years to 60 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Sep 24, 2026, 5:08 PM EDT
Completed Phase 4 Interventional Results available

Treating Insomnia and Improving Metabolic Health in Midlife Women With Insomnia

NCT05593653
View directory record Official record
Conditions
Insomnia, Metabolic Health, Menopause
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
40 Years to 65 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 24, 2026, 5:08 PM EDT
Not listed Phase 4 Interventional

Impact of Suvorexant on Sympathetic Nerve Activity and Baroreflex Function in Chronic Insomnia

NCT03768713
View directory record Official record
Conditions
Chronic Insomnia
Interventions
Suvorexant, Placebo
Drug
Lead sponsor
Montana State University
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bozeman, Montana
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Sep 24, 2026, 5:08 PM EDT