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ClinicalTrials.gov public records Last synced Oct 5, 2026, 12:50 PM EDT

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Showing 25–47 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo and zolpidem Clear all
Completed No phase listed Observational Accepts healthy volunteers

Safety and Efficacy of Chronic Hypnotic Use

NCT01006525
View directory record Official record
Conditions
Primary Insomnia
Interventions
zolpidem
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
21 Years to 70 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 7, 2011 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 4 Interventional Results available

Facilitation of Zolpidem (≥10 mg) Discontinuation Through Use of Ramelteon in Subjects With Chronic Insomnia

NCT00492232
View directory record Official record
Conditions
Chronic Insomnia
Interventions
Ramelteon and zolpidem, Placebo and zolpidem
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
41
States / cities
Hot Springs, Arkansas • Anaheim, California • Fountain Valley, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2010 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 4 Interventional Results available

Partial Reinforcement II: Three Approaches to Maintenance Therapy for Chronic Insomnia

NCT03774810
View directory record Official record
Conditions
Insomnia, Insomnia Chronic
Interventions
Zolpidem tartrate
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 85 Years
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 5, 2026, 12:50 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 Sep 1, 2026 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 2 Interventional Results available

Xyrem(Sodium Oxybate) and Ambien(Zolpidem Tartrate) in the Treatment of Chronic Insomnia.

NCT00383643
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
zolpidem tartrate, sodium oxybate, Matching Placebos
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Not applicable Interventional Results available

Zolpidem CR and Hospitalized Patients With Dementia

NCT00814502
View directory record Official record
Conditions
Dementia, Alzheimer Disease, Dementia, Vascular, Sleep Disorders, Circadian Dysregulation
Interventions
Zolpidem CR, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 22, 2017 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect Of Treatment With Oral Zolpidem On Polysomnography And Actigraphy Measures In Healthy Volunteers

NCT00716521
View directory record Official record
Conditions
Methodology Study
Interventions
placebo, zolpidem
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 24, 2009 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 3 Interventional

Evaluation of the Hypnotic Properties of Zolpidem-MR 12.5 mg and Zolpidem 10 mg Marketed Product Compared to Placebo in Patients With Primary Insomnia

NCT00630175
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
zolpidem-MR (modified release), zolpidem (SL800750), placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 64 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated May 18, 2009 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

The Role of Sleep in the Treatment of Cannabis Use Disorders

NCT01685073
View directory record Official record
Conditions
Drug Addiction
Interventions
Zolpidem extended-release, MET/CBT
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Oct 5, 2026, 12:50 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Imaging the Effects of Zolpidem and Alprazolam in Healthy Volunteers at 3T

NCT01747590
View directory record Official record
Conditions
Psychotropic Drugs Effects
Interventions
Zolpidem, Alprazolam, Caffeine, Placebo
Drug · Other
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 40 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 11, 2012 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Hallucinogens and Other Drugs on Mood and Performance

NCT02033707
View directory record Official record
Conditions
Healthy
Interventions
Hallucinogens and psychoactive substances
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 16, 2019 · Synced Oct 5, 2026, 12:50 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Central Sleep Apnea : Physiologic Mechanisms to Inform Treatment

NCT04118387
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Acetazolamide + supplemental oxygen + PAP therapy, Zolpidem + PAP therapy, Buspirone + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Not applicable Interventional Results available

The Role of Partial Reinforcement in the Long Term Management of Insomnia

NCT00662155
View directory record Official record
Conditions
Primary Insomnia
Interventions
Zolpidem, Placebos
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 55 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Oct 5, 2026, 12:50 PM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of Adipiplon, Placebo and an Active Control in Primary Insomniacs

NCT00683436
View directory record Official record
Conditions
Primary Insomnia
Interventions
Adipiplon, Placebo, Ambien CR
Drug
Lead sponsor
Neurogen Corporation
Industry
Eligibility
21 Years to 64 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
9
States / cities
Pembroke Pines, Florida • South Miami, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2008 · Synced Oct 5, 2026, 12:50 PM EDT
Withdrawn Phase 2 Interventional

Use of Zolpidem in Parkinson's Disease

NCT01351168
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Levodopa, Zolpidem first dose, Zolpidem second dose, sugar pill
Drug
Lead sponsor
Rush University Medical Center
Other
Eligibility
30 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 3, 2012 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 3 Interventional Results available

SM-1 vs 2 Comparators and Placebo in Participants With a History of Transient Insomnia.

NCT03331042
View directory record Official record
Conditions
Transient Insomnia
Interventions
SM-1, D+Z, D+L, Placebo
Drug
Lead sponsor
Sequential Medicine Ltd
Industry
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 4 Interventional Results available

Long Term Treatment With Zolpidem: Nightly and Intermittent Dosing

NCT00156533
View directory record Official record
Conditions
Insomnia, Primary Insomnia, Psychophysiologic Insomnia
Interventions
Zolpidem, Sugar Pill
Drug
Lead sponsor
University of Rochester
Other
Eligibility
25 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Estrogen for Treating Depression in Menopausal Women With Hot Flashes and Insomnia

NCT00227942
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders, Depression
Interventions
Estrogen Replacement Therapy, Zolpidem, placebo
Drug
Lead sponsor
Hadine Joffe, MD
Other
Eligibility
40 Years to 60 Years · Female only
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2014 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy Study of Compound LY2624803 in the Treatment of Patients With Chronic Insomnia

NCT00784875
View directory record Official record
Conditions
Primary Insomnia, Secondary Insomnia
Interventions
LY2624803, Placebo, zolpidem
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 85 Years
Enrollment
643 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
49
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 46 more
Source: ClinicalTrials.gov public record
Updated Feb 29, 2012 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Zolpidem-MR Administered Over a Long Term Period as Needed for Insomnia (ZOLONG)

NCT00425243
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
zolpidem-MR (SL800750)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,025 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Malvern, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2009 · Synced Oct 5, 2026, 12:50 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Positron Emission Tomography Assessment of the Central Nervous System Effects of Eszopiclone and Zolpidem

NCT00781482
View directory record Official record
Conditions
Healthy
Interventions
eszopiclone, zolpidem, placebo
Drug
Lead sponsor
Kettering Health Network
Other
Eligibility
18 Years to 35 Years · Male only
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Kettering, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 5, 2026, 12:50 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 27, 2025 · Synced Oct 5, 2026, 12:50 PM EDT
Completed Phase 2 Interventional

Combined Behavioral/Pharmacological Therapy for Insomnia

NCT00044629
View directory record Official record
Conditions
Sleep Initiation and Maintenance Disorders
Interventions
Cognitive-Behavioral Therapy for Insomnia, zolpidem tartrate (Ambien), Placebo
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years to 75 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 16, 2013 · Synced Oct 5, 2026, 12:50 PM EDT