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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Alprazolam Placebo Clear all
Completed Phase 2Phase 3 Interventional Results available

D-cycloserine and Virtual Reality Exposure to Treat Iraq War Veterans With PTSD

NCT00356278
View directory record Official record
Conditions
Stress Disorder, Post Traumatic
Interventions
D-Cycloserine, Alprazolam, Virtual Reality Exposure Therapy, Placebo
Drug · Behavioral
Lead sponsor
Emory University
Other
Eligibility
21 Years to 65 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 4 Interventional

Oral vs IV Sedation for Cataract Surgery in Older Adults

NCT07154147
View directory record Official record
Conditions
Cataract Surgery, Sedation, Cognition Function, Perioperative Care, Older Adults
Interventions
Alprazolam, Midazolam
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Mechanisms of Hypoglycemia Associated Autonomic Dysfunction Question 2

NCT00574639
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Alprazolam, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 4 Interventional Results available

Drug Treatment Validation of Functional Magnetic Resonance Imaging in Generalized Anxiety Disorder

NCT00662259
View directory record Official record
Conditions
Generalized Anxiety Disorder
Interventions
Alprazolam (Xanax), Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2019 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Abuse Potential of Lasmiditan in Participants Who Are Recreational Drug Users

NCT03286218
View directory record Official record
Conditions
Recreational Drug Use, Prescription Drug Abuse (Not Dependent)
Interventions
Lasmiditan, Alprazolam, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of Effect of Rapastinel on Driving Performance

NCT03814733
View directory record Official record
Conditions
Driving Performance
Interventions
Rapastinel, Alprazolam, Ketamine, Rapastinel Matched Placebo, Alprazolam Matched Placebo, Ketamine Matched Placebo
Drug
Lead sponsor
Naurex, Inc, an affiliate of Allergan plc
Industry
Eligibility
21 Years to 65 Years
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

PharmacofMRI (Functional Magnetic Resonance Imaging) of Anxiolytic Medications (Alprazolam)

NCT00703885
View directory record Official record
Conditions
Anxiety Disorders
Interventions
0.25 mg alprazolam, 1.0 mg alprazolam, placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 30 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 21, 2014 · Synced Sep 6, 2026, 11:05 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 15, 2019 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Sedative-Anxiolytic Effects on Simulated Driving Performance

NCT03297944
View directory record Official record
Conditions
Psychomotor Impairment
Interventions
Alprazolam 2mg (2ALP/PLC), Alprazolam 1mg (1ALP/PLC), Alprazolam 0.5mg (0.5ALP/PLC), Zolpidem 10mg (ZOL/PLC), Placebo (PLC/PLC), Alprazolam 1mg (PLC/ALC)
Drug
Lead sponsor
Marion Coe
Other
Eligibility
18 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Assess the Cognitive Effects of Fesoterodine in Elderly Subjects

NCT01161472
View directory record Official record
Conditions
Healthy
Interventions
4mg fesoterodine, 8mg fesoterodine, alprazolam 1mg, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
65 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
2
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2012 · Synced Sep 6, 2026, 11:05 PM EDT
Terminated Phase 4 Interventional

A Study to Evaluate the Use of Extended Release Alprazolam in the Treatment of Adolescents With Panic Disorder

NCT00635531
View directory record Official record
Conditions
Panic Disorder
Interventions
placebo, alprazolam XR
Other · Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
18
States / cities
Hialeah, Florida • Jacksonville, Florida • North Miami, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 6, 2026, 11:05 PM EDT
Recruiting Phase 2 Interventional

Opioid/Benzodiazepine Polydrug Abuse: Aim 3

NCT05006079
View directory record Official record
Conditions
Opioid Abuse, Benzodiazepine Abuse, Polysubstance Abuse
Interventions
Morphine, Alprazolam, Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced Sep 6, 2026, 11:05 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Oral Gabapentin in Healthy, Non-Drug-Dependent Individuals With Recreational Sedative Drug Use Experience

NCT07777965
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users
Interventions
Alprazolam (Xanax), Placebo, Gabapentin (Neurontin® (Registered Trademark))
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess the Safety, Tolerability, And Pharmacokinetics of Staccato Alprazolam in Healthy Japanese, Chinese, and Caucasian Participants

NCT04782388
View directory record Official record
Conditions
Healthy Study Participants
Interventions
Alprazolam, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Anaheim, California
Source: ClinicalTrials.gov public record
Updated May 16, 2021 · Synced Sep 6, 2026, 11:05 PM EDT
Terminated Phase 4 Interventional

A Study to Assess the Long-term Use of Alprazolam Extended Release (XL) in the Treatment of Adolescents With Panic Disorder

NCT00635076
View directory record Official record
Conditions
Panic Disorder
Interventions
placebo, alprazolam XR
Other · Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
13 Years to 17 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004
U.S. locations
3
States / cities
Eugene, Oregon • San Antonio, Texas • Middleton, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Effects of Cannabidiol (CBD) Compared to Delta-9-Tetrahydrocannabinol (THC) and Alprazolam

NCT03398083
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
THC, Alprazolam, Placebo oral capsule, CBD
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 6, 2026, 11:05 PM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Gabapentin Treatment of Benzodiazepine Dependence

NCT01893632
View directory record Official record
Conditions
Benzodiazepine Dependence
Interventions
gabapentin, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Validation of the Drug Impaired Driving Scenario (DIDS) on the CRCDS-miniSim

NCT04970342
View directory record Official record
Conditions
Driving Behavior, Driving Under the Influence
Interventions
Placebo (Lactose) Capsule, 0.75 mg Alprazolam Capsule, Cannabis (6.18% THC / <0.025% CBD), Cannabis (0%/ THC / 0% CBD)
Drug
Lead sponsor
Timothy L. Brown
Other
Eligibility
19 Years to 45 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Pulmonary Safety of Staccato Alprazolam in Healthy Study Participants and in Study Participants With Mild Asthma

NCT04802746
View directory record Official record
Conditions
Healthy Study Participants, Participants With Mild Asthma
Interventions
Alprazolam, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
18 Years to 55 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
2
States / cities
North Dartmouth, Massachusetts • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Soticlestat in Healthy Adult Nondependent Recreational Drug Users With Central Nervous System (CNS) Depressant Experience

NCT05602818
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Soticlestat 300 mg, Soticlestat 600 mg, Soticlestat 900 mg, Alprazolam, Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 8, 2024 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Abuse Liability Potential of Cenobamate in Recreational Drug Users

NCT03509285
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Alprazolam Placebo, Cenobamate placebo, Alprazolam, Cenobamate
Drug
Lead sponsor
SK Life Science, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Sep 6, 2026, 11:05 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluation Of PF-00572778 And Alprazolam On Naloxone Challenge In Healthy Subjects

NCT00580190
View directory record Official record
Conditions
Healthy
Interventions
alprazolam, Placebo, PF-00572778
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 13, 2009 · Synced Sep 6, 2026, 11:05 PM EDT
Recruiting Phase 3 Interventional

A Study to Test the Efficacy and Safety of Staccato Alprazolam in Study Participants 12 Years of Age and Older With Stereotypical Prolonged Seizures

NCT05077904
View directory record Official record
Conditions
Stereotypical Prolonged Seizures
Interventions
Staccato alprazolam, Placebo
Drug · Other
Lead sponsor
UCB Biopharma SRL
Industry
Eligibility
12 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
66
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Little Rock, Arkansas + 50 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 6, 2026, 11:05 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Opiates and Benzodiazepines on Driving

NCT03447353
View directory record Official record
Conditions
Driving Behavior
Interventions
Xanax 1Mg Tablet, Norco 10Mg-325Mg Tablet, Placebo Oral Tablet
Drug
Lead sponsor
Timothy L. Brown
Other
Eligibility
18 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Sep 6, 2026, 11:05 PM EDT