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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Esketamine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Mass Balance Study With a Microtracer Dose of 14C-esketamine in Healthy Male Participants

NCT02674295
View directory record Official record
Conditions
Healthy
Interventions
Esketamine 50 mg, Esketamine 20 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1Phase 2 Interventional

Combining Esketamine and Prolonged Exposure Treatment for PTSD (Post Traumatic Stress Disorder)

NCT06795659
View directory record Official record
Conditions
Post Traumatic Stress Disorder PTSD
Interventions
Esketamine (Intranasal Spray), Massed Prolonged Exposure (PE)
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Crossover Study to Evaluate the Abuse Potential of Intranasal Esketamine Compared to Racemic Intravenous Ketamine in Nondependent, Recreational Drug Users

NCT02682225
View directory record Official record
Conditions
Drug Abuse
Interventions
Intravenous placebo, Intranasal placebo, Intravenous racemic ketamine, Esketamine 112 mg, Esketamine 84 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic, Safety, and Tolerability Study of Intranasally Administered Esketamine in Elderly Japanese, and Healthy Younger Adult Japanese Subjects

NCT02857777
View directory record Official record
Conditions
Healthy
Interventions
Esketamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
20 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Effects of Renal Impairment on the Pharmacokinetics, Safety, and Tolerability of Intranasally Administered Esketamine

NCT02606084
View directory record Official record
Conditions
Renal Impairment, Healthy
Interventions
Esketamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
Miami, Florida • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Pharmacokinetics of Intranasally Administered Esketamine in Healthy Japanese and Caucasian Volunteers

NCT01980303
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Esketamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
20 Years to 55 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Jan 27, 2014 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 2 Interventional Results available

Study to Evaluate the Efficacy and Safety of 3 Fixed Doses of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Pediatric Participants Assessed to be at Imminent Risk for Suicide

NCT03185819
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Intranasal Placebo, Midazolam Placebo Solution, Midazolam, Esketamine
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
9 Years to 17 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
18
States / cities
Hartford, Connecticut • New Haven, Connecticut • Atlanta, Georgia + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Withdrawn Phase 4 Interventional

VA Aripiprazole vs Esketamine for Treatment Resistant Depression

NCT05554627
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Esketamine, Aripiprazole
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 74 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
26
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2024 · Synced Sep 1, 2026, 10:42 AM EDT
Suspended Not applicable Interventional

Testing the Effectiveness of Cognitive Training Among Depressed Patients Receiving Esketamine Treatment

NCT05719909
View directory record Official record
Conditions
Depression
Interventions
Cognitive Training, Sham Training
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

54135419SUI3002: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide

NCT03097133
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Esketamine, Placebo, Standard of Care
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
18
States / cities
San Diego, California • Farmington, Connecticut • Miami, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Safety, and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression

NCT02418585
View directory record Official record
Conditions
Treatment-resistant Depression
Interventions
Esketamine, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Birmingham, Alabama • Orange, California • San Rafael, California + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

A Long-term, Safety and Efficacy Study of Intranasal Esketamine in Treatment-resistant Depression

NCT02497287
View directory record Official record
Conditions
Treatment-resistant Depression
Interventions
Esketamine (Intranasal Spray), Duloxetine (Oral Antidepressant), Escitalopram (Oral Antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
16
States / cities
New Haven, Connecticut • Miami, Florida • Marietta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Efficacy, Pharmacokinetics, Safety and Tolerability of Flexible Doses of Intranasal Esketamine Plus an Oral Antidepressant in Adult Participants With Treatment-resistant Depression

NCT03434041
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine 56 mg, Esketamine 84 mg, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral Antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
6
States / cities
Atlanta, Georgia • Shreveport, Louisiana • Gaithersburg, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Terminated Not applicable Interventional Results available

Role Of Non-Specific Effects in The Treatment of Depression With Esketamine

NCT05910775
View directory record Official record
Conditions
Depressive Episode
Interventions
Pre and Post Treatment Presentations
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 2 Interventional Results available

A Double-blind Study to Assess the Efficacy and Safety of Intranasal Esketamine for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Participants Who Are Assessed to be at Imminent Risk for Suicide

NCT02133001
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Esketamine, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
14
States / cities
Birmingham, Alabama • San Diego, California • Hartford, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Recruiting No phase listed Observational

Retrospective Analyses of the Greenbrook Database Evaluating Mental Health Treatments

NCT06997549
View directory record Official record
Conditions
Depression, OCD, Anxiety Depression
Interventions
Patients treated with NeuroStar TMS, Patients treated with Esketamine
Device · Drug
Lead sponsor
Neuronetics
Other
Eligibility
5 Years to 100 Years
Enrollment
12,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2035
U.S. locations
1
States / cities
Malvern, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

54135419SUI3001: A Study to Evaluate the Efficacy and Safety of Intranasal Esketamine in Addition to Comprehensive Standard of Care for the Rapid Reduction of the Symptoms of Major Depressive Disorder, Including Suicidal Ideation, in Adult Participants Assessed to be at Imminent Risk for Suicide

NCT03039192
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Esketamine, Placebo, Standard of Care
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
226 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
17
States / cities
Birmingham, Alabama • Chandler, Arizona • Garden Grove, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 2 Interventional Results available

A Study of CLE-100 (Oral Esketamine) as an Adjunctive Treatment to Standard Antidepressants for Major Depressive Disorder

NCT06340958
View directory record Official record
Conditions
Adjunctive Treatment of Major Depressive Disorder (MDD)
Interventions
CLE-100, Placebo
Drug
Lead sponsor
Clexio Biosciences Ltd.
Industry
Eligibility
18 Years to 65 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
23
States / cities
La Jolla, California • Lafayette, California • Upland, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Not applicable Interventional Results available

Using Virtual Reality to Control the Audio-visual Inputs During Ketamine/Esketamine Treatment

NCT06139016
View directory record Official record
Conditions
Depression
Interventions
Virtual reality
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic, Safety, and Tolerability Study of Intranasally Administered Esketamine in Healthy Han Chinese, Korean, Japanese, and Caucasian Participants and the Effects of Rifampin on the Pharmacokinetics of Intranasally Administered Esketamine

NCT02846519
View directory record Official record
Conditions
Healthy
Interventions
Esketamine, Rifampin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
20 Years to 55 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 3 Interventional Results available

A Study of Intranasal Esketamine Plus an Oral Antidepressant for Relapse Prevention in Adult Participants With Treatment-resistant Depression

NCT02493868
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine, Placebo, Duloxetine (Oral Antidepressant), Escitalopram (Oral antidepressant), Sertraline (Oral Antidepressant), Venlafaxine Extended Release (XR) (Oral Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
719 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
53
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Anaheim, California + 50 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Not applicable Interventional

Cognitive Behavioral Therapy Following Esketamine for Major Depression and Suicidal Ideation for Relapse Prevention

NCT04760652
View directory record Official record
Conditions
Depression and Suicide
Interventions
Cognitive Behavioral Therapy CBT
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Birmingham, Alabama • New Haven, Connecticut • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Completed Phase 4 Interventional Results available

A Study of Esketamine Nasal Spray, Administered as Monotherapy, in Adult Participants With Treatment-resistant Depression

NCT04599855
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine 56 mg, Esketamine 84 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
477 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
54
States / cities
Birmingham, Alabama • Huntsville, Alabama • Little Rock, Arkansas + 44 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Sep 1, 2026, 10:42 AM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Esketamine for Reduction of Symptoms of Major Depressive Disorder

NCT07227454
View directory record Official record
Conditions
Depressive Disorder, Major
Interventions
Esketamine, Midazolam, Oral Placebo, Intranasal Placebo
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
12 Years to 17 Years
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
10
States / cities
Birmingham, Alabama • Washington D.C., District of Columbia • Atlanta, Georgia + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 1, 2026, 10:42 AM EDT