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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Esketamine 56 mg Clear all
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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 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, 8:51 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Safety and Efficacy of Intranasal Esketamine in Treatment-resistant Depression

NCT01998958
View directory record Official record
Conditions
Treatment Resistant Depressive Disorder
Interventions
Esketamine 14 mg, Esketamine 28 mg, Esketamine 56 mg, Esketamine 84 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
20 Years to 64 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
14
States / cities
Birmingham, Alabama • Garden Grove, California • Hartford, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 8:51 AM EDT
Recruiting Phase 3 Interventional

A Study of Esketamine Nasal Spray Versus Placebo Spray in Adult Participants With Treatment-resistant Depression

NCT07716098
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
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
3
States / cities
Redlands, California • Skokie, Illinois • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 1, 2026, 8:51 AM EDT
Completed Phase 3 Interventional Results available

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

NCT02417064
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
346 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
37
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Garden Grove, California + 34 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 8:51 AM EDT
Completed Phase 3 Interventional Results available

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

NCT02422186
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) (New Antidepressant)
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
65 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
15
States / cities
San Diego, California • New Haven, Connecticut • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 8:51 AM EDT
Completed Phase 3 Interventional Results available

A Long-term Safety Study of Esketamine Nasal Spray in Treatment-resistant Depression

NCT02782104
View directory record Official record
Conditions
Depressive Disorder, Treatment-Resistant
Interventions
Esketamine Nasal Spray
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
1,148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
51
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Garden Grove, California + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2025 · Synced Sep 1, 2026, 8:51 AM EDT