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Showing 1–24 of 62 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: intranasal ketamine Clear all
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 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Completed Not applicable Interventional Results available

Intranasal Ketamine in Treatment-Resistant Depression

NCT01304147
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ketamine, placebo
Drug
Lead sponsor
James Murrough
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 7, 2017 · Synced Sep 18, 2026, 7:56 PM EDT
Recruiting No phase listed Observational

University of Iowa Interventional Psychiatry Service Patient Registry

NCT04480918
View directory record Official record
Conditions
Treatment Resistant Depression, Major Depressive Episode, Major Depression, Major Depressive Disorder, Bipolar Disorder, Bipolar Depression, Obsessive-Compulsive Disorder
Interventions
Electroconvulsive Therapy (ECT), Transcranial Magnetic Stimulation (TMS), Ketamine, Esketamine, Deep Transcranial Magnetic Stimulation (dTMS)
Device · Drug
Lead sponsor
Mark Niciu
Other
Eligibility
18 Years to 99 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2050
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 18, 2026, 7:56 PM EDT
Active, not recruiting Phase 3 Interventional

Intranasal Ketamine as an Adjunct to Fentanyl for the Prehospital Treatment of Acute Traumatic Pain

NCT02866071
View directory record Official record
Conditions
Acute Traumatic Pain
Interventions
Ketamine Hydrochloride, Placebo-Comparator
Drug
Lead sponsor
Jason McMullan
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2022 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Intranasal Ketamine Versus Intramuscular Ketamine for Procedural Sedation in Pediatric Patients

NCT01170247
View directory record Official record
Conditions
Sedation
Interventions
Ketamine
Drug
Lead sponsor
University of Iowa
Other
Eligibility
2 Years to 17 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 18, 2026, 7:56 PM EDT
Terminated Early Phase 1 Interventional

Intranasal Ketamine for Pediatric Procedural Sedation: a Feasibility Study

NCT03067974
View directory record Official record
Conditions
Failed Moderate Sedation During Procedure, Ketamine Adverse Reaction
Interventions
Ketamine Hcl 100Mg/Ml Inj
Drug
Lead sponsor
University of Arizona
Other
Eligibility
2 Years to 7 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 27, 2019 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessing the Effects of a Nasal Corticosteroid on PMI-150 (Intranasal Ketamine)

NCT00662883
View directory record Official record
Conditions
Healthy
Interventions
PMI-150 (intranasal ketamine HCl); mometasone furoate
Drug
Lead sponsor
Javelin Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 21, 2008 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Completed Phase 1 Interventional

Study of Intranasal Ketamine for Social Impairment in Autism Spectrum Disorder

NCT02611921
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Ketamine, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 30 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 18, 2026, 7:56 PM EDT
Withdrawn Early Phase 1 Interventional

Intranasal Ketamine for Suicidal Ideation in Veterans

NCT03788694
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Ketamine
Drug
Lead sponsor
Bronx Veterans Medical Research Foundation, Inc
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 6, 2023 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Terminated Phase 4 Interventional Results available

Intranasal Versus Intravenous Ketamine for Procedural Sedation in Children With Non-operative Fractures

NCT03781817
View directory record Official record
Conditions
Trauma, Fractures, Closed, Children, Only, Deep Sedation, Ketamine
Interventions
Intravenous Ketamine, Intranasal Ketamine
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Year to 18 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Sep 18, 2026, 7:56 PM EDT
Completed Phase 4 Interventional Results available

A Study of Brexpiprazole Plus Ketamine in Treatment-Resistant Depression (TRD)

NCT03149991
View directory record Official record
Conditions
Depression
Interventions
Brexpiprazole, Ketamine, Placebo
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
Garden Grove, California • Oakland, California • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2020 · Synced Sep 18, 2026, 7:56 PM EDT
Recruiting No phase listed Observational

The OBSERVE Protocol

NCT06725277
View directory record Official record
Conditions
Major Depression Disorder
Interventions
Spravato, IV Ketamine
Drug
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
8
States / cities
Milford, Connecticut • New Haven, Connecticut • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 18, 2026, 7:56 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

"THINK Trial: Treatment of Headache With IntraNasal Ketamine: A Randomized Controlled Trial Evaluating the Efficacy of Intranasal Ketamine Versus Standard Therapy in the Management of Primary Headache Syndromes in the Emergency Department"

NCT03081416
View directory record Official record
Conditions
Headache, Intranasal Ketamine
Interventions
Ketamine, Normal saline, Metoclopramide, Ketorolac, Dexamethasone, Benadryl
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Sep 18, 2026, 7:56 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

IN Ketamine Vs IN Midazolam and Fentanyl for Abscess I&D

NCT02635282
View directory record Official record
Conditions
Abscess, Pain
Interventions
intranasal ketamine, intranasal fentanyl, intranasal midazolam
Drug
Lead sponsor
University of Tennessee
Other
Eligibility
3 Years to 17 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Enrolling by invitation Not applicable Interventional

Psychotherapy Combined With Intranasal Esketamine for the Treatment of Suicidal Ideation

NCT07396220
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Naturalistic Intranasal Esketamine, Brief Cognitive Behavioral Therapy for Suicide Prevention
Other · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM 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 18, 2026, 7:56 PM EDT
Not listed Phase 4 Interventional

Ketamine v. Ketorolac for Management of Generalized Tension Type Headache

NCT03221569
View directory record Official record
Conditions
Migraine
Interventions
Intravenous ketamine, Ketorolac, Normal saline
Drug
Lead sponsor
The Brooklyn Hospital Center
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Sep 18, 2026, 7:56 PM EDT