Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 23, 2026, 10:19 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Ketamine Matched Placebo Clear all
Not yet recruiting Phase 3 Interventional

A Study of Intravenous L-Citrulline in Patients Aged 6-21 Years Old With Sickle Cell Disease Presenting to Emergency Departments in Acute Vaso-Occlusive Crisis

NCT06989567
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
L-citrulline, Placebo
Drug · Other
Lead sponsor
Asklepion Pharmaceuticals, LLC
Industry
Eligibility
6 Years to 21 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Coral Gables, Florida • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 23, 2026, 10:19 AM EDT
Completed Phase 4 Interventional Results available

Effect of Postoperative Single Dose of Ketamine on Pain After Mastectomy

NCT04831736
View directory record Official record
Conditions
Postoperative Pain
Interventions
Ketamine, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Sep 23, 2026, 10:19 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 23, 2026, 10:19 AM EDT
Terminated Phase 1 Interventional Results available

The Using Postoperative Ketamine and Exploring the Effect on Endometriosis Pain (UPKEEEP) Study

NCT05229653
View directory record Official record
Conditions
Endometriosis, Post Operative Pain
Interventions
Ketamine, Placebo
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Sep 23, 2026, 10:19 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 23, 2026, 10:19 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

Investigating the Analgesic Potential of (2R,6R)-HNK in Acute Pain in Healthy Volunteers

NCT07504601
View directory record Official record
Conditions
Healthy Volunteers
Interventions
(2R,6R)-Hydroxynorketamine, Placebo
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Sep 23, 2026, 10:19 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Ketamine for Postoperative Pain in Opioid Dependent Patients

NCT01591382
View directory record Official record
Conditions
Postoperative Pain
Interventions
Ketamine, Placebo, Hydromorphone PCA
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 21, 2017 · Synced Sep 23, 2026, 10:19 AM EDT
Completed Phase 4 Interventional Results available

Research Study for Major Depressive Disorder: Investigation of Glutamate Medications

NCT00419003
View directory record Official record
Conditions
Major Depression
Interventions
Lamotrigine, Ketamine, Riluzole
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
21 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Sep 23, 2026, 10:19 AM 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 23, 2026, 10:19 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 23, 2026, 10:19 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Effects of TAK-063 on Preventing Ketamine-Induced Brain Activity Changes as Well as Psychotic-Like Symptoms in Healthy Male Adults

NCT01892189
View directory record Official record
Conditions
Ketamine-Induced Brain Activity Changes, Psychotic-like Symptoms
Interventions
Ketamine, TAK-063, TAK-063 Placebo
Drug
Lead sponsor
Takeda
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 23, 2026, 10:19 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

The Sustained Effects of Ketamine

NCT02708849
View directory record Official record
Conditions
Mental Disorders
Interventions
Ketamine, Lamotrigine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 23, 2026, 10:19 AM EDT
Terminated Phase 4 Interventional Results available

Effect of Ketamine on Postoperative Clinical Outcomes

NCT01365195
View directory record Official record
Conditions
Colorectal Surgery
Interventions
Placebo, Ketamine high-dose, Ketamine low-dose
Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 23, 2026, 10:19 AM EDT
Not listed Phase 3 Interventional

A Study to Evaluate Efficacy and Safety of MELT-300 for Procedural Sedation in Subjects Undergoing Cataract Extraction With Lens Replacement (CELR)

NCT06383273
View directory record Official record
Conditions
Cataract
Interventions
MELT-300 sublingual tablet, Midalozam sublingual tablet, Placebo sublingual tablet
Drug
Lead sponsor
Melt Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
528 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
12
States / cities
Chico, California • Grand Junction, Colorado • Jacksonville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2024 · Synced Sep 23, 2026, 10:19 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 23, 2026, 10:19 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 23, 2026, 10:19 AM EDT
Terminated Phase 3 Interventional

Preventing pAIn With NMDA Antagonists - Steroids in Thoracoscopic lObectomy Procedures (PAIN-STOP) Pilot Trial

NCT02950233
View directory record Official record
Conditions
Pain, Postoperative
Interventions
NMDA active, Steroid active, NMDA placebo, Steroid placebo
Drug
Lead sponsor
Population Health Research Institute
Other
Eligibility
18 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 23, 2026, 10:19 AM EDT
Completed Phase 2 Interventional

A Study of MELT-300 (Midazolam and Ketamine Sublingual Tablets) for Sedation and Intraoperative Ocular Analgesia in Participants Undergoing Cataract Extraction With Lens Replacement (CELR)

NCT05133518
View directory record Official record
Conditions
Cataract
Interventions
MELT-300, Midazolam alone, Ketamine alone, Placebo
Drug
Lead sponsor
Melt Pharmaceuticals
Industry
Eligibility
55 Years and older
Enrollment
338 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Rancho Cordova, California • Jacksonville, Florida • West Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 18, 2022 · Synced Sep 23, 2026, 10:19 AM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Low-Dose Intravenous Ketamine for Adolescents With Depression and Suicidal Ideation in the Emergency Department

NCT05217706
View directory record Official record
Conditions
Depression, Suicidal Ideation
Interventions
Ketamine, normal Saline
Drug
Lead sponsor
Rady Children's Hospital, San Diego
Other
Eligibility
12 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Sep 23, 2026, 10:19 AM EDT
Completed Not applicable Interventional

Pre-Emptive Analgesia in Ano-Rectal Surgery

NCT02402543
View directory record Official record
Conditions
Hemorrhoids, Fissure in Ano, Rectal Fistula, Anal Condyloma
Interventions
Gabapentin, Ketamine, Acetaminophen, Dexamethasone, Placebo
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Burlington, Vermont • Colchester, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 23, 2026, 10:19 AM EDT
Recruiting Phase 2 Interventional

ACP-211 Monotherapy for Major Depressive Disorder With Inadequate Antidepressant Response

NCT07284667
View directory record Official record
Conditions
Major Depressive Disorder (MDD), Depressive Disorder, Treatment-Resistant
Interventions
ACP-211, Placebo
Drug
Lead sponsor
ACADIA Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
26
States / cities
Birmingham, Alabama • Chino, California • Glendale, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2026 · Synced Sep 23, 2026, 10:19 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 23, 2026, 10:19 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 23, 2026, 10:19 AM EDT
Withdrawn Phase 2 Interventional

Intramuscular Ketamine for Suicidal Ideation

NCT05105061
View directory record Official record
Conditions
Suicidal Ideation
Interventions
Ketamine (Ketalar), Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 23, 2026, 10:19 AM EDT