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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ketamine maintenance Clear all
Suspended Phase 2 Interventional

Randomized, Double-Blind, Active Placebo-Controlled Study of Ketamine to Treat Levodopa-Induced Dyskinesia

NCT04912115
View directory record Official record
Conditions
Dyskinesias, Movement Disorders, Central Nervous System Diseases, Nervous System Diseases, Neurologic Manifestations
Interventions
Ketamine, Midazolam
Drug
Lead sponsor
PharmaTher Inc.
Industry
Eligibility
30 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
7
States / cities
Tucson, Arizona • Chula Vista, California • Fountain Valley, California + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Ketamine for Endoscopic Sedation in Outpatient Adult Endoscopy.

NCT03461718
View directory record Official record
Conditions
Administration and Dosage of Ketamine, Endoscopic Sedation
Interventions
Ketamine, Midazolam injection, Fentanyl
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 7, 2026, 1:17 PM EDT
Terminated Phase 4 Interventional

Multimodal Analgesia vs. Routine Care Pain Management for Lumbar Spine Fusion Surgery: A Prospective Randomized Study

NCT02202369
View directory record Official record
Conditions
Single Level Lumbar Decompression and Fusion Spine Surgery
Interventions
Multimodal Analgesia Treatment, Standard of Care Pain Management Protocol
Other
Lead sponsor
OrthoCarolina Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 7, 2026, 1:17 PM 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 7, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventative Delirium Protocol in Elderly Patients

NCT03541408
View directory record Official record
Conditions
Delirium
Interventions
Control, Preventative Delirium Protocol
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Sep 7, 2026, 1:17 PM EDT
Withdrawn Phase 1 Interventional

A Study to Assess Feasibility of Using Clinician-directed and Digital Application Supported Cognitive Behavior Therapy (CBT) in Conjunction With Esketamine in Participants With Treatment-resistant Depression

NCT05268497
View directory record Official record
Conditions
Depression
Interventions
Esketamine, Cognitive Behavioral Therapy (CBT), Antidepressant
Drug · Behavioral
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
New Haven, Connecticut • Chicago, Illinois • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Not applicable Interventional Results available

Real-time Decision Support for Postoperative Nausea and Vomiting (PONV) Prophylaxis

NCT02625181
View directory record Official record
Conditions
Postoperative Nausea and Vomiting
Interventions
Automated recommendation at the start of the case, Automated notification at the start of surgery, Preoperative recommendations: by email, Automated notification at the end of surgery, Anesthesia Information Management System (AIMS), Perioperative Data Warehouse (PDW), General anesthesia, Elective surgery, Propofol, Sevoflurane, Isoflurane, Desflurane, Scopolamine, Droperidol, Haloperidol, Dexamethasone, Promethazine, Meclizine, Aprepitant, Metoclopramide, Fentanyl, Sufentanil, Alfentanil, Remifentanil, Morphine, Meperidine, Hydromorphone, Methadone, Oxycodone, Oxymorphone, Hydrocodone, Ketamine, Ondansetron, Granisetron, Dolasetron mesylate, Palonosetron, Tropisetron, Ramosetron
Procedure · Device · Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
27,034 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Position and Anesthetic Choice in Intraocular Pressure in Robotic GYN (Gynecologic) Oncology Patients

NCT04281017
View directory record Official record
Conditions
Intraocular Pressure, Oncology
Interventions
TIVA, Balanced anesthesia
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 22, 2026 · Synced Sep 7, 2026, 1:17 PM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Assessing Covert Consciousness During Dexmedetomidine and Ketamine Sedation: An fMRI Study

NCT07705022
View directory record Official record
Conditions
Healthy, Covert Consciousness
Interventions
Dexmedetomidine (+propofol as indicated), Ketamine
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 7, 2026, 1:17 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Effects Of PF-02545920 On Ketamine-Induced Abnormal Prefrontal Brain Response To Associative Learning In Healthy Subjects

NCT01244880
View directory record Official record
Conditions
Healthy
Interventions
Saline, PF-02545920, Ketamine, Placebo
Other · Drug
Lead sponsor
Pfizer
Industry
Eligibility
21 Years to 45 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
3
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2014 · Synced Sep 7, 2026, 1:17 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Combined Ketamine/Propofol for Emergency Department Procedural Sedation

NCT01126957
View directory record Official record
Conditions
Procedural Sedation and Analgesia
Interventions
Ketamine, Placebo, Fentanyl, Propofol
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
1 Year and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 23, 2023 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Nicotinic Modulation of Schizophrenia-like Information Processing Deficits in Healthy Subjects

NCT00690170
View directory record Official record
Conditions
Healthy Subjects
Interventions
Ketamine, Nicotine, Placebo, Ketamine and Nicotine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2009
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Sep 7, 2026, 1:17 PM EDT
Withdrawn Phase 4 Interventional

Remifentanil Plus Ketamine for Dynamic Flexible Bronchoscopy

NCT03613792
View directory record Official record
Conditions
Bronchoscopy
Interventions
Remifentanil, Fentanyl, Midazolam, Ketamine
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Ketamine Tolerated Dose for Postpartum Depression and Pain After Cesarean Delivery (PREPARE 1)

NCT05907213
View directory record Official record
Conditions
Pain, Postoperative, Depression, Postpartum
Interventions
Ketamine (Ketalar) Dose Level 1, Ketamine (Ketalar) Dose Level 2, Ketamine (Ketalar) Dose Level 3, Ketamine (Ketalar) Dose Level 4
Drug
Lead sponsor
Grace Lim, MD, MS
Other
Eligibility
18 Years and older · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 7, 2026, 1:17 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Effectiveness of Bupivacaine, Ketorolac, Ketamine, vs Bupivacaine Alone in Reducing Postoperative Pocket Pain

NCT05575999
View directory record Official record
Conditions
Pain Management
Interventions
Bupivacaine alone OR Bupivacaine-Ketorolac-Ketamine (BKK) Combination
Drug
Lead sponsor
Kansas City Heart Rhythm Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
3
States / cities
Loma Linda, California • Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Sep 7, 2026, 1:17 PM EDT
Enrolling by invitation Phase 3 Interventional Accepts healthy volunteers

GA + ESP vs. SA + ESP in Lumbar Decompression Surgeries

NCT05444751
View directory record Official record
Conditions
Lumbar Disc Herniation, Lumbar Disc Disease, Lumbar Radiculopathy
Interventions
General anesthetic, SA + ESP
Drug
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 80 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Sep 7, 2026, 1:17 PM EDT
Recruiting Phase 1Phase 2 Interventional

Prospective IR-led Sedation Feasibility

NCT07443254
View directory record Official record
Conditions
Anesthesia, Sedation and Analgesia, Interventional Radiology
Interventions
ketamine, Fentanyl (IV), Midazolam
Drug
Lead sponsor
CAMC Health System
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Not applicable Interventional

Combination Ketamine and Propofol vs Propofol for Emergency Department Sedation: A Prospective Randomized Trial

NCT01269307
View directory record Official record
Conditions
Sedation
Interventions
1:1 ketamine-propofol mixture sedation, Propofol Sedation
Procedure
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 11, 2014 · Synced Sep 7, 2026, 1:17 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 7, 2026, 1:17 PM EDT
Completed Phase 4 Interventional Results available

Alternative Sedation During Bronchoscopy

NCT01158820
View directory record Official record
Conditions
Sedation
Interventions
Dexmedetomidine load, Ketamine load, Midazolam load, Fentanyl load, Dexmedetomidine maintenance, Ketamine maintenance, Midazolam demand, Fentanyl demand, Benadryl demand
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 25, 2019 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effect of Opioid Free Anesthetic on Post-Operative Opioid Consumption After Laparoscopic Bariatric Surgery

NCT04081545
View directory record Official record
Conditions
Opioid Use, Unspecified, Bariatric Surgery Candidate, Anesthesia
Interventions
Opioid Anesthetics, Non Opioid Analgesics
Drug
Lead sponsor
Christine Oryhan
Other
Eligibility
18 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 1 Interventional

Biomarkers of Fast Acting Therapies in Major Depression

NCT02165449
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Ketamine
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Sedatives on Tobacco Use Disorder Version 2

NCT05505630
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Ketamine, Midazolam, Dexmedetomidine, Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Sep 7, 2026, 1:17 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Examine The Effects Of PF-04958242 On Ketamine-Induced Cognitive Impairment In Healthy Volunteers

NCT01749098
View directory record Official record
Conditions
Schizophrenia
Interventions
PF-04958242, Ketamine, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
21 Years to 45 Years · Male only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
2
States / cities
New Haven, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Sep 7, 2026, 1:17 PM EDT