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ClinicalTrials.gov public records Last synced Oct 21, 2026, 10:14 AM EDT

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Showing 49–72 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Delirium Confusional State Clear all
Completed Phase 4 Interventional Results available

Dexmedetomidine and IV Acetaminophen for the Prevention of Postoperative Delirium Following Cardiac Surgery

NCT02546765
View directory record Official record
Conditions
Delirium
Interventions
IV acetaminophen & IV propofol, IV acetaminophen & IV dexmedetomidine, IV propofol & placebo, IV dexmedetomidine & placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2020 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 4 Interventional Results available

Perioperative Cognitive Function - Dexmedetomidine and Cognitive Reserve

NCT00561678
View directory record Official record
Conditions
Postoperative Delirium, PD, Postoperative Cognitive Dysfunction, POCD
Interventions
Precedex (Dexmedetomidine), Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
68 Years and older
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
10
States / cities
Miami, Florida • Baltimore, Maryland • College Park, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Not applicable Interventional

VoiceLove Digital Therapy for Delirium in the ICU

NCT07218484
View directory record Official record
Conditions
Delirium
Interventions
VoiceLove therapy
Behavioral
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Terminated Not applicable Interventional Results available

Prevention of Delirium After Bone Marrow Transplantation

NCT01700816
View directory record Official record
Conditions
Delirium
Interventions
Bright light therapy, Sham light
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 90 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Not applicable Interventional

Neurosteer Bedside Monitoring System

NCT06718764
View directory record Official record
Conditions
Delirium, Sedation, Agitation
Interventions
Neurosteer's single-channel EEG monitoring device
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Active, not recruiting Not applicable Interventional

Benzodiazepine-free Cardiac Anesthesia for Reduction of Postoperative Delirium

NCT03928236
View directory record Official record
Conditions
Delirium, Post-cardiac Surgery
Interventions
Limited Intraoperative Benzodiazepine, Liberal Intraoperative Benzodiazepine
Other
Lead sponsor
Population Health Research Institute
Other
Eligibility
18 Years and older
Enrollment
15,886 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
2
States / cities
St Louis, Missouri • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 2 Interventional Results available

TXA in Spinal Fusion

NCT04272606
View directory record Official record
Conditions
Degenerative Disc Disease
Interventions
Tranexamic Acid, Saline Solution, Visual Acuity Exam, 3 Minute Diagnostic Interview for Confusion Assessment Method (3D-CAM)
Drug · Diagnostic Test
Lead sponsor
Catherine R. Olinger
Other
Eligibility
18 Years to 90 Years
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 12, 2024 · Synced Oct 21, 2026, 10:14 AM EDT
Withdrawn Not applicable Interventional

Hepatic Encephalopathy: Lactulose or Polyethylene Glycol (H.E.L.P.)

NCT01923376
View directory record Official record
Conditions
Hepatic Encephalopathy, HE, Cirrhosis, Altered Mental Status, AMS
Interventions
Lactulose, Polyethylene Glycol 3350
Drug
Lead sponsor
New York Presbyterian Brooklyn Methodist Hospital
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Oct 21, 2026, 10:14 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Efficacy of Quetiapine for Pediatric Delirium

NCT02056171
View directory record Official record
Conditions
Delirium
Interventions
quetiapine, Placebo
Drug · Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
1 Year to 22 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 13, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional

ACT-ICU Study: Activity and Cognitive Therapy in the Intensive Care Unit

NCT01270269
View directory record Official record
Conditions
Brain Injuries, Dementia, Myopathies, Muscle Disorders
Interventions
Behavioral: Physical and functional rehabilitation, Behavioral: Cognitive, physical, & functional rehabilitation
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 3, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational

Cholinesterase Activity and DeliriUm During Critical Illness Study

NCT03098472
View directory record Official record
Conditions
Delirium, Cognitive Impairment
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 11, 2022 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional

Shaping Anesthetic Techniques to Reduce Post-operative Delirium

NCT03133845
View directory record Official record
Conditions
Delirium, Lumbar Radiculopathy, Lumbar Osteoarthritis, Lumbar Spine Disc Degeneration
Interventions
Light sedation with propofol, Induction with propofol, Maintenance anesthetic using a volatile anesthetic, Muscle relaxant during maintenance anesthesia, Pain control with fentanyl, Bispectral Index (BIS) monitoring for depth of anesthesia, Spinal Anesthesia, Midazolam administered during spinal anesthesia, Cerebrospinal fluid collection, Administration of intrathecal morphine
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Phase 3 Interventional

Sevoflurane/Dexmedetomidine vs. Isoflurane for Pediatric Emergence Delirium

NCT06624592
View directory record Official record
Conditions
Delirium on Emergence
Interventions
Sevoflurane, Isoflurane
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
2 Years to 7 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Managing Agitated Delirium With Neuroleptics and Anti-Epileptics as a Neuroleptic Sparing Strategy

NCT05431595
View directory record Official record
Conditions
Delirium, Epileptics, Neuroleptics
Interventions
Haloperidol, Chlorpromazine, Valproate, Placebo
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 21, 2026, 10:14 AM EDT
Completed No phase listed Observational Results available

Prevalence of Thiamine Deficiency in Hospitalized Non-Alcoholic Veterans

NCT05480943
View directory record Official record
Conditions
Thiamine Deficiency, Thiamine Deficiency; Sequelae
Interventions
Thiamine repletion
Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Not listed Not applicable Interventional

Delirium Screening of the Elderly in the Emergency Department

NCT02801851
View directory record Official record
Conditions
Delirium
Interventions
SCREEN-ED
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
65 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 19, 2016 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Phase 3 Interventional Results available

A Placebo Controlled Trial Of L-Tryptophan In Post-Operative Delirium

NCT00865202
View directory record Official record
Conditions
Post-operative Delirium
Interventions
L-tryptophan supplementation, placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
60 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Melatonin Use in the Intensive Care Elderly Population

NCT03013790
View directory record Official record
Conditions
Delirium, Melatonin
Interventions
Melatonin
Drug
Lead sponsor
MICE Trial Group
Other
Eligibility
65 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pueblo, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting Phase 1Phase 2 Interventional

Total Intravenous Anesthesia vs Spinal Anesthesia in Patients Undergoing Unilateral Primary Total Knee Arthroplasty

NCT07672301
View directory record Official record
Conditions
Total Knee Arthroplasty (TKA)
Interventions
Total IntraVenous Anesthesia (TIVA), Spinal-Block, Electroencephalogram (EEG)
Combination Product · Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 21, 2026, 10:14 AM EDT
Not listed Not applicable Interventional

Transcranial Direct Current Stimulation for the Treatment of Delirium

NCT03256500
View directory record Official record
Conditions
Delirium, Confusion
Interventions
Transcranial Direct Current Stimulation
Device
Lead sponsor
North Florida/South Georgia Veterans Health System
Other
Eligibility
21 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Results available

Short-term Atorvastatin's Effect on Acute Kidney Injury Following Cardiac Surgery

NCT00791648
View directory record Official record
Conditions
Acute Kidney Injury, Post-Operative Delirium, Icu Delirium, Acute Renal Failure, Delirium
Interventions
atorvastatin, placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
653 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Oct 21, 2026, 10:14 AM EDT
Terminated Phase 4 Interventional Results available

Use of Transdermal Clonidine in Trauma Patients

NCT01139996
View directory record Official record
Conditions
Delirium
Interventions
Clonidine, Placebo
Drug
Lead sponsor
Memorial Health University Medical Center
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 21, 2026, 10:14 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prophylactic Olanzapine Versus Placebo for Prevention of Postoperative Delirium After Joint Replacement Surgery

NCT00699946
View directory record Official record
Conditions
Delirium
Interventions
olanzapine, placebo
Drug
Lead sponsor
The New England Baptist Hospital
Other
Eligibility
65 Years and older
Enrollment
495 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 21, 2009 · Synced Oct 21, 2026, 10:14 AM EDT
Recruiting No phase listed Observational

Ceribell Delirium Data Collection Study

NCT04962815
View directory record Official record
Conditions
Delirium
Interventions
Electroencephalogram (EEG) Test
Device
Lead sponsor
Ceribell Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Timeline
2021 – 2026
U.S. locations
7
States / cities
Stanford, California • Naples, Florida • Iowa City, Iowa + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2025 · Synced Oct 21, 2026, 10:14 AM EDT