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Showing 1–24 of 304 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Delirium Confusional State Clear all
Terminated Phase 3 Interventional Accepts healthy volunteers

Role of Absolute Cerebral Oximetry to Prevent Neurocognitive Injury in Elderly Patients Undergoing Cardiac Surgery

NCT00991328
View directory record Official record
Conditions
Post-Operative Delirium, Postoperative Cognitive Dysfunction
Interventions
SctO2 < 60 %.
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 15, 2016 · Synced Jul 24, 2026, 4:06 AM EDT
Terminated Not applicable Interventional

TSA Exercise Prehabilitation in Older Adults

NCT03212300
View directory record Official record
Conditions
Postoperative Delirium and Delayed Functional Recovery
Interventions
Aerobic Exercise Training (AET)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
55 Years to 75 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Phase 4 Interventional Results available

Markers of Alzheimers Disease and Cognitive Outcomes After Perioperative Care

NCT01993836
View directory record Official record
Conditions
Alzheimers Disease, Postoperative Delirium, Post Operative Cognitive Dysfunction
Interventions
Total intravenous anesthesia with propofol, General anesthesia with isoflurane
Drug
Lead sponsor
Duke University
Other
Eligibility
60 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 21, 2023 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional Results available

Effect of CPAP on Postoperative Delirium

NCT01816685
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Delirium
Interventions
CPAP
Device
Lead sponsor
Duke University
Other
Eligibility
50 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 30, 2015 · Synced Jul 24, 2026, 4:06 AM EDT
Withdrawn Phase 4 Interventional

Decreasing the Incidence of Delirium After Cardiac Surgery

NCT02119806
View directory record Official record
Conditions
C.Surgical Procedure; Cardiac, Delirium
Interventions
Benzodiazepine, Fentanyl, Propofol
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2018 · Synced Jul 24, 2026, 4:06 AM EDT
Withdrawn Phase 4 Interventional

Melatonin for Prevention of Post- Operative Delirium Pilot Study Protocol

NCT02903901
View directory record Official record
Conditions
Delirium
Interventions
Melatonin, Placebo
Drug
Lead sponsor
Loyola University
Other
Eligibility
65 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 15, 2016 · Synced Jul 24, 2026, 4:06 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Extended Emergence Strategy on Post-Anesthesia Care Unit Events After Outpatient Orthopedic Surgery

NCT07533370
View directory record Official record
Conditions
Perioperative Care, EEG Power Spectra, Delirium - Postoperative
Interventions
Standard of Care EEG-Guided Emergence, Extended EEG Emergence Trajectory
Procedure
Lead sponsor
Harrison Shong-Wen Chow
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 24, 2026, 4:06 AM EDT
Suspended Not applicable Interventional

Post-Stroke Enhancement of Delirium Outcomes With Reduction in Neuro-checks

NCT06038136
View directory record Official record
Conditions
Stroke, Acute, Stroke, Ischemic, Delirium, Neuro: Cerebrovascular Accident
Interventions
Decreased Neuro Checks overnight
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
538 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Jul 24, 2026, 4:06 AM EDT
Completed No phase listed Observational

Awakening-Breathing Coordination, Delirium Monitoring/Management & Early Mobility (ABCDE) Protocol

NCT01413009
View directory record Official record
Conditions
ICU Delirium, Immobility
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Jul 24, 2026, 4:06 AM EDT
Completed No phase listed Observational

Implementation of an Analgesia-sedation Algorithm in the Pediatric ICU to Reduce Benzodiazepine Use

NCT04263662
View directory record Official record
Conditions
Mechanical Ventilation, Sedation
Interventions
Analgesia-Sedation algorithm
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 25 Years
Enrollment
680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Jul 24, 2026, 4:06 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Interventions for Postoperative Delirium: Biomarker-3

NCT03124303
View directory record Official record
Conditions
Delirium
Interventions
High Density-Electroencephalogram, Magnetic Resonance Imaging, Blood specimen collection, Pupillometry
Procedure · Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
468 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional

Taking Brain Monitoring to the Next Level

NCT04246320
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction, Postoperative Delirium, Obstructive Sleep Apnea
Interventions
Goal directed therapy (GDT)
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
45 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Jul 24, 2026, 4:06 AM EDT
Terminated Phase 3 Interventional Results available

A Study of Lanabecestat (LY3314814) in Participants With Mild Alzheimer's Disease Dementia

NCT02783573
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Lanabecestat, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
55 Years to 85 Years
Enrollment
1,722 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
90
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 73 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Jul 24, 2026, 4:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Postoperative Delirium in Cardiac Surgery

NCT02688179
View directory record Official record
Conditions
Delirium, Cardiac Surgery
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 16, 2018 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Earplugs and Eye Masks for Reducing Delirium

NCT03471520
View directory record Official record
Conditions
Delirium, Hospital Acquired Condition
Interventions
Earplugs and eye masks
Behavioral
Lead sponsor
Duke University
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2021 · Synced Jul 24, 2026, 4:06 AM EDT
Terminated Phase 3 Interventional Results available

Prevention of Delirium in Inpatients Utilizing Melatonin

NCT02654314
View directory record Official record
Conditions
Delirium
Interventions
Melatonin, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
65 Years and older
Enrollment
277 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional

e-CHAMP: Enhancing Care for Hospitalized Older Adults With Memory Problems

NCT00182832
View directory record Official record
Conditions
Cognitive Impairment, Delirium
Interventions
e-CHAMP (Enhancing Care for Hospitalized Older Adults with Cognitive Impairment), Standard Care
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
65 Years and older
Enrollment
424 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Jul 24, 2026, 4:06 AM EDT
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 8, 2020 · Synced Jul 24, 2026, 4:06 AM EDT
Completed No phase listed Observational

Ketamine Infusion as Sedative Analgesic in Severe ARDS

NCT04818827
View directory record Official record
Conditions
Intensive Care Unit Syndrome, Mechanical Ventilation Complication, Sedatives and Hypnotics Causing Adverse Effects in Therapeutic Use, Delirium
Interventions
Not listed
Lead sponsor
Interfaith Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Perioperative Cognitive Protection - Cognitive Exercise and Cognitive Reserve (The Neurobics Trial)

NCT02230605
View directory record Official record
Conditions
Delirium
Interventions
Mini-Mental State Examination, Self-Administered Gerocognitive Examination, Geriatric Depression Scale, Charlson Comorbidity Index, Short Form 36 Health Survey, Confusion Assessment Method, Memorial Delirium Assessment Scale, Postoperative Quality of Recovery Scale
Other
Lead sponsor
Ohio State University
Other
Eligibility
60 Years and older
Enrollment
322 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Jul 24, 2026, 4:06 AM EDT
Completed No phase listed Observational

Pain Assessment in the Intensive Care Unit

NCT01628185
View directory record Official record
Conditions
Delirium, Critical Illness
Interventions
Repositioning
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 16, 2015 · Synced Jul 24, 2026, 4:06 AM EDT
Completed Not applicable Interventional

Postoperative Delirium in Patients Undergoing Radical Cystectomy

NCT03132168
View directory record Official record
Conditions
Post-operative Delirium
Interventions
Assessments, Blood Draw, Standardized Anesthetic Care
Behavioral · Procedure · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Jul 24, 2026, 4:06 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Determinants of Implementation Success Coordinating Ventilator, Early Ambulation and Rehabilitation Efforts

NCT04249141
View directory record Official record
Conditions
Implementation Science, Delirium, Intensive Care Unit Acquired Weakness, Pain, Sedation Complication, Mechanical Ventilation Complication
Interventions
Survey and concept mapping
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 100 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 15, 2023 · Synced Jul 24, 2026, 4:06 AM EDT
Recruiting Phase 4 Interventional

Propofol-Only Versus Dexmedetomidine-Propofol in Children Undergoing Magnetic Resonance Imaging

NCT07369128
View directory record Official record
Conditions
MRI Sedation, Pediatric Sedation, Propofol Dosage, Emergence Delirium, Anesthesia, Recovery Time, Dexmedetomidine
Interventions
Dexmedetomidine (IV) 0.5 mcg/kg, Propofol (IV) 2-4 mg/kg, Dexmedetomidine (IV) 1 mcg/kg, Propofol (IV) 1-2 mg/kg, Propofol (IV) Infusion 250 mcg/kg/min, Propofol (IV) Infusion 150 mcg/kg/min
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Year to 12 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 24, 2026, 4:06 AM EDT