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Showing 1–24 of 127 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Delirium, Post-Operative Clear all
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 Sep 9, 2026, 7:54 AM EDT
Completed Phase 2 Interventional Results available

The Impact of Ketamine on Postoperative Cognitive Dysfunction, Delirium, and Renal Dysfunction

NCT02554253
View directory record Official record
Conditions
Cognitive Disorders, Delirium, Acute Kidney Injury
Interventions
Ketamine, Propofol
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
75 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Sep 9, 2026, 7:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Investigation of an Eye-Tracking Device as a Predictor of Delirium in the Recovery Room After Surgery With General Anesthesia

NCT05579093
View directory record Official record
Conditions
Delirium
Interventions
Cognitive test + Pupillary measure
Combination Product
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
325 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 23, 2023 · Synced Sep 9, 2026, 7:54 AM EDT
Not listed Phase 2 Interventional

Study to Determine if Pre- and Post- Operative TAP Catheters With Ropivacaine Versus Placebo Affects Anesthetic, Narcotic Dosing, and Pain Scores

NCT03149783
View directory record Official record
Conditions
Pain, Postoperative, Delirium, Anesthesia, Local
Interventions
Ropivacaine HCL, sodium chloride
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
50 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Sep 9, 2026, 7:54 AM EDT
Completed No phase listed Observational

Effect of Duration of Exposure of Anesthesia With Sevoflurane on Emergence Delirium

NCT02509221
View directory record Official record
Conditions
Delirium on Emergence
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
1 Year to 6 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2023 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Phase 4 Interventional Results available

Preventing Post-Operative Delirium in Patients Undergoing a Pneumonectomy, Esophagectomy or Thoracotomy

NCT02213900
View directory record Official record
Conditions
Delirium, Cognitive Impairment, Post-traumatic Stress Disorder, Depression, Anxiety
Interventions
Haloperidol, Placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2017 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Not applicable Interventional Results available

The Effect of Depth of Anesthesia as Measured by Bispectral Index (BIS) on Emergence Agitation in Children

NCT00990769
View directory record Official record
Conditions
Emergence Agitation
Interventions
Depth of anesthesia
Other
Lead sponsor
Duke University
Other
Eligibility
2 Years to 8 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Phase 3 Interventional

PANDORA: Delirium Prevention After Cardiac Surgery Using IV Acetaminophen to Prevent Postoperative Delirium in Older Cardiac Surgical Patients

NCT04093219
View directory record Official record
Conditions
Delirium in Old Age, Delirium, Coronary Artery Disease
Interventions
IV acetaminophen, Placebo
Drug · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Birmingham, Alabama • Irvine, California • Los Angeles, California + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cerebral Oxygenation in Total Hip Arthroplasty Patients

NCT02325154
View directory record Official record
Conditions
Cerebral Oxygen Desaturation, Post-operative Delirium
Interventions
Cerebral Oximeter
Device
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 26, 2024 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Phase 3 Interventional Results available

Dexmedetomidine as a Rapid Bolus in Children for Emergence Agitation

NCT01528891
View directory record Official record
Conditions
Tonsillectomy
Interventions
Dexmedetomidine, Placebo
Drug · Other
Lead sponsor
Peter Davis
Other
Eligibility
4 Years to 10 Years
Enrollment
418 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2018 · Synced Sep 9, 2026, 7:54 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 Sep 9, 2026, 7:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Peri-Anesthetic Imaging of Cognitive Dysfunction

NCT01322672
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction, Delirium, Dementia, Neurotoxicity
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
65 Years to 95 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Emergence Agitation and Pain Scores in Pediatrics When Comparing Single-modal vs Multi-modal Analgesia for ENT Surgery

NCT03062488
View directory record Official record
Conditions
Emergence Agitation, Pain
Interventions
IV acetaminophen, Fentanyl, PO acetaminophen
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
24 Months to 7 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 9, 2026, 7:54 AM EDT
Recruiting Not applicable Interventional

Effects of Transcutaneous Vagal Nerve Stimulation on Post-Surgical Return to Consciousness, Delirium, and Depression

NCT07610655
View directory record Official record
Conditions
Post Operative Delirium, Cognitive Impairment, Vagus Nerve Stimulation, Depression
Interventions
Transcutaneous vagal nerve stimulation, Sham (No Treatment)
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 9, 2026, 7:54 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

A Comparison of Two Pain Control Techniques on Deliruim in Hip Fracture Patients

NCT01547468
View directory record Official record
Conditions
Hip Fracture
Interventions
Femoral Nerve Catheterization, Intravenous Opioids
Procedure
Lead sponsor
Leslie Thomas
Other
Eligibility
50 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 26, 2022 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of Monochromatic Light on Incidence of Emergence Delirium in Children

NCT03285243
View directory record Official record
Conditions
Emergence Delirium, Anesthesia Emergence Delirium
Interventions
Monochromatic blue light
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
2 Years to 6 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Sep 9, 2026, 7:54 AM EDT
Recruiting Phase 3 Interventional

The SCOPE Trial: Sleep, Cognition, and Pain Bundle vs. ERAS-cardiac for Postoperative Delirium

NCT06721819
View directory record Official record
Conditions
Delirium, Postoperative, Delirium in Old Age
Interventions
Sleep Hygiene, Brain Game, and IV Acetaminophen Intervention, Control
Combination Product · Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
406 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Not applicable Interventional

Cognitive Training for the Prevention of Postoperative Delirium

NCT02963961
View directory record Official record
Conditions
Delirium
Interventions
Preoperative Cognitive Training Battery
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
60 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 23, 2021 · Synced Sep 9, 2026, 7:54 AM EDT
Completed Phase 2 Interventional Results available

Supporting the Health of Adults Undergoing Orthopedic Surgery During the Recovery Period

NCT00586196
View directory record Official record
Conditions
Delirium
Interventions
donepezil, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
70 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 21, 2014 · Synced Sep 9, 2026, 7:54 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Confusion in the Elderly After Colon Surgery

NCT01623297
View directory record Official record
Conditions
Confusion, Inflammation, Acute Phase Reaction, Surgery, Delirium
Interventions
Not listed
Lead sponsor
New York Hospital Queens
Other
Eligibility
65 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Jun 18, 2012 · Synced Sep 9, 2026, 7:54 AM EDT
Terminated Not applicable Interventional

iPad for Post Operative Pain After Tonsillectomy

NCT07770529
View directory record Official record
Conditions
Pain
Interventions
iPad, Intervention Control
Device · Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
3 Years to 10 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 9, 2026, 7:54 AM EDT
Terminated Phase 4 Interventional Results available

Post Anesthesia Emergence and Behavioral Changes in Children Undergoing MRI

NCT02111447
View directory record Official record
Conditions
Delirium on Emergence
Interventions
Propofol, Sevoflurane, Isoflurane
Drug
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
2 Years to 12 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 22, 2019 · Synced Sep 9, 2026, 7:54 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 Sep 9, 2026, 7:54 AM EDT
Completed Phase 4 Interventional Results available

Suvorexant and Sleep/Delirium in ICU Patients

NCT04092894
View directory record Official record
Conditions
Insomnia, Sleep Fragmentation, Sleep Initiation and Maintenance Disorders, Postoperative Delirium
Interventions
Suvorexant 20 mg, Placebo oral tablet
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Sep 9, 2026, 7:54 AM EDT