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Showing 1–24 of 76 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Postoperative Cognitive Decline Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Neuroinflammation and Alzheimer's Pathology in POCD

NCT05378659
View directory record Official record
Conditions
Post-Operative Confusion, Neuroinflammatory Response, Alzheimer Disease
Interventions
Montreal Cognitive Assessment, Stroop Test, 4AT Delirium, Grooved Pegboard, NACC Cognitive Battery, ERP Testing, Blood Plasma and Serum sampling, Cerebral Spinal Fluid Sample
Behavioral · Diagnostic Test
Lead sponsor
University of Tennessee Graduate School of Medicine
Other
Eligibility
60 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational

BRS and Outcomes in Cardiothoracic Surgery

NCT03243279
View directory record Official record
Conditions
Pain, Postoperative, Atrial Fibrillation, Cognitive Dysfunction
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 20, 2022 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stanford ICU Delirium PIPRA Study

NCT06519890
View directory record Official record
Conditions
Delirium, Cognitive Impairment, Delirium, Postoperative
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 8, 2024 · Synced Jul 22, 2026, 11:55 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Improving Surgical Safety of Seniors Through Preoperative Cognitive Screening

NCT02570438
View directory record Official record
Conditions
Cognitive Impairment
Interventions
Not listed
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts • Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 14, 2021 · Synced Jul 22, 2026, 11:55 AM EDT
Recruiting No phase listed Observational

Sleep and Circadian Rhythm Biomarkers of Postoperative Delirium

NCT06052397
View directory record Official record
Conditions
Delirium, Postoperative, Cognitive Decline, Dementia
Interventions
Not listed
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
70 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational

Optimizing Postoperative Cognition the Elderly

NCT02650687
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction, POCD
Interventions
Processed EEG
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
65 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 22, 2020 · Synced Jul 22, 2026, 11:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reconstructing Consciousness and Cognition

NCT01911195
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
ISOFLURANE- Experimental Arm, Control Group: Cognitive Testing
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
20 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
3
States / cities
Ann Arbor, Michigan • St Louis, Missouri • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Jul 22, 2026, 11:55 AM EDT
Recruiting Phase 2 Interventional

Daridorexant to Prevent Post-cardiotomy Delirium

NCT07217912
View directory record Official record
Conditions
Postoperative Cognitive Decline, Postoperative Delirium
Interventions
Daridorexant 50 mg, Placebo
Drug · Other
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 22, 2026, 11:55 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 Jul 22, 2026, 11:55 AM EDT
Completed Phase 4 Interventional

Donepezil in the Prevention of Post-Operative Cognitive Decline

NCT00182845
View directory record Official record
Conditions
Postoperative Complications, Delirium
Interventions
Donepezil
Drug
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 2, 2008 · Synced Jul 22, 2026, 11:55 AM EDT
Completed Not applicable Interventional Results available

Parent Nurse Controlled Analgesic in Pediatric Patients With Developmental Delay

NCT00743730
View directory record Official record
Conditions
Post Operative Pain
Interventions
Pain and standard side effect management for PNCA with basal method., Pain and standard side effect management with PNCA without basal, Pain and standard side effect management with IV on an as needed basis method.
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
4 Years to 18 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 27, 2019 · Synced Jul 22, 2026, 11:55 AM EDT
Withdrawn Not applicable Interventional

Evaluation of the Ketogenic Diet to Improve Post Operative Cognitive Decline in Cardiac Surgery

NCT06480708
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
Ketogenic diet, Control diet
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
60 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 22, 2026, 11:55 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Modulating ApoE Signalling to Reduce Brain Inflammation, deLirium and postopErative Cognitive Dysfunction

NCT03802396
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction
Interventions
CN-105, Placebo
Drug
Lead sponsor
Miles Berger, MD PhD
Other
Eligibility
60 Years and older
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study To Analyze Memory/Thinking Problems In Older Adults After Surgery

NCT01786577
View directory record Official record
Conditions
Post-Operative Cognitive Decline in Older Adults
Interventions
Magnetic Resonance Imaging, Cognitive assessment testing
Other · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
60 Years and older
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jul 7, 2019 · Synced Jul 22, 2026, 11:55 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

CEReBral AutorEgulation in Non-cardiac SuRgery and Relationship to Postoperative DeliriUm State

NCT06133842
View directory record Official record
Conditions
Perioperative/Postoperative Complications, Postoperative Cognitive Dysfunction, Postoperative Delirium, EEG With Periodic Abnormalities, Intraoperative Hypotension, Cerebral Hypoperfusion
Interventions
Intra-op EEG and CO data collection
Diagnostic Test
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational

Prognostic Factors Associated With Postoperative Cognitive Dysfunction After Surgery

NCT03443440
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
Neurocognitive Testing
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
50 Years to 99 Years
Enrollment
57 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Jul 22, 2026, 11:55 AM EDT
Completed Not applicable Interventional Results available

A Study to Determine if Carbon Dioxide Lavage During Total Knee Surgery Reduces Intraoperative Embolic Events

NCT00736125
View directory record Official record
Conditions
Postoperative Complications, Memory Disorders
Interventions
pulsatile saline lavage, carbon dioxide lavage
Device
Lead sponsor
Kinamed Incorporated
Industry
Eligibility
50 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 22, 2026, 11:55 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 22, 2026, 11:55 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 22, 2026, 11:55 AM EDT
Terminated Phase 4 Interventional Results available

Cognitive Protection - Dexmedetomidine and Cognitive Reserve

NCT00455143
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
65 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational

Cognition in Postoperative Total Hip Arthroplasty and Total Hip Resurfacing Patients

NCT01079468
View directory record Official record
Conditions
Cognition
Interventions
Not listed
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 7, 2011 · Synced Jul 22, 2026, 11:55 AM EDT
Recruiting No phase listed Observational

Cognitive Status After Removal of Skull Base Meningioma

NCT04635657
View directory record Official record
Conditions
Meningioma, Skull Base Meningioma, Frontal Meningioma, Temporal Meningioma, Cognitive Impairment, Cognitive Decline, Post-Surgical Cognition
Interventions
Long-term Cognitive testing
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years
Enrollment
50 participants
Timeline
2019 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jul 22, 2026, 11:55 AM EDT
Completed No phase listed Observational

Cohort Study of Risk Factors for Postoperative Cognitive Decline

NCT03676738
View directory record Official record
Conditions
Cognitive Decline
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
65 Years to 89 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Jul 22, 2026, 11:55 AM EDT
Active, not recruiting Phase 2 Interventional

The Role of Large Artery Plaque Imaging Features in Predicting Inflammation and Cognition

NCT03068442
View directory record Official record
Conditions
Cognitive Impairment, Carotid Artery Plaque, Inflammation
Interventions
Imaging with flutemetamol F 18 PET/CT
Drug
Lead sponsor
Scott Mcnally
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2030
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 22, 2026, 11:55 AM EDT