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ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:48 AM EDT

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Showing 145–168 of 322 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Confusion Clear all
Completed Not applicable Interventional

Music Therapy to Prevent Hospital-acquired Delirium in Parkinson's Disease and Dementia With Lewy Bodies

NCT06063161
View directory record Official record
Conditions
Parkinson Disease, Dementia, Lewy Body, Delirium
Interventions
Music therapy intervention, Standard Care (in control arm)
Behavioral · Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
60 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 13, 2025 · Synced Oct 21, 2026, 4:48 AM EDT
Not listed No phase listed Observational

Cognition and the Immunology of Postoperative Outcomes

NCT04792983
View directory record Official record
Conditions
Cognitive Impairment, Frail Elderly Syndrome, Delirium, Surgery
Interventions
No intervention
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
65 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2021 · Synced Oct 21, 2026, 4:48 AM EDT
Terminated Phase 3 Interventional

A Research Study to Evaluate the Effectiveness of Dexmedetomidine in Preventing Delirium After Hip Fracture Repair Surgery

NCT00460473
View directory record Official record
Conditions
Delirium
Interventions
Dexmedetomidine, Placebo
Drug
Lead sponsor
Hospira, now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
30
States / cities
Loma Linda, California • Los Angeles, California • Pasadena, California + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2015 · Synced Oct 21, 2026, 4:48 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 27, 2021 · Synced Oct 21, 2026, 4:48 AM EDT
Recruiting No phase listed Observational

Automating Delirium Severity in the ICU

NCT06172491
View directory record Official record
Conditions
Intensive Care Unit Delirium, Encephalopathy, Delirium
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
50 Years and older
Enrollment
400 participants
Timeline
2023 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Not listed Phase 4 Interventional

Ramelteon Prevention of Delirium - RCT

NCT02564939
View directory record Official record
Conditions
Delirium
Interventions
ramelteon, Placebo
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
65 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 1, 2018 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Phase 2 Interventional Results available

Maximizing trEatment of Neurological Dysfunction Using INtravenous Guanfacine Study

NCT04742673
View directory record Official record
Conditions
Critical Illness, Delirium, Cognitive Impairment
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 21, 2026, 4:48 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 Sep 30, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Not applicable Interventional

fMRI Connectivity in Fracture Hip Patients

NCT02997930
View directory record Official record
Conditions
Postoperative Delirium, Postoperative Cognitive Dysfunction
Interventions
fMRI, Montreal Cognitive Assessment (MoCA), Digital Clock Drawing Test Command and Copy, Wide Range Achievement Test reading subtest, Hopkins Verbal Learning Test (HVLT), General Depression Scale (GDS)
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 99 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Improving Safety of Diagnosis and Therapy in the Inpatient Setting

NCT04393909
View directory record Official record
Conditions
Delirium, Confusion, Mental Status Change, Back Pain, Hip Pain Chronic, Chest Pain, Asthma, COPD, Cellulitis, Soft Tissue Infections, Cough, Deep Vein Thrombosis, Pulmonary Embolism, Venous Thromboembolism, Dyspnea, Electrolyte Metabolism Abnormal, Fever, Failure to Thrive, Weakness, Protein-Calorie Malnutrition, Headache, Neck Pain, Hypoxia, Pneumonia, Sepsis, Syncope, Vomiting, Diarrhea, Leg Pain, Abdominal Pain
Interventions
Diagnostic Uncertainty Educational Curriculum, Diagnostic Timeout, Patient Diagnostic (Dx) Questionnaire, Enhancements to Epic-integrated Quality & Safety Dashboard
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Oct 21, 2026, 4:48 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 9, 2024 · Synced Oct 21, 2026, 4:48 AM EDT
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 18, 2022 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Not applicable Interventional

A Multidisciplinary Delirium Prevention Strategy Involving Psychiatry in the ICU

NCT03550495
View directory record Official record
Conditions
Delirium
Interventions
psychiatry involvement
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementation Outcome Assessments of the Emergency Department Delirium Screening and Detection Program

NCT05606328
View directory record Official record
Conditions
Delirium
Interventions
Emergency Department Delirium Screening and Detection Program (ED-DDP)
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed Not applicable Interventional

Opioid Sparing Anesthesia Care for Pediatric Patients Having Tonsil Surgery

NCT06326983
View directory record Official record
Conditions
Tonsillitis, Post-operative Nausea and Vomiting (PONV), Emergence Delirium, Opioid Analgesic Adverse Reaction, Anesthesia, Pain
Interventions
Dexmedetomidine, Acetaminophen, Ketorolac, Morphine
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
3 Years to 17 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 21, 2026, 4:48 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 26, 2021 · Synced Oct 21, 2026, 4:48 AM EDT
Terminated Phase 3 Interventional Results available

An Extension To The B1451006 Protocol To Evaluate The Safety and Efficacy of Dimebon In Subjects With Moderate-to-Severe Alzheimer's Disease

NCT01066546
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Dimebon tablet for oral administration
Drug
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
5
States / cities
Costa Mesa, California • Encino, California • Los Alamitos, California + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2012 · Synced Oct 21, 2026, 4:48 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 31, 2015 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational Results available

Pathway to Detection & Differentiation of Delirium & Dementia in the Emergency Department

NCT04846322
View directory record Official record
Conditions
Cognitive Impairment, Emergency Care, Dementia, Delirium
Interventions
PD4ED 3-step intervention (ED assessment, outpatient assessment, Brain health plan)
Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
New Haven, Connecticut • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Oct 21, 2026, 4:48 AM EDT
Terminated Not applicable Interventional Results available

Does Optimized General Anesthesia Care Reduce Postoperative Delirium?

NCT02604459
View directory record Official record
Conditions
Hip Fractures, Anesthesia, Delirium
Interventions
cerebral oximeter (Fore-Sight), depth of anesthesia monitor (BIS), BP management, General anesthesia, propofol, fentanyl, sevoflurane
Device · Procedure · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
65 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Oct 21, 2026, 4:48 AM EDT
Not listed No phase listed Observational

Study to Assess and Monitor Brain Activity

NCT04602988
View directory record Official record
Conditions
Delirium, Encephalopathy
Interventions
EEG
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 8, 2022 · Synced Oct 21, 2026, 4:48 AM EDT
Withdrawn Phase 4 Interventional

RCT: Trazodone vs Quetiapine vs Placebo for Treating ICU Delirium (TraQ)

NCT05085808
View directory record Official record
Conditions
Delirium, Morality, Quality of Life, Psych, Treatment Side Effects
Interventions
Trazodone, Quetiapine, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2028 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Investigating NeuroinflammaTion UnderlyIng Postoperative Brain Connectivity Changes, POCD, Delirium in Older Adults

NCT03273335
View directory record Official record
Conditions
Delirium
Interventions
Millipore biomarker assay plate
Device
Lead sponsor
Duke University
Other
Eligibility
60 Years to 130 Years
Enrollment
201 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 Nov 16, 2022 · Synced Oct 21, 2026, 4:48 AM EDT
Completed No phase listed Observational

Delirium in Mechanically Ventilated Patients

NCT00919698
View directory record Official record
Conditions
Delirium
Interventions
Not listed
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Oct 21, 2026, 4:48 AM EDT