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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
Completed Phase 4 Interventional

The Effect of Ramelteon on Delirium and Sleep in Patients Admitted to the ICU

NCT03931070
View directory record Official record
Conditions
Delirium
Interventions
Ramelteon, Placebo - Cap
Drug
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 9, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 2 Interventional

Cognitive Intervention For Delirium in Dementia

NCT01267682
View directory record Official record
Conditions
Delirium, Dementia
Interventions
Cognitive Stimulation
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
65 Years and older
Enrollment
283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
9
States / cities
Bellefonte, Pennsylvania • Dallas, Pennsylvania • Harrisburg, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 4 Interventional Results available

Propofol in Emergence Agitation

NCT00535613
View directory record Official record
Conditions
Emergence Agitation
Interventions
Propofol
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
12 Months to 6 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Results available

Recommendations and Alerting for Delirium Alleviation in Real-Time (RADAR)

NCT04007523
View directory record Official record
Conditions
Delirium
Interventions
Family Support System, HELP Support System
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
70 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Results available

The Effect of Guanfacine on Delirium in Critically Ill Patients

NCT04578886
View directory record Official record
Conditions
Delirium
Interventions
Guanfacine, Placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Not applicable Interventional

Short-term And Longer-term Cognitive Impact Of Neurochecks

NCT06219889
View directory record Official record
Conditions
Intracerebral Hemorrhage
Interventions
Frequency of neurochecks
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 100 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Jul 22, 2026, 2:26 PM 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 12, 2017 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventative Delirium Protocol in Elderly Patients

NCT03541408
View directory record Official record
Conditions
Delirium
Interventions
Control, Preventative Delirium Protocol
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Not applicable Interventional

Volume Support/Assist Control Mode Ventilation and Diaphragmatic Atrophy

NCT03901924
View directory record Official record
Conditions
Mechanical Ventilation Complication
Interventions
Volume Support Mode Mechanical Ventilation, Assist Control Mode Mechanical Ventilation
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
2
States / cities
Chicago, Illinois • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional

3D Team Care for Cognitively Vulnerable Older Adults

NCT02945085
View directory record Official record
Conditions
Dementia, Depression, Delirium
Interventions
Home Based Care Team, Telephone Based Care Team
Other
Lead sponsor
UConn Health
Other
Eligibility
65 Years and older
Enrollment
506 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 31, 2024 · Synced Jul 22, 2026, 2:26 PM 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, 2:26 PM EDT
Completed Not applicable Interventional Results available

Improving the Recovery and Outcome Every Day After the ICU

NCT03095417
View directory record Official record
Conditions
Delirium, Alzheimer Disease
Interventions
Physical Exercise Intervention, Cognitive Training Intervention, Stretching Control, Cognitive Control
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
50 Years and older
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
6
States / cities
Avon, Indiana • Carmel, Indiana • Fishers, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional

Donepezil and Vitamin E to Prevent Side Effects Caused By Radiation Therapy to the Head in Patients Receiving Treatment for Small Cell Lung Cancer

NCT00006349
View directory record Official record
Conditions
Cognitive/Functional Effects, Delirium, Depression, Lung Cancer, Radiation Toxicity
Interventions
vitamin E, donepezil hydrochloride, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
15
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Peoria, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2016 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional

Assessing the Effects of Robotic Pets on Patients With Dementia in the Acute Care Hospital Setting

NCT06683443
View directory record Official record
Conditions
Dementia, Delirium
Interventions
Robotic Joy for All™ pet
Behavioral
Lead sponsor
Sarasota Memorial Health Care System
Other
Eligibility
65 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Sarasota, Florida
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Jul 22, 2026, 2:26 PM EDT
Completed No phase listed Observational

Sleep/Wake Protocol Implementation to Improve Sleep Quality in the ICU

NCT03313115
View directory record Official record
Conditions
Sleep Deprivation, Delirium
Interventions
Sleep/Wake Protocol
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
685 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Jul 22, 2026, 2:26 PM EDT
Not listed Not applicable Interventional

Acute Care for Elders (ACE) Program at OHSU Hospital

NCT02119078
View directory record Official record
Conditions
Delirium, Age-Related Cognitive Decline, Frail Elderly, Hospital Acquired Pressure Ulcer, Drug-Related Side Effects and Adverse Reactions
Interventions
Acute Care of Elders focused geriatric care
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Phase 3 Interventional Results available

The MENDS2 Study, Maximizing the Efficacy of Sedation and Reducing Neurological Dysfunction and Mortality in Septic Patients With Acute Respiratory Failure

NCT01739933
View directory record Official record
Conditions
Sepsis, Delirium, Impaired Cognition
Interventions
Dexmedetomidine, Propofol
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
438 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
11
States / cities
San Francisco, California • Baton Rouge, Louisiana • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2021 · Synced Jul 22, 2026, 2:26 PM 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 27, 2017 · Synced Jul 22, 2026, 2:26 PM EDT
Recruiting Not applicable Interventional

Delirium in Neurodegenerative Disease Patients: A Music Therapy Intervention for Hospital Care

NCT07137949
View directory record Official record
Conditions
Delirium
Interventions
Music therapy
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
60 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Jul 22, 2026, 2:26 PM 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 20, 2009 · Synced Jul 22, 2026, 2:26 PM 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 11, 2015 · Synced Jul 22, 2026, 2:26 PM EDT
Completed Not applicable Interventional

The SOMNUS Study: Sedative Optimization Via Monitoring Neurological Status

NCT00469482
View directory record Official record
Conditions
Delirium, Cognitive Impairment, Critically Ill
Interventions
Sedation,RASS Targeted plus BIS Monitoring, Sedation, RASS Targeted
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 7, 2018 · Synced Jul 22, 2026, 2:26 PM 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 23, 2015 · Synced Jul 22, 2026, 2:26 PM 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 22, 2026, 2:26 PM EDT