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Showing 1–24 of 54 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Conscious Sedation Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

UNderstanding CONSciousness Connectedness and Intraoperative Unresponsiveness Study

NCT03284307
View directory record Official record
Conditions
Unconsciousness, Consciousness
Interventions
Dexmedetomidine, Ketamine, Propofol, Midazolam
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 40 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Safety Study of AQUAVAN® (Fospropofol Disodium) Injection for Sedation During Minor Surgical Procedures.

NCT00327392
View directory record Official record
Conditions
Procedural Sedation
Interventions
AQUAVAN® (fospropofol disodium) Injection
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
15
States / cities
Phoenix, Arizona • Jacksonville, Florida • Louisville, Kentucky + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2012 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Use of Ketamine for Conscious Sedation in Flexible Bronchoscopy

NCT06181188
View directory record Official record
Conditions
Conscious Sedation, Patient Satisfaction, Ketamine
Interventions
Ketamine, Midazolam, Fentanyl
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Dec 25, 2023 · Synced Sep 7, 2026, 4:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Hemodynamic Changes During Implant Surgery with Intravenous Conscious Sedation

NCT05756439
View directory record Official record
Conditions
Blood Pressure, Dental Anxiety
Interventions
Intravenous Sedatives with or Without Analgesia, No IV sedation
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 7, 2026, 4:39 PM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

IN Dexmedetomidine for Procedural Sedation in Pediatric Closed Reductions for Distal Forearm Fractures

NCT03466242
View directory record Official record
Conditions
Conscious Sedation, Distal Radius Fracture
Interventions
Dexmedetomidine, Ketamine
Drug
Lead sponsor
Phoenix Children's Hospital
Other
Eligibility
2 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 23, 2025 · Synced Sep 7, 2026, 4:39 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Sedasys Post Approval Study Users Response to System Alarms

NCT02573818
View directory record Official record
Conditions
Conscious Sedation
Interventions
SEDASYS System
Device
Lead sponsor
Ethicon Endo-Surgery
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Sep 7, 2026, 4:39 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Enhanced Recovery Pathway for Endoscopy

NCT04983498
View directory record Official record
Conditions
Enhanced Recovery Pathway, Endoscopy
Interventions
Ondansetron 4 MG, Lactated Ringers, Intravenous, Early Mobilization, Early PO Intake
Drug · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 14, 2021 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Not applicable Interventional Results available

Use of Capnography in EGD and Colonoscopy With Moderate Sedation.

NCT01994785
View directory record Official record
Conditions
Hypoxia, Apnea, Hypotension, Hypopnea
Interventions
Capnographic Monitoring
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Independence, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ondansetron Reduce Vomiting Associated With Ketamine PSA

NCT00387556
View directory record Official record
Conditions
Conscious Sedation
Interventions
Ondansetron
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Year to 21 Years
Enrollment
268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2006
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 12, 2013 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 3 Interventional

An Effectiveness and Safety Study of AQUAVAN® Injection (Fospropofol Disodium) for Sedation During Flexible Bronchoscopy

NCT00306722
View directory record Official record
Conditions
Bronchoscopy, Anesthesia
Interventions
AQUAVAN® (fospropofol disodium) Injection
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
25
States / cities
Mobile, Alabama • Phoenix, Arizona • Laguna Hills, California + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2008 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Colonoscopy Using Nitrous Oxide- A Pilot Study in the USA

NCT04305158
View directory record Official record
Conditions
Nitrous Oxide
Interventions
Nitrous Oxide
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 10, 2024 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Ketamine Versus Etomidate for Procedural Sedation for Pediatric Orthopedic Reductions

NCT00596050
View directory record Official record
Conditions
Conscious Sedation Failure During Procedure
Interventions
ketamine and midazolam, etomidate, fentanyl, and lidocaine
Drug
Lead sponsor
Drexel University College of Medicine
Other
Eligibility
5 Years to 18 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Sep 7, 2026, 4:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Restoration of Consciousness With Ultrasonic Deep Brain Stimulation During Anesthetic Sedation

NCT07221539
View directory record Official record
Conditions
Mental Function
Interventions
Propofol for fMRI, Dexmedetomidine for fMRI, Dorsolateral prefrontal cortex (DLPFC) pulsation, Anterior insular cortex (AIC) pulsation, Central thalamus (CT) pulsation
Procedure · Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Not applicable Interventional Results available

Procedural Sedation And Analgesia in Children in the Emergency Department: The Role of Adjunct Therapies

NCT02518919
View directory record Official record
Conditions
Conscious Sedation
Interventions
Child life intervention, Music listening
Other
Lead sponsor
Children's Hospital of Michigan
Other
Eligibility
3 Years to 15 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 26, 2018 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Flumazenil Reversal of Oral Triazolam

NCT00695630
View directory record Official record
Conditions
Dental Anxiety
Interventions
Flumazenil, Placebo
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 40 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 11, 2008 · Synced Sep 7, 2026, 4:39 PM EDT
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

Assessing Covert Consciousness During Dexmedetomidine and Ketamine Sedation: An fMRI Study

NCT07705022
View directory record Official record
Conditions
Healthy, Covert Consciousness
Interventions
Dexmedetomidine (+propofol as indicated), Ketamine
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 40 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Not applicable Interventional Results available

Using Capnography to Reduce Hypoxia During Pediatric Sedation

NCT01463527
View directory record Official record
Conditions
Hypoventilation, Hypoxia
Interventions
Nellcor NPB-70 Capnograph
Device
Lead sponsor
Yale University
Other
Eligibility
1 Year to 20 Years
Enrollment
167 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 10, 2018 · Synced Sep 7, 2026, 4:39 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Driving Skills Recovery Following Procedural Sedation for Gastrointestinal Endoscopy

NCT04350424
View directory record Official record
Conditions
Anesthesia, Psychomotor Status
Interventions
Not listed
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 17, 2023 · Synced Sep 7, 2026, 4:39 PM EDT
Terminated Phase 2 Interventional Results available

Use of Dexmedetomidine in Acute Stroke and Cerebral Vasospasm Interventions

NCT01845441
View directory record Official record
Conditions
Stroke, Brain Ischemia, Vasospasm, Intracranial, Hemorrhage, Intracranial
Interventions
Dexmedetomidine, Fentanyl, Midazolam
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Not applicable Interventional Results available

Effectiveness of Atropine and Glycopyrrolate to Reduce Hyper Salivation With Ketamine Sedation

NCT01191398
View directory record Official record
Conditions
Sialorrhea
Interventions
Atropine (0.01mg/kg), Glycopyrrolate (0.01mg/kg), Normal saline 0.9%
Drug
Lead sponsor
Craig J. Huang
Other
Eligibility
6 Months to 18 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 15, 2014 · Synced Sep 7, 2026, 4:39 PM EDT
Completed No phase listed Observational

Endobronchial Ultrasound Guided Transbronchial Needle Aspiration Performed Under General Anesthesia Versus Moderate Sedation

NCT01430962
View directory record Official record
Conditions
Mediastinal Lymphadenopathies, Mediastinal Masses, Hilar Lymphadenopathies
Interventions
Not listed
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2015 · Synced Sep 7, 2026, 4:39 PM EDT
Not listed Phase 4 Interventional

Nitrous Oxide Prior to Intranasal Midazolam for Moderate Dental Sedation in Pediatric Patients

NCT04083105
View directory record Official record
Conditions
Dental Anxiety, Pain
Interventions
Nitrous Oxide, Midazolam
Drug
Lead sponsor
Children's Hospital Colorado
Other
Eligibility
3 Years to 8 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Sep 7, 2026, 4:39 PM EDT
Completed Phase 3 Interventional

An Effectiveness and Safety Study of AQUAVAN® Injection (Fospropofol Disodium) for Sedation During Colonoscopy

NCT00261599
View directory record Official record
Conditions
Conscious Sedation
Interventions
AQUAVAN® (fospropofol disodium) Injection, Midazolam HCI
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
20
States / cities
Huntsville, Alabama • Fresno, California • Jacksonville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2008 · Synced Sep 7, 2026, 4:39 PM EDT
Terminated Not applicable Interventional Results available

Bispectral Index Monitoring During Testing in the Electrophysiology Lab

NCT00749671
View directory record Official record
Conditions
Tachycardia, Ventricular
Interventions
Bispectral index monitoring, Ramsey Sedation Scale
Device · Other
Lead sponsor
Baystate Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 18, 2016 · Synced Sep 7, 2026, 4:39 PM EDT