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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Upright positioning Clear all
Completed Phase 4 Interventional

Checklists and Upright Positioning in Endotracheal Intubation of Critically Ill Patients (Check-UP) Trial

NCT02497729
View directory record Official record
Conditions
Respiratory Failure
Interventions
Written Checklist, Head of Bed Up
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2016 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Combined Effects of Prolonged Sitting and Mental Stress on the Cardiovascular System

NCT04207333
View directory record Official record
Conditions
Sedentary Behavior, Cardiovascular Risk Factor, Mental Stress, Cognitive Change, Cerebrovascular Insufficiency
Interventions
Mental Arithmetic Test
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
35 Years to 59 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diet and Whole-body Vibration Training on Cardiovascular and Autonomic Function

NCT01741779
View directory record Official record
Conditions
Obesity, Pre-hypertension, Hypertension
Interventions
Whole Body Vibration Training, Hypocaloric diet, Whole body vibration training & diet
Other
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional

A Novel Balance Program to Improve Balance in People With Parkinson's Disease

NCT05906875
View directory record Official record
Conditions
Rehabilitation Exercise, Physical Therapy
Interventions
Lateral Stepping Exercise 1, Lateral Stepping Exercise 2, Lateral Stepping Exercise 3, Lateral Stepping Exercise 4, Lateral Stepping Exercise 5
Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
50 Years to 85 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Old Westbury, New York
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Sep 15, 2026, 6:55 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable

NCT06763549
View directory record Official record
Conditions
Cardiopulmonary Failure, Myocardial Infarction (MI), Heart Decompensation, Heart Failure, HFrEF - Heart Failure with Reduced Ejection Fraction, HFpEF - Heart Failure with Preserved Ejection Fraction, Syncopation, Syncope, Ischemic Cardiovascular Disease, STEMI, STEMI (ST Elevation MI), Atrial Fibrillation (AF), Atrial Enlargement, LVF, Conduction Defect, Conduction Abnormalities, Heart Block, Valvular Diseases, Cardiac Output, Low, Stroke Volume, Stroke Volume Variation, Hyperkalemia, Hypercalcemia, Hypocalcemia, LV Dysfunction, QT Prolongation, Sudden Cardiac Death Due to Cardiac Arrhythmia, Ventricular Arrhythmia, Pacing, Pacing Induced Dyssynchrony, Silent Ischemia, Pericarditis, Sleep Related Breathing Disorder, RSA, Apnea, Obstructive, Cardiac Output Measurement, Respiratory Impedance, CRT And/or ICD, Infarction, Cardiomyopathies, Primary, Hypertrophy
Interventions
SUBPROTOCOL A, SUBPROTOCOL B, SUBPROTOCOL C, SUBPROTOCOL D, SUBPROTOCOL E, SUBPROTOCOL F, SUBPROTOCOL G, SUBPROTOCOL H
Device
Lead sponsor
Peerbridge Health, Inc
Industry
Eligibility
18 Years and older
Enrollment
15,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Melbourne, Florida
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Surgical Microscope Mounted Autorefractor When Used on Patients Lying in a Supine Position

NCT01827748
View directory record Official record
Conditions
Refractive Error
Interventions
Intraoperative Autorefractor IAR-1, Hartmann-Shack Auto Refractor
Device
Lead sponsor
Adventus Technology
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Phase 2 Interventional Results available

Acetylcholinesterase Inhibition and Orthostatic Hypotension in SCI

NCT02307526
View directory record Official record
Conditions
Hypotension, Postural
Interventions
Pyridostigmine Bromide, Tilt table test
Drug · Device
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
West Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 20, 2017 · Synced Sep 15, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional

Quantitative Assessment of Autologous Fat Transfer

NCT06343831
View directory record Official record
Conditions
Autologous Fat Grafting
Interventions
2-Dimensional (2-D) Photographs (Visit 1/ Follow up Visit 3-6), 3-Dimensional (3-D) Photographs (Visit 1- 6), Ultrasound Soft Tissue Assessment (Visit 1/ Follow up Visit 4-6), Magnetic Resonance Imaging Volume Assessment (Visit 1/ Follow up Visit 4-6), BREAST-QTM questionnaire (Visit 1/ Follow up Visit 4-6)
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NATO Litter: Fluid Immersion System (FIS) Versus Traditional Mattress for Pressure Dispersion

NCT03483623
View directory record Official record
Conditions
Pressure Distribution, Military Litters, Peak Pressure Index, Total Surface Area, Tissue Perfusion
Interventions
NATO WELP combination, NATO FIS combination, RAVEN WELP combination, RAVEN FIS combination
Other
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
19 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Sep 15, 2026, 6:55 PM EDT
Not listed No phase listed Observational

Telespirometry in Amyotrophic Lateral Sclerosis (ALS)

NCT05106569
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Spirometry
Diagnostic Test
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Syracuse, New York • Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 12, 2023 · Synced Sep 15, 2026, 6:55 PM EDT
Completed No phase listed Observational

Comparison of Standing Versus Supine 3D Cone Beam Computed Tomography in Patient With Obstructive Sleep Apnea

NCT04874727
View directory record Official record
Conditions
OSA, Sleep Apnea
Interventions
Mandible slacked and captured with Correct Plus™ Impression Material Superfast
Procedure
Lead sponsor
Manhattan Beach Orthodontics
Other
Eligibility
Not listed
Enrollment
6 participants
Timeline
2019 – 2020
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Sep 15, 2026, 6:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Upright Versus Supine Exercise Testing in Fontan-palliated Patients

NCT00633815
View directory record Official record
Conditions
Fontan Palliation
Interventions
Supine positioning, Upright positioning
Other
Lead sponsor
University of Michigan
Other
Eligibility
8 Years to 30 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 15, 2026, 6:55 PM EDT
Terminated No phase listed Observational

Transnasal Esophagoscopy (TNE) Esophageal Cancer Screening

NCT05480891
View directory record Official record
Conditions
Esophageal Cancer
Interventions
Transnasal Esophagoscopy (TNE)
Procedure
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 15, 2026, 6:55 PM EDT
Recruiting Not applicable Interventional

Correlation Between an Impedance Cardiography Test for Decompensation and the Development of Left Ventricular Replacement Fibrosis

NCT07230964
View directory record Official record
Conditions
Aortic Stenosis
Interventions
Impedance Cardiography Upright/Supine Test
Device
Lead sponsor
Dermed Diagnostics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Phase 3 Interventional Results available

A Trial to Reduce Pneumonia in Nursing Home Residents

NCT00975780
View directory record Official record
Conditions
Pneumonia, Lower Respiratory Tract Infection
Interventions
Enhanced Oral Care, Usual oral care
Other
Lead sponsor
Yale University
Other
Eligibility
65 Years and older
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 19, 2014 · Synced Sep 15, 2026, 6:55 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Paravertebral Versus Pectoralis Block for Post Mastectomy Pain

NCT03656679
View directory record Official record
Conditions
Pain, Postoperative, Post-Mastectomy Chronic Pain Syndrome, Opioid Use
Interventions
Pectoralis Blockade (PECs), Paravertebral Blockade
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Sep 15, 2026, 6:55 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Aldosterone & Sodium Regulation in Postural Tachycardia Syndrome - Screening

NCT01783288
View directory record Official record
Conditions
Postural Tachycardia Syndrome
Interventions
Autonomic Function Testing, Posture Study, Measurement of Total Blood Volume, Exercise Capacity Test
Other · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional

UPnRIDE Power Standing Wheelchair for SCI

NCT04163796
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
UPnRIDE power wheelchair
Device
Lead sponsor
Bronx Veterans Medical Research Foundation, Inc
Other
Eligibility
18 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional

Effectiveness Study of Postoperative Rotator Cuff Repair Rehabilitation

NCT01819909
View directory record Official record
Conditions
Full Thickness Rotator Cuff Tear
Interventions
Postoperative Jackins Exercise Protocol, Postoperative Pulleys Exercise Protocol
Procedure
Lead sponsor
Orthopedic Institute, Sioux Falls, SD
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Mar 1, 2022 · Synced Sep 15, 2026, 6:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Spatial Orientation and Fiberoptic Intubation Skills in the Novice: A Randomized Controlled Trial

NCT02263300
View directory record Official record
Conditions
Airway Management
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 16, 2023 · Synced Sep 15, 2026, 6:55 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effect of Different Viscous Foods and Liquids on Swallowing Sounds

NCT03024333
View directory record Official record
Conditions
Deglutition Disorder
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 14, 2023 · Synced Sep 15, 2026, 6:55 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

The Effect of Body Position on Oropharyngeal Swallow Function in Infants

NCT05874102
View directory record Official record
Conditions
Aspiration
Interventions
Sidelying, Upright
Other
Lead sponsor
Connecticut Children's Medical Center
Other
Eligibility
38 Weeks to 56 Weeks
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 15, 2026, 6:55 PM EDT
Active, not recruiting No phase listed Observational

Clinical Markers of Dysphagia in Cardiac Surgical Patients

NCT05304416
View directory record Official record
Conditions
Cardiovascular Diseases, Dysphagia
Interventions
Fiberoptic Endoscopic Evaluation of Swallowing, Simultaneous FEES and Videofluoroscopy instrumental swallowing exam, Videofluoroscopy instrumental swallowing exam (VFSS), Voluntary Cough Peak Expiratory Flow (PEF) Testing, Reflex Cough Screen, Lingual Pressure Testing, Speech Testing
Diagnostic Test · Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 90 Years
Enrollment
347 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 15, 2026, 6:55 PM EDT
Completed Not applicable Interventional Results available

Patient Acceptance and Preference Among Screening Modalities for Detection of Barrett's Esophagus

NCT04301986
View directory record Official record
Conditions
Barrett Esophagus, GERD
Interventions
Cytosponge, Transnasal Endoscopy (TNE), Esophagogastroduodenoscopy
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 7, 2023 · Synced Sep 15, 2026, 6:55 PM EDT