Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 10, 2026, 5:42 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Supine Position Clear all
Terminated Phase 1 Interventional

Contribution of Angiotensin II to Supine Hypertension in Autonomic Failure

NCT01292694
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy
Interventions
Losartan, Captopril, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 10, 2026, 5:42 AM EDT
Terminated Not applicable Interventional Results available

Prone Versus Supine Positioning and the Impact on Bronchopulmonary Dysplasia in Very Low Birth Weight Infants.

NCT04890158
View directory record Official record
Conditions
Prone Positioning, Bronchopulmonary Dysplasia
Interventions
Prone positioning for a total of 6 hours daily
Other
Lead sponsor
Montefiore Medical Center
Other
Eligibility
7 Days to 14 Weeks
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2024 · Synced Sep 10, 2026, 5:42 AM EDT
Not listed Not applicable Interventional

21DIF039: Prone to Supine Breast MRI II, P2S2 Breast MRI Trial

NCT05131607
View directory record Official record
Conditions
Breast Cancer Female
Interventions
Supine MRI
Procedure
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

The Prone to Supine Breast MRI Trial

NCT03573804
View directory record Official record
Conditions
Breast Cancer
Interventions
Prone to Supine MRI
Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 29, 2021 · Synced Sep 10, 2026, 5:42 AM EDT
Recruiting Not applicable Interventional

Treatment of Supine Hypertension in Autonomic Failure (CPAP)

NCT03312556
View directory record Official record
Conditions
Supine Hypertension, Autonomic Failure
Interventions
continuous positive airway pressure (CPAP), Placebo
Device · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

A Study to Evaluate the Use of Supine MRI Images in Breast Conserving Surgery

NCT01929395
View directory record Official record
Conditions
Breast Cancer
Interventions
Supine MRI
Device
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2018
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 29, 2019 · Synced Sep 10, 2026, 5:42 AM EDT
Withdrawn Not applicable Interventional

Positioning of Surgical Patients With Sleep Apnea

NCT02123238
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
bed positioning
Other
Lead sponsor
Englewood Hospital and Medical Center
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Englewood, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 14, 2015 · Synced Sep 10, 2026, 5:42 AM EDT
Withdrawn No phase listed Observational

Pulmonary Function During Prone and Supine Positioning in NICU Infants Requiring Assisted Ventilation

NCT00749762
View directory record Official record
Conditions
Pulmonary Function
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
24 Hours to 6 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

Local Heat Stress in Autonomic Failure Patients With Supine Hypertension

NCT02417415
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
Interventions
Passive heat stress, Control (non-heating)
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Sep 10, 2026, 5:42 AM EDT
Active, not recruiting Phase 1 Interventional

Reduction in Splanchnic Capacitance Contributes to Sympathetically Dependent Hypertension in Autonomic

NCT02726711
View directory record Official record
Conditions
Multiple System Atrophy, Orthostatic Hypotension, Supine Hypertension
Interventions
Trimethaphan, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
40 Years to 80 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional

Efficacy of Aquamantys for Reducing Transfusions With Anterior Supine Intermuscular Approach Total Hip Arthroplasty

NCT01583465
View directory record Official record
Conditions
Osteoarthritis, Hip, Joint Deformities, Acquired, Hip Dislocation, Congenital, Osteonecrosis, Arthritis, Rheumatoid
Interventions
Aquamantys, standard electrocautery (Bovie)
Device
Lead sponsor
Joint Implant Surgeons, Inc.
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Albany, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2012 · Synced Sep 10, 2026, 5:42 AM EDT
Not listed Not applicable Interventional

Early Rehabilitation Using Functional Electrical Stimulation Assisted Supine Cycling in the Intensive Care Unit

NCT03554811
View directory record Official record
Conditions
ICU Acquired Weakness
Interventions
Functional electrical stimulation assisted supine cycling (FESC), Conventional early exercise and mobility interventions
Device · Other
Lead sponsor
Community Health System
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional

Prone Whole-Breast RadiationTherapy Versus Supine Whole-Breast Radiation Therapy Imaging

NCT03037723
View directory record Official record
Conditions
Breast Cancer, Respiratory Gating, Prone
Interventions
CT simulation
Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Apr 12, 2023 · Synced Sep 10, 2026, 5:42 AM EDT
Recruiting Not applicable Interventional

Overnight Trials With Heat Stress in Autonomic Failure Patients With Supine Hypertension

NCT03042988
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy, Autonomic Failure
Interventions
Heating pad, Sham control
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 15, 2026 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

Nebivolol in the Supine Hypertension of Autonomic Failure

NCT01044693
View directory record Official record
Conditions
Hypertension, Pure Autonomic Failure, Multiple System Atrophy
Interventions
Placebo, Nebivolol 5 mg, metoprolol tartrate 50 mg, Sildenafil25 mg
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

Occlusion Balloon vs. 5FR Ureteral Catheter

NCT06798753
View directory record Official record
Conditions
Kidney Stones
Interventions
Occlusion Balloon Catheter, 5FR Ureteral Catheter
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 10, 2026, 5:42 AM EDT
Completed No phase listed Observational

Reverse Trendelenburg Positioning and Its Effect on Outcomes: a Retrospective Study of Consecutive Patients

NCT02984657
View directory record Official record
Conditions
Aspiration, Respiratory, Hypoxia, Perioperative Period, Supine Position
Interventions
Surgical patients in 2012 with anesthesia and nursing staff less attuned to intraoperative RTP., Surgical patients in 2015 with enhanced anesthesia and nursing staff awareness and use of intraoperative RTP.
Procedure
Lead sponsor
C. Michael Dunham
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Sep 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supine or Prone Position After Caesarean Birth

NCT01310153
View directory record Official record
Conditions
Respiratory Distress, Transient Tachypnea of the Newborn, Delayed Transition of the Newborn, Persistent Pulmonary Hypertension
Interventions
prone positioning, Supine
Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
Female only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 10, 2026, 5:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the Heidelberg Engineering SPECTRALIS With Flex Module for In-vivo Imaging in the Supine Position

NCT04661124
View directory record Official record
Conditions
Retinal Disease, Healthy Eyes
Interventions
SPECTRALIS, SPECTRALIS with Flex Module
Device
Lead sponsor
Heidelberg Engineering GmbH
Industry
Eligibility
22 Years and older
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 14, 2025 · Synced Sep 10, 2026, 5:42 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Gas Kinetics and Metabolism in Anesthesia During Non Steady State

NCT00225381
View directory record Official record
Conditions
Anesthetized Healthy Patients (ASA 1 or 2) in the Supine Position, Excluding Head, Neck and Head Surgeries, Anesthetized Patient With Severe Systemic Disease (ASA 3 or 4)
Interventions
connection of measuring device to anesthesia circuit, drawing of blood sample through an arterial line, placed according to clinical criteria by primary anesthesia team, changing operating room bed position (head down and up position), adding PEEP during anesthesia, placement of esophageal Doppler for cardiac output measurements, Humidity sensor, A mixing chamber (bymixer), Pneumotachometer cuvette, Mass spectrometer sampling port
Device · Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2012
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Sep 10, 2026, 5:42 AM EDT
Recruiting Not applicable Interventional

CPAP for the Treatment of Supine Hypertension

NCT05489575
View directory record Official record
Conditions
Autonomic Failure, Pure Autonomic Failure, Multiple System Atrophy, Parkinson Disease, Supine Hypertension, Neurogenic Orthostatic Hypotension
Interventions
Active CPAP, Sham CPAP, Sleeping in a head-up tilt (HUT) position
Device · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
40 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 10, 2026, 5:42 AM EDT
Not listed No phase listed Observational

Evaluating and Establishing the Relationship in the Five Critical X-ray Time Points in Spinal Deformity Realignment

NCT05154825
View directory record Official record
Conditions
Spine, Spine Deformity
Interventions
Imaging-Observational
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 10, 2026, 5:42 AM 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 10, 2026, 5:42 AM EDT
Completed Not applicable Interventional Results available

COVID-19 Patient Positioning Pragmatic Trial

NCT04359797
View directory record Official record
Conditions
COVID-19
Interventions
Prone, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
501 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Highland Park, Illinois • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 26, 2021 · Synced Sep 10, 2026, 5:42 AM EDT