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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:52 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Trendelenburg position Clear all
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 7, 2016 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trendelenburg, Abdominal Insufflation and Time to Completion of Cystoscopy

NCT05786391
View directory record Official record
Conditions
Bladder Integrity, Bladder Function, Ureteral Integrity, Ureteral Function
Interventions
Flat position, Trendelenburg position, Insufflation
Other · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 90 Years · Female only
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational

Intraocular Pressure During Robotic Assisted Laparoscopic Procedures Utilizing Steep Trendelenburg Positioning

NCT01261871
View directory record Official record
Conditions
Ocular Hypertension
Interventions
Not listed
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years and older · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 20, 2026, 6:52 PM EDT
Not listed Phase 4 Interventional

Sevoflurane Versus Propofol on Optic Nerve Sheath Diameter During Anesthesia in Steep Trendelenburg Position

NCT04289090
View directory record Official record
Conditions
Percentage of Change in ONSD During Anesthesia With Sevoflurane Versus Propofol in Two Groups of Patients
Interventions
Sevoflurane Inhalant Product, Propofol 10 MG/ML
Drug
Lead sponsor
State University of New York - Downstate Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2020 · Synced Oct 20, 2026, 6:52 PM EDT
Recruiting Not applicable Interventional

Mechanical Ventilation in Obese Surgical Patients

NCT07774065
View directory record Official record
Conditions
Obese
Interventions
Standard PEEP (8 cmH₂O)
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Comparative Analysis of Spinal Anesthesia Versus General Anesthesia for vNOTES

NCT05688943
View directory record Official record
Conditions
Anesthesia, Tubal Ligation
Interventions
Spinal Anesthesia, General Anesthesia
Procedure
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 5, 2025 · Synced Oct 20, 2026, 6:52 PM EDT
Active, not recruiting No phase listed Observational

Airway Changes in Patients Undergoing Elective Surgical Procedures in the Prone and Trendelenburg Positions

NCT02738788
View directory record Official record
Conditions
Airway Management
Interventions
Intubation
Other
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 6:52 PM 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 23, 2021 · Synced Oct 20, 2026, 6:52 PM EDT
Recruiting No phase listed Observational

SSVC-CI During CABG

NCT06645327
View directory record Official record
Conditions
Coronary Artery Bypass Grafting Surgery (CABG)
Interventions
a change in operating room table position, which will mimic an IV fluid bolus
Other
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Not listed Not applicable Interventional

Evaluating Fluid Responsiveness in ICU Patients Using VTI and Trendelenburg Positioning

NCT06418022
View directory record Official record
Conditions
Shock, Fluid Overload, Cardiac Output, Low
Interventions
Trendelenburg positioning VTI
Device
Lead sponsor
Lenox Hill Hospital
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 16, 2024 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

Feasibility of Upright Bed Position in ARDS Patients

NCT02160561
View directory record Official record
Conditions
Critical Illness, Acute Respiratory Failure, Adult Syndrome
Interventions
Intervention Arm
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Not applicable Interventional

Does Less Trendelenburg Make a Difference in Robotic Assisted Gynecological Procedures?

NCT02728999
View directory record Official record
Conditions
Benign Female Reproductive System Neoplasm
Interventions
Steep Trendelenburg, Decreased Trendelenburg
Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 4, 2024 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational

Trendelenburg Study

NCT01979575
View directory record Official record
Conditions
Comparison of Non-invasive Monitors of Cardiac Function
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational

Internal Jugular Vein Cross Sectional Area

NCT01099254
View directory record Official record
Conditions
Central Venous Pressure
Interventions
Not listed
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 120 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 20, 2026, 6:52 PM EDT
Not listed Not applicable Interventional

Effect of Transpulmonary Pressure Guided Ventilation on Intraoperative Right Heart Function

NCT05709041
View directory record Official record
Conditions
Obesity, Surgery, Anesthesia, Echocardiography, Transesophageal, Mechanical Ventilation
Interventions
Individualized lung-protective ventilation, Standard lung-protective ventilation
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Ureteral Jets and Patient Positioning Study

NCT04732403
View directory record Official record
Conditions
Ureteral Injury, Surgery--Complications
Interventions
Patient Position
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 89 Years · Female only
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 1, 2024 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Not applicable Interventional

Incline Positioning in COVID-19 Patients for Improvement in Oxygen Saturation

NCT04344561
View directory record Official record
Conditions
COVID, Hypoxic Respiratory Failure
Interventions
Postural Positioning
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

Low-Intensity Mechanical Ventilation in the Operating Room: a Pilot Study

NCT07277244
View directory record Official record
Conditions
Robotic Surgery, Post Operative Pulmonary Complications
Interventions
Low Intensity Mechanical Ventilation
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Recruiting Not applicable Interventional

Patient Positioning for Treatment of Proximal Ureteral Stones

NCT07601932
View directory record Official record
Conditions
Ureteral Stone
Interventions
Reverse Trendelenburg Position, T-Tilt Position
Procedure
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

Establishing Optimal PEEP Setting for Obese Patients in the Steep Trendelenburg Position

NCT06518239
View directory record Official record
Conditions
Obesity
Interventions
Peep Belt
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
19 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1Phase 2 Interventional

Safety, Pk and Anti-inflammatory Effects of CC10 Protein in Premature Infants With Respiratory Distress Syndrome (RDS)

NCT01473264
View directory record Official record
Conditions
Respiratory Distress Syndrome in Premature Infant, Bronchopulmonary Dysplasia
Interventions
recombinant human CC10 (rhCC10), placebo
Drug
Lead sponsor
Clarassance, Inc.
Industry
Eligibility
24 Weeks to 29 Weeks
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2003
U.S. locations
4
States / cities
Wilmington, Delaware • Baltimore, Maryland • Mineola, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2011 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational

Trendelenberg Versus Left Lateral Position for Colonoscopy

NCT02519686
View directory record Official record
Conditions
Colonic Diseases
Interventions
Not listed
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 2, 2016 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

Improved Intra-operative Safety From Optimal Selection of Anti-slip Surface

NCT03573557
View directory record Official record
Conditions
Vaginal Surgery, Laparoscopic Surgery
Interventions
Pink Pad, Bean Bag, Gel Pad
Device
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

A Simple Clinical Maneuver to Reduce Laparoscopy Induced Shoulder Pain

NCT00575237
View directory record Official record
Conditions
Shoulder Pain
Interventions
Recruitment manouver
Procedure
Lead sponsor
Phelps, Paul, M.D.
Individual
Eligibility
15 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Wildomar, California
Source: ClinicalTrials.gov public record
Updated Dec 18, 2007 · Synced Oct 20, 2026, 6:52 PM EDT