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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Cervical collar Clear all
Completed Not applicable Interventional

Collar Use for Cervical Radicular Pain

NCT04163939
View directory record Official record
Conditions
Cervical Radiculopathy
Interventions
Vista Therapy Collar, Placebo
Other
Lead sponsor
Rhode Island Hospital
Other
Eligibility
18 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 30, 2023 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Temperature Evaluation by MRI Thermometry During Cervical Cooling

NCT02431026
View directory record Official record
Conditions
Healthy
Interventions
Cooling pack activated Excel Cryo Cooling Collar
Device
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 60 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 6, 2016 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Innovative Concussion Prevention Device

NCT02901028
View directory record Official record
Conditions
Concussion
Interventions
Laboratory testing, Blood and Urine Draws
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
18 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 14, 2016 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional

Comparison of Bracing With Co-aptation Splinting for the Initial Treatment of Acute Humeral Shaft Fractures: The COBRAS Trials

NCT05118087
View directory record Official record
Conditions
Humeral Fractures
Interventions
Webril Padded Plaster Splint, Pre-Fabricated Fracture Brace
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Garden City, New York • New York, New York • Queens, New York
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Three Instructional Interventions for Prehospital Cervical Spinal Immobilization by Laypeople

NCT05359575
View directory record Official record
Conditions
Cervical Vertebra Injury, Cervical Vertebra Fracture
Interventions
Audio kit, Instructional flashcard (version 1), In-person training, Instructional flashcard (version 2)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 26, 2022 · Synced Sep 26, 2026, 3:03 AM EDT
Not listed Not applicable Interventional

Study Using Negative Pressure to Reduce Apnea

NCT04861038
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Apnea, Sleep
Interventions
aerSleep II
Device
Lead sponsor
Sommetrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
15
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2024 · Synced Sep 26, 2026, 3:03 AM EDT
Recruiting Not applicable Interventional

Personalized Treatment in Thyroid Disorders

NCT03517579
View directory record Official record
Conditions
Thyroid Cancer, Graves Disease
Interventions
Cervical Collar Therapy Indicator (COTI)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Novel Helmet Design in Patients With Seizures

NCT03443388
View directory record Official record
Conditions
Drug Resistant Epilepsy, Drop Seizures, Generalized Tonic Clonic Seizure, Complex Partial Seizure, Fall Due to Seizure
Interventions
Hövding inflatable helmet
Device
Lead sponsor
Michael A. Gelfand, MD, PhD
Other
Eligibility
18 Years to 60 Years
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Neck Cooling Collar on Exercise Performance in the Heat

NCT05135117
View directory record Official record
Conditions
Hyperthermia
Interventions
NeuroRescue Cooling Collar, Ice Towel
Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Dynamics in Response to Jugular Vein Compression

NCT03236389
View directory record Official record
Conditions
Concussion, Mild
Interventions
Q Collar
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Sep 26, 2026, 3:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of the Laser Pointer in Budgeting Fluoroscopy Time and Radiation Exposure

NCT02051582
View directory record Official record
Conditions
Healthy
Interventions
Surgeons using fluoroscopy with laser pointer, Surgeons using fluoroscopy without laser pointer
Procedure
Lead sponsor
University of Florida
Other
Eligibility
22 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 26, 2026, 3:03 AM EDT
Recruiting Not applicable Interventional

Endovascular Treatment of TAAA and Aortic Arch Aneurysms Using Fenestrated and Branched Stent Grafts

NCT02323581
View directory record Official record
Conditions
Aortic Aneurysm, Thoracoabdominal, Aortic Aneurysm, Thoracic, Aortic Dissection, Thoracoabdominal
Interventions
Endovascular treatment of Thoracoabdominal Aortic Aneurysm, Endovascular treatment of Aortic Arch Aneurysms
Device
Lead sponsor
Darren Schneider, M.D.
Other
Eligibility
18 Years and older
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2033
U.S. locations
2
States / cities
New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 26, 2026, 3:03 AM EDT
Terminated Phase 2 Interventional Results available

PTH Analog Type II Odontoid Fracture

NCT04760782
View directory record Official record
Conditions
Odontoid Fracture
Interventions
Abaloparatide, Hard collar immobilization
Drug · Device
Lead sponsor
David Lunardini
Other
Eligibility
50 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Q-collar and Brain Injury Biomarkers

NCT02271451
View directory record Official record
Conditions
Concussion
Interventions
Q collar
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
14 Years to 19 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 3, 2020 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effectiveness of Continuous Negative External Pressure in Preventing Upper Airway Impairment During Routine Colonoscopy

NCT01895062
View directory record Official record
Conditions
Airway Obstruction, Apnea, Hypopnea
Interventions
Airway Management System (AMS)
Device
Lead sponsor
5i Sciences, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 26, 2026, 3:03 AM EDT
Active, not recruiting No phase listed Observational

Incomplete Cervical SCI Without Instability

NCT05653206
View directory record Official record
Conditions
Cervical Spinal Cord Injury
Interventions
Nonsurgical treatment, Surgical treatment
Procedure
Lead sponsor
AO Foundation, AO Spine
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
San Francisco, California • Baltimore, Maryland • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sex and Age Ultrasound Response to Differential Jugular Vein Pressure

NCT03017937
View directory record Official record
Conditions
Concussion, Mild
Interventions
Q-collar
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
7 Years to 60 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 16, 2020 · Synced Sep 26, 2026, 3:03 AM EDT
Not listed Not applicable Interventional

Randomized, Controlled Trial of Posterior C1-2 Fusion Versus Bracing Alone for Treatment of Type II Odontoid Process Fractures in the Elderly

NCT03788200
View directory record Official record
Conditions
Odontoid Fracture
Interventions
Bracing, posterior C1-C2 instrumented fusion
Procedure
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
65 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Sep 26, 2026, 3:03 AM EDT
Terminated Not applicable Interventional Results available

Providing Optimal PEEP During Mechanical Ventilation for Obese Patients Using Esophageal Balloon

NCT03951064
View directory record Official record
Conditions
Obesity, Morbid, Ventilator-Induced Lung Injury, Respiratory Failure
Interventions
Esophageal balloon, Intervention Spontaneous Breathing Trial (SBT) and Extubation, Control Spontaneous Breathing Trial and Extubation, Intervention Weaning after Tracheostomy, Control Weaning after Tracheostomy
Device · Procedure
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Greenville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Sep 26, 2026, 3:03 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Sensory Training for Orientation and Balance

NCT04331561
View directory record Official record
Conditions
Motion Sickness, Vertigo, Dizziness, Fall
Interventions
sensory re-weighting
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 59 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 27, 2022 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

New Fabric Attenuation Device in Endovascular Interventional Radiology II (PREFER II)

NCT01611454
View directory record Official record
Conditions
Occupational Exposure to Radiation
Interventions
XPF thyroid collar, Standard 0.5mm lead equivalent thyroid collar
Device
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 18, 2021 · Synced Sep 26, 2026, 3:03 AM EDT
Withdrawn Not applicable Interventional

Continuous Negative External Pressure for the Treatment of Primary Snoring

NCT03372070
View directory record Official record
Conditions
Snoring
Interventions
cNEP
Device
Lead sponsor
Sommetrics, Inc.
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Sep 26, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Performance of MicroTextured Dental Implants

NCT01821417
View directory record Official record
Conditions
Partially Edentulous Jaw
Interventions
Microtextured dental implant treatment, Dental implant treatment
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 26, 2026, 3:03 AM EDT
Not listed No phase listed Observational

In Vivo Quantification of Cervical Collar Efficacy

NCT05262140
View directory record Official record
Conditions
Spine Injury
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Sep 26, 2026, 3:03 AM EDT