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ClinicalTrials.gov public records Last synced May 22, 2026, 12:54 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.
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Filters: Condition: Breathing Techniques Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Panic Disorder
Interventions
Raise-CO2 breathing regulation training, Lower-CO2 breathing regulation training, Control
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 60 Years
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2008
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2011 · Synced May 22, 2026, 12:54 AM EDT
Terminated Not applicable Interventional
View directory record Official record
Conditions
Ear Deformities, Acquired, Ear; Deformity, Congenital, Microtia, Nose Deformity, Nose Deformities, Acquired, Nose; Deformity, Congenital, Nose; Deformity, Congenital, Bent or Squashed, Nose; Deformity, Syphilitic, Congenital, Nose; Deformity, Bone (Nose Cartilage), Nose; Deformity, Septum, Congenital, Nose; Deformity, Sinus (Wall), Congenital, Nose; Deformity, Syphilitic, Late (Etiology), Ear; Deformity, External, Ear; Deformity, Auricle, Ear, Acquired, Ear; Deformity, Auricle, Ear (Congenital)
Interventions
AuryzoN Family of Devices
Device
Lead sponsor
Reconstrata, LLC
Industry
Eligibility
Not listed
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 22, 2025 · Synced May 22, 2026, 12:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Ventilator Acquired Pneumonia
Interventions
Acceler8 Pheno
Diagnostic Test
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 23, 2019 · Synced May 22, 2026, 12:54 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Nitric Oxide generated by the GeNO nitrosyl delivery system
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced May 22, 2026, 12:54 AM EDT
Enrolling by invitation Phase 3 Interventional
View directory record Official record
Conditions
Nasal Obstruction, Nasal Surgical Procedures
Interventions
Intra-operative single intravenous(iv) dose of "cephalexin" 2 g or "clindamycin" 900 mg., Intra-operative single dose (iv) of "cephalexin" 2 g or "clindamycin" 900 mg and postoperative oral dose of "cephalexin" 250mg (every 4 hours) or "clindamycin" 150mg(every 6 hours) for 3 days
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
864 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 12:54 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
MRI, MRI Image Enhancement
Interventions
Breath-hold conditions
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced May 22, 2026, 12:54 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Measurement of PPG waveforms, Measurement of Pulse Arrival Time (PAT)
Device
Lead sponsor
Sotera Wireless, Inc.
Industry
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Escondido, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2013 · Synced May 22, 2026, 12:54 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Needle Biopsy, CAT Scan, X-Ray
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Apnea
Interventions
V-E mask ventilation for one minute, C-E mask ventilation for one minute
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 10, 2017 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Autonomic Nervous System Imbalance, Heart Rate Variability (HRV), Opioid Use Disorder, Breathing Techniques, Opioid Craving, Recovery, Emotional Regulation, Positive and Negative Affect, Stress, Biofeedback
Interventions
Heart rate variability biofeedback
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced May 22, 2026, 12:54 AM EDT
Terminated Phase 4 Interventional Results available
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Endotracheal intubation, Laryngeal mask airway, remifentanil
Device · Drug
Lead sponsor
Albany Medical College
Other
Eligibility
2 Hours to 48 Hours
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced May 22, 2026, 12:54 AM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Anovulation, Polycystic Ovarian Syndrome
Interventions
CPAP
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 35 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
High-flow nasal cannula
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced May 22, 2026, 12:54 AM EDT
Not listed Not applicable Interventional
View directory record Official record
Conditions
Intubation
Interventions
Biphasic Cuirass Ventilation
Device
Lead sponsor
University Medical Center of Southern Nevada
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced May 22, 2026, 12:54 AM EDT
Not listed Phase 1 Interventional
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Albuterol Sulfate, 2.5 Mg/3 mL (0.083%) Inhalation Solution, Vibrating Mesh Nebulizer, Metered Dose Inhaler, Jet Nebulizer
Drug · Device
Lead sponsor
Polarean, Inc.
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Apnea of Prematurity
Interventions
NCPAP as mode for apnea prevention, NIPPV as rescue mode for apnea prevention
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2020 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Intubation
Interventions
Standard V-E ventilation technique, Reversal V-E ventilation technique
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 16, 2017 · Synced May 22, 2026, 12:54 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Obesity
Interventions
Propofol Alone, Propofol+Benzo/Opioids
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced May 22, 2026, 12:54 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult
Interventions
High Frequency Oscillatory Ventilation-Hi, High Frequency Oscillatory Ventilation-Lo
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
5
States / cities
Baltimore, Maryland • Columbus, Ohio • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 26, 2013 · Synced May 22, 2026, 12:54 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Cough, Vocal Cord Atrophy, Vocal Cord Paresis, Vocal Cord Paralysis, Dysphagia, Dysphonia
Interventions
Ultrasound for cough, Ultrasound for vocal fold atrophy or vocal fold paresis/paralysis, Ultrasound for dysphagia, Ultrasound for dysphonia
Diagnostic Test
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2030
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced May 22, 2026, 12:54 AM EDT
Terminated Not applicable Interventional Results available
View directory record Official record
Conditions
Hypoxia
Interventions
Vasoconstrictor Agents, Head/neck repositioning, Increase ETCO2, IV fluid bolus, Additional anesthesia, RBC transfusion, Increase FiO2
Drug · Other · Biological
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
65 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 4, 2022 · Synced May 22, 2026, 12:54 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Anxiety, Depression, Stress, Pain, Heart Rate, Blood Pressure
Interventions
Conscious Breathing, Heartfulness Meditation, Emotional Freedom Technique
Other
Lead sponsor
WellSpan Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
York, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 17, 2021 · Synced May 22, 2026, 12:54 AM EDT
Active, not recruiting No phase listed Observational
View directory record Official record
Conditions
Obesity, Obesity, Morbid, Obesity, Primary, Gastro-Intestinal Disorder, Overweight and Obesity, Overweight, Overweight or Obesity, Diabetes Type 2, Diabetes Mellitus, Diabetes Mellitus, Type 2, Hypertension, Hyperlipidemias, Sleep Apnea, GERD, Gastroesophageal Reflux, Musculoskeletal Pain Disorder, Cancer
Interventions
Blood Collection, Urine Collection, Tissue Sample Collection
Diagnostic Test
Lead sponsor
Pichamol Jirapinyo, MD, MPH
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced May 22, 2026, 12:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Paradoxical Vocal Fold Motion Disorder, Vocal Cord Dysfunction
Interventions
Respiratory retraining for PVFMD
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
12 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced May 22, 2026, 12:54 AM EDT