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ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:32 AM EDT

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

Showing 241–264 of 577 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Expiration Clear all
Completed No phase listed Observational

sPLA2 in EBC During Acute Chest Syndrome

NCT03250585
View directory record Official record
Conditions
Sickle Cell Disease, Acute Chest Syndrome
Interventions
Exhaled Breath Condensate (EBC), Plasma Sample
Diagnostic Test
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
7 Years to 30 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional Results available

Effectiveness of Expiratory Muscle Strength Training for Improving Communication in ALS

NCT05003167
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Expiratory Muscle Strength Training (EMST-150)
Device
Lead sponsor
Purdue University
Other
Eligibility
40 Years to 70 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pranayama Practice on the Autonomic Nervous System

NCT03280589
View directory record Official record
Conditions
Pranayama Effect on Autonomic Nervous System, Respiration Variability Effect on Nervous System
Interventions
Sheetali/Sheekari Pranayama, Sitting Quietly, Deep breathing
Other
Lead sponsor
National University of Natural Medicine
Other
Eligibility
25 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Oct 29, 2026, 4:32 AM EDT
Terminated Not applicable Interventional Results available

Expiratory Muscle Strength Training and Phonation Resistance Training Exercises For Elderly Patients With Vocal Fold Atrophy

NCT03696576
View directory record Official record
Conditions
Voice Disorder, Vocal Cord Atrophy, Presbyphonia
Interventions
EMST, PhoRTE
Device · Behavioral
Lead sponsor
Emory University
Other
Eligibility
65 Years to 95 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Atlanta, Georgia • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 30, 2021 · Synced Oct 29, 2026, 4:32 AM EDT
Terminated Not applicable Interventional

Stress Index to Individualize Mechanical Ventilation in ARDS

NCT02871102
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Recruitment Maneuver with PEEP and Tidal Volume Optimization
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional Results available

Changes in Exhaled 13CO2/12CO2 Breath Delta Value as an Early Indicator of Infection in ICU Patients

NCT02327130
View directory record Official record
Conditions
Sepsis
Interventions
Isomark Canary™
Device
Lead sponsor
Isomark, LLC
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
6
States / cities
Gainesville, Florida • Jacksonville, Florida • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 3, 2019 · Synced Oct 29, 2026, 4:32 AM EDT
Terminated Not applicable Interventional

Out of Plane Approach for Interscalene

NCT03785392
View directory record Official record
Conditions
Acute Pain, Brachial Plexus Block
Interventions
Group 1 In-plane, Group 2 out of plane
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Galveston, Texas • League City, Texas
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Expiratory Muscle Training for Persons With Neurodegenerative Disease

NCT00856518
View directory record Official record
Conditions
Parkinson's Disease, Multiple Sclerosis
Interventions
EMST, Sham
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 80 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 10, 2017 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Phase 3 Interventional

Ventilatory Muscle Training in Stroke

NCT02828943
View directory record Official record
Conditions
Stroke, Pulmonary Ventilation, Exercise Therapy
Interventions
IMT with High Resistance EMT, IMT with Low Resistance EMT
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 17, 2019 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Phase 3 Interventional Results available

Efficacy & Safety of OPN-375 Adults With Bilateral Nasal Polyps Using Nasoendoscopic Video

NCT03591068
View directory record Official record
Conditions
Nasal Polyposis
Interventions
Fluticasone Propionate
Drug
Lead sponsor
Optinose US Inc.
Industry
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Aurora, Colorado • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 3, 2020 · Synced Oct 29, 2026, 4:32 AM EDT
Not yet recruiting Not applicable Interventional

Miniature In-line Respirator

NCT07768215
View directory record Official record
Conditions
Brain Death, Respiration, Artificial
Interventions
Hope inVent
Device
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
1 Year to 100 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2026 · Synced Oct 29, 2026, 4:32 AM EDT
Completed No phase listed Observational Results available

A Study to Explore the Utility of Fractional Exhaled Nitric Oxide (FeNO) Compared With Methacholine Challenge (MCC) Testing in the Assessment of Patients With Suspected But Undiagnosed Asthma

NCT01648920
View directory record Official record
Conditions
Asthma
Interventions
NIOX MINO® Instrument (09-1100)
Device
Lead sponsor
Aerocrine AB
Industry
Eligibility
7 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
8
States / cities
Blue Bell, Pennsylvania • Collegeville, Pennsylvania • Doylestown, Pennsylvania + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2014 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional

FLO2 for Recovery After SCI

NCT03833674
View directory record Official record
Conditions
Spinal Cord Injury (SCI)
Interventions
Daily AIH Block, Sham dAIH Block, Respiratory Strength Training Block, AIH + Strength Training Block
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Oct 29, 2026, 4:32 AM EDT
Completed No phase listed Observational

Exhaled Nitric Oxide and Airway Caliber in Children With Asthma

NCT01645397
View directory record Official record
Conditions
Asthma in Children
Interventions
Not listed
Lead sponsor
Atlantic Health System
Other
Eligibility
6 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 16, 2014 · Synced Oct 29, 2026, 4:32 AM EDT
Recruiting Phase 3 Interventional

Efficacy and Safety of 186 mcg of OPN-375 Nasal Spray Twice a Day (BID) in Adolescents With Chronic Rhinosinusitis Without Nasal Polyps

NCT06850805
View directory record Official record
Conditions
Chronic Rhinosinusitis Without Nasal Polyps
Interventions
OPN-375, Placebo
Drug
Lead sponsor
Optinose US Inc.
Industry
Eligibility
12 Years to 17 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
24
States / cities
Huntsville, Alabama • Gilbert, Arizona • Los Angeles, California + 20 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional

Respiratory-Gated Vagal Nerve Stimulation for Chronic Pain

NCT04053127
View directory record Official record
Conditions
Chronic Pain
Interventions
RAVANS
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Oct 29, 2026, 4:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Detecting Drugs of Abuse Via Exhaled Breath Samples Using Differential Mobility Spectrometry

NCT05384470
View directory record Official record
Conditions
Opiate Abuse, Marijuana Abuse, Diagnostic
Interventions
Marihuana, BID2 Instrument - breathalyzer
Drug · Device
Lead sponsor
Mclean Hospital
Other
Eligibility
21 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 29, 2026, 4:32 AM EDT
Recruiting Not applicable Interventional

High Frequency Oscillatory Ventilation Versus High Frequency Jet Ventilation for Congenital Diaphragmatic Hernia

NCT04774848
View directory record Official record
Conditions
Congenital Diaphragmatic Hernia
Interventions
High Frequency Jet Ventilator, High Frequency Oscillatory Ventilator
Device
Lead sponsor
University of Utah
Other
Eligibility
Up to 24 Hours
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 29, 2026, 4:32 AM EDT
Withdrawn No phase listed Observational

Assessing Upper Airway Patency in Tracheostomy Patients During One Way Speaking Valve Trial

NCT04685902
View directory record Official record
Conditions
Tracheostomy Complication
Interventions
One-way speaking valve
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Oct 29, 2026, 4:32 AM EDT
Withdrawn No phase listed Observational

Oral Contraceptives and Asthma Control

NCT00662051
View directory record Official record
Conditions
Asthma, Regulatory T Cell Function
Interventions
Not listed
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 45 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 9, 2013 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tobacco Use in Pregnancy Intervention for Cessation

NCT03442530
View directory record Official record
Conditions
Pregnancy
Interventions
ToPIC, Tobacco Treatment As Usual (TTAU)
Behavioral
Lead sponsor
Kristin Ashford
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 29, 2026, 4:32 AM EDT
Withdrawn No phase listed Observational

Exhaled Carbon Monoxide as a Marker of Hemolysis in Sickle Cell Disease- an Exploratory Study

NCT01888614
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 23, 2016 · Synced Oct 29, 2026, 4:32 AM EDT
Completed Not applicable Interventional

Impact of Community-Based Biofeedback Program on Drug Use and Mental Health Among People Experiencing Homelessness

NCT05897580
View directory record Official record
Conditions
Heart Rate Variability
Interventions
Heart Rate Variability - Biofeedback (HRV-BF), Health Promotion (HP)
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
3
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2023 · Synced Oct 29, 2026, 4:32 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Transference of Established Simulated Skills (TEST) Trial

NCT06572033
View directory record Official record
Conditions
Neonatal Respiratory Distress
Interventions
Simulation
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
Not listed
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 29, 2026, 4:32 AM EDT