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ClinicalTrials.gov public records Last synced Sep 14, 2026, 3:35 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Function Impaired Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Latera RCT - Latera vs. Sham Control for Lateral Nasal Valve Collapse

NCT03400787
View directory record Official record
Conditions
Nasal Valve Collapse, Nasal Breathing
Interventions
Latera Implant, Sham Procedure
Device
Lead sponsor
Spirox, Inc.
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
11
States / cities
Roseville, California • Torrance, California • Atlanta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Steady State Kinetics of l-Methamphetamine and Validation of Sensitivity of Dose Estimation

NCT00829634
View directory record Official record
Conditions
Nasal Congestion
Interventions
l-methamphetamine, d-methamphetamine
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 30, 2013 · Synced Sep 14, 2026, 3:35 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Development of an Algorithm That Predicts Hypoventilation Due to an Opioid Overdose

NCT03845699
View directory record Official record
Conditions
Drug Overdose, Opioid-Related Disorders
Interventions
Diagnostic algorithms that detects/predicts hypoventilation
Device
Lead sponsor
RTM Vital Signs, LLC
Industry
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Renal Impairment Study of PF-07321332 Boosted With Ritonavir in Adult Participants With Renal Impairment and in Healthy Participants With Normal Renal Function.

NCT04909853
View directory record Official record
Conditions
Renal Impairment
Interventions
PF-07321332/ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
5
States / cities
Tustin, California • Miami, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 14, 2026, 3:35 PM EDT
Terminated Not applicable Interventional

Treatment of Muscle Weakness in Critically Ill Patients

NCT02247895
View directory record Official record
Conditions
Critical Illness, Respiratory Failure, Myopathy, Weakness
Interventions
Sham Treatment, Electrical stimulation
Device
Lead sponsor
Gerald Supinski
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 21, 2020 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Phase 3 Interventional Results available

Astral VAPS AutoEPAP Clinical Trial

NCT02683772
View directory record Official record
Conditions
Upper Airway Obstruction, Respiratory Insufficiency, Respiratory Failure
Interventions
Astral
Device
Lead sponsor
ResMed
Industry
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
5
States / cities
La Jolla, California • Denver, Colorado • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2019 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Results available

A Randomized, Controlled Trial of Inspiratory Muscle Training (IMT)in the ICU and CCU

NCT02003053
View directory record Official record
Conditions
Critically Ill, Respiratory Failure
Interventions
Inspiratory Muscle Trainer
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 90 Years
Enrollment
7 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 Sep 6, 2018 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interactive Effects of Mindfulness and Slow-paced Breathing

NCT04866901
View directory record Official record
Conditions
Stress, Stress, Psychological, Stress Physiology, Sleep, Slow Breathing
Interventions
Slow-Paced Breathing (SPB), Mindfulness (M), Yogic Breathing (SPB+M)
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 24 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Sep 14, 2026, 3:35 PM EDT
Active, not recruiting Phase 2 Interventional

I-SPY COVID-19 TRIAL: An Adaptive Platform Trial for Critically Ill Patients

NCT04488081
View directory record Official record
Conditions
COVID-19
Interventions
Remdesivir, Imatinib Mesylate, Dexamethasone, Cenicriviroc, Icatibant, Apremilast, dornase alfa, Celecoxib, Famotidine, IC14, Aviptadil, narsoplimab, Cyproheptadine, Cyclosporine
Drug · Biological
Lead sponsor
QuantumLeap Healthcare Collaborative
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2030
U.S. locations
36
States / cities
Birmingham, Alabama • Davis, California • Irvine, California + 30 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Phase 3 Interventional

Phase 3 Efficacy and Safety Study of Favipiravir for Treatment of Uncomplicated Influenza in Adults

NCT02008344
View directory record Official record
Conditions
Influenza
Interventions
favipiravir, placebo
Drug
Lead sponsor
MDVI, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
1,161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
147
States / cities
Birmingham, Alabama • Huntsville, Alabama • Camp Verde, Arizona + 123 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Sep 14, 2026, 3:35 PM EDT
Completed No phase listed Observational

Assessment of Breathing Using an Under-bed Weighing Scale

NCT04736212
View directory record Official record
Conditions
Postoperative Respiratory Complication, Respiratory Failure
Interventions
Bed sensor monitoring system
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 4, 2023 · Synced Sep 14, 2026, 3:35 PM EDT
Terminated Not applicable Interventional

Sedation Versus No Sedation in a Spontaneous Breathing Trial

NCT00366353
View directory record Official record
Conditions
Respiratory Insufficiency
Interventions
Sedation during SBT, No sedation
Other
Lead sponsor
Memorial Medical Center
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Johnstown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 17, 2015 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Phase 2 Interventional Results available

A Pivotal Subjective Sleep Study of a Nasal Dilator (Breathe Right Tan)

NCT03549117
View directory record Official record
Conditions
Congestion, Nasal
Interventions
Breathe Right Tan (small/medium) nasal strips, Placebo nasal strip
Device · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Verona, New Jersey • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Sep 14, 2026, 3:35 PM EDT
Completed No phase listed Observational

Transpulmonary Pressures in Mechanical Ventilated Patients With Morbid Obesity

NCT02309190
View directory record Official record
Conditions
Mechanical Ventilation Complication, Respiratory Insufficiency
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Results available

Safety and Efficacy of Endotracheal Intubation Using Glidescope Video-Laryngoscope

NCT01683526
View directory record Official record
Conditions
Respiratory Failure
Interventions
Direct laryngoscopy, Video laryngoscopy (Glidescope)
Procedure · Device
Lead sponsor
Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2014 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Results available

COMPASSION - COngenital Multicenter Trial of Pulmonic VAlve Regurgitation Studying the SAPIEN InterventIONal THV

NCT00676689
View directory record Official record
Conditions
Pulmonary Valve Insufficiency, Pulmonary Regurgitation, Dysfunctional RVOT Conduit, Pulmonary Obstruction, Pulmonary Stenosis
Interventions
SAPIEN Transcatheter Valve Implantation
Device
Lead sponsor
Edwards Lifesciences
Industry
Eligibility
Not listed
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
7
States / cities
Los Angeles, California • Miami, Florida • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 25, 2020 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Breathing Interventions for Relaxation: Dosing Through Extended Exhale

NCT02870868
View directory record Official record
Conditions
Healthy Adults, Stress
Interventions
Slow breathing
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
30 Years to 60 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Sep 14, 2026, 3:35 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Phase Resolved Functional Lung MRI and Oscillometry for the Observation of Healthy Lung Function

NCT07614685
View directory record Official record
Conditions
Breathing, Lung Function Decreased, MRI Imaging, Healthy
Interventions
Airway Oscillometer, Phase Resolved Functional Lung MRI
Device · Diagnostic Test
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional Results available

The Effects of Ketamine on Respiratory Stimulation and Transpulmonary Pressures

NCT01969227
View directory record Official record
Conditions
Mechanical Ventilation, Airway Patency, Respiratory Depression
Interventions
Subanesthetic ketamine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 14, 2026, 3:35 PM EDT
Terminated Phase 2Phase 3 Interventional

Enteral Glutamine in Critical Illness

NCT00318331
View directory record Official record
Conditions
Critical Illness, Sepsis, Respiratory Insufficiency
Interventions
Glutamine
Drug
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Mar 12, 2008 · Synced Sep 14, 2026, 3:35 PM EDT
Terminated Not applicable Interventional

Mechanical Ventilation in Severe Brain Injury: The Effect of Positive End Expiratory Pressure on Intracranial Pressure

NCT02680704
View directory record Official record
Conditions
Intracranial Hypertension, Critical Illness, Brain Injuries, Lung Injury, Respiratory Failure, Positive-Pressure Respiration, Intrinsic
Interventions
PEEP titrated mechanical ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Sep 14, 2026, 3:35 PM EDT
Completed Not applicable Interventional

CTSI-iPad for Vented Patient Communication

NCT03163823
View directory record Official record
Conditions
Respiratory Failure
Interventions
Proloquo2Go, Standard of Care
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Sep 14, 2026, 3:35 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Effects of mTOR Inhibition With Sirolimus (RAPA) in Patients With COVID-19 to Moderate the Progression of ARDS

NCT04482712
View directory record Official record
Conditions
Acute Lung Injury/Acute Respiratory Distress Syndrome (ARDS), Respiratory Failure, Sars-CoV2
Interventions
Rapamycin, Placebo
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
60 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2021 · Synced Sep 14, 2026, 3:35 PM EDT
Terminated No phase listed Observational

Muscle Atrophy in Patients With Severe Sepsis

NCT01717651
View directory record Official record
Conditions
Severe Sepsis, Respiratory Failure
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 17, 2016 · Synced Sep 14, 2026, 3:35 PM EDT