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Showing 1–24 of 8,589 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Diseases of the Respiratory System Clear all
Completed Phase 2 Interventional

Continuous Positive Airway Pressure for the Treatment of Stroke

NCT00368628
View directory record Official record
Conditions
Acute Ischemic Stroke, Sleep Apnea
Interventions
continuous positive airway pressure
Procedure
Lead sponsor
Yale University
Other
Eligibility
50 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 2, 2009 · Synced Jul 22, 2026, 12:56 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

A First-in-human Study to Evaluate the Safety and Tolerability of AZD8853 in Participants With Selected Advanced/Metastatic Solid Tumours

NCT05397171
View directory record Official record
Conditions
Urinary Bladder Neoplasms, Colorectal Cancer, Carcinoma, Non-Small-Cell Lung
Interventions
AZD8853, Zirconium-89 crefmirlimab berdoxam
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
Atlanta, Georgia • St Louis, Missouri • Providence, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study to Evaluate the Safety of a Bivalent Vaccine of New 6:2 Influenza Virus Reassortants in Healthy Adults

NCT00125944
View directory record Official record
Conditions
Healthy, Influenza
Interventions
FluMist
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
4
States / cities
San Diego, California • Daytona Beach, Florida • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated May 8, 2007 · Synced Jul 22, 2026, 12:56 AM EDT
Active, not recruiting No phase listed Observational

Imaging and Blood-Based Biomarkers for the Evaluation of Early Signs of Myocardial Injury After Thoracic Radiation Therapy

NCT05717998
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma, GastroEsophageal Cancer, Esophagus Cancer
Interventions
Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging of the Heart, Positron Emission Tomography
Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Terminated Phase 1 Interventional

Donor Natural Killer Cells, Cyclophosphamide, and Etoposide in Treating Children and Young Adults With Relapsed or Refractory Solid Tumors

NCT03420963
View directory record Official record
Conditions
Recurrent Cutaneous Melanoma, Recurrent Lip and Oral Cavity Carcinoma, Recurrent Malignant Endocrine Neoplasm, Recurrent Malignant Female Reproductive System Neoplasm, Recurrent Malignant Male Reproductive System Neoplasm, Recurrent Malignant Mesothelioma, Recurrent Malignant Neoplasm of Multiple Primary Sites, Recurrent Malignant Oral Neoplasm, Recurrent Malignant Pharyngeal Neoplasm, Recurrent Malignant Skin Neoplasm, Recurrent Malignant Soft Tissue Neoplasm, Recurrent Malignant Solid Neoplasm, Recurrent Malignant Thyroid Gland Neoplasm, Recurrent Malignant Urinary System Neoplasm, Refractory Cutaneous Melanoma, Refractory Malignant Bone Neoplasm, Refractory Malignant Endocrine Neoplasm, Refractory Malignant Female Reproductive System Neoplasm, Refractory Malignant Male Reproductive System Neoplasm, Refractory Malignant Mesothelioma, Refractory Malignant Neoplasm of Multiple Primary Sites, Refractory Malignant Oral Neoplasm, Refractory Malignant Pharyngeal Neoplasm, Refractory Malignant Skin Neoplasm, Refractory Malignant Soft Tissue Neoplasm, Refractory Malignant Solid Neoplasm, Refractory Malignant Thyroid Gland Neoplasm, Refractory Malignant Urinary System Neoplasm
Interventions
Cord Blood-derived Expanded Allogeneic Natural Killer Cells, Cyclophosphamide, Etoposide
Biological · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
12 Months to 40 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Enrolling by invitation No phase listed Observational

Prospective Procurement of Tumor Tissue to Identify Novel Therapeutic Targets and Study the Tumor Microenvironment

NCT05600933
View directory record Official record
Conditions
Solid Tumors, Hematologic Malignancy, Gastrointestinal Cancer, Liver Cancer, Pancreatic Cancer, Melanoma, Pre-Malignancy, Lung Cancer
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2033
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Impact of Exogenous Ketones on Sleep Apnea

NCT06687655
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep
Interventions
Ketone-IQ, Placebo
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Phase 3 Interventional Results available

Study to Evaluate the Efficacy and Safety of Tezepelumab in Reducing Oral Corticosteroid Use in Adults With Oral Corticosteroid Dependent Asthma

NCT03406078
View directory record Official record
Conditions
Asthma
Interventions
Tezepelumab, Placebo
Biological · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
21
States / cities
Bakersfield, California • Newark, Delaware • Kissimmee, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2021 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Phase 1 Interventional

Natural Killer Cells and Bortezomib to Treat Cancer

NCT00720785
View directory record Official record
Conditions
Chronic Myeloid Leukemia (CML), Pancreatic Ca, Colon/Rectal Ca, Multiple Myeloma, Carcinoma, Non-Small -Cell Lung
Interventions
Bortezomib, NK cells
Drug · Biological
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Recruiting Not applicable Interventional

Spinal Cord Stimulation for Respiratory Rehabilitation in Patients With Chronic Spinal Cord Injury

NCT06019949
View directory record Official record
Conditions
Spinal Cord Injuries, Respiration Disorders
Interventions
Transcutaneous spinal cord stimulator, Respiratory Training
Device
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2030
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Phase 2 Interventional

A Clinical Trial of KT07 Capsule in the U.S.A

NCT02867358
View directory record Official record
Conditions
Influenza, Human
Interventions
KT07 Capsule, Placebo
Drug · Other
Lead sponsor
Yiling Pharmaceutical Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
391 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
81
States / cities
Birmingham, Alabama • Pelham, Alabama • Tolleson, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Jul 22, 2026, 12:56 AM EDT
Terminated Not applicable Interventional Results available

OSA Screen Negative With Spinal Duramorph

NCT03151226
View directory record Official record
Conditions
Respiratory Depression
Interventions
Capnography monitoring
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 6, 2018 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Early Phase 1 Interventional Results available

Neoadjuvant Itraconazole in Non-small Cell Lung Cancer

NCT02357836
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
Itraconazole
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study to Evaluate the Effects of Itraconazole, Carbamazepine, Quinidine and Fluconazole on the Pharmacokinetics and Safety of EDP-323.

NCT06847464
View directory record Official record
Conditions
RSV Infection, Drug Drug Interaction (DDI)
Interventions
EDP-323, Itraconazole, carbamazepine, Quinidine, fluconazole
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Jul 22, 2026, 12:56 AM EDT
Recruiting Phase 3 Interventional

AMAZE 4: A Research Study Investigating How Well the Medicine NNC0487-0111 Helps People With Excess Body Weight and Obstructive Sleep Apnoea Treated With Positive Airway Pressure Lose Weight and Improve Sleep Apnoea

NCT07571109
View directory record Official record
Conditions
Obesity, Overweight, Obstructive Sleep Apnoea
Interventions
NNC0487-0111, Placebo (matched to NNC0487-0111)
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
20
States / cities
Gilbert, Arizona • Bradenton, Florida • Naples, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Active, not recruiting Phase 2 Interventional

A Study to Assess the Efficacy and Safety of Verekitug in Participants With COPD

NCT06981078
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Verekitug, Placebo
Drug · Other
Lead sponsor
Upstream Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
29
States / cities
Bakersfield, California • Encino, California • Lomita, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Completed No phase listed Observational

Gastrointestinal Microbiome Influence on the Development of Bronchopulmonary Dysplasia

NCT03229967
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
16S rRNA stool microbiome sequencing.
Diagnostic Test
Lead sponsor
University of Tennessee
Other
Eligibility
0 Days to 7 Days
Enrollment
197 participants
Timeline
2017 – 2020
U.S. locations
2
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Not applicable Interventional Results available

Pilot Study of a Self-Supporting Nasopharyngeal Airway in Hypotonia

NCT04846400
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Hypotonia, Child, Only
Interventions
ssNPA
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 21 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Jul 22, 2026, 12:56 AM EDT
Terminated Phase 2 Interventional Results available

Study of Human Plasma-Derived Alpha1-Proteinase Inhibitor in Subjects With New-Onset Type 1 Diabetes Mellitus

NCT02093221
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
180 mg/kg Alpha1-PI, 90 mg/kg Alpha1-PI, Placebo
Biological
Lead sponsor
Grifols Therapeutics LLC
Industry
Eligibility
6 Years to 35 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
36
States / cities
Tucson, Arizona • Los Angeles, California • Orange, California + 28 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2018 · Synced Jul 22, 2026, 12:56 AM EDT
Completed Not applicable Interventional Results available

Uncontrolled Lower Respiratory Symptoms in the WTC Survivor Program

NCT02024204
View directory record Official record
Conditions
Lung Diseases, Medication Compliance
Interventions
Fluticasone propionate 230mcg for 3 Months, Current Treatment or no treatment, Salmeterol 21mcg for 3 Months
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Jul 22, 2026, 12:56 AM EDT
Withdrawn No phase listed Observational

Assessing Respiratory Variability During Mechanical Ventilation in Acute Lung Injury (ALI)

NCT01083355
View directory record Official record
Conditions
Acute Lung Injury, Adult Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 29, 2016 · Synced Jul 22, 2026, 12:56 AM EDT
Active, not recruiting Phase 2 Interventional

Adjuvant Treatment With Cisplatin-based Chemotherapy Plus Concomitant Atezolizumab in Patients With Stage I (Tumors ≥ 4cm), IIA, IIB, and Select Stage III [Any T1-3 N1-2 and T4N0-2] Resected Non-small Cell Lung Cancer (NSCLC) and the Clearance of Circulating Tumor DNA (ctDNA)

NCT04367311
View directory record Official record
Conditions
Lung Cancer, NSCLC
Interventions
Atezolizumab, Docetaxel, Cisplatin, Pemetrexed
Drug
Lead sponsor
Nasser Hanna
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
9
States / cities
Chicago, Illinois • Indianapolis, Indiana • Berkeley Heights, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

An Extension Study of Treprostinil Palmitil Inhalation Powder (TPIP) for Pulmonary Arterial Hypertension (PAH)

NCT05649748
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Treprostinil Palmitil, Placebo
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
6
States / cities
Jacksonville, Florida • Tampa, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Jul 22, 2026, 12:56 AM EDT
Not yet recruiting Phase 1 Interventional

Phase 1 Study Of Izalontamab Brengitecan + Adagrasib In NSCLC - The IZA-A Trial

NCT07382726
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
Adagrasib, Iza-bren
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jul 22, 2026, 12:56 AM EDT