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ClinicalTrials.gov public records Last synced Oct 30, 2026, 10:25 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 112 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: sputum Clear all
Withdrawn No phase listed Observational

Prostaglandin E2 as a Critical Mediator of Sex Disparities in Asthma

NCT03825302
View directory record Official record
Conditions
Asthma
Interventions
Methacholine challenge, Mannitol challenge
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Oct 30, 2026, 10:25 AM EDT
Recruiting No phase listed Observational

Evaluation Of The Lung Microbiome In NTM Bronchiectasis

NCT02779478
View directory record Official record
Conditions
Nontuberculous Mycobacteria, Bronchiectasis
Interventions
Bronchoscopy
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 30, 2026, 10:25 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Sputum and Labeling for Lung Cancer

NCT03457415
View directory record Official record
Conditions
Lung Cancer
Interventions
Not listed
Lead sponsor
bioAffinity Technologies Inc.
Industry
Eligibility
21 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
3
States / cities
Summit, New Jersey • Albuquerque, New Mexico • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Oct 30, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding and Diagnosing Allergic Disease in Twins

NCT01613885
View directory record Official record
Conditions
Allergies
Interventions
No Intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
0 Years to 80 Years
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
2
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Not applicable Interventional Results available

Intrapulmonary Percussive Ventilation for Sputum Induction in Adults With Cystic Fibrosis

NCT06311292
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Volara System
Device
Lead sponsor
Daniel J. Weiner
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 30, 2026, 10:25 AM EDT
Suspended Phase 4 Interventional

TEM-PCR™ Prospective Clinical Utility Study

NCT04248361
View directory record Official record
Conditions
Upper Resp Tract Infection
Interventions
TEM-PCR URI Panel, SOC/Empiric Diagnosis
Diagnostic Test · Other
Lead sponsor
Diatherix Laboratories, LLC
Industry
Eligibility
65 Years and older
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
4
States / cities
Athens, Alabama • Huntsville, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 20, 2021 · Synced Oct 30, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

CF And Effects of Drugs Mixed Ex Vivo With Sputum for Mucolytic Treatment

NCT01533636
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 30, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Multi-Center Protocol for Obtaining and Storing Human Samples for Immediate or Future Microbial, Immune, or Host-Microbe Scientific Study

NCT00764023
View directory record Official record
Conditions
Infections
Interventions
Not listed
Lead sponsor
Southwest Regional Wound Care Center
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2015 · Synced Oct 30, 2026, 10:25 AM EDT
Not listed No phase listed Observational

Improving P. Aeruginosa Detection With Breath-based Diagnostics (IMPACT-Breath)

NCT04735952
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
University of British Columbia
Other
Eligibility
3 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
5
States / cities
Phoenix, Arizona • Aurora, Colorado • Denver, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Oct 30, 2026, 10:25 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Characterization of Airway Mucus in Bronchiectasis Patients and Healthy Controls

NCT03125174
View directory record Official record
Conditions
Bronchiectasis Adult
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Effectiveness of MEDI-563 in Subjects With Chronic Obstructive Pulmonary Disease (COPD)

NCT01227278
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Placebo, Benralizumab 100 mg
Other · Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
40 Years to 85 Years
Enrollment
421 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
9
States / cities
Los Angeles, California • Marietta, Georgia • Normal, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2016 · Synced Oct 30, 2026, 10:25 AM EDT
Terminated Phase 2 Interventional Results available

Trial of Inhaled Molgramostim in Cystic Fibrosis Subjects With Nontuberculous Mycobacterial Infection

NCT03597347
View directory record Official record
Conditions
Mycobacterium Infections, Nontuberculous, Cystic Fibrosis (CF)
Interventions
Molgramostim nebulizer solution, PARI eFlow nebulizer system
Drug · Device
Lead sponsor
Savara Inc.
Industry
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
5
States / cities
Denver, Colorado • Orlando, Florida • New Hyde Park, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Biomarkers of Irritant-Induced and Allergic Asthma

NCT02740543
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone propionate HFA 220
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Oct 30, 2026, 10:25 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

A Multi-Center Protocol for Obtaining and Storing Human Samples for Immediate or Future Microbial, Immune, or Host Microbe Scientific Study

NCT00765141
View directory record Official record
Conditions
Infection
Interventions
Not listed
Lead sponsor
Southwest Regional Wound Care Center
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Nov 26, 2015 · Synced Oct 30, 2026, 10:25 AM EDT
Not listed No phase listed Observational

Yersinia Pestis Lateral Flow Immunoassay for Blood Samples

NCT04688996
View directory record Official record
Conditions
Plague, Plague, Bubonic, Plague, Pneumonic, Yersinia Pestis Plague, Yersinia Pestis; Bubo, Yersinia Pestis; Pneumonia, Yersinia Sepsis, Yersinia Pestis Infection, Bubo; Yersinia Pestis, Bubonic; Plague, Skin, Pneumonic Plague
Interventions
Lateral Flow Assay for Pathogens of the Plague
Diagnostic Test
Lead sponsor
Brimrose Technology Corporation
Industry
Eligibility
5 Years to 75 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2022 · Synced Oct 30, 2026, 10:25 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effects of Montelukast on Occult Exercise-Induced Bronchospasm in Athletes

NCT00375232
View directory record Official record
Conditions
Exercise-Induced Bronchospasm
Interventions
Administration of montelukast or placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Assessment of Inflammatory Mediators (AIM)

NCT00219895
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ibuprofen
Drug
Lead sponsor
Ramsey, Bonnie, MD
Individual
Eligibility
10 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
16
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2007 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Phase 4 Interventional

Doxycycline Effects on Inflammation in Cystic Fibrosis

NCT01323101
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Doxycycline, No doxycycline
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sputum Labeling Utilizing Synthetic Meso-Tetra (4-Carboxyphenyl) Porphine (TCPP) for Detection of Lung Cancer

NCT02388074
View directory record Official record
Conditions
Lung Cancer
Interventions
CyPath®
Device
Lead sponsor
bioAffinity Technologies Inc.
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Oct 30, 2026, 10:25 AM EDT
Active, not recruiting No phase listed Observational

Early Detection of Lung Cancer

NCT03181256
View directory record Official record
Conditions
Lung Cancer
Interventions
Biospecimen collection, Pulmonary Function Test, Computed Tomography (CT), Laboratory Biomarker
Procedure · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
55 Years to 80 Years
Enrollment
45 participants
Timeline
2017 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 30, 2026, 10:25 AM EDT
Terminated Phase 4 Interventional Results available

Inpatient Clinical Trial of NAC

NCT03581084
View directory record Official record
Conditions
Asthma
Interventions
N-acetylcysteine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Ipratropium on Acute Bronchitis in Subjects Without Underlying Lung Disease

NCT00371527
View directory record Official record
Conditions
Bronchitis
Interventions
ipratropium
Drug
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Oct 17, 2008 · Synced Oct 30, 2026, 10:25 AM EDT
Completed Phase 1 Interventional

A Pilot Study of Methodology to Rapidly Evaluate Drugs for Bactericidal Activity, Tolerance, and Pharmacokinetics in the Treatment of Pulmonary Tuberculosis Using Isoniazid and Levofloxacin

NCT00000778
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Pyridoxine hydrochloride, Levofloxacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Torrance, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 8, 2008 · Synced Oct 30, 2026, 10:25 AM EDT
Not listed No phase listed Observational

Investigate the Development and Progression of Lung Disease in Rheumatoid Arthritis Over Time

NCT03616158
View directory record Official record
Conditions
Rheumatoid Arthritis, Lung Diseases
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
340 participants
Timeline
2018 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 30, 2026, 10:25 AM EDT