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ClinicalTrials.gov public records Last synced Oct 22, 2026, 1:35 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Sputum collection Clear all
Completed Not applicable Interventional

Fluorescent Light Bronchoscopy Plus White Light Bronchoscopy for Early Detection of Lung Cancer

NCT00019201
View directory record Official record
Conditions
Head and Neck Cancer, Lung Cancer
Interventions
cytology specimen collection procedure, immunohistochemistry staining method, sputum cytology, bronchoscopic and lung imaging studies, bronchoscopy, comparison of screening methods, endoscopic biopsy
Other · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1996
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2015 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Immunophenotyping Assessment in a COVID-19 Cohort

NCT04378777
View directory record Official record
Conditions
Coronavirus Disease 2019 (COVID-19), SARS-CoV-2
Interventions
Biological sample collection, Data Collection: Clinical Care Assessments
Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
1,227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Tucson, Arizona • Los Angeles, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Immune Response Under Immunotherapy in Metastatic NSCLC: Sputum, Blood Samples and Microbioata Study

NCT04804137
View directory record Official record
Conditions
Non-squamous Lung Cancer, Metastatic Lung Cancer
Interventions
Blood, sputum, saliva, stool
Other
Lead sponsor
University Hospital, Tours
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2024 · Synced Oct 22, 2026, 1:35 AM EDT
Active, not recruiting Not applicable Interventional

The Lung PCA: A Multi-Dimensional Atlas of Pulmonary Premalignancy

NCT03881098
View directory record Official record
Conditions
Lung Cancer
Interventions
Bronchoscopies, Sputum Sample, Venipuncture
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

TriVerity in the Diagnosis and Prognosis of Emergency Department Patients With Suspected Infections and Suspected Sepsis

NCT04094818
View directory record Official record
Conditions
Respiratory Tract Infections, Urinary Tract Infections, Intra-Abdominal Infections, Skin and Soft Tissue Infection, Suspected Meningitis/Encephalitis or Any Other Infection, Sepsis
Interventions
TriVerity
Diagnostic Test
Lead sponsor
Inflammatix
Industry
Eligibility
18 Years and older
Enrollment
1,441 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
25
States / cities
Mobile, Alabama • Los Angeles, California • Sacramento, California + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Cough-Generated Aerosols of NTM in Cystic Fibrosis

NCT01815866
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
CF with culturable NTM
Procedure
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 75 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 14, 2015 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sputum Studies of Anti-Citrullinated Protein Antibodies (ACPA) and Rheumatoid Arthritis (RA) Origins

NCT04474392
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
N/A (Observational Study)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
340 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational

Remote Sputum Collection in Cystic Fibrosis

NCT06950892
View directory record Official record
Conditions
Cystic Fibrosis, Infections
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Denver, Colorado • Baltimore, Maryland • Philadelphia, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Not applicable Interventional

Vitamin D and Microbiota in Cystic Fibrosis

NCT02589444
View directory record Official record
Conditions
Vitamin D Deficiency, Cystic Fibrosis
Interventions
High-Dose Vitamin D3, Stool Sample, Sputum Sample, Sham Comparator, Blood draw
Dietary Supplement · Other · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Screening With Portable X-rays for Rapid Recognition of TB

NCT07737275
View directory record Official record
Conditions
Tuberculosis (TB), Tuberculosis Infection, Latent, HIV (Human Immunodeficiency Virus)
Interventions
Mobile chest radiography for tuberculosis screening
Diagnostic Test
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Rhinovirus Hospitalization and Investigation of Nasal-airway Omics (RHINO) Study

NCT07342582
View directory record Official record
Conditions
Rhinovirus
Interventions
Nasal Swab Healthy Surveillance, Nasal Swab Sick Samples, Nasal Swab Hospitalized Cohort, Sick Follow-up Survey, Older Cohort Control Group, Procedural Comfort or Care
Diagnostic Test · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Up to 17 Years
Enrollment
670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed Phase 4 Interventional Results available

Comparison of Airway Clearance Therapy in Cystic Fibrosis Using the Same VEST Therapy Device But With Different Settings

NCT00685035
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
HFCWC with higher pressure/variable-frequency settings, HFCWC with lower pressure/mid-frequency settings
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 25, 2016 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational

Clinical Microbial Species & Antibiotic Resistance ID in ED Patients Presenting With Infection - is Rapid ID Possible & Accurate?

NCT01904188
View directory record Official record
Conditions
Sepsis, Systemic Inflammatory Response Syndrome, Infection Mixed, Infection, Bacterial, Infection, Fungal, Infection, Coronavirus, Antibiotic Resistance Genes, Human Genome Analysis
Interventions
Gene Z or other rapid diagnostic techniques developed in our lab (as of 2018 not using Gene Z - now using In-Dx along with other developed techniquesregularly)
Device
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
2,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2032
U.S. locations
2
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 22, 2026, 1:35 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 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Community Acquired Pneumonia in Older Adults

NCT04709978
View directory record Official record
Conditions
Pneumonia, Aspiration Pneumonia
Interventions
Videofluoroscopic Swallowing Study, Nuclear medicine pulmonary aspiration study, TOR-BSST and 3 oz Water Swallow, Sputum Culture, MeMed BV®, Lung Ultrasound, Respiratory Function Tests
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 15, 2023 · Synced Oct 22, 2026, 1:35 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 22, 2026, 1:35 AM EDT
Active, not recruiting No phase listed Observational

Multicenter Symphony™ IL-6 Monitoring Sepsis ED Pilot Study

NCT07425587
View directory record Official record
Conditions
Sepsis, Septic Shock
Interventions
Not listed
Lead sponsor
Bluejay Diagnostics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
5
States / cities
Gainesville, Florida • Boston, Massachusetts • Winston-Salem, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational

Norris ORIEN Total Cancer Care

NCT02970045
View directory record Official record
Conditions
Cancer Risk, Malignant Neoplasm
Interventions
Biospecimen Collection, Evaluation of Cancer Risk Factors, Medical Chart Review, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2037
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 22, 2026, 1:35 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 22, 2026, 1:35 AM EDT
Completed Phase 2 Interventional

Sputum Cytology in Screening Heavy Smokers For Lung Cancer

NCT00103363
View directory record Official record
Conditions
Lung Cancer
Interventions
cytology specimen collection procedure, physiologic testing, annual screening, study of high risk factors
Other · Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
25 Years and older
Enrollment
3,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1994
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 7, 2014 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pulmonary Inflammation and Microbiome Changes With Bariatric Surgery in Obese Asthma

NCT04247971
View directory record Official record
Conditions
Asthma, Obesity
Interventions
Blood draw, Sputum collection, Pulmonary function test
Procedure
Lead sponsor
Duke University
Other
Eligibility
21 Years to 60 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Evaluation of Non-Inferiority of Two Fast Follower Nucleic Acid Amplification Tests

NCT02252198
View directory record Official record
Conditions
Tuberculosis
Interventions
Epistem Genedrive® and MolBio Truenat™
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 22, 2026, 1:35 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Collection of Data and Samples From Healthy Donors for Use in Translational Research

NCT00090662
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 85 Years
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 1:35 AM EDT
Completed No phase listed Observational

Sample Collections From the Airways of Asthmatic Patients

NCT00001888
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
574 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 1:35 AM EDT