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ClinicalTrials.gov public records Last synced Oct 30, 2026, 6:58 AM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiratory Pathogens Clear all
Completed No phase listed Observational

Evaluation of Respiratory Specimens for Bacterial and Viral Pathogens by Real-Time PCR

NCT00275691
View directory record Official record
Conditions
Cough, Fever
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
867 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 18, 2010 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Chlorhexidine & Pneumonia in Nursing Home Residents

NCT00841074
View directory record Official record
Conditions
Pneumonia, Respiratory Infection
Interventions
chlorhexidine, Placebo mouthwash
Drug
Lead sponsor
University of Louisville
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 14, 2017 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 3 Interventional Results available

A Study to Determine the Efficacy, Safety and Tolerability of Aztreonam-Avibactam (ATM-AVI) ± Metronidazole (MTZ) Versus Meropenem (MER) ± Colistin (COL) for the Treatment of Serious Infections Due to Gram Negative Bacteria.

NCT03329092
View directory record Official record
Conditions
Complicated Intra-abdominal Infection, Hosptial Acquired Pneumonia, Ventilator Associated Pneumonia
Interventions
ATM-AVI, MTZ, MER, COL
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
5
States / cities
Tucson, Arizona • Torrance, California • Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 10, 2024 · Synced Oct 30, 2026, 6:58 AM EDT
Terminated No phase listed Observational

Multiplex Microarray Chip-Based Diagnosis of Respiratory Infections

NCT01212042
View directory record Official record
Conditions
HIV
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 30, 2026, 6:58 AM EDT
Terminated No phase listed Observational

CD8 Reactivity to Microorganisms in Blood and Breast Milk

NCT03084614
View directory record Official record
Conditions
Immune Modulation, Tuberculosis, Leprosy, Pertussis, Lyme Disease
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Human Lung Responses to Respiratory Pathogens

NCT01967628
View directory record Official record
Conditions
Respiratory Infection
Interventions
Vitamin D3 (cholecalciferol), Placebo Sugar Pill
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 30, 2026, 6:58 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

How Respiratory Pathogens Panel Results Affect Patients' Plan of Care

NCT03322254
View directory record Official record
Conditions
Respiratory Disease
Interventions
respiratory pathogen panel
Other
Lead sponsor
Data Collection Analysis Business Management
Other
Eligibility
18 Years to 64 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Land O' Lakes, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 3 Interventional

Oral Care to Reduce Mouth and Throat Infections in Critically Ill Patients

NCT00078663
View directory record Official record
Conditions
Critical Illness
Interventions
Oral Care
Behavioral
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Fairfax, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 4 Interventional Results available

Pharmacodynamic of Ceftaroline and Levofloxacin Against Pathogens Associated With Community Acquired Bacterial Pneumonia

NCT01524302
View directory record Official record
Conditions
Pneumonia, Bacterial, Community-acquired
Interventions
Ceftaroline, Levofloxacin
Drug
Lead sponsor
Gary E. Stein, Pharm.D.
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 12, 2016 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Not applicable Interventional

A Clinical Study to Assess the Natural History of COVID-19 and Effects of KB109 and Supportive Self-care in Outpatients With Mild-to-moderate COVID-19

NCT04414124
View directory record Official record
Conditions
Mild-to-moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
16
States / cities
Hot Springs, Arkansas • Riverside, California • San Diego, California + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 3 Interventional Results available

Clinical Study of Cefiderocol (S-649266) for the Treatment of Nosocomial Pneumonia Caused by Gram-negative Pathogens

NCT03032380
View directory record Official record
Conditions
Healthcare-associated Pneumonia (HCAP), Hospital Acquired Pneumonia (HAP), Ventilator Associated Pneumonia (VAP)
Interventions
Cefiderocol, Meropenem, Linezolid
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
15
States / cities
New Haven, Connecticut • DeLand, Florida • Chicago, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2020 · Synced Oct 30, 2026, 6:58 AM EDT
Terminated Phase 2 Interventional Results available

Clinical Trials to Reduce the Risk of Antimicrobial Resistance

NCT01570192
View directory record Official record
Conditions
Bacterial Pneumonia
Interventions
IV meropenem, I.V. Meropenem, Parenteral aminoglycoside; tobramycin for injection USP OR gentamicin sulfate injection solution concentrate 5mg.kg IV q24h; amikacin sulfate injection USP 20 mg/kg IV q24h, Linezolid or Vancomycin (per institutional guidelines) will be available for MRSA coverage., tobramycin nebulization
Drug · Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
8
States / cities
San Mateo, California • Gainesville, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Oct 30, 2026, 6:58 AM EDT
Recruiting No phase listed Observational

Study to Enable New Diagnostics for Pulmonary Microbes in People With CF

NCT07312734
View directory record Official record
Conditions
Cystic Fibrosis (CF), New Diagnostics
Interventions
Not listed
Lead sponsor
Chris Goss
Other
Eligibility
16 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
9
States / cities
La Jolla, California • Minneapolis, Minnesota • St Louis, Missouri + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Acute Safety and Acceptability Study of Experimental Device RD19 for Protection From Human Respiratory Disease Pathogens

NCT04557826
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
RD19
Device
Lead sponsor
EmitBio Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Not applicable Interventional

The RAPID Trial: Assessing Point-of-care Influenza and Other Respiratory Virus Diagnostics

NCT03756753
View directory record Official record
Conditions
Respiratory Pathogens, Upper Respiratory Tract Illness, Lower Respiratory Tract Illness, Acute Respiratory Infection
Interventions
Results available to provider
Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 18 Years
Enrollment
913 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 9, 2021 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Phase 3 Interventional Results available

Study of Cefiderocol (S-649266) or Best Available Therapy for the Treatment of Severe Infections Caused by Carbapenem-resistant Gram-negative Pathogens

NCT02714595
View directory record Official record
Conditions
Healthcare-associated Pneumonia (HCAP), Bloodstream Infections (BSI), Hospital Acquired Pneumonia (HAP), Complicated Urinary Tract Infection (cUTI), Sepsis, Ventilator Associated Pneumonia (VAP)
Interventions
Cefiderocol, Best Available Therapy
Drug
Lead sponsor
Shionogi
Industry
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
6
States / cities
Hartford, Connecticut • Newark, Delaware • Chicago, Illinois + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2021 · Synced Oct 30, 2026, 6:58 AM EDT
Recruiting No phase listed Observational

Prospective Study on Antimicrobial RESIstance in Chronic Pulmonary DiseasE

NCT07874139
View directory record Official record
Conditions
Chronic Lung Diseases
Interventions
Not listed
Lead sponsor
Fondazione IRCCS Ca' Granda, Ospedale Maggiore Policlinico
Other
Eligibility
Not listed
Enrollment
683 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Not applicable Interventional

A Clinical Study to Assess the Physiologic Effects of KB109 in Patients With COVID-19 on Gut Microbiota Structure and Function

NCT04486482
View directory record Official record
Conditions
Mild-to-Moderate COVID-19
Interventions
KB109 + Self Supportive Care (SSC), Self Supportive Care (SSC) Alone
Other
Lead sponsor
Kaleido Biosciences
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
12
States / cities
Cullman, Alabama • Los Angeles, California • Rancho Cucamonga, California + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2021 · Synced Oct 30, 2026, 6:58 AM EDT
Completed No phase listed Observational

Rapid Detection of Airway Pathogens for Lung Transplantation

NCT03933878
View directory record Official record
Conditions
Lung Transplantation, Respiratory Tract Infections, Pulmonary Infection
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2021 · Synced Oct 30, 2026, 6:58 AM EDT
Completed No phase listed Observational

Impact of Respiratory Pathogens in Infants

NCT01789268
View directory record Official record
Conditions
Respiratory Tract Infection
Interventions
Respiratory Inductive Plethysmography
Device
Lead sponsor
University of Rochester
Other
Eligibility
0 Days to 3 Years
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 30, 2026, 6:58 AM EDT
Completed No phase listed Observational

Pneumonia in the ImmunoCompromised - Use of the Karius Test for the Detection of Undiagnosed Pathogens

NCT04047719
View directory record Official record
Conditions
Pneumonia, Bacterial, Pneumonia, Viral, Pneumonia Fungal, Pneumonia Cavitary, Immunocompromised Host
Interventions
Karius Test
Diagnostic Test
Lead sponsor
Karius, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
257 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
10
States / cities
Duarte, California • San Francisco, California • Aurora, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Oct 30, 2026, 6:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Just-in-time Elastomeric Training and Fit Testing (JET FIT)

NCT03888898
View directory record Official record
Conditions
Infection
Interventions
Reusable respirator fit test and competency evaluation, Control fit test evaluation
Other
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
3
States / cities
Atlanta, Georgia • Detroit, Michigan • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 30, 2026, 6:58 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Vaccine Responses to SARS-CoV-2 and Other Emerging Infectious Diseases

NCT05078905
View directory record Official record
Conditions
COVID-19, Vaccination, Healthy Volunteer
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2050
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 30, 2026, 6:58 AM EDT