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ClinicalTrials.gov public records Last synced Oct 23, 2026, 8:46 AM EDT

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Showing 1–24 of 204 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Bacterial Pneumonia Clear all
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Prior Pneumococcal Vaccination

NCT07425392
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
31-valent pneumococcal conjugate vaccine, PCV20
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
30
States / cities
Chinle, Arizona • Phoenix, Arizona • Whiteriver, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 23, 2026, 8:46 AM EDT
Terminated Phase 4 Interventional

Imipenem/Cilastatin/Relebactam Pharmacokinetics, Safety, and Outcomes in Adults and Adolescents With Cystic Fibrosis

NCT05561764
View directory record Official record
Conditions
Cystic Fibrosis, Pneumonia, Bacterial
Interventions
Imipenem/Cilastatin/Relebactam
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
12 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
3
States / cities
Los Angeles, California • Hartford, Connecticut • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Ceftaroline Fosamil Versus a Comparator in Adult Subjects With Community-acquired Bacterial Pneumonia (CABP) With Risk for Methicillin-resistant Staphylococcus Aureus

NCT01645735
View directory record Official record
Conditions
Infections
Interventions
Ceftaroline fosamil, Ceftriaxone plus vancomycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
13
States / cities
Phoenix, Arizona • Sylmar, California • DeLand, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2016 · Synced Oct 23, 2026, 8:46 AM EDT
Terminated Phase 4 Interventional Results available

BL Infusion Trial:Beta-lactam Continuous Versus Intermittent Infusion and Associated Bacterial Resistance and Therapy Outcomes in Critically Ill Patients With Severe Pneumonia

NCT05102162
View directory record Official record
Conditions
Pneumonia
Interventions
Cefepime, Meropenem, or Piperacillin/Tazobactam
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 23, 2026, 8:46 AM EDT
Completed No phase listed Observational

A Study to Evaluate the Impact of Stopping Treatment for the Prevention of Pneumonia in HIV-Positive Patients Receiving Anti-HIV Drugs Who Have Increased CD4 Cell Counts

NCT00000908
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
53
States / cities
Birmingham, Alabama • Harbor City, California • Los Angeles, California + 30 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Azithromycin on MAC Disease Prevention in HIV-Positive Patients

NCT00000947
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
19
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 23, 2026, 8:46 AM EDT
Completed No phase listed Observational

Study to Determine Quicker Methods of Diagnosing Pneumonia Caused by a Breathing Machine in Critically Ill Patients

NCT00938002
View directory record Official record
Conditions
Ventilator Acquired Pneumonia
Interventions
Acceler8 Pheno
Diagnostic Test
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 24, 2019 · Synced Oct 23, 2026, 8:46 AM EDT
Completed No phase listed Observational

Prospective Observational Study on the Incidence of Opportunistic Fungal Infections

NCT05707156
View directory record Official record
Conditions
Pneumocystis Jirovecii Infection, Pneumocystis, Cryptococcosis, Candidiasis, Aspergillosis
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
12,032 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 23, 2026, 8:46 AM EDT
Terminated Not applicable Interventional Results available

Pediatric Helmet CPAP Pilot Study

NCT04764929
View directory record Official record
Conditions
Bronchiolitis, Viral, Pneumonia, Viral, Pneumonia, Bacterial
Interventions
Helmet CPAP
Device
Lead sponsor
Columbia University
Other
Eligibility
1 Month to 5 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Not applicable Interventional

Enhancing Electronic Health Systems to Decrease the Burden of Colon Cancer, Lung Cancer, Obesity, Vaccine-Preventable Illness, and LivER Cancer

NCT04540081
View directory record Official record
Conditions
Colon Cancer, Lung Cancer, Tobacco Use Cessation, Obesity, Pneumonia, Bacterial, Shingles, Hepatitis C
Interventions
Epic Healthy Planet Population Health Module
Other
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 80 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 27, 2023 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Not applicable Interventional

An Open-Label, Uncontrolled Clinical Trial of Oral 566C80 for the Treatment of Patients With Severe PCP Who Are Intolerant and/or Unresponsive to Therapy With Trimethoprim/Sulfamethoxazole and Parenteral Pentamidine

NCT00001990
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone
Drug
Lead sponsor
Glaxo Wellcome
Industry
Eligibility
1 Day and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 3 Interventional Results available

Study to Compare Lefamulin to Moxifloxacin (With or Without Linezolid) for the Treatment of Adults With Pneumonia

NCT02559310
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
lefamulin, Moxifloxacin, Linezolid
Drug
Lead sponsor
Nabriva Therapeutics AG
Industry
Eligibility
18 Years and older
Enrollment
551 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
7
States / cities
Hazard, Kentucky • Shreveport, Louisiana • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2019 · Synced Oct 23, 2026, 8:46 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Comparison of HIV-Infected Patients With and Without Opportunistic (AIDS-Related) Infection

NCT00005572
View directory record Official record
Conditions
Cytomegalovirus Infections, Cytomegalovirus Retinitis, Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
16
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2008 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vaccination Education Through Pharmacists and Senior Centers (VEPSC)

NCT03239665
View directory record Official record
Conditions
Infectious Disease, Pneumonia, Bacterial, Influenza, Zoster; Herpes
Interventions
Pharmacist-led Intervention (PHARM), Peer-led Intervention (PEER)
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years and older
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 3 Interventional Results available

Omadacycline vs Moxifloxacin for the Treatment of CABP (EudraCT #2013-004071-13)

NCT02531438
View directory record Official record
Conditions
Bacterial Pneumonia, Community-Acquired Infections
Interventions
Omadacycline, Moxifloxacin
Drug
Lead sponsor
Paratek Pharmaceuticals Inc
Industry
Eligibility
18 Years and older
Enrollment
774 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
12
States / cities
Birmingham, Alabama • Mobile, Alabama • Laguna Hills, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2019 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 3 Interventional

A Treatment Protocol for the Use of Trimetrexate With Leucovorin Rescue for AIDS Patients With Pneumocystis Carinii Pneumonia and Serious Intolerance to Approved Therapies

NCT00001016
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Trimetrexate glucuronate, Leucovorin calcium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
1
States / cities
Morris Plains, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 30, 2008 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 2 Interventional

A Study to Assess the Safety, Tolerability, and Pharmacokinetics of Cefiderocol in Hospitalized Pediatric Participants

NCT04215991
View directory record Official record
Conditions
Gram-negative Bacterial Infections, Hospital Acquired Bacterial Pneumonia (HABP), Complicated Urinary Tract Infection (cUTI), Ventilator Associated Bacterial Pneumonia (VABP)
Interventions
Cefiderocol, Standard of Care
Drug
Lead sponsor
Shionogi
Industry
Eligibility
3 Months to 17 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Iowa City, Iowa • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated May 25, 2025 · Synced Oct 23, 2026, 8:46 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2

NCT04815018
View directory record Official record
Conditions
SARS-CoV-2 Infection, Bacterial Respiratory Tract Infection, Viral Respiratory Tract Infection
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
60 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Delaware, Ohio • Granville, Ohio • Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 1 Interventional

Phase I Safety and Pharmacokinetics Study of Microparticulate Atovaquone (m-Atovaquone; 566C80) in HIV-Infected and Perinatally Exposed Infants and Children

NCT00000773
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
1 Month to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
5
States / cities
San Francisco, California • Chicago, Illinois • New Orleans, Louisiana + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 23, 2026, 8:46 AM EDT
Completed No phase listed Interventional Results available

Urease Breath Test for Rapid Characterization of Pneumonia

NCT03100760
View directory record Official record
Conditions
Pneumonia, Bacterial
Interventions
13C-urea breath test
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 85 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vaccine Uptake Among Veterans at the Atlanta VA Health Care System

NCT03950986
View directory record Official record
Conditions
Influenza, Tetanus, Diphtheria, Pertussis, Pneumonia
Interventions
Modified clinical reminders
Other
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
Not listed
Enrollment
67,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 1Phase 2 Interventional

A Double-Blind, Active-Controlled, Multiple-Ascending Dose Study of Aerosolized RSP-1502 in Subjects With CF and Chronic PA Lung Infection

NCT06016088
View directory record Official record
Conditions
Cystic Fibrosis Lung, Respiratory Infections, Recurrent, Chronic, Pseudomonas Aeruginosa
Interventions
RSP-1502, Tobramycin inhalation solution
Drug
Lead sponsor
Respirion Pharmaceuticals Pty Ltd
Industry
Eligibility
12 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
13
States / cities
Tucson, Arizona • Los Angeles, California • Palo Alto, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 23, 2026, 8:46 AM EDT
Completed Phase 4 Interventional Results available

Population Pharmacokinetics of Prolonged Infusion Meropenem in Cystic Fibrosis (CF) Children

NCT01429259
View directory record Official record
Conditions
Cystic Fibrosis, Pneumonia, Pseudomonas Aeruginosa Infection
Interventions
meropenem
Drug
Lead sponsor
Joseph Kuti
Other
Eligibility
6 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
7
States / cities
Hartford, Connecticut • Indianapolis, Indiana • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2018 · Synced Oct 23, 2026, 8:46 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Aerosolized and Intravenous Colistin in Healthy Adults

NCT01863719
View directory record Official record
Conditions
Pathogen Resistance, Pneumococcal Infection, Pneumonia
Interventions
Colistimethate sodium
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Oct 23, 2026, 8:46 AM EDT