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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Community-acquired Pneumonia Clear all
Completed Phase 3 Interventional Results available

Comparative Study of Ceftaroline vs. Ceftriaxone in Adult Subjects With Community-Acquired Pneumonia

NCT00621504
View directory record Official record
Conditions
Bacterial Pneumonia
Interventions
Ceftaroline fosamil for Injection, IV Ceftriaxone, Placebo, Clarithromycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
606 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
12
States / cities
Los Angeles, California • Pasadena, California • Sacramento, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Not applicable Interventional

Improving Short Course Treatment for Common Pediatric Infections

NCT06087809
View directory record Official record
Conditions
Community-acquired Pneumonia, Skin Infection
Interventions
Education and feedback, Clinical decision support
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Sep 27, 2026, 6:56 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 11, 2016 · Synced Sep 27, 2026, 6:56 AM EDT
Completed No phase listed Observational

Pulmonary Infections Masquerading as Community-Acquired Pneumonia

NCT00304395
View directory record Official record
Conditions
Pneumonia
Interventions
Not listed
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Sep 27, 2026, 6:56 AM EDT
Recruiting Phase 4 Interventional

Azithromycin Versus Doxycycline in Hospitalized Adult Patients With Community Acquired Pneumonia Treated With Beta-lactams

NCT07164131
View directory record Official record
Conditions
Community-acquired Pneumonia
Interventions
Doxycycline, Azithromycin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Mankato, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Active, not recruiting Not applicable Interventional

Discharge Stewardship in Children's Hospitals

NCT05826873
View directory record Official record
Conditions
Pneumonia, Bacterial, Pneumonia Childhood, Urinary Tract Infections, Soft Tissue Infections, Skin Infections, Community-acquired Pneumonia
Interventions
Discharge antibiotic stewardship intervention
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
28 Days to 18 Years
Enrollment
1,131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
5
States / cities
St Louis, Missouri • Philadelphia, Pennsylvania • Salt Lake City, Utah + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Active, not recruiting No phase listed Observational

Reducing Antibiotic Use by Implementation of Stewardship in Primary and Urgent Care

NCT07217002
View directory record Official record
Conditions
Community Acquired Pneumonia (CAP), Sinusitis, Strep Pharyngitis, Acute Otitis Media (AOM)
Interventions
Online Educational Modules, Prescribing Feedback Reports, Clinical Decision Support, Live, hybrid in-person and online educational sessions
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Months to 12 Years
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clinical Indicators of Radiographic Findings in Patients With Suspected Community-Acquired Pneumonia

NCT00118651
View directory record Official record
Conditions
Pneumonia
Interventions
Not listed
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Sep 27, 2026, 6:56 AM EDT
Terminated Phase 3 Interventional Results available

Reparixin add-on Therapy to Standard Care to Limit Progression in Pts With COVID19 & Other Community Acquired Pneumonia

NCT05254990
View directory record Official record
Conditions
Infectious Pneumonia, Severe COVID-19
Interventions
Reparixin, Placebo
Drug · Other
Lead sponsor
Dompé Farmaceutici S.p.A
Industry
Eligibility
18 Years and older
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
28
States / cities
Tucson, Arizona • Orange, California • Denver, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Phase 3 Interventional Results available

Study Comparing the Safety and Efficacy of Cethromycin to Clarithromycin for the Treatment of Community-Acquired Pneumonia

NCT00336544
View directory record Official record
Conditions
Pneumonia
Interventions
Cethromycin, Clarithromycin
Drug
Lead sponsor
Advanced Life Sciences, Inc.
Industry
Eligibility
18 Years and older
Enrollment
522 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
13
States / cities
Woodridge, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 25, 2010 · Synced Sep 27, 2026, 6:56 AM EDT
Terminated Phase 4 Interventional Results available

Efficacy Study of Fluconazole to Treat Coccidioidomycosis Pneumonia (Valley Fever)

NCT02663674
View directory record Official record
Conditions
Coccidioidomycosis
Interventions
Fluconazole, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
9
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 27, 2026, 6:56 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 14, 2023 · Synced Sep 27, 2026, 6:56 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Biometric Monitoring in Nursing Homes to Fight COVID-19

NCT04548895
View directory record Official record
Conditions
Covid19, Community-Acquired Respiratory Tract Infection
Interventions
Observational measurement of biometric data. No change to health care provided.
Device
Lead sponsor
Health Stream Analytics, LLC
Industry
Eligibility
Not listed
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Pasco, Washington
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Sep 27, 2026, 6:56 AM EDT
Active, not recruiting No phase listed Observational

A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia

NCT07251465
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Receipt of PCV20
Biological
Lead sponsor
Pfizer
Industry
Eligibility
19 Years and older
Enrollment
846,279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Not applicable Interventional

Pathogen Detection and Community Acquired Pneumonia

NCT02880384
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
FilmArray LRTI v.2.0 IUO Panel
Other
Lead sponsor
Providence Health & Services
Other
Eligibility
Not listed
Enrollment
570 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Sep 27, 2026, 6:56 AM EDT
Active, not recruiting No phase listed Observational

A Study to Learn About How Well the Prevnar 20 Vaccine Works for Pneumonia in People Who Are 65 Years and Older

NCT06782282
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Not listed
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
22,234,435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Clarithromycin Extended Release for the Treatment of Pneumonia in Adult Patients

NCT00643227
View directory record Official record
Conditions
Pneumonia
Interventions
clarithromycin extended release (ER), azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
16 Years and older
Enrollment
504 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
36
States / cities
Birmingham, Alabama • Haleyville, Alabama • Montgomery, Alabama + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2008 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Not applicable Interventional Results available

Procalcitonin Antibiotic Consensus Trial (ProACT)

NCT02130986
View directory record Official record
Conditions
Lower Respiratory Tract Infection (LRTI)
Interventions
Procalcitonin level, Results of procalcitonin (PCT) level to treating clinician, Provide procalcitonin guideline to treating clinician, Telephone Visit
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Orange, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 27, 2026, 6:56 AM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Trial of Azithromycin SR Compared With Levofloxacin for the Treatment of Mild to Moderate Pneumonia in Adult Patients

NCT00643734
View directory record Official record
Conditions
Pneumonia
Interventions
azithromycin sustained release, placebo, levofloxacin
Drug · Other
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
468 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
35
States / cities
Mesa, Arizona • Phoenix, Arizona • San Luis Obispo, California + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2008 · Synced Sep 27, 2026, 6:56 AM EDT
Terminated Phase 4 Interventional

KEYS: Study Comparing Clinical Health Outcomes of Telithromycin Versus Azithromycin in Outpatients With Community-acquired Lower Respiratory Tract Infections

NCT00132951
View directory record Official record
Conditions
Respiratory Tract Infections, Chronic Bronchitis, Pneumonia
Interventions
Telithromycin, Azithromycin
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 35 Years
Enrollment
2,051 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 26, 2009 · Synced Sep 27, 2026, 6:56 AM EDT
Completed No phase listed Observational

Epidemiologic Study Of The Distribution Of Vaccine-Type Streptococcus Pneumoniae Serotypes In Adults In The US With Community-Acquired Pneumonia

NCT01086397
View directory record Official record
Conditions
Pneumonia, Pneumococcal, Vaccines, Pneumococcal
Interventions
Urine sample collection
Procedure
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
782 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
14
States / cities
Mobile, Alabama • La Mesa, California • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced Sep 27, 2026, 6:56 AM EDT
Completed No phase listed Observational

Use Of Procalcitonin Level For Guidance of The Treatment of Suspected Community Acquired Pneumonia

NCT00914550
View directory record Official record
Conditions
Pneumonia, Radiographic Lung Infiltrates
Interventions
Procalcitonin level, caregiver informed
Other
Lead sponsor
Winthrop University Hospital
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Mineola, New York
Source: ClinicalTrials.gov public record
Updated Dec 14, 2014 · Synced Sep 27, 2026, 6:56 AM EDT
Not yet recruiting Not applicable Interventional

Ketogenic Approach to Restore Muscle in Older Patients With Community-Acquired Pneumonia - KARMA-P Trial

NCT07308483
View directory record Official record
Conditions
Pneumonia
Interventions
Ketogenic feeding, Standard feeding
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 27, 2026, 6:56 AM EDT
Terminated Phase 1 Interventional

A Clinical Safety Study on AT-100 in Treating Adults With Severe COVID-19 Infection or Severed Community Acquired Pneumonia

NCT04659122
View directory record Official record
Conditions
COVID-19, Undefined
Interventions
AT-100
Biological
Lead sponsor
Airway Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 13, 2023 · Synced Sep 27, 2026, 6:56 AM EDT