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Showing 1–24 of 377 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Bacterial Respiratory Tract Infection Clear all
Completed Phase 2 Interventional

A Study to Assess Beta-Lactam in the Treatment of Hospitalized Patients With Bacterial Pneumonia

NCT00111644
View directory record Official record
Conditions
Pneumonia, Bacterial
Interventions
Ceftriaxone, beta-lactam
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
6
States / cities
New Orleans, Louisiana • Shreveport, Louisiana • Detroit, Michigan + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Results available

Safety and Tolerability Study of 2 Dose Level of Arikayce™ in Patients With Bronchiectasis and Chronic Infection Due to Pseudomonas Aeruginosa.

NCT00775138
View directory record Official record
Conditions
Bronchiectasis
Interventions
280 mg Arikayce™, Matching Placebo for Cohort 1, 560 mg Arikayce™, Matching Placebo for Cohort 2
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Sep 17, 2026, 5:14 AM EDT
Terminated Phase 2 Interventional

Study in Adult Asthmatic Patients With Allergic Bronchopulmonary Aspergillosis

NCT03960606
View directory record Official record
Conditions
Allergic Bronchopulmonary Aspergillosis
Interventions
PUR1900, Placebo
Combination Product
Lead sponsor
Pulmatrix Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
9
States / cities
Denver, Colorado • New Haven, Connecticut • Hialeah, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 4 Interventional

Study to Assess the Incidence of Local Oropharyngeal and Laryngeal Adverse Effects of Advair DISKUS 250/50 mcg BID

NCT00235053
View directory record Official record
Conditions
Asthma, Candidiasis, Oral, Voice Disorders
Interventions
fluticasone/salmeterol DISKUS 250/50
Drug
Lead sponsor
Allergy & Asthma Medical Group & Research Center
Other
Eligibility
18 Years to 55 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jan 29, 2024 · Synced Sep 17, 2026, 5:14 AM EDT
Terminated Phase 2 Interventional

VL-2397 Compared to Standard First-Line Treatment for Invasive Aspergillosis (IA) in Adults

NCT03327727
View directory record Official record
Conditions
Invasive Aspergillosis, Invasive Pulmonary Aspergillosis
Interventions
Investigational Agent: VL-2397, Standard treatment: Voriconazole, Isavuconazole, or Liposomal amphotericin B
Drug
Lead sponsor
Vical
Industry
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
11
States / cities
Birmingham, Alabama • La Jolla, California • Sacramento, California + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 3 Interventional

Study Evaluating Tigecycline Versus Imipenem/Cilastatin in Hospital-Acquired Pneumonia

NCT00080496
View directory record Official record
Conditions
Bacterial Pneumonia
Interventions
Tigecycline, Imipenem, Cilastatin
Drug
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
18 Years to 70 Years
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
29
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Martinez, California + 21 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2008 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 3 Interventional

A Study of Trimetrexate With Leucovorin Rescue for AIDS Patients Who Are Refractory to Standard Therapies for Pneumocystis Carinii Pneumonia

NCT00000724
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 2004
U.S. locations
1
States / cities
Morris Plains, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Results available

A Trial to Evaluate OPC 67683 in Participants With Pulmonary Sputum Culture-positive, Multidrug-resistant Tuberculosis (TB)

NCT00685360
View directory record Official record
Conditions
Tuberculosis, Pulmonary, Tuberculosis, Multidrug Resistant, Extensively Drug-Resistant Tuberculosis
Interventions
Delamanid, Optimized Background Regimen (OBR), Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
481 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Results available

A Study of SYN-004 for the Prevention of C.Diff in Patients With a LRTI

NCT02563106
View directory record Official record
Conditions
Clostridium Difficile, Clostridium Infections
Interventions
SYN-004, Placebo
Drug
Lead sponsor
Theriva Biologics, Inc.
Industry
Eligibility
50 Years and older
Enrollment
413 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
6
States / cities
Little Rock, Arkansas • Torrance, California • DeLand, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2018 · Synced Sep 17, 2026, 5:14 AM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

SAD and MAD of Inhaled AR-501 in Health Adults and P. Aeruginosa Infected Cystic Fibrosis Subjects

NCT03669614
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Inhaled AR-501, Inhaled Placebo
Drug
Lead sponsor
Aridis Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
25
States / cities
Tucson, Arizona • Long Beach, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 2 Interventional

Effects of Hormone Therapy on the Immune Systems of Postmenopausal Women With Chronic Infections

NCT00001890
View directory record Official record
Conditions
Atherosclerosis, Chlamydia Infections, Cytomegalovirus Infections, Pneumonia, Bacterial, Postmenopause
Interventions
Estrogen therapy
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 17, 2026, 5:14 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 22, 2019 · Synced Sep 17, 2026, 5:14 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety Study of JNJ-32729463 Compared With Moxifloxacin for the Treatment of Subjects Requiring Hospitalization for Community-Acquired Bacterial Pneumonia

NCT01198626
View directory record Official record
Conditions
Community-Acquired Bacterial Pneumonia (CABP)
Interventions
JNJ-32729463, moxifloxacin, JNJ-32729463 (Open-Label)
Drug
Lead sponsor
Furiex Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
13
States / cities
Mobile, Alabama • Sylmar, California • Orlando, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2011 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of DAPTACEL® Administered as a 5th Dose in 4 to 6-Year-Old Children Previously Immunized With PENTACEL™

NCT00802867
View directory record Official record
Conditions
Diphtheria, Tetanus, Pertussis, Polio, Haemophilus Infection
Interventions
Diphtheria and Tetanus Toxoids and Acellular Pertussis (DAPTACEL®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
4 Years to 6 Years
Enrollment
989 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
19
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Oakland, California + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 17, 2026, 5:14 AM EDT
Recruiting Phase 4 Interventional

Once Daily Intrapleural Enzyme Therapy in Complicated Parapneumonic Effusion or Empyema

NCT07095361
View directory record Official record
Conditions
Pleural Infection Bacterial, Pleural Infections, Pleural Infections and Inflammations, Empyema, Pleural, Empyema, Complicated Pleural Effusion/ Empyema, Pleural Effusion Associated With Pulmonary Infection, Pleural Effusion
Interventions
Fibrinolytic once daily, Fibrinolytic twice daily, DNA degradation once daily, DNA degradation twice daily
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
New Haven, Connecticut • Chicago, Illinois • Detroit, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 2 Interventional Results available

Investigating Treatment With Dupilumab in Patients With Allergic Bronchopulmonary Aspergillosis (ABPA) (LIBERTY ABPA AIRED)

NCT04442269
View directory record Official record
Conditions
Allergic Bronchopulmonary Aspergillosis
Interventions
dupilumab, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
13
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Bakersfield, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Not applicable Interventional

A Prospective Study of Multidrug Resistance and a Pilot Study of the Safety of and Clinical and Microbiologic Response to Levofloxacin in Combination With Other Antimycobacterial Drugs for Treatment of Multidrug-Resistant Pulmonary Tuberculosis (MDRTB) in HIV-Infected Patients.

NCT00000796
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Cycloserine, Ethionamide, Capreomycin sulfate, Aminosalicylic acid, Streptomycin sulfate, Ethambutol hydrochloride, Amikacin sulfate, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Levofloxacin, Rifampin, Clofazimine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
21
States / cities
Chicago, Illinois • Detroit, Michigan • Brooklyn, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Not applicable Interventional

A Study of Two Forms of Pentamidine in the Treatment of Pneumocystis Carinii Pneumonia (PCP) in Patients With AIDS

NCT00002292
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Pentamidine isethionate
Drug
Lead sponsor
LyphoMed
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Rosemont, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Not applicable Interventional

Guidelines for Acute Sinusitis

NCT00132275
View directory record Official record
Conditions
Sinusitis
Interventions
Amoxicillin potassium clavulanate
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
1 Year to 10 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2008 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Phase 1 Clinical Trial of Single-Vial ID93 + GLA-SE in Healthy Adults

NCT03722472
View directory record Official record
Conditions
Pulmonary TB
Interventions
ID93 + GLA-SE
Biological
Lead sponsor
Access to Advanced Health Institute (AAHI)
Other
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate Safety, Tolerability, and the PK Profile of TBI-223 in Healthy Subjects

NCT04865536
View directory record Official record
Conditions
Tuberculosis, Tuberculosis, Pulmonary
Interventions
TBI-223 1800 mg, TBI-223 2400mg, TBI-223 Placebo
Drug
Lead sponsor
Global Alliance for TB Drug Development
Other
Eligibility
19 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Fair Lawn, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 17, 2026, 5:14 AM EDT
Completed Phase 3 Interventional

A Randomized, Comparative Study of Daily Dapsone and Daily Atovaquone for Prophylaxis Against PCP in HIV-Infected Patients Who Are Intolerant of Trimethoprim and/or Sulfonamides

NCT00000802
View directory record Official record
Conditions
Pneumonia, Pneumocystis Carinii, HIV Infections
Interventions
Atovaquone, Dapsone
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1997
U.S. locations
43
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 30 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 17, 2026, 5:14 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 27, 2021 · Synced Sep 17, 2026, 5:14 AM EDT
Completed No phase listed Observational

The EPIC Observational Study

NCT00676169
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
CF Therapeutics Development Network Coordinating Center
Network
Eligibility
Up to 12 Years
Enrollment
1,248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2018
U.S. locations
54
States / cities
Birmingham, Alabama • Los Angeles, California • Oakland, California + 50 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2019 · Synced Sep 17, 2026, 5:14 AM EDT