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ClinicalTrials.gov public records Last synced Oct 3, 2026, 7:30 PM EDT

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Showing 25–48 of 586 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gram-Negative Bacterial Infections Clear all
Completed Phase 3 Interventional Results available

Inhaled Amikacin Solution BAY41-6551 as Adjunctive Therapy in the Treatment of Gram-Negative Pneumonia

NCT01799993
View directory record Official record
Conditions
Pneumonia, Bacterial
Interventions
Amikacin Inhalation Solution (BAY41-6551), Aerosolized Placebo
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
725 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
32
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunologic Responses to a Live Attenuated Oral Cholera Vaccine

NCT03251495
View directory record Official record
Conditions
Cholera
Interventions
Vaxchora
Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 13, 2026 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

Aerosolized Amikacin and Fosfomycin in Mechanically Ventilated Patients With Gram-negative Pneumonia

NCT01969799
View directory record Official record
Conditions
Pneumonia, Bacterial
Interventions
Amikacin fosfomycin inhalation solution, Aerosolized placebo
Drug
Lead sponsor
Cardeas Pharma
Industry
Eligibility
18 Years to 80 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
16
States / cities
Los Angeles, California • Gainesville, Florida • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Emergency Department, Rapid Assessment for Sexually Transmitted Infection

NCT02386514
View directory record Official record
Conditions
Infection
Interventions
Not listed
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational

Specimen Collection Study for H. Pylori Testing

NCT02970110
View directory record Official record
Conditions
Helicobacter Infections
Interventions
Not listed
Lead sponsor
Biomerica
Industry
Eligibility
21 Years to 75 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
4
States / cities
Tucson, Arizona • Los Angeles, California • Medley, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cepheid Rectal Sample Validation Study

NCT02099760
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Trichomonas
Interventions
STD testing (GC/Ct/trich)
Device
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 7, 2019 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Not applicable Interventional

Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs

NCT00013871
View directory record Official record
Conditions
HIV Infections, Hepatitis B, Measles, Pneumococcal Infections, Pertussis
Interventions
Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed, Measles-Mumps-Rubella Vaccine (Live), Pneumococcal Vaccine, Polyvalent (23-valent), Pneumococcal Conjugate Vaccine, Heptavalent, Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
38
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Randomized Trial of an HIV Prevention and Relationship Education Program for Young Male Couples

NCT03186534
View directory record Official record
Conditions
Hiv, Chlamydia, Gonorrhea, Relation, Interpersonal
Interventions
2GETHER, Positive Affect Enhancement
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Male only
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 8, 2023 · Synced Oct 3, 2026, 7:30 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

A Double-Blind Placebo-Control Dose Escalating Study to Evaluate the Safety and Immunogenicity of dmLT by Oral, Sublingual and Intradermal Vaccination in Adults Residing in an Endemic Area

NCT03548064
View directory record Official record
Conditions
Gastroenteritis Escherichia Coli, Immunisation
Interventions
Placebo, Recombinant Double Mutant Heat-Labile Toxin LT(R192G/L211A) (dmLT) Oral enterotoxigenic Escherichia coli (ETEC) Vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cefixime / Azithromycin pK Study

NCT02708992
View directory record Official record
Conditions
Gonorrhoea
Interventions
Azithromycin, Cefixime
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 15, 2017 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational

Legionnaires' Effect on Smell

NCT03321786
View directory record Official record
Conditions
Legionnaires' Disease
Interventions
The University of Pennsylvania Smell Identification Test (UPSIT)
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
10 participants
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Oct 3, 2026, 7:30 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Biomarker Study of Previously Treated Lyme Disease Volunteers in Comparison to Healthy Volunteers

NCT04835792
View directory record Official record
Conditions
Lyme Disease
Interventions
Stool and blood collection
Other
Lead sponsor
FlightPath Biosciences, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety of MenACWY-CRM Vaccination in Adolescents

NCT01452464
View directory record Official record
Conditions
Meningococcal Disease
Interventions
MenACWY-CRM
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
11 Years to 21 Years
Enrollment
55,397 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
3
States / cities
Riverside, California • San Diego, California • Valley Annex, 16994 E. Valley Blvd., Fontana, California
Source: ClinicalTrials.gov public record
Updated Feb 26, 2015 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational Results available

A Study to Learn About How Trumenba Vaccine Shots Work Against Gonorrhea Infection in Teenagers and Young Adults in the United States.

NCT05873751
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Meningococcal Vaccines
Interventions
Trumenba Vaccine, MenACWY Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Years to 30 Years
Enrollment
1,307,378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 2 Interventional Results available

The SCOUT Study: "Short Course Therapy for Urinary Tract Infections in Children"

NCT01595529
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Cefixime, Cephalexin, Placebo, Trimethoprim/Sulfamethoxazole
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Months to 10 Years
Enrollment
717 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Performance of Nucleic Acid Amplification Tests for the Detection of NG and CT

NCT02870101
View directory record Official record
Conditions
Neisseria Gonorrhoeae Infection, Chlamydia Trachomatis Infection, Sexually Transmitted Infections
Interventions
Nucleic acid amplification test 1 for NG and CT, Nucleic acid amplification test 2 for NG and CT, Nucleic acid amplification test 3 for NG and CT
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,767 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
9
States / cities
Hollywood, California • Los Angeles, California • Denver, Colorado + 5 more
Source: ClinicalTrials.gov public record
Updated May 15, 2019 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational

Etiology of Community Acquired Pneumonia

NCT00471757
View directory record Official record
Conditions
Streptococcus Pneumonia, Haemophilus Influencae, Mycoplasma Pneumonia, Chlamydia Pneumonia
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

The Safety of Boostrix Following Routine Immunization of Pregnant Women

NCT03463577
View directory record Official record
Conditions
Whooping Cough
Interventions
Safety assessment following routine immunization with Boostrix
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
65,783 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated May 18, 2022 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Thorough QT/QTC (TQT) Clinical Trial to Evaluate the Effect of Zoliflodacin on Cardiac Repolarization in Healthy Male and Female Subjects

NCT03613649
View directory record Official record
Conditions
Electrocardiogram Repolarisation Abnormality, Gonococcal Infection
Interventions
AZD0914, Moxifloxacin, Placebo
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2020 · Synced Oct 3, 2026, 7:30 PM EDT
Completed No phase listed Observational

Long Term Protection by and Persistence of Vi Antibodies Induced by Vi-rEPA Conjugate Vaccines in Vietnamese Children Injected at 2-5 Years or at 5-8 Years of Age

NCT00386789
View directory record Official record
Conditions
Typhoid Fever
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
10 Years to 13 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adolescent Sexually Transmitted Infection Screening in the Emergency Department

NCT03715335
View directory record Official record
Conditions
Gonorrhea, Chlamydia
Interventions
Targeted STI Screening, Universally Offered STI Screening
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
15 Years to 21 Years
Enrollment
98,413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
5
States / cities
Aurora, Colorado • Columbus, Ohio • Philadelphia, Pennsylvania + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2025 · Synced Oct 3, 2026, 7:30 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Meningococcal Immune Response Among Children Who Previously Received MenACWY Conjugate Vaccine

NCT01148017
View directory record Official record
Conditions
Meningococcal Meningitis
Interventions
Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
37 Months to 63 Months
Enrollment
433 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
19
States / cities
Birmingham, Alabama • Downey, California • Oakland, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Oct 3, 2026, 7:30 PM EDT
Recruiting Not applicable Interventional

taVNS for Persistent Symptoms From Lyme Disease

NCT05776251
View directory record Official record
Conditions
Post-Treatment Lyme Disease
Interventions
taVNS
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 3, 2026, 7:30 PM EDT
Recruiting No phase listed Observational

Pregnancy and Early Neurodevelopmental Outcomes Following In Utero Lyme Disease Exposure

NCT06026969
View directory record Official record
Conditions
Lyme Disease, Post-Treatment Lyme Disease, Chronic Lyme Disease, Tick-Borne Infections, Pregnancy Complications, Child Development
Interventions
Neurodevelopmental assessments and follow-up
Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 3, 2026, 7:30 PM EDT