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ClinicalTrials.gov public records Last synced Oct 24, 2026, 10:21 AM EDT

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Showing 121–144 of 608 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Gram Negative Infection Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Partnership for Rapid Elimination of Trachoma

NCT00792922
View directory record Official record
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 5 Years
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
2
States / cities
San Francisco, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Oct 24, 2026, 10:21 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Enteroaggregative E.Coli (EAEC)

NCT00362869
View directory record Official record
Conditions
Escherichia Coli Infections
Interventions
Levofloxacin, Placebo, Enteroaggregative E. coli (EAEC)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 26, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of 2 Doses of Menactra®, a Meningococcal Conjugate Vaccine in Healthy Toddlers

NCT00384397
View directory record Official record
Conditions
Meningococcal Meningitis, Measles, Mumps, Rubella, Varicella
Interventions
Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine, Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
249 Days to 305 Days
Enrollment
1,128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
39
States / cities
Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 35 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Efficacy Study of CVD 1208S, a Live, Attenuated Oral Vaccine to Prevent Shigella Infection Using cGMP

NCT01531530
View directory record Official record
Conditions
Shigella
Interventions
CVD 1208S, a Shigella flexneri 2a live, oral vaccine, Placebo
Biological · Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 45 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 30, 2021 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Post-licensure Safety Surveillance Study of Menactra Vaccine When Administered As a 2-dose Schedule to Children

NCT01689155
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 23 Months
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Results available

Ceftazidime-Avibactam for the Treatment of Infections Due to Ceftazidime Resistant Pathogens

NCT01644643
View directory record Official record
Conditions
Complicated Urinary Tract Infection, Complicated Intra-abdominal Infection
Interventions
Ceftazidime - Avibactam ( CAZ-AVI), Best Available Therapy, Metronidazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 90 Years
Enrollment
345 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Shreveport, Louisiana • Lima, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 29, 2017 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Not applicable Interventional

TBTC Study 25PK: Intensive Pharmacokinetic Study of Three Doses of Rifapentine and 25-Desacetyl Rifapentine

NCT00023387
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifapentine, 25-desacetyl Rifapentine, Isoniazid
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2001
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2005 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Study of the Safety and Immune Response of Two Serogroup B Meningococcal Vaccines Administered to Healthy Adolescents

NCT00297817
View directory record Official record
Conditions
Meningococcal Disease
Interventions
serogroup B meningococcal vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
11 Years to 18 Years
Enrollment
203 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
8
States / cities
Encinitas, California • Atlanta, Georgia • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Sexually Transmitted Disease Testing in Women Seeking Emergency Contraception or Urine Pregnancy Testing

NCT00978848
View directory record Official record
Conditions
Trichomonas Vaginitis, Chlamydia Trachomatis, Neisseria Gonorrhoeae Infection
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
15 Years and older · Female only
Enrollment
305 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 18, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Not applicable Interventional Results available

Xenodiagnosis After Antibiotic Treatment for Lyme Disease

NCT02446626
View directory record Official record
Conditions
Lyme Disease
Interventions
Skin biopsy, Blood draw, Xenodiagnosis
Procedure · Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
5
States / cities
Storrs, Connecticut • Bethesda, Maryland • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Invaplex 50 Vaccine Dose-Ranging

NCT00082069
View directory record Official record
Conditions
Diarrhea
Interventions
Shigella flexneri 2a Invaplex 50
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 40 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 30, 2015 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational

Incidence of Antibiotic Resistant E.Coli in Patients Undergoing Repeat Prostate Biopsy

NCT00915213
View directory record Official record
Conditions
Bacterial Infection
Interventions
Not listed
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
3
States / cities
Irvine, California • Long Beach, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of an Investigational Quadrivalent Meningococcal Conjugate Vaccine Administered in Children Aged 2 to 9 Years

NCT03077438
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate, Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Years to 9 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
35
States / cities
Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Investigate the Intrapulmonary Lung Penetration of Nacubactam in Healthy Participants

NCT03182504
View directory record Official record
Conditions
Gram-negative Bacterial Infections
Interventions
nacubactam, meropenem
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 1 Interventional Results available

Study Evaluating Safety And Tolerability Of Meningococcal B Rlp2086 Vaccine In Healthy Adults

NCT00879814
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
rLP2086 vaccine or control
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers

NCT03673462
View directory record Official record
Conditions
Healthy Volunteers (Meningococcal Infection)
Interventions
Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid Conjugate vaccine (MenACYW Conjugate vaccine), Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine (MENVEO®), Diphtheria, Tetanus, Acellular Pertussis, Poliovirus and Haemophilus b Vaccine, Pneumococcal 13-valent Conjugate Vaccine, Rotavirus Vaccine, Hepatitis B Vaccine, Measles, Mumps, and Rubella Virus Vaccine, Varicella Virus Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,797 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
67
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational

Role of Toxins in Lung Infections Caused by Pseudomonas Aeruginosa

NCT00027183
View directory record Official record
Conditions
Pseudomonas Infection, Cystic Fibrosis
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
9 Years to 99 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 6, 2022 · Synced Oct 24, 2026, 10:21 AM 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 24, 2026, 10:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immunopathogenesis of Chlamydia

NCT00607659
View directory record Official record
Conditions
CHLAMYDIA INFECTIONS
Interventions
No intervention, only observational
Other
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
11 Years to 21 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2016
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 24, 2026, 10:21 AM EDT
Terminated No phase listed Observational

Investigation of Southern Tick-Associated Rash Illness (STARI)

NCT00358761
View directory record Official record
Conditions
Southern Tick-Associated Rash Illness
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
14 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 3 Interventional Results available

OPTIMIZing Treatment for Early Pseudomonas Aeruginosa Infection in Cystic Fibrosis

NCT02054156
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
azithromycin, placebo, Tobramycin solution for inhalation
Drug
Lead sponsor
Bonnie Ramsey
Other
Eligibility
6 Months to 18 Years
Enrollment
221 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
45
States / cities
Anchorage, Alaska • Tucson, Arizona • Little Rock, Arkansas + 40 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2019 · Synced Oct 24, 2026, 10:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability & Immunogenicity of the Recombinant Plague Vaccine rF1V

NCT00097396
View directory record Official record
Conditions
Pneumonic Plague, Preventive Therapy
Interventions
rF1V vaccine
Biological
Lead sponsor
DynPort Vaccine Company LLC, A GDIT Company
Industry
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 30, 2011 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of the Atlas Genetics io® CTNG System

NCT03071510
View directory record Official record
Conditions
Chlamydia Trachomatis, Gonorrhea
Interventions
Atlas Genetics io® system
Device
Lead sponsor
Binx Health Limited
Industry
Eligibility
14 Years and older
Enrollment
7,128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
10
States / cities
Birmingham, Alabama • Los Angeles, California • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 24, 2026, 10:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

36-Month Post-marketing Surveillance and Analysis of Menactra Vaccine in 2-10 Year Olds

NCT00728260
View directory record Official record
Conditions
Meningitis, Meningococcal Disease
Interventions
None administered in this study
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
1,421 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 24, 2026, 10:21 AM EDT