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Showing 1–24 of 581 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Adacel® Vaccine Administered to Persons 10 Years of Age

NCT01311557
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis
Interventions
Adacel®: Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Adsorbed
Biological
Lead sponsor
Sanofi
Industry
Eligibility
10 Years to 11 Years
Enrollment
1,302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
34
States / cities
Chandler, Arizona • Jonesboro, Arkansas • Little Rock, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2016 · Synced Jul 24, 2026, 2:50 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 12, 2005 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of GlaxoSmithKline Biologicals S.A's Meningococcal Group B and Combined ABCWY Vaccines in Healthy Adolescents and Young Adults

NCT04502693
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
rMenB+OMV NZ vaccine, Meningococcal Groups A, C, W and Y Conjugate Vaccine (MenACWY), Placebo, MenABCWY-1, MenABCWY-2, MenABCWY-3
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
3,657 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
64
States / cities
Chandler, Arizona • Glendale, Arizona • Jonesboro, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Jul 24, 2026, 2:50 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

A Study to Evaluate Safety and Efficacy of TP-05 in Healthy Participants With Tick Exposure

NCT07562087
View directory record Official record
Conditions
Lyme Disease
Interventions
TP-05 (lotilaner) Low Dose, TP-05 (lotilaner) High Dose, Placebo
Drug
Lead sponsor
Tarsus Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
722 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
19
States / cities
Pikesville, Maryland • Brookline, Massachusetts • Fall River, Massachusetts + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 4 Interventional

Effectiveness of Integrating Prenatal Care in Reducing HIV/STDs Among Young Pregnant Women

NCT00628771
View directory record Official record
Conditions
Pregnancy, HIV Infections, Sexually Transmitted Diseases
Interventions
CenteringPregnancy Plus (CP+), Usual care
Behavioral
Lead sponsor
Yale University
Other
Eligibility
14 Years to 21 Years · Female only
Enrollment
1,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
3
States / cities
New Haven, Connecticut • Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants

NCT00474526
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of a Booster Dose of an Investigational Quadrivalent Meningococcal Conjugate Vaccine

NCT02752906
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine, Meningococcal (Groups A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
15 Years and older
Enrollment
810 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
29
States / cities
Birmingham, Alabama • Dothan, Alabama • Mesa, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Artificial Invaplex (Shigella Flexneri 2a InvaplexAR)

NCT02445963
View directory record Official record
Conditions
Shigellosis, Bacillary Dysentery
Interventions
Shigella flexneri 2a InvaplexAR
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immuno,Safety of GSK Vaccine 134612 Given at Age of 12-15 Months 15-18 Months Post-priming With GSK Vaccine 792014

NCT00614614
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
GSK Biologicals' Meningococcal vaccine GSK134612 (Nimenrix), GSK Biologicals' Hib-meningococcal vaccine GSK 792014 (Menhibrix), Infanrix®, ActHIB®, Pediarix®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
1,558 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
56
States / cities
Birmingham, Alabama • Dothan, Alabama • Benton, Arkansas + 50 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of GSK's MenABCWY Vaccine in Healthy Adolescents and Adults Previously Primed With MenACWY Vaccine

NCT04707391
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
MenABCWY vaccine, Placebo, MenACWY vaccine, MenB vaccine
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 25 Years
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
48
States / cities
Jonesboro, Arkansas • Banning, California • Chula Vista, California + 42 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 24, 2026, 2:50 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Project AWARE: Using the Emergency Department (ED) to Prevent Sexually Transmitted Infections (STIs) in Youth

NCT01195220
View directory record Official record
Conditions
Chlamydia, Gonorrhea, HIV
Interventions
HIV testing, STI/HIV-T, STI/HIV-Plus
Behavioral
Lead sponsor
North Bronx Healthcare Network
Other
Eligibility
14 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Jul 24, 2026, 2:50 AM EDT
Completed No phase listed Observational

Helicobacter Pylori and Dry Eye

NCT00083291
View directory record Official record
Conditions
Helicobacter Infections
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 24, 2026, 2:50 AM 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 14, 2017 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Trial of the Immunogenicity, Safety, and Tolerability of rF1V Vaccine With CpG 1018® Adjuvant Compared With rF1V Vaccine in Adults 18 to 55 Years of Age

NCT05506969
View directory record Official record
Conditions
Plague, Pneumonic, Plague, Vaccine-Preventable Diseases
Interventions
rF1V-1018, rF1V vaccine
Biological
Lead sponsor
Dynavax Technologies Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2025 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Not applicable Interventional Results available

Feasibility of Teleyoga for Treatment of Lyme Disease

NCT04867473
View directory record Official record
Conditions
Lyme Disease
Interventions
Teleyoga
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 7, 2024 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 1Phase 2 Interventional Results available

CYstic Fibrosis bacterioPHage Study at Yale (CYPHY)

NCT04684641
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Standard Dose YPT-01, Placebo
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Jul 24, 2026, 2:50 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Descriptive, Post-marketing, Passive Surveillance Safety Study of ADACEL™ Vaccine

NCT00258882
View directory record Official record
Conditions
Pertussis
Interventions
Tetanus Toxoid, acellular pertussis, diphtheria toxoid
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
327,293 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
3
States / cities
Oakland, California • Aurora, Colorado • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 16, 2018 · Synced Jul 24, 2026, 2:50 AM 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 17, 2022 · Synced Jul 24, 2026, 2:50 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Clinical Evaluation of the ID NOW™ CT/NG Test

NCT06395675
View directory record Official record
Conditions
Chlamydia Trachomatis Infection, Neisseria Gonorrheae Infection, Asymptomatic Condition
Interventions
ID NOW™
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
14 Years and older
Enrollment
7,100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Jul 24, 2026, 2:50 AM EDT
Completed No phase listed Observational Results available

Meningococcal Quadrivalent CRM-197 Conjugate Vaccine Pregnancy Registry

NCT02223637
View directory record Official record
Conditions
Meningococcal Disease, Pregnancy, Infections, Meningococcal
Interventions
Meningococcal quadrivalent CRM-197 conjugate vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
2
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Not applicable Interventional Results available

Clinical Validation of a Molecular Test for Ciprofloxacin-Susceptibility in Neisseria Gonorrhoeae

NCT02961751
View directory record Official record
Conditions
Gonococcal Infection
Interventions
Ciprofloxacin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • San Francisco, California + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

First Clinical Study of the Safety and Blood Levels of a Human Monoclonal Antibody (2217LS) Against Lyme Disease Bacteria in Healthy People

NCT04863287
View directory record Official record
Conditions
Lyme Disease
Interventions
2217LS, 0.9% Sodium Chloride (NaCl)
Biological · Other
Lead sponsor
MassBiologics
Other
Eligibility
19 Years to 65 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dose Comparison Study of Menactra® in US Children

NCT00700635
View directory record Official record
Conditions
Meningitis, Meningococcal Infection, Neisseria Meningitidis
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Years to 10 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
15
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Boca Raton, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Jul 24, 2026, 2:50 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase 2 Shigella Vaccine and Challenge

NCT04242264
View directory record Official record
Conditions
Immunisation, Shigella Infection
Interventions
Placebo, Shigella sonnei strain 53G, WRSs2
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
2
States / cities
Decatur, Georgia • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Jul 24, 2026, 2:50 AM EDT