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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:04 AM EDT

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Showing 25–48 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: TDAP Clear all
Completed Not applicable Interventional

Study of Adolescent Immunization Recall Systems

NCT01390363
View directory record Official record
Conditions
Immunization, Reminder Systems
Interventions
Parent Only Phone Call, Parent and Adolescent Phone Call
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years · Female only
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 22, 2026, 7:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

SC2i VIPER: EnVenomation Investigation Pilot to Evaluate Recovery

NCT03170297
View directory record Official record
Conditions
Critical Illness
Interventions
Research interventions of blood sampling and data collection
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study of Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed in Healthy Subjects

NCT02587520
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis, Whooping Cough
Interventions
Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed Formulation 1, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 2, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 3, Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Formulation 4, Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid, and Acellular Pertussis Vaccine Adsorbed, Licensed Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
10 Years and older
Enrollment
1,363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
20
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Oct 22, 2026, 7:04 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age

NCT06736041
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, RotaTeq, Vaxelis vaccine, Varivax, Hexaxim Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
1,714 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
66
States / cities
Glendale, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of DTap-IPV Compared to DAPTACEL® and IPOL® as the 5th Dose in Children 4 to 6 Years of Age

NCT01346293
View directory record Official record
Conditions
Tetanus, Diphtheria, Pertussis, Measles, Polio
Interventions
Diphtheria and Tetanus Toxoids and Acellular Pertussis + Measles, Mumps, Rubella + Varicella Virus, Diphtheria and Tetanus Toxoids and Acellular Pertussis + Poliovirus + MMR + Varicella Virus
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
4 Years to 6 Years
Enrollment
3,372 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
71
States / cities
Birmingham, Alabama • Pinson, Alabama • Trussville, Alabama + 60 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pertussis Vaccine in Healthy Pregnant Women

NCT00707148
View directory record Official record
Conditions
Diphtheria, Pertussis, Tetanus
Interventions
Placebo, Tetanus toxoid, reduced diphtheria toxoid and acellular pertussis vaccine adsorbed
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 45 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
4
States / cities
Durham, North Carolina • Houston, Texas • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 25, 2014 · Synced Oct 22, 2026, 7:04 AM EDT
Active, not recruiting Phase 3 Interventional

Long-term Safety, Tolerability and Effectiveness Study of Ofatumumab in Patients With Relapsing MS

NCT03650114
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Ofatumumab, Tetanus toxoid (TT) containing vaccine (Td, Tdap), 13-valent pneumococcal conjugate vaccine (13-PCV), 23-valent pneumococcal polysaccharide vaccine (23-PPV), Seasonal Quadrivalent influenza vaccine, Keyhole limpet hemocyanin (KLH) neo-antigen
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 100 Years
Enrollment
1,882 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2028
U.S. locations
86
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Combined Tdap Vaccine Used As A Booster Compared To Licensed Td Vaccine

NCT00109330
View directory record Official record
Conditions
Diphtheria, Tetanus, Acellular Pertussis
Interventions
Combined diphtheria, tetanus, acellular pertussis vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 18 Years
Enrollment
4,116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
44
States / cities
Mesa, Arizona • Tempe, Arizona • Jonesboro, Arkansas + 39 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2016 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 3 Interventional Results available

Safety Study to Evaluate Immune Response of Vaccines in Participants With Relapsing Forms of Multiple Sclerosis Who Receive Ozanimod Compared to Non-Pegylated Interferon (IFN)-β or No Disease Modifying Therapy

NCT05028634
View directory record Official record
Conditions
Multiple Sclerosis, Multiple Sclerosis, Relapsing-Remitting
Interventions
Tetanus, diphtheria, and acellular pertussis vaccine, Pneumococcal polysaccharide vaccine, Seasonal influenza vaccine
Biological
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
29
States / cities
Palo Alto, California • Colorado Springs, Colorado • Southington, Connecticut + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Immunization Delivery in Obstetrics and Gynecology Settings

NCT01565135
View directory record Official record
Conditions
Immunization Status Among Obstetrics and Gynecology Patients
Interventions
Multimodal Vaccine Program
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years and older · Female only
Enrollment
97,087 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Immune Function and Muscle Adaptations to Resistance Exercise in Older Adults

NCT02261961
View directory record Official record
Conditions
Sarcopenia, Aging, Immune Function
Interventions
TDAP, Acute Resistance Exercise, Resistance Exercise Training, Post-training Follow-up, Nutritional Supplement (Muscle Armor), Placebo (Kool-Aid)
Biological · Other · Dietary Supplement
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 80 Years
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
North Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2021 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a Vaccine Against Diphtheria, Pertussis and Tetanus (Tdap) Viruses Followed by a 2nd Dose of the RSV Vaccine to Healthy Non-Pregnant Women

NCT04138056
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 formulation 3, RSVPreF3 formulation 2, Boostrix-ex-US, Boostrix-US, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
4
States / cities
Miami, Florida • Lenexa, Kansas • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of DAPTACEL® as 5th Dose in Children 4 to 6 Years Old After 4 Doses of Pentacel™ or DAPTACEL®

NCT00258895
View directory record Official record
Conditions
Diphtheria, Tetanus, Pertussis
Interventions
DAPTACEL®: DTaP
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
4 Years to 6 Years
Enrollment
649 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
22
States / cities
Fayetteville, Arkansas • Jonesboro, Arkansas • Little Rock, Arkansas + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment, Feedback, Incentive, Exchange (AFIX OB) A Customizable Quality Improvement Intervention to Increase Maternal Vaccine Uptake

NCT04678271
View directory record Official record
Conditions
Influenza, Whooping Cough
Interventions
AFIX-OB Quality Improvement Package
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 22, 2026, 7:04 AM EDT
Not listed No phase listed Observational

National Vaccine Adverse Event Reporting Survey and Etiology

NCT05095844
View directory record Official record
Conditions
COVID-19, Vaccine Adverse Reaction, Vaccine Reaction, Vaccine or Biological Substance, Unspecified Causing Adverse Effects in Therapeutic Use, Corona Virus Infection, Blood Clot, Thrombocytopenia, Neuritis, Vasculitis, Influenza, Guillain-Barré, GWAS, Genetic Sequencing
Interventions
vaccinated
Biological
Lead sponsor
Neuroganics LLC
Industry
Eligibility
5 Years to 99 Years
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Northglenn, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional

DTaP and Apnea/Bradycardia in Preterm Infants

NCT00482781
View directory record Official record
Conditions
Prolonged Apnea, Prolonged Bradycardia
Interventions
Infanrix, Pediatrix
Biological
Lead sponsor
American SIDS Institute
Other
Eligibility
56 Days to 60 Days
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
10
States / cities
Austell, Georgia • Marietta, Georgia • Belle Mead, New Jersey + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2007 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

4 Pillars Toolkit for Adolescent Vaccination

NCT02165722
View directory record Official record
Conditions
Adolescent HPV Vaccine, Adolescent Influenza Vaccine
Interventions
4 Pillars Toolkit
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
11 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Vouchers to Promote Tdap Vaccination

NCT01860378
View directory record Official record
Conditions
Whooping Cough
Interventions
Full price, $5 off
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 22, 2026, 7:04 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Longitudinal Tracking of Bone Marrow Plasma Cell Responses to Licensed Human Vaccines

NCT07493460
View directory record Official record
Conditions
Immunology, Healthy Adults
Interventions
trivalent inactivated influenza vaccine (TIV), nonavalent HPV vaccine (HPV), hepatitis A (HAV) vaccines, tetanus, diphtheria and acellular pertussis vaccine (Tdap)
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Database Surveillance Safety Study of PENTACEL® Vaccine

NCT00804284
View directory record Official record
Conditions
Diphtheria, Tetanus, Pertussis, Haemophilus Influenzae
Interventions
DTaP-IPV/Hib, Other DTap Vaccines
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Weeks to 24 Months · Male only
Enrollment
62,538 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2015 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Men's Engagement in Preventive Healthcare Through an Enhanced Cocoon Vaccination Strategy

NCT06437834
View directory record Official record
Conditions
Vaccines, Preventive Medicine
Interventions
Information Sheet, High-touch connect
Other
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years and older
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Follow-up Study to Describe the Safety of Study Participants Who Received RSVPreF3 Maternal Vaccination (Any Dose) or Controls From Previous RSV MAT Studies During Any Pregnancy Conceived Post Vaccination/Control

NCT05705440
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 vaccine, Control
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
9 Years to 49 Years · Female only
Enrollment
3,855 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Tucson, Arizona + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 2 Interventional

Ibrutinib as an Immune Modulating Agent for Patients With Asymptomatic, High-risk CLL/SLL Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT02518555
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed, Ibrutinib, Laboratory Biomarker Analysis, Pharmacological Study, Pneumococcal 13-valent Conjugate Vaccine, Quality-of-Life Assessment, Trivalent Influenza Vaccine
Biological · Drug · Other
Lead sponsor
Jennifer Woyach
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 22, 2026, 7:04 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A STUDY OF A RSV VACCINE WHEN GIVEN TOGETHER WITH TDAP IN HEALTHY NONPREGNANT WOMEN AGED BETWEEN 18 TO 49 YEARS

NCT04071158
View directory record Official record
Conditions
Respiratory Tract Infection
Interventions
RSV Vaccine, Tdap, Placebo
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
713 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
16
States / cities
Stockbridge, Georgia • Honolulu, Hawaii • Wichita, Kansas + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 22, 2026, 7:04 AM EDT