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Showing 1–24 of 692 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Immunization; Infection Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

VAX-MOM COVID-19: Increasing Maternal COVID-19 Vaccination

NCT05570630
View directory record Official record
Conditions
Immunization; Infection, Pregnancy Related, COVID-19
Interventions
VAX-MOM COVID-19 Intervention, Standard of Care
Behavioral · Other
Lead sponsor
University of Rochester
Other
Eligibility
Female only
Enrollment
6,911 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Comparison of Delivery Routes of Flu Vaccine in Adults

NCT00170547
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
1,597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
10
States / cities
Stanford, California • Torrance, California • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dosage-Escalation Study of the Safety and Immunogenicity of a Novel Rabies Vaccine ChAd155-RG vs. the Comparator RABAVERT Vaccine in Healthy Adult Subjects

NCT04019444
View directory record Official record
Conditions
Rabies, Rabies Immunisation
Interventions
ChAd155-RG, Placebo, Rabies Vaccine
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 2, 2024 · Synced Sep 5, 2026, 12:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Flu Vaccine in Preventing Influenza Infection in Healthy Volunteers and in Patients Who Have Undergone Stem Cell Transplant

NCT00964821
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Nonmalignant Neoplasm
Interventions
trivalent influenza vaccine, Immunoenzyme technique, Laboratory biomarker analysis
Biological · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 120 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
2
States / cities
Duarte, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Video-Assisted Counseling for HPV Vaccination

NCT03510091
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Counseling
Behavioral
Lead sponsor
Le Bonheur Children's Hospital
Other
Eligibility
9 Years to 99 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Results available

COVID-19 Vaccinations With a Sweepstakes

NCT04951310
View directory record Official record
Conditions
Covid19
Interventions
Philly Vax Sweepstakes
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3,827,656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 2, 2025 · Synced Sep 5, 2026, 12:15 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Working Towards Empowered Community-driven Approaches to Increase Vaccination and Preventive Care Engagement

NCT05841810
View directory record Official record
Conditions
COVID-19
Interventions
mHealth Outreach, Care Coordination
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
398 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
4
States / cities
El Cajon, California • Escondido, California • La Jolla, California + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2025 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 1 Interventional

PENNVAX-B With or Without IL-12 or IL-15 as a DNA Vaccine for HIV Infection

NCT00775424
View directory record Official record
Conditions
HIV Infection
Interventions
PENNVAX-B, GENEVAX IL-12-4532, PLACEBO, IL-15 adjuvant
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 5, 2026, 12:15 PM EDT
Completed No phase listed Observational

Human Papillomavirus (HPV) Vaccination Among Survivors of Childhood Cancer

NCT01117389
View directory record Official record
Conditions
Human Papillomavirus
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
9 Years to 26 Years · Female only
Enrollment
587 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 26, 2015 · Synced Sep 5, 2026, 12:15 PM EDT
Completed No phase listed Observational

COVID-19 Antibody Levels After Vaccines

NCT04944134
View directory record Official record
Conditions
Vaccine Preventable Disease
Interventions
COVID-19 Vaccination
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
71 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 31, 2022 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vanderbilt Pertussis Exposure Study: PEP in Vaccinated Healthcare Workers Following Pertussis Exposure

NCT00469274
View directory record Official record
Conditions
Pertussis
Interventions
Antibiotic PEP
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 64 Years
Enrollment
1,102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 2 Interventional

Influenza Vaccination in Patients Receiving Antineoplastic Therapy for Non-Hodgkin's Lymphoma

NCT00307710
View directory record Official record
Conditions
Lymphoma
Interventions
Trivalent Baculovirus-expressed Influenza HA vaccine
Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immunogenicity of One or Two Booster Vaccinations With H5N6 Influenza Vaccine in Adults Primed With H5N1 Influenza Vaccine or Unprimed

NCT05422326
View directory record Official record
Conditions
Influenza, Human, Influenza in Birds, Respiratory Tract Infections, Infections, Orthomyxoviridae Infections, RNA Virus Infections, Virus Diseases, Respiratory Tract Diseases
Interventions
aH5N6c on Day 1, aH5N6c on Day 22, Placebo on Day 22
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
18
States / cities
Huntsville, Alabama • Tempe, Arizona • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Pharmacist Intervention on the Use of Zostavax in a Community Pharmacy Setting

NCT00689013
View directory record Official record
Conditions
Herpes Zoster
Interventions
Personalized letter, Flyer advertisement, Newspaper press release
Other
Lead sponsor
University of Tennessee
Other
Eligibility
60 Years and older
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
3
States / cities
Johnson City, Tennessee • Manchester, Tennessee • Murfreesboro, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 22, 2009 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Pediatric COVID-19 Vaccine Uptake Using an mHealth Tool

NCT05386355
View directory record Official record
Conditions
COVID-19 Vaccines, Telemedicine, Vaccine Hesitancy, Pediatric ALL
Interventions
COVID-19 Vaccine Uptake App, General Health App
Behavioral · Other
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
18 Years and older
Enrollment
1,934 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
15
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Honolulu, Hawaii + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of the Shingles Vaccine and the Influenza Vaccine When Either is Given to Healthy Adults at the Same Time or Following a COVID-19 Booster Vaccine

NCT05047770
View directory record Official record
Conditions
Herpes Zoster
Interventions
HZ/su, Flu D-QIV, mRNA-1273
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
46
States / cities
Tempe, Arizona • Oxnard, California • San Diego, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 5, 2026, 12:15 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

VZV-specific Tissue Resident Memory T-cells After Shingrix Vaccination

NCT04403139
View directory record Official record
Conditions
Varicella Zoster Virus Infection
Interventions
Shingrix
Drug
Lead sponsor
University of Washington
Other
Eligibility
30 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Communication Strategy to PROMOTE HPV Vaccination in Pharmacies: PROMOTE Study

NCT04660331
View directory record Official record
Conditions
Human Papillomavirus Infection
Interventions
Communication Intervention, Communication Skills Training, Healthcare Activity, Survey Administration
Other · Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Sep 5, 2026, 12:15 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Human Immune Responses to Influenza Virus Vaccination in Healthy Volunteers

NCT02385123
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Virus Vaccine Inactivated
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Sep 5, 2026, 12:15 PM EDT
Completed No phase listed Observational

Maternal Immunization: Giving Immunity For Tomorrow

NCT01496079
View directory record Official record
Conditions
Pregnancy, Influenza
Interventions
Not listed
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Sep 5, 2026, 12:15 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

The NIH UNI Study: Urea Cycle Disorders, Nutrition and Immunity

NCT01421888
View directory record Official record
Conditions
Argininosuccinic Aciduria, Carbamoyl-Phosphate Synthase I Deficiency, Citrullinemia, Ornithine Carbamoyltransferase Deficiency, Hyperargininemia, N-Acetylglutamate Synthase Deficiency
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
2 Years to 99 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 8, 2019 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Incentives for Influenza Vaccination

NCT06300242
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Reminders, Financial Incentive, Placebo
Behavioral · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
69,972 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated May 12, 2024 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Phase 1 Interventional

A Phase I Study of Autologous, Activated CD8(+) Lymphocytes Expanded In Vitro and Infused With or Without Recombinant Interleukin-2 to Patients With AIDS or Severe ARC

NCT00000680
View directory record Official record
Conditions
HIV Infections
Interventions
Zidovudine, Aldesleukin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 5, 2026, 12:15 PM EDT
Completed Not applicable Interventional

Adult Influenza Vaccination Text Message Reminders

NCT01942824
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Text Messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2014 · Synced Sep 5, 2026, 12:15 PM EDT