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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Preventable Disease, Vaccine Clear all
Completed No phase listed Observational Accepts healthy volunteers

Project IMPACT Immunizations (IMProving America's Communities Together) Scaled Demonstration

NCT03372967
View directory record Official record
Conditions
Influenza
Interventions
Vaccine administration by a pharmacist, Unmet vaccination needs identified and met, Vaccination forecast review and patient education
Biological · Behavioral
Lead sponsor
American Pharmacists Association Foundation
Other
Eligibility
18 Years and older
Enrollment
6,234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
22
States / cities
Atlantic, Iowa • Carlisle, Iowa • Coralville, Iowa + 18 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Jul 21, 2026, 6:11 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 Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Building Engagement Using Financial Incentives Trial - Colorectal Cancer Screening

NCT06124131
View directory record Official record
Conditions
Health Behavior, Colorectal Cancer, Influenza, COVID-19, Vaccine Hesitancy, Vaccine-Preventable Diseases, Healthcare Patient Acceptance
Interventions
Financial incentive for colorectal cancer screening, Financial incentive for flu shot, Financial incentive for COVID-19 shot
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
45 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Efficacy of the 2023-2024 Updated COVID-19 Vaccines Against COVID-19 Infection

NCT06065176
View directory record Official record
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection, Upper Respiratory Tract Infection, Upper Respiratory Disease
Interventions
Novavax COVID-19 vaccine (2023-2024 formula XBB containing), Pfizer COVID-19 mRNA vaccine (2023-2024 formula XBB containing)
Biological
Lead sponsor
Sarang K. Yoon, DO, MOH
Other
Eligibility
18 Years and older
Enrollment
1,188 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Results available

Effect of Varied Outreach Methods on Appointment Scheduling, Appointment Completion, and Receipt of COVID-19 Vaccination

NCT04904744
View directory record Official record
Conditions
Health Care Utilization, Vaccine Preventable Disease
Interventions
Low tailored message, No message, Low tailored message plus COVID-19 vaccine message
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 17 Years
Enrollment
1,235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 27, 2024 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Results available

Effect of Varied Outreach Methods on Appointment Scheduling, Appointment Completion, and Receipt of MMR Vaccination

NCT04567342
View directory record Official record
Conditions
Preventable Disease, Vaccine, Health Care Utilization
Interventions
1 automated message, 2 automated messages, No personal contact attempt, 1 personal contact attempt
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Months to 4 Years
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 11, 2024 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional

Testing the Use of Prompts to Increase Adolescent Immunization Rates

NCT01984125
View directory record Official record
Conditions
Vaccine Preventable Diseases, Meningococcal Disease, Human Papillomavirus, Pertussis, Influenza
Interventions
Point-of-Care Prompt
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 18 Years
Enrollment
7,040 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
22
States / cities
Little Rock, Arkansas • Wilmington, Delaware • Gainesville, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Impact of Reactogenicity of the 2024-2025 COVID-19 Vaccines on Health Care Workers and First Responders in the United States

NCT06633835
View directory record Official record
Conditions
COVID-19, Vaccine-Preventable Diseases, SARS CoV 2 Infection
Interventions
protein subunit: Novavax COVID-19 vaccine, Pfizer mRNA COVID-19 vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Safety and Tolerability of a Recombinant Herpes Zoster Vaccine

NCT05750017
View directory record Official record
Conditions
Herpes Zoster, Vaccine-Preventable Diseases
Interventions
Low Dose Recombinant Herpes Zoster Vaccine (LZ901), High Dose Recombinant Herpes Zoster Vaccine (LZ901), Placebo
Biological · Drug
Lead sponsor
Beijing Luzhu Biotechnology Co., Ltd.
Other
Eligibility
50 Years to 70 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Secaucus, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional

Enhancing Electronic Health Systems to Decrease the Burden of Colon Cancer, Lung Cancer, Obesity, Vaccine-Preventable Illness, and LivER Cancer

NCT04540081
View directory record Official record
Conditions
Colon Cancer, Lung Cancer, Tobacco Use Cessation, Obesity, Pneumonia, Bacterial, Shingles, Hepatitis C
Interventions
Epic Healthy Planet Population Health Module
Other
Lead sponsor
University of California, Davis
Other
Eligibility
50 Years to 80 Years
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 26, 2023 · Synced Jul 21, 2026, 6:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Project IMPACT Immunizations (IMProving America's Communities Together)

NCT02584036
View directory record Official record
Conditions
Influenza
Interventions
Vaccine administration by a pharmacist, Unmet vaccination needs identified and met, Vaccination forecast review and patient education
Biological · Behavioral
Lead sponsor
American Pharmacists Association Foundation
Other
Eligibility
18 Years and older
Enrollment
1,080 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
8
States / cities
Belfair, Washington • Cheney, Washington • Eatonville, Washington + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Jul 21, 2026, 6:11 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Hashtag HPV: HPV Vaccine Twitter Education Program

NCT05204030
View directory record Official record
Conditions
Human Papilloma Virus, Vaccine-Preventable Diseases
Interventions
HPV Twitter Education Program - Narrative, HPV Twitter Education Program - Non-Narrative
Other
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 29, 2023 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing COVID-19 Vaccine Hesitancy Among Hispanic Parents

NCT06036134
View directory record Official record
Conditions
Vaccine-Preventable Diseases, COVID-19 Pandemic, Health-Related Behavior, Health Knowledge, Attitudes, Practice, Narration
Interventions
Baseline surveys, Digital Storytelling Intervention, Information Control Intervention
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Game-Based Intervention to Promote HPV Vaccination

NCT06162676
View directory record Official record
Conditions
HPV Infection, Vaccine-Preventable Diseases
Interventions
HPV game
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
11 Years to 14 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed No phase listed Observational Results available

Vaccine Immune Recovery After Leukemia

NCT05622682
View directory record Official record
Conditions
Acute Lymphoblastic Leukemia, Pediatric
Interventions
Observational only: Serology and flow cytometry for ALL cohort participants, Observational only: Infection rates
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
3 Years to 31 Years
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
6
States / cities
Chicago, Illinois • Grand Rapids, Michigan • Philadelphia, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional

Improving Vaccine Counseling Skills Among Residents Using Educational Modules and Standardized Patient Encounters

NCT06074237
View directory record Official record
Conditions
Vaccine Refusal, Vaccine-Preventable Diseases, Physician-Patient Relations
Interventions
Immersive resident education, Standardized patient (SP) encounter
Other
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 21, 2026, 6:11 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Playing Game to Learn About Children's Vaccine Project

NCT05984849
View directory record Official record
Conditions
HPV, Vaccine-Preventable Diseases
Interventions
vaccination game
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
11 Years to 14 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chandler, Arizona
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Jul 21, 2026, 6:11 PM 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 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community-Engaged Bidirectional Pandemic Crisis and Emergency Risk Communication With COVID-19 Vaccine Messages to Minority Populations

NCT04765839
View directory record Official record
Conditions
Vaccine Preventable Disease
Interventions
Educational, culturally appropriate COVID-19 messages
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 101 Years
Enrollment
74 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Jul 21, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Culturally Tailored HPV Psychoeducational Multimedia Intervention

NCT06098690
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice, Vaccine-Preventable Diseases, Intention, Adherence, Patient
Interventions
Culturally Tailored Multimedia Psychoeducational HPV Intervention, General HPV Multimedia Psychoeducational Control Group
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 21, 2026, 6:11 PM EDT