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ClinicalTrials.gov public records Last synced Oct 17, 2026, 8:57 AM EDT

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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Vaccine Confidence Among Pregnant Women and Mothers

NCT04694664
Conditions
Pregnancy Related, Mothers
Interventions
This is an online survey with no intervention.
Other
Lead sponsor
Pregistry
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
18,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Peer Education as a Strategy to Promote Vaccine Acceptance

NCT05875779
Conditions
Vaccine Acceptance
Interventions
Peer-led vaccine education intervention
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
Not listed
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Not listed Not applicable Interventional Accepts healthy volunteers

Group Intervention on Vaccine Confidence

NCT05891626
Conditions
Vaccination Refusal
Interventions
Group intervention
Behavioral
Lead sponsor
MultiCare Health System Research Institute
Other
Eligibility
18 Years and older
Enrollment
429 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Puyallup, Washington
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Parents' HPV Stories

NCT06704308
Conditions
HPV Vaccination
Interventions
Web Application, Provider Elaborated Prompts
Behavioral
Lead sponsor
Anne E Ray
Other
Eligibility
18 Years and older · Female only
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Misinformation
Interventions
Pre-bunking video, Video on safe disposal of medication
Other
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
472 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Berkeley, California
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Tailored Vaccine Messaging for Parents/Caregivers of Adolescents

NCT07878442
Conditions
Vaccine Confidence, Adolescent Vaccination, Vaccine Uptake
Interventions
Tailored Vaccine Messaging, Standard Vaccine Message
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers Results available

CONFIDENT: Supporting Long-term Care Workers During COVID-19

NCT05168800
Conditions
COVID-19
Interventions
Dialogue-Based Webinar, Social Media Website, Enhanced Usual Practice
Behavioral · Other
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,634 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Lebanon, New Hampshire
Conditions
COVID-19 Vaccination
Interventions
CONFIDENCE
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
COVID-19
Interventions
Full Intervention, Enhanced Usual Care
Behavioral · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
988 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
2
States / cities
Atlanta, Georgia • Seattle, Washington
Conditions
Diabetes, COVID-19, Community Health Workers, Health Behavior, Health Knowledge, Attitudes, Practice
Interventions
Impact of Community Health Worker Home Deployment on COVID-19 Vaccine Confidence and Uptake
Behavioral
Lead sponsor
Morehouse School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Albany, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trusted Messengers: Intervention to Promote COVID-19 Vaccination

NCT04981392
Conditions
Covid19, Vaccination
Interventions
Primary care text message outreach to unvaccinated patients and resources to support PCPs
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
21,844 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Worcester, Massachusetts
Conditions
Ebola Virus Disease, Marburg Virus Disease
Interventions
cAd3-Marburg, cAd3-EBO-S
Biological
Lead sponsor
Albert B. Sabin Vaccine Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed No phase listed Observational Accepts healthy volunteers

Exploring Vaccine Confidence and Uptake of Potential COVID-19 Vaccines

NCT04731870
Conditions
Coronavirus
Interventions
Survey research
Other
Lead sponsor
East Carolina University
Other
Eligibility
18 Years to 100 Years
Enrollment
632 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Greenville, North Carolina
Conditions
Vaccination, Vaccination Hesitancy, Vaccination Promotion, Psychological Aspects
Interventions
General Psych Trait Measure, Vaccine-Specific Psych Trait Measures
Diagnostic Test · Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
1,786 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Vaccine Hesitancy, Vaccine Refusal
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
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